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9 is the geometric mean between 4 and which other number? A. 20.25 B. 81 C. 9 D. None of the choices are correct.
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9 is the geometric mean between 4 and which other number? A. 20.25 B. 81 C. 9 D. None of the choices are correct.
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Jul 19, 2019
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9 is the geometric mean between 4 and which other number?
A. 20.25
B. 81
C. 9
D. None of the choices are correct.
Mathematics
high-school
Rotkiv
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Rotkiv
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answer is A. 20.25
cause 20.25 x 9 = 81
√81 = 9
so 9 is the geometric mean
between 4 and 20.25
Larry Schiefer
answered
Jul 24, 2019
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Larry Schiefer
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