What is the geometric mean of 7 and 12? a.1b.9.5c.2√21d.4√21

Nolan H asked May 16, 2023

451,809 views

43 votes

Nolan H asked May 16, 2023

2.5k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

29 votes

To find the geometric mean,

Simply follow the steps below:

$\frac{x}{7\text{ }}=(12)/(x)$
x^2=84

Take the square root of both-side

$x=\sqrt[]{84}$
$=\sqrt[]{4\text{ x 21}}$

$=2\sqrt[]{21}$

Therefore, the correct option is C.2√21

Eyes answered May 20, 2023

by Eyes

3.0k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers