If the geometric mean of a and 15 is 9√15, find the value of a.

Question

asked Nov 18, 2021 198k views

1 Answer

Dallas Johnson · Answer 1 · 2021-11-24T19:37:28+0000

Answer: a = 81

Step-by-step explanation:

Geometric mean: sqrt a • b

sqrt a • 15 = 9 sqrt 15
Sqrt 15a = 9 sqrt 15
(Sqrt 15a)^2 = (9 sqrt 15)^2
15a = 81 x 15
a = 81

If the geometric mean of a and 15 is 9√15, find the value of a.

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

No related questions found

Categories

Other Questions