Loading [MathJax]/jax/output/HTML-CSS/jax.js
^x+1 +1 describe transformation","","Solution:\u003Cbr />\n1. Given function:\u003Cbr />\n * \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>y = -24^{x+1} + 1\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n2. Base function:\u003Cbr />\n * \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>y = 4^x\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n3. Identify transformations step-by-step:\u003Cbr />\n - **Translation horizontally**: The function has \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x+1\u003C/math-field>\u003C/math-field> as the exponent instead of \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x\u003C/math-field>\u003C/math-field>. This indicates a horizontal shift to the left by 1 unit.\u003Cbr />\n - **Vertical stretch and reflection**: The coefficient before \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>4\u003C/math-field>\u003C/math-field> is \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>-2\u003C/math-field>\u003C/math-field>.\u003Cbr />\n - **Vertical stretch**: The factor \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>2\u003C/math-field>\u003C/math-field> indicates that the function is stretched vertically by a factor of \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>2\u003C/math-field>\u003C/math-field>.\u003Cbr />\n - **Reflection**: The negative sign indicates a reflection across the x-axis.\u003Cbr />\n - **Vertical translation**: The \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>+1\u003C/math-field>\u003C/math-field> outside the function indicates a vertical shift upwards by 1 unit.\u003Cbr />\n\u003Cbr />\n4. Describe the complete transformation:\u003Cbr />\n - The function \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>y = 4^x\u003C/math-field>\u003C/math-field> undergoes the following transformations: a horizontal shift to the left by 1 unit, a vertical stretch by a factor of 2, reflection across the x-axis, and finally a vertical shift upwards by 1 unit.",null,1255,251,"y-2-4-x-1-1-describe-transformation",{"id":16,"category":7,"text_question":17,"photo_question":9,"text_answer":18,"step_text_answer":11,"step_photo_answer":11,"views":19,"likes":20,"slug":21},538086,"Add the polynomials gx=x3-2x2+3x-1+4x2-x+2","Solution: \u003Cbr />\n1. Write down the given polynomials:\u003Cbr />\n- First polynomial: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>gx = x^3 - 2x^2 + 3x - 1\u003C/math-field>\u003C/math-field>\u003Cbr />\n- Second polynomial: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>4x^2 - x + 2\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n2. Align and add the polynomials term by term:\u003Cbr />\n- \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>gx = x^3 - 2x^2 + 3x - 1\u003C/math-field>\u003C/math-field>\u003Cbr />\n- \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>4x^2 - x + 2\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n3. Add the corresponding like terms:\u003Cbr />\n- For \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x^3\u003C/math-field>\u003C/math-field> terms: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x^3\u003C/math-field>\u003C/math-field>\u003Cbr />\n- For \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x^2\u003C/math-field>\u003C/math-field> terms: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>-2x^2 + 4x^2 = 2x^2\u003C/math-field>\u003C/math-field>\u003Cbr />\n- For \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x\u003C/math-field>\u003C/math-field> terms: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>3x - x = 2x\u003C/math-field>\u003C/math-field>\u003Cbr />\n- For constant terms: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>-1 + 2 = 1\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n4. The resulting polynomial after addition is:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x^3 + 2x^2 + 2x + 1\u003C/math-field>\u003C/math-field>",739,148,"add-the-polynomials-g-x-x3-2x2-3x-1-4x2-x-2",{"id":23,"category":7,"text_question":24,"photo_question":9,"text_answer":25,"step_text_answer":11,"step_photo_answer":11,"views":26,"likes":27,"slug":28},538085,"R=3m. Calculate the volume of the sphere. Round to the nearest tenth if necessary","1. The formula for the volume of a sphere is \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V = \\frac{4}{3} \\pi R^3 \u003C/math-field>\u003C/math-field> .\u003Cbr>\u003Cbr>2. Substitute the given radius \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> R = 3 \\, \\text{m} \u003C/math-field>\u003C/math-field> into the formula:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V = \\frac{4}{3} \\pi 3^3 \u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>3. Calculate \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> 3^3 = 27 \u003C/math-field>\u003C/math-field> .