MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
use the elimination to find the solution to each linear system x y 43 2x y 20
Question
Use the elimination to find the solution to each linear system. X+y=43 2x-y=20
Like
97
likes
484
views
Answer to a math question Use the elimination to find the solution to each linear system. X+y=43 2x-y=20
Gene
4.5
108
Answers
x=21, y=22
Frequently asked questions (FAQs)
Question: What is the domain and range of the cube root function?
+
What is the length of the perpendicular bisector of a triangle with sides of 8 cm, 10 cm, and 12 cm?
+
Question: What is the value of arcsin(sin(pi/3)) - arccos(cos(3pi/4))?
+
New questions in Mathematics
A normally distributed population has a mean of 118 with a standard deviation of 18. What score separates the lowest 72% of the distribution from the rest of the scores?
Consider numbers from 1 to 2023. We want to delete 3 consecutive, so that the avarage of the left numbers is a whole number. How do we do that
1. Suppose we have a good whose quantity supplied changed from 100 to 120 units when the price increased from $10 to $12 per unit. Compute the price elasticity of supply using the midpoint method
9b^2-6b-5
A job takes 9 workers 92 hours to finish. How many hours would it take 5 workers to complete the same job?
The actual length of an object is 1.3 m . If the blueprint uses a scale of 1 : 12 , what is the length of the line on the drawing?
how many arrangement can be made of 4 letters chosen from the 8 letters of the world ABBSOLUTE
4. Show that if n is any integer, then n^2 3n 5 is an odd integer
If the midpoint of point A on the x=3 line and point B on the y=-2 line is C(-2,0), what is the sum of the ordinate of point A and the abscissa of point B?
Pedro had 80% of the amount needed to buy a game. Of this amount, you spent 15% on a watch and therefore, you will need to add another R$640.00 to purchase this game. Is the value of the game?
3. A rock is dropped from a height of 16 ft. It is determined that its height (in feet) above ground t seconds later (for 0≤t≤3) is given by s(t)=-2t2 + 16. Find the average velocity of the rock over [0.2,0.21] time interval.
The following table shows the frequency of care for some animal species in a center specializing in veterinary dentistry. Species % Dog 52.8 Cat 19.2 Chinchilla 14.4 Marmoset 6.2 Consider that the center only serves 10 animals per week. For a given week, what is the probability that at least two are not dogs? ATTENTION: Provide the answer to exactly FOUR decimal places
A machine produces 255 bolts in 24 minutes. At the same rate, how many bolts would be produced in 40 minutes?
9.25=2pi r solve for r
Take the limit of (sin(x-4))/(tan(x^2 - 16) as x approaches 4.
Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.
2x-5-x+2=5x-11
The area bounded by the curve y=ln(x) and the lines x=1 and x=4 above the x−axis is
Sarah is lining a square tray with 1 inch square tiles. the side length of the tray is 9 inches. How many tiles does Sarah need?
The domain of the function f(x)=x+7x2−144 is (−∞,), ( ,), and ( , ∞).
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
What is the coefficient of elasticity of the material that must be placed on the heel of the 10 cm high clog, with a base area of 2 cm² so that it deforms only 2 cm when the force on it will be a maximum of 600 N.
what is 9% of 307
If L = (-2, -5) is reflected across y= -4 , what are the coordinates of L?
6. Among 100 of products there are 20 rejects. We will randomly select 10 of products. The random variable X indicates the number of rejects among the selected products. Determine its distribution.
Suppose X has a Poisson distribution, with a mean of 0.4. Determine the probability that x is at most 2.
A force of 750 pounds compresses a spring 3 inches from its natural length, which is 15 inches. What will be the work done to compress it 3 inches more?
12(3+7)-5
Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}
The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.
The price per night of a suite at the Baglioni Hotel in Venice is 1896 euros, VAT included. The VAT in Italy is 25%. The hotel gets a return of 10% out of the price VAT included. b) What is the profit value made by the hotel for one
A box of numbered pens has 12 red, 12 blue, 12 green and 12 yellow pens. The pens for each colour are numbered from 1 to 12. There is a unique number on each pen, so no pen is exactly the same as any other pen in the box. When reaching into the box to randomly draw five pens without replacement, what is the proportion of getting exactly four pens of the same colour (Note: the numbers matter but the order does not)?
3/9*4/8=
Two minus log 3X equals log (X over 12)
Express the trigonometric form of the complex z = -1 + i.
We have received our p&l statement back from accounts. The board has asked for an innovation hub. What items should we prioritise reviewing to decide if we can afford an innovation hub?
Give an example of a function defined in R that is continuous in all points, except in the set Z of integers.
P 13. Let P a point inside of a square ABCD. Show that the perpendicular lines drawn from A, B, C, respectively D, to BP, CP, DP, respectively AP are concurrent. Use geometric rotation.
y′ = 2x + 3y x′ = 7x − 4y x(0) = 2 y(0) = −1 sisteminin ¸c¨oz¨um¨un¨u bulunuz. (Lineer Denk. Sis.)
The domain of the function f(x)=x+7x2−144 is (−∞,), ( ,), and ( , ∞).
Construct a set of six pieces of data with mean, median, and midrange of 67 and where no two pieces of data are the same.