Ask Question
Today, 20:38

Two numbers, 3 and a, have a geometric mean of 9. Find the value of a.

+2
Answers (1)
  1. 29 September, 00:06
    0
    The geometric mean of two numbers x and y is √ (xy).

    So, if the geometric mean of 3 and a is 9 = >

    9 = √ (3a)

    => 9^2 = 3a

    => a = 9^2 / 3

    a = 81 / 3

    a = 27

    Answer: the value of a is 27.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Two numbers, 3 and a, have a geometric mean of 9. Find the value of a. ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers