$MathMaster logo$

MathMaster

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)

144

likes

722 views

Answer to a math question x =10, y=15 calculate log(x+y) - (x^2 + y^2)

$Expert avatar$

4.7

118 Answers

$=\log_{10}(10+15)-(10^{2}+15^{2})$

$=2\log_{10}(5)-325$

Frequently asked questions (FAQs)

What is the length of side c in a triangle with side a = 7, side b = 9, and angle C = 45 degrees?

+

What is the derivative of sinh(x) - cosh(x)?

+

Math question: Graph the inequality 2x + 3y ≤ 12. Identify and shade the region that satisfies this inequality on a coordinate plane.

+

New questions in Mathematics

Simplify the expression sin³(x)+cos³(x), using trigonometric functions

The Lenovo company manufactures laptop computers, it is known that for every 60 laptops produced, 54 go on the market with the highest quality standards. If a sample of 15 laptops is taken, calculate the probability that: Exactly 2 are not of high quality

how many arrangements can be made of 4 letters chosen from the letters of the world ABSOLUTE in which the S and U appear together

-3(-4x+5)=-6(7x-8)+9-10x

Determine the reduced equation of the straight line that is perpendicular to the straight line r: y=4x-10 and passes through the origin of the Cartesian plane

using the math and science known about the jefferson river bridge Find a truss in use and develop a load diagram. Use a load of 50 lb on each joint along the bottom of the truss for a truss that actrs as a bridge and along the top joints for a truss that acts as a roof

Engineers want to design seats in commercial aircraft so that they are wide enough to fit 95% of all males. (Accommodating 100% of males would require very wide seats that would be much too expensive.) Men have hip breadths that are normally distributed with a mean of 14.4 in. and a standard deviation of 1.2 in. Find P95. That is, find the hip breadth for men that separates the smallest 95% from the largest 5%.

Using the bank and exact method, calculate the interest on capital 10000 at 12% annual nominal interest rate for the period from 15.3. 2016 until 10/10/2016

In a laboratory test, it was found that a certain culture of bacteria develops in a favorable environment, doubling its population every 2 hours. The test started with a population of 100 bacteria. After six hours, it is estimated that the number of bacteria will be:

17. A loan for $104259 is taken out for 10 years with an annual interest rate of 9.4%, compounded quarterly. What quarterly payment is required to pay the loan off in 10 years? Enter to the nearest cent (two decimals). Do not use $ signs or commas in the answer.

A company has had the following data for two consecutive years. Total, asset item 3,100,500 euros 3,300,550 euros. Net amount of business figures 4,755,250 euros /5,100 euros Average number of workers employed during the year 64/70 You can present a balance sheet in an abbreviated form

A salesperson earns a base salary of $600 per month plus a commission of 10% of the sales she makes. You discover that on average, it takes you an hour and a half to make $100 worth of sales. How many hours will you have to work on average each month for your income to be $2000?

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.

25) Paulo saves R$250.00 per month and keeps the money in a safe in his own home. At the end of 12 months, deposit the total saved into the savings account. Consider that, each year, deposits are always carried out on the same day and month; the annual yield on the savings account is 7%; and, the yield total is obtained by the interest compounding process. So, the amount that Paulo will have in his savings account after 3 years, from the moment you started saving part of your money monthly, it will be A) R$6,644.70. B) R$ 9,210.00. C) R$ 9,644.70. D) R$ 10,319.83. E) R$ 13,319.83

How many digits are there in Hindu-Arabic form of numeral 26 × 1011

The perimeter of a rectangular rug is 42 feet. The width is 9 feet. What is the length?

7-1=6 6x2=12 Explain that

A small box measures 10 in. by 4 in. by 6 in. high. Find the volume of the box.

Write an equation of the affine function whose graph is perpendicular to the graph of f(x) = 5x − 1 and passes through the point (5, 20).