\u003Cbr>\u003Cbr>4. Thus, the volume becomes:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V = \\frac{4}{3} \\pi \\times 27 \u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>5. Simplify the expression:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V = \\frac{4 \\times 27}{3} \\pi = 36 \\pi \u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>6. Use the approximation \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\pi \\approx 3.1416 \u003C/math-field>\u003C/math-field> :\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V \\approx 36 \\times 3.1416 \u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>7. Calculate the approximate volume:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>V\\approx113.0973\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>8. Round to the nearest tenth:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V \\approx 113.1 \\, \\text{m}^3 \u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>Therefore, the volume of the sphere is approximately \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> 113.1 \\, \\text{m}^3 \u003C/math-field>\u003C/math-field> .",1203,241,"r-3m-calculate-the-volume-of-the-sphere-round-to-the-nearest-tenth-if-necessary",{"id":30,"category":7,"text_question":31,"photo_question":9,"text_answer":32,"step_text_answer":11,"step_photo_answer":11,"views":33,"likes":34,"slug":35},538084,"Width of 12 in. Calculate the volume of the sphere. Round to the nearest tenth if necessary","1. Identify the radius of the sphere. Given the width is 12 inches, the diameter is 12 inches. Therefore, the radius is half of the diameter:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> r = \\frac{12}{2} = 6 \\, \\text{in} \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n2. Use the formula for the volume of a sphere:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V = \\frac{4}{3} \\pi r^3 \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n3. Substitute the radius into the formula:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V = \\frac{4}{3} \\pi 6^3 \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n4. Calculate:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V = \\frac{4}{3} \\pi \\times 216 = \\frac{864}{3} \\pi = 288 \\pi \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n5. Approximate using \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\pi \\approx 3.1416 \u003C/math-field>\u003C/math-field>:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> V \\approx 288 \\times 3.1416 = 904.8 \\, \\text{in}^3 \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n6. The volume of the sphere, rounded to the nearest tenth, is approximately:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> 904.8 \\, \\text{in}^3 \u003C/math-field>\u003C/math-field>",278,56,"width-of-12-in-calculate-the-volume-of-the-sphere-round-to-the-nearest-tenth-if-necessary",{"id":37,"category":7,"text_question":38,"photo_question":9,"text_answer":39,"step_text_answer":11,"step_photo_answer":11,"views":40,"likes":41,"slug":42},538083,"Calculate the volume tothenearesttenthofacubiccentimeter of a golf ball whose diameter is 4.267cm","1. The formula for the volume of a sphere is given by \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>V = \\frac{4}{3} \\pi r^3\u003C/math-field>\u003C/math-field> .\u003Cbr>\u003Cbr>2. The diameter of the golf ball is given as 4.267 cm, so the radius is half of that: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>r = \\frac{4.267}{2} = 2.1335 \\, \\text{cm}\u003C/math-field>\u003C/math-field> .\u003Cbr>\u003Cbr>3. Substitute the radius into the volume formula: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>V = \\frac{4}{3} \\pi 2.1335^3\u003C/math-field>\u003C/math-field> .\u003Cbr>\u003Cbr>4. Calculate the cube of the radius: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>2.1335^3 = 9.707432537375\u003C/math-field>\u003C/math-field> .\u003Cbr>\u003Cbr>5. Substitute this back into the formula: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>V=\\frac{4}{3}\\pi\\times9.707432537375\\approx40.7\\,\\text{cm}^3\u003C/math-field>\u003C/math-field> .\u003Cbr>\u003Cbr>6. The volume of the golf ball is approximately \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>40.7\\,\\text{cm}^3\u003C/math-field>\u003C/math-field> .",1440,288,"calculate-the-volume-to-the-nearest-tenth-of-a-cubic-centimeter-of-a-golf-ball-whose-diameter-is-4-267cm",{"id":44,"category":7,"text_question":45,"photo_question":9,"text_answer":46,"step_text_answer":11,"step_photo_answer":11,"views":47,"likes":48,"slug":49},538082,"Find the length of each base edge tothenearesttenthofameter of the 24m tall glass square pyramids of the Muttart Conservatory in Alberta, Canada, if each contains 5280m^3 of space","1. Volume V of a square pyramid is given by the formula:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>V = \\frac{1}{3} B h\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>where B is the area of the base and h is the height of the pyramid.\u003Cbr>\u003Cbr>2. Given that the height h = 24 m and the volume V = 5280 m^3.\u003Cbr>\u003Cbr>3. The base is square, so if the side length of the base is s, then:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>B = s^2\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>4. Substituting into the volume formula:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>5280 = \\frac{1}{3} s^2 \\times 24\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>5. Simplify and solve for s^2:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>5280 = 8 s^2\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>s^2 = \\frac{5280}{8} = 660\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>6. Solve for s:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>s = \\sqrt{660} \\approx 25.7\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>7. To find the length of each base edge to the nearest tenth of a meter, compute:\u003Cbr>\u003Cbr>\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>s \\approx 25.7 \\, \\text{m}\u003C/math-field>\u003C/math-field>",418,84,"find-the-length-of-each-base-edge-to-the-nearest-tenth-of-a-meter-of-the-24m-tall-glass-square-pyramids-of-the-muttart-conservatory-in-alberta-canada-if-each-contains-5280m-3-of-space",{"id":51,"category":7,"text_question":52,"photo_question":9,"text_answer":53,"step_text_answer":11,"step_photo_answer":11,"views":54,"likes":55,"slug":56},538081,"An observer is 150 meters away\n distance of a hot air balloon online\n straight line at ground level. From your position,\n measures an elevation angle of 40Β° up to\n the base of the balloon. At what height is\n find the hot air balloon?","Solution:\u003Cbr />\n1. Dado:\u003Cbr />\n- Distancia horizontal desde el observador hasta la base del globo: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>d = 150 \\ m\u003C/math-field>\u003C/math-field>\u003Cbr />\n- Γngulo de elevaciΓ³n: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\theta = 40^{\\circ}\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n2. Usamos la funciΓ³n tangente para encontrar la altura \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>h\u003C/math-field>\u003C/math-field> del globo aerostΓ‘tico. La tangente de un Γ‘ngulo en un triΓ‘ngulo rectΓ‘ngulo es la razΓ³n entre la altura y la distancia horizontal:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\tantheta = \\frac{h}{d}\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n3. Sustituimos los valores conocidos en la ecuaciΓ³n:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\tan40circ = \\frac{h}{150}\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n4. Resolvemos para \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>h\u003C/math-field>\u003C/math-field>:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>h = 150 \\times \\tan40circ\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n5. Calculamos el valor numΓ©rico:\u003Cbr />\n* Usando una calculadora, \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\tan40circ \\approx 0.8391\u003C/math-field>\u003C/math-field>\u003Cbr />\n* Entonces: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>h \\approx 150 \\times 0.8391 = 125.865 \\ m\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\nLa altura del globo aerostΓ‘tico es aproximadamente \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>125.865 \\ m\u003C/math-field>\u003C/math-field>.",667,133,"an-observer-is-150-meters-away-distance-of-a-hot-air-balloon-online-straight-line-at-ground-level-from-your-position-measures-an-elevation-angle-of-40-up-to-the-base-of-the-balloon-at-what-hei",{"id":58,"category":7,"text_question":59,"photo_question":9,"text_answer":60,"step_text_answer":11,"step_photo_answer":11,"views":61,"likes":62,"slug":63},538080,"A plane ticket has gone up 18%, now costing 4,720.Howmuchdiditcostbeforetheincrease?","\u003Cmathβfieldreadβonlydefaultβmode=\"inlineβmath\"class=\"mathβexpression\">\u003Cmathβfieldreadβonly>textSolution:\u003C/mathβfield>\u003C/mathβfield>\u003Cbr/>\n1.Definevariables:\u003Cbr/>\nβLet\u003Cmathβfieldreadβonlydefaultβmode=\"inlineβmath\"class=\"mathβexpression\">\u003Cmathβfieldreadβonly>P\u003C/mathβfield>\u003C/mathβfield>betheoriginalpriceoftheplaneticket.