MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
x 10 y 15 calculate log x y x 2 y 2
Question
x =10, y=15 calculate log(x+y) - (x^2 + y^2)
Like
144
likes
722
views
Answer to a math question x =10, y=15 calculate log(x+y) - (x^2 + y^2)
Cristian
4.7
119
Answers
$=\log_{10}(10+15)-(10^{2}+15^{2})$
$=2\log_{10}(5)-325$
Frequently asked questions (FAQs)
What is the equation that represents an ellipse with its center at (h, k), major axis of length a, and minor axis of length b?
+
What is the maximum value of the function f(x) = 3x^2 + 5x - 2 within the interval [-2, 4]?
+
Math question: What is the measure, in degrees, of an angle inscribed in a semicircle?
+
New questions in Mathematics
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?
The sum of an infinite geometric series is 13,5 The sum of the same series, calculated from the third term is 1,5. Q. Calculate r if r>0.
3x+5y=11 2x-3y=1
*Question!!* *Victory saved 3,000 in first bank and 2,000 Naira in union bank PSC with interest rate of X% and Y% per annual respectively his total interest in one year is #640. If she has saved 2,000 naira with first bank and 3,000 naira in union bank for same period she would have made extra 20# as additional interest, then find the value of X and Y
132133333-33
Suppose SAT reading scores are normally distributed with a mean of 496 and a standard deviation of 109. The University plans towards scholarships for students who scores are in the top 7%. What is the minimum score required for the scholarship round your answer to the nearest whole number.
The thermal representation f(x) = 20 times 0.8 to the power of x is known from an exponential function f. Specify the intersection point with the y-axis
During a fishing trip Alex notices that the height h of the tide (in metres) is given by h=1β(1/2)*cos(Οt/6) where t is measued in hours from the start of the trip. (a) Enter the exact value of h at the start of the trip in the box below.
A stunt man jumps horizontally from a building to the roof of a garage that is 2 meters lower. How fast does he need to be to land on the roof of the said garage that is 3 meters away from the building?
A company receives sales in $20 per book and $18 per calculator. The per unit cost to manufacture each book and calculator are $5 and 4$ respectively. The monthly (30 day) cost must not exceed $27000 per month. If the manufacturing equipment used by the company takes five minutes to produce a book and 15 minutes to produce a calculator, how many books and calculators should the company produce to maximise profit? Please solve graphically and
The points (-5,-4) and (3,6) are the ends of the diameter of the circle calculate subequation
TEST 123123+123123
The two sides of the triangle are 12 cm and 5 cm, and the angle between the sides is 60Β°. Cover the area of ββthe triangle!
The grading on a $159,775 house comes to $3974.75. What percent of the total cost is this? (Express your answer to the nearest hundredth percent.)
A contractor gives a bank note for $10250 at a rate of 1% for one month. How much interest is charged for 4 months?
a) Statistics scores are normally distributed with the mean of 75 and standard deviation of 7. What is the probability that a student scores between 80 and 88
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
-6 - t / 4 = -1
16-(xΒ²+x+2)Β²
Sin(5pi/3)
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
The patient is prescribed a course of 30 tablets. The tablets are prescribed β1 tablet twice a dayβ. How many days does a course of medication last?
A college believes that 22% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points?
Jose bought 3/4 of oil and his sister bought 6/8, which of the two bought more oil?
A drawer contains three pairs of white socks, five pairs of black socks and two pairs of red socks. Caden randomly selects two pairs of socks on his way to the gym. What is the probability that both pairs of socks are black?
4x567
Suppose 56% of politicians are lawyers if a random sample of size 564 is selected, what is the probability that the proportion of politicians who are lawyers will differ from the total politicians proportions buy more than 4% round your answer to four decimal places
Equivalent expression of the sequence (3n-4)-(n-2)
The beta of a company is 1.51 while its financial leverage is 27%. What is then its unlevered beta if the corporate tax rate is 40%? (4 decimal places)
7/6-(-1/9)
How many anagrams of the word STROMEC there that do not contain STROM, MOST, MOC or CEST as a subword? By subword is meant anything that is created by omitting some letters - for example, the word EMROSCT contains both MOC and MOST as subwords.
Suppose that you use 4.29 g of Iron in the chemical reaction: 2Fe(s) + 3 Cu2 + (aq) 2Fe 3 + (aq) + 3Cu(s ) - . What is the theoretical yield of Cu (s), in grams?
Show this compound proposition to be true or false. Paris is the capital of England or Rome is the capital of Italy
The points (-5,-4) and (3,6) are the ends of the diameter of the circle calculate subequation
Jasminder has made 55% of the recipes in a particular cookbook. If there are 9 recipes that he has never made, how many recipes does the cookbook contain?
For what values of m is point P (m, 1 - 2m) in the 2β° quadrant?
Your grandfather has run a small high street pharmacy for 40 years. After much persuasion, he has agreed to open a digital store online. List 5 potential ways to improve sales and/or margins by having a digital pharmacy through the utilisation of historic or new sales data.
A block slides across the floor with a force of 20N, which has an angle of 30Β°. The mass of the block is 2kg and the coefficient of friction is 0.1. Calculate the value of all the forces involved in this system and finally the value of the acceleration.
To paint a 250 m wall, a number of workers were employed. If the wall were 30 m longer, 9 more workers would be needed. How many were employed at the beginning?
Today a father deposits $12,500 in a bank that pays 8% annual interest. Additionally, make annual contributions due of $2,000 annually for 3 years. The fund is for your son to receive an annuity and pay for his studies for 5 years. If the child starts college after 4 years, how much is the value of the annuity? solve how well it is for an exam
-1/3x+15=18