Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,433 questions

17,804 answers

1,438 comments

47,273 users

The geometric mean of 4 and a is 2 √ 2.

0 votes

 

What is a?

asked Mar 8, 2013 in BASIC MATH by skylar Apprentice

1 Answer

0 votes

 

Geometric mean of n numbers G = (n1 * n2 ..... n)^1/n

2 √ 2 = ( 4 * a) ^1/2
(2 √ 2 )^2 = 4a
8 = 4a
divide each side by 4
a = 2

answered Mar 9, 2013 by Naren Answers Apprentice

Related questions

...