\u003Cbr/>\nβ\u003Cmathβfieldreadβonlydefaultβmode=\"inlineβmath\"class=\"mathβexpression\">\u003Cmathβfieldreadβonly>P\u003C/mathβfield>\u003C/mathβfield>increasedby18\\frac{x}{15}=\\frac{4}{3}\u003C/mathβfield>\n\u003Cbr>\n\u003C/div>\n\n\u003Cdiv>\n\n\u003Cmathβfieldstyle=\"fontβsize:16px;padding:8px;borderβradius:8px;border:1pxsolidrgba(0,0,0,.3);boxβshadow:000rgba(0,0,0,.2)\n\"readβonly>x=20\u003C/math-field>\n \u003Cbr>\n \u003C/div>",467,93,"15-75-of",{"id":121,"category":7,"text_question":122,"photo_question":9,"text_answer":123,"step_text_answer":11,"step_photo_answer":11,"views":124,"likes":62,"slug":125},538067,"Naria Wants to build a perimeter wall fence around 400 sqm lot. The frontage of the lot is 20 meters. The wall height is 1.2 meters below the ground and 3.8 meters above the ground .\nThe cost of constructing the wall is 750 per square meter. Additionally,she plans to install a 5-meter-wide gate that costs β±50,000.\nHow much Maria spend in total for the wall and the gate\na. Php 281,250.00\nb. Php 106,250.00\nc. Php 331,250.00\nd. Php 218,250.00","1. Determine the dimensions of the lot. Given the frontage is 20 meters, calculate the other side using the area:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Area} = 20 \\times x = 400 \u003C/math-field>\u003C/math-field>\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> x = \\frac{400}{20} = 20 \\, \\text{meters} \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n2. Calculate the perimeter of the lot:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Perimeter} = 2 \\times (20 + 20) = 80 \\, \\text{meters} \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n3. Calculate the total height of the wall:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Total height} = 1.2 + 3.8 = 5 \\, \\text{meters} \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n4. Calculate the wall area excluding the gate:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Wall area} = (\\text{Perimeter} - \\text{Gate width}) \\times \\text{Total height} \u003C/math-field>\u003C/math-field>\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Wall area} = (80 - 5) \\times 5 = 75 \\times 5 = 375 \\, \\text{sqm} \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n5. Calculate the cost of the wall:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Wall cost} = 375 \\times 750 = 281,250 \\, \\text{PHP} \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n6. Calculate total cost including the gate:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Total cost} = \\text{Wall cost} + \\text{Gate cost} \u003C/math-field>\u003C/math-field>\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Total cost} = 281,250 + 50,000 = 331,250 \\, \\text{PHP} \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n7. Therefore, the total cost is: \u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Php} \\, 331,250.00 \u003C/math-field>\u003C/math-field>",727,"naria-wants-to-build-a-perimeter-wall-fence-around-400-sqm-lot-the-frontage-of-the-lot-is-20-meters-the-wall-height-is-1-2-meters-below-the-ground-and-3-8-meters-above-the-ground-the-cost-of-const",{"id":127,"category":7,"text_question":128,"photo_question":9,"text_answer":129,"step_text_answer":11,"step_photo_answer":11,"views":130,"likes":48,"slug":131},538066,"2. A rectangular lot has a\n30 meters.\nallocated along the frontage. What is the gross area\nfrontage of 18 meters and a depth of\nHowever, a public right of way of 3 meters is\nReve\nof\nthe\nlot?\na. 520 sqm\nb. 540 sqm\nC. 560 sqm\nd. 580 sqm\nReV","1. Calculate the area of the rectangular lot without the right of way:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> \\text{Area}_{\\text{total}} = \\text{frontage} \\times \\text{depth} = 18 \\, \\text{m} \\times 30 \\, \\text{m} = 540 \\, \\text{sqm} \u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n2. No need to subtract any area because the problem states that the right of way has already been accounted for in the dimensions provided.\u003Cbr />\n\u003Cbr />\n3. Therefore, the gross area of the lot remains:\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> 540 \\, \\text{sqm} \u003C/math-field>\u003C/math-field> \u003Cbr />\n \u003Cbr />\nThus, the answer is \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>540 \\, \\text{sqm}\u003C/math-field>\u003C/math-field>.",420,"2-a-rectangular-lot-has-a-30-meters-allocated-along-the-frontage-what-is-the-gross-area-frontage-of-18-meters-and-a-depth-of-however-a-public-right-of-way-of-3-meters-is-reve-of-the-lot-a-520-sq",{"id":133,"category":7,"text_question":134,"photo_question":9,"text_answer":135,"step_text_answer":11,"step_photo_answer":11,"views":136,"likes":137,"slug":138},538065,"A triangular lot has a base of 15 meters and heights of 10 meters . What is the total area of the lot ?","1. The formula for the area of a triangle is given by:\u003Cbr />\n\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> A = \\frac{1}{2} \\times \\text{base} \\times \\text{height} \u003C/math-field>\u003C/math-field> \u003Cbr />\n\u003Cbr />\n2. Substitute the given values into the formula:\u003Cbr />\n\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> A = \\frac{1}{2} \\times 15 \\times 10 \u003C/math-field>\u003C/math-field> \u003Cbr />\n\u003Cbr />\n3. Calculate the area:\u003Cbr />\n\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> A = \\frac{1}{2} \\times 150 \u003C/math-field>\u003C/math-field> \u003Cbr />\n\u003Cbr />\n4. Simplify the expression:\u003Cbr />\n\u003Cbr />\n \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only> A = 75 \u003C/math-field>\u003C/math-field> \u003Cbr />\n\u003Cbr />\nTherefore, the total area of the lot is \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>75 \\, \\text{square meters}\u003C/math-field>\u003C/math-field>.",425,85,"a-triangular-lot-has-a-base-of-15-meters-and-heights-of-10-meters-what-is-the-total-area-of-the-lot",{"id":140,"category":7,"text_question":141,"photo_question":9,"text_answer":142,"step_text_answer":11,"step_photo_answer":11,"views":143,"likes":144,"slug":145},538064,"4x+(x-3)=2x-(3x-4)+5","Solution:\u003Cbr />\n1. Simplify both sides of the equation.\u003Cbr />\n- Left side: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>4x + (x - 3) = 4x + x - 3 = 5x - 3\u003C/math-field>\u003C/math-field>\u003Cbr />\n- Right side: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>2x - (3x - 4) + 5 = 2x - 3x + 4 + 5 = -x + 9\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n2. The equation is now: \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>5x - 3 = -x + 9\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n3. Add \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x\u003C/math-field>\u003C/math-field> to both sides to eliminate the \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>-x\u003C/math-field>\u003C/math-field> from the right side and simplify:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>5x + x - 3 = 9\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n4. Simplify: \u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>6x - 3 = 9\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n5. Add 3 to both sides to isolate terms with \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x\u003C/math-field>\u003C/math-field>:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>6x = 9 + 3\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n6. Simplify:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>6x = 12\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n7. Divide both sides by 6 to solve for \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x\u003C/math-field>\u003C/math-field>:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x = \\frac{12}{6}\u003C/math-field>\u003C/math-field>\u003Cbr />\n\u003Cbr />\n8. Simplify the fraction:\u003Cbr />\n\u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>x = 2\u003C/math-field>\u003C/math-field>",1332,266,"4x-x-3-2x-3x-4-5",{"first":147,"last":148,"prev":11,"next":149},1,187,2,{"current_page":147,"from":147,"last_page":148,"links":151,"path":189,"per_page":190,"to":190,"total":191},[152,155,158,161,164,167,170,173,176,179,182,185,187],{"url":147,"label":153,"active":154},"1",true,{"url":149,"label":156,"active":157},"2",false,{"url":159,"label":160,"active":157},3,"3",{"url":162,"label":163,"active":157},4,"4",{"url":165,"label":166,"active":157},5,"5",{"url":168,"label":169,"active":157},6,"6",{"url":171,"label":172,"active":157},7,"7",{"url":174,"label":175,"active":157},8,"8",{"url":177,"label":178,"active":157},9,"9",{"url":180,"label":181,"active":157},10,"10",{"url":183,"label":184,"active":157},186,"186",{"url":148,"label":186,"active":157},"187",{"url":149,"label":188,"active":157},"Next »","https://api.math-master.org/api/question",20,3737,{"data":193},{"id":194,"category":7,"slug":195,"text_question":196,"photo_question":11,"text_answer":197,"step_text_answer":11,"step_photo_answer":11,"views":198,"likes":199,"expert":200},536213,"determine-the-derivatives-of-the-function-f-x-y-2xy-5x3y2-5x-7y-and-obtain-the-values-at-point-2-3","Determine the derivatives of the function π(π₯,π¦)=2π₯π¦β5π₯3π¦2+5π₯+7π¦ and obtain the values at point (2,3)","Para determinar as derivadas parciais da função π(π₯,π¦)=2π₯π¦β5π₯^3π¦^2+5π₯+7π¦ em relação a π₯ e π¦, podemos calcular as derivadas parciais de cada termo em relação a cada variΓ‘vel e entΓ£o somΓ‘-las.\u003Cbr>\u003Cbr>1. Derivada parcial em relação a π₯:\u003Cbr> \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\frac{{\\partial f}}{{\\partial x}} = \\frac{{\\partial (2xy)}}{{\\partial x}} - \\frac{{\\partial (5x^3y^2)}}{{\\partial x}} + \\frac{{\\partial (5x)}}{{\\partial x}} + \\frac{{\\partial (7y)}}{{\\partial x}}\u003C/math-field>\u003C/math-field> \u003Cbr> \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\frac{{\\partial f}}{{\\partial x}} = 2y - 15x^2y^2 + 5\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>2. Derivada parcial em relação a π¦:\u003Cbr> \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\frac{{\\partial f}}{{\\partial y}} = \\frac{{\\partial (2xy)}}{{\\partial y}} - \\frac{{\\partial (5x^3y^2)}}{{\\partial y}} + \\frac{{\\partial (5x)}}{{\\partial y}} + \\frac{{\\partial (7y)}}{{\\partial y}}\u003C/math-field>\u003C/math-field> \u003Cbr> \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\frac{{\\partial f}}{{\\partial y}} = 2x - 10x^3y + 7\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>Agora, para encontrar os valores no ponto (2,3), substituΓmos π₯=2 e π¦=3:\u003Cbr>\u003Cbr> \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\frac{{\\partial f}}{{\\partial x}}\\Big|_{(2,3)}=2(3)-15(2)^2(3)^2+5=-529\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr> \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\frac{{\\partial f}}{{\\partial y}}\\Big|_{(2,3)}=2(2)-10(2)^3(3)+7=-229\u003C/math-field>\u003C/math-field> \u003Cbr>\u003Cbr>Portanto, as derivadas parciais da função π(π₯,π¦) em relação a π₯ e π¦ no ponto (2,3) sΓ£o -169 e -469, respectivamente.\u003Cbr>\u003Cbr> \u003Cmath-field read-only default-mode=\"inline-math\" class=\"math-expression\">\u003Cmath-field read-only>\\textbf{Resposta:}\\frac{{\\partial f}}{{\\partial x}}\\Big|_{(2,3)}=-529\\quad\\text{e}\\quad\\frac{{\\partial f}}{{\\partial y}}\\Big|_{(2,3)}=-229\u003C/math-field>\u003C/math-field>",1373,275,{"id":201,"name":202,"photo":203,"biography":204,"created_at":11,"updated_at":11,"rating":205,"total_answer":206},38,"Andrea","https://api.math-master.org/img/experts/38/38.webp","I became interested in mathematics in school. Took part in Olympiads and scientific competitions. In 2010, entered at Taras Shevchenko National University of Kyiv, Faculty of Mechanics and Mathematics. In 2021, conferred the Philosophy Doctor Degree Field of Study Mathematics and statistics Progranime Subject Area Mathematics. I am the author of 5 scientific articles. I have also been working as a mathematics reactor for more than 10 years.",4.5,81,{"data":208},[209,211,213,215,217,219],{"id":147,"title":210,"slug":11},"Algebra",{"id":149,"title":212,"slug":11},"Geometry",{"id":159,"title":214,"slug":11},"Coordinate-geometry",{"id":162,"title":216,"slug":11},"Statistics",{"id":165,"title":218,"slug":11},"Calculus",{"id":168,"title":220,"slug":11},"General",{"data":222},[223,224,225,226,227,228],{"id":147,"title":210,"slug":11},{"id":149,"title":212,"slug":11},{"id":159,"title":214,"slug":11},{"id":162,"title":216,"slug":11},{"id":165,"title":218,"slug":11},{"id":168,"title":220,"slug":11},{"data":230},[231,235,239],{"id":232,"question":233,"answer":234},126902,"Question: Find the maximum value of the quadratic function f(x) = x^2.","Answer: The quadratic function f(x) = x^2 represents a parabola that opens upwards. As there is no coefficient attached to x^2, it implies that the parabola is symmetric with respect to the y-axis. Therefore, the vertex of the parabola will lie on the y-axis, and since the coefficient of x^2 is positive, the parabola opens upward. Consequently, the maximum value of the function f(x) = x^2 occurs at the vertex. Since the vertex is at (0, 0), the maximum value of the function is 0.",{"id":236,"question":237,"answer":238},112767,"What is the result of adding vector A [3, -2] and vector B [-1, 4]?","The sum of vector A and vector B is [2, 2].",{"id":240,"question":241,"answer":242},119726,"What is the volume of a right circular cylinder with a radius of 4 units and height of 6 units?","The volume of the cylinder is 96Ο cubic units.",{"data":244},{"questions":245},[246,250,254,258,262,266,270,274,278,282,286,290,294,298,302,306,310,314,318,322],{"id":247,"category":7,"text_question":248,"slug":249},532015,"a runner wants to build endurance by running 9 mph for 20 min. How far will the runner travel in that time period?","a-runner-wants-to-build-endurance-by-running-9-mph-for-20-min-how-far-will-the-runner-travel-in-that-time-period",{"id":251,"category":7,"text_question":252,"slug":253},532036,"A circle with a 12-inch diameter is folded in half and then folded in half again. What is the area of the resulting shape?","a-circle-with-a-12-inch-diameter-is-folded-in-half-and-then-folded-in-half-again-what-is-the-area-of-the-resulting-shape",{"id":255,"category":7,"text_question":256,"slug":257},532082,"Calculate the 6th term of PA whose 1st term is 6.5 and the ratio 5","calculate-the-6th-term-of-pa-whose-1st-term-is-6-5-and-the-ratio-5",{"id":259,"category":7,"text_question":260,"slug":261},533959,"What will be the density of a fluid whose volume is 130 cubic meters\n contains 16 technical units of mass? If required Consider g=10 m/s2","what-will-be-the-density-of-a-fluid-whose-volume-is-130-cubic-meters-contains-16-technical-units-of-mass-if-required-consider-g-10-m-s2",{"id":263,"category":7,"text_question":264,"slug":265},533983,"An electrical company manufactures batteries that have a duration that is distributed approximately normally, with a mean of 700 hours and a standard deviation of 40 hours. Find the probability that a randomly selected battery has an average life of less than 810 hours.","an-electrical-company-manufactures-batteries-that-have-a-duration-that-is-distributed-approximately-normally-with-a-mean-of-700-hours-and-a-standard-deviation-of-40-hours-find-the-probability-that-a",{"id":267,"category":7,"text_question":268,"slug":269},533999,"2x-4y=-6; -4y+4y=-8","2x-4y-6-4y-4y-8",{"id":271,"category":7,"text_question":272,"slug":273},534081,"Mrs. Emily saved RM10000 in a bank. At the end of the eighth year, the amount of money accumulated amounted to RM19992.71. If the bank pays an annual interest of x% for a year compounded every 6 months. Calculate the value of x.","mrs-emily-saved-rm10000-in-a-bank-at-the-end-of-the-eighth-year-the-amount-of-money-accumulated-amounted-to-rm19992-71-if-the-bank-pays-an-annual-interest-of-x-for-a-year-compounded-every-6-month",{"id":275,"category":7,"text_question":276,"slug":277},534200,"suppose random variable x follows poisson distribution with expected value 3. what is variance of x?","suppose-random-variable-x-follows-poisson-distribution-with-expected-value-3-what-is-variance-of-x",{"id":279,"category":7,"text_question":280,"slug":281},534351,"Fill in the P(X-x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are -5 ,3 , 4, 5 , and 6.","fill-in-the-p-x-x-values-to-give-a-legitimate-probability-distribution-for-the-discrete-random-variable-x-whose-possible-values-are-5-3-4-5-and-6",{"id":283,"category":7,"text_question":284,"slug":285},534386,"A building lot is in the shape of a triangle with a base of 133 feet and a height of 76 feet.\nWhat is it's area in square feet?","a-building-lot-is-in-the-shape-of-a-triangle-with-a-base-of-133-feet-and-a-height-of-76-feet-what-is-it-s-area-in-square-feet",{"id":287,"category":7,"text_question":288,"slug":289},534391,"(X+2)(x+3)=4x+18","x-2-x-3-4x-18",{"id":291,"category":7,"text_question":292,"slug":293},534409,"9/14 x 7/27 carry out indicated operation","9-14-x-7-27-carry-out-indicated-operation",{"id":295,"category":7,"text_question":296,"slug":297},534427,"Find the zero of the linear function 8x + 24 = 0","find-the-zero-of-the-linear-function-8x-24-0",{"id":299,"category":7,"text_question":300,"slug":301},534438,"1. A jeweler has two gold bars, with 80% purity and the other with 95% purity. How much of each must be melted to obtain a 5 kilo ingot with 86% purity?","1-a-jeweler-has-two-gold-bars-with-80-purity-and-the-other-with-95-purity-how-much-of-each-must-be-melted-to-obtain-a-5-kilo-ingot-with-86-purity",{"id":303,"category":7,"text_question":304,"slug":305},534492,"Find the equation of a straight line that has slope 3 and passes through the point of (1, 7) .\nWrite the equation of the line in general forms","find-the-equation-of-a-straight-line-that-has-slope-3-and-passes-through-the-point-of-1-7-write-the-equation-of-the-line-in-general-forms",{"id":307,"category":7,"text_question":308,"slug":309},534574,"a coffee shop has 9 types of creamer and 11 types of sweetener. In how any ways can a person make their coffee?","a-coffee-shop-has-9-types-of-creamer-and-11-types-of-sweetener-in-how-any-ways-can-a-person-make-their-coffee",{"id":311,"category":7,"text_question":312,"slug":313},534588,"write in set builder notation { 1,3,9,27,81,243,...}","write-in-set-builder-notation-1-3-9-27-81-243",{"id":315,"category":7,"text_question":316,"slug":317},534625,"Define excel and why we use it?","define-excel-and-why-we-use-it",{"id":319,"category":7,"text_question":320,"slug":321},534634,"64-6x^2>0","64-6x-2-0",{"id":323,"category":7,"text_question":324,"slug":325},534685,"A gas is leaking at 3.5ft3/min in a room of 2.9m by 6.9ft by 15.7m. How long would it take (in seconds) for 22% of the room to reach the LFL, if the gas has a LFL of 2.51%?","a-gas-is-leaking-at-3-5ft3-min-in-a-room-of-2-9m-by-6-9ft-by-15-7m-how-long-would-it-take-in-seconds-for-22-of-the-room-to-reach-the-lfl-if-the-gas-has-a-lfl-of-2-51",{"data":327},{"questions":328},[329,333,334,338,342,346,350,351,355,359,363,367,371,375,379,383,387,391,395,399],{"id":330,"category":7,"text_question":331,"slug":332},532013,"Using a remarkable product you must factor the expression: f(x) =36x^2-324 and you are entitled to 5 