3 years ago

Gretchen computed the geometric mean of two numbers. One of the

Mathematics

1 answer:

alina1380 [7]3 years ago

6 0

9514 1404 393

Answer:

Step-by-step explanation:

When the mean of two numbers is the same as one of the numbers, then the other number also has that same value. This is true for any kind of mean:

arithmetic, geometric, harmonic.

The other number would be 7.

The geometric mean (m) of a and b is ...

m = √(ab)

We have ...

7 = √(7b)

49 = 7b . . . . . square both sides

7 = b . . . . . . . .divide by 7

a = b = m = 7 in this case.

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