Thursday

July 31, 2014

July 31, 2014

Posted by **Cody** on Monday, November 7, 2011 at 4:38pm.

- math -
**Steve**, Monday, November 7, 2011 at 7:06pmAM = (a+b)/2

GM = √ab

a+b = 32

ab = 144

(a+b)^2 = (a^2 + b^2 + 2ab)

1024 = a^2 + b^2 + 288

a^2 + b^2 = 736

a^3 + b^3 = (a+b)(a^2 - ab + b^2)

= 32(736 - 144) = 18944

Not bad, for not knowing either a or b.

**Related Questions**

geometric mean - The geometric mean of two postitive numbers a and b is sqrt(ab...

Math *URGENT - Please give the answers and solutions for each. 1.If the second ...

math - What is the difference between geometric mean and arithmetic mean? ...

Geometry-8th gr - The geometric mean x of two numbers is the positive value of x...

arithmetic - 1. The first and last term of an A.P are, a and l respectively, ...

arithmetic - 1. The first and last term of an A.P are, a and l respectively, ...

geometric mean - Eighteen is the Geometric Mean of 12 and what number 18 = sqrt...

Math - Arithmetic & Geometric - 1) Given the terms a35 = 1238 and a70 = 1483 of ...

Mathematics optimization - The arithmetic mean of two numbers a and b is the ...

Math Homework - Suppose the modified quota is 1.27. Fill in the blanks, and ...