steps","using-a-remarkable-product-you-must-factor-the-expression-f-x-36x-2-324-and-you-are-entitled-to-5-steps",{"id":247,"category":7,"text_question":248,"slug":249},{"id":335,"category":7,"text_question":336,"slug":337},532059,"-6(3x-4)=-6","6-3x-4-6",{"id":339,"category":7,"text_question":340,"slug":341},532079,"The gross domestic product the gdp for the United States in 2017 was approximately2.05x10^3. If you wrote this number in standard notation , it would be 205 followed by how many zeros","the-gross-domestic-product-the-gdp-for-the-united-states-in-2017-was-approximately-2-05x10-3-if-you-wrote-this-number-in-standard-notation-it-would-be-205-followed-by-how-many-zeros",{"id":343,"category":7,"text_question":344,"slug":345},532085,"32+x-22x+6=20-4x","3-2-x-2-2x-6-20-4x",{"id":347,"category":7,"text_question":348,"slug":349},533890,"Determine the correct value:\n A company knows that invoices pending collection have a normal distribution with a mean of 1.65million,withastandarddeviationof0.2 million, then: The probability that an invoice pending collection has an amount that is within more than 2 deviations below the mean, is:","determine-the-correct-value-a-company-knows-that-invoices-pending-collection-have-a-normal-distribution-with-a-mean-of-1-65-million-with-a-standard-deviation-of-0-2-million-then-the-probability",{"id":259,"category":7,"text_question":260,"slug":261},{"id":352,"category":7,"text_question":353,"slug":354},533977,"what is the annual rate on β525at0.046β999.99 to 689.99.Findthepercentreductionintheprice.Roundtheanswertothenearesttenthofapercent,ifnecessary.","aβdiamondβringβwasβreducedβfromβ999β99βtoβ689β99βfindβtheβpercentβreductionβinβtheβpriceβroundβtheβanswerβtoβtheβnearestβtenthβofβaβpercentβifβnecessary","id":372,"category":7,"textquestion":373,"slug":374,534497,"X3βx2β4=0,whatarethevaluesofx?","xβ3βxβ2β4β0βwhatβareβtheβvaluesβofβx","id":376,"category":7,"textquestion":377,"slug":378,534499,"Ablockslidesacrossthefloorwithaforceof20N,whichhasanangleof30Β°.Themassoftheblockis2kgandthecoefficientoffrictionis0.1.Calculatethevalueofalltheforcesinvolvedinthissystemandfinallythevalueoftheacceleration.","aβblockβslidesβacrossβtheβfloorβwithβaβforceβofβ20nβwhichβhasβanβangleβofβ30βtheβmassβofβtheβblockβisβ2kgβandβtheβcoefficientβofβfrictionβisβ0β1βcalculateβtheβvalueβofβallβtheβforcesβinvolvedβinβt","id":380,"category":7,"textquestion":381,"slug":382,534535,"CalculateNPV,IRRandPAYBACKthroughacashflowforaperiodoffiveyears,with\ndiscountrateof:\na)1041,400,000","calculate-npv-irr-and-payback-through-a-cash-flow-for-a-period-of-five-years-with-discount-rate-of-a-10-b-12-c-15-initial-annual-cost-41-400-000",{"id":384,"category":7,"text_question":385,"slug":386},534547,"2.3 X 0.8","2-3-x-0-8",{"id":388,"category":7,"text_question":389,"slug":390},534552,"Solve for z:\n\n2z-6=10z+2","solve-for-z-2z-6-10z-2",{"id":392,"category":7,"text_question":393,"slug":394},534597,"Arturo had hospitalization expenses of 8,300.Yourpolicyformedicalexpenses\nSeniorshaveadeductibleof500 and expenses are paid at a 20% coinsurance.\n These are the first expenses ever this year, how much will Arturo have to pay in\n your bill for hospitalization expenses?","arturo-had-hospitalization-expenses-of-8-300-your-policy-for-medical-expenses-seniors-have-a-deductible-of-500-and-expenses-are-paid-at-a-20-coinsurance-these-are-the-first-expenses-ever-this-y",{"id":396,"category":7,"text_question":397,"slug":398},534666,"fr = 1/r+9 find fx2 + 1","f-r-1-r-9-find-f-x-2-1",{"id":400,"category":7,"text_question":401,"slug":402},534688,"Matilde knows that, when driving her car from her office to her apartment, she spends a normal time of x minutes. In the last week, you have noticed that when driving at 50 mph milesperhour, you arrive home 4 minutes earlier than normal, and when driving at 40 mph, you arrive home 5 minutes earlier\n later than normal. If the distance between your office and your apartment is y miles, calculate x + y.","matilde-knows-that-when-driving-her-car-from-her-office-to-her-apartment-she-spends-a-normal-time-of-x-minutes-in-the-last-week-you-have-noticed-that-when-driving-at-50-mph-miles-per-hour-you-a",{"$sicons":404},{"bxl:facebook-circle":405,"bxl:instagram":409,"mdi:web":411,"la:apple":413,"ph:google-logo-bold":416,"ph:google-logo":419},{"left":406,"top":406,"width":407,"height":407,"rotate":406,"vFlip":157,"hFlip":157,"body":408},0,24,"\u003Cpath fill=\"currentColor\" d=\"M12.001 2.002c-5.522 0-9.999 4.477-9.999 9.999c0 4.99 3.656 9.126 8.437 9.879v-6.988h-2.54v-2.891h2.54V9.798c0-2.508 1.493-3.891 3.776-3.891c1.094 0 2.24.195 2.24.195v2.459h-1.264c-1.24 0-1.628.772-1.628 1.563v1.875h2.771l-.443 2.891h-2.328v6.988C18.344 21.129 22 16.992 22 12.001c0-5.522-4.477-9.999-9.999-9.999\"/>",{"left":406,"top":406,"width":407,"height":407,"rotate":406,"vFlip":157,"hFlip":157,"body":410},"\u003Cpath 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