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OpenStudy (anonymous):
MEDAL & FAN ANYBODY ? Calculate the geometric mean of 3 and 9.
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OpenStudy (solomonzelman):
So, a1=3 and a3=9 and you are missing a2. \(\large\color{black}{ a_1\times r^{3-1}=a_3}\) \(\large\color{black}{ 3\times r^{2}=9}\) Solve for r.
OpenStudy (solomonzelman):
I really want to say though, that you will have to answers for a2 (the messing geometric mean)
OpenStudy (anonymous):
sqrt(3*9)=3root 3
OpenStudy (solomonzelman):
excuse my grammar
OpenStudy (perl):
|dw:1415113944852:dw|
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OpenStudy (solomonzelman):
|dw:1415113918800:dw|
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