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September 19, 2014

September 19, 2014

Posted by **Terri** on Monday, February 23, 2009 at 5:36pm.

I do not have a clue where to start the equation given was

extreme/extreme=mean/extreme

so (mean)(mean)=(extreme)(extreme)

help please

- geometry -
**Reiny**, Monday, February 23, 2009 at 5:57pmlet the geometric mean be x

then x/7 = 21/x

x^2 = 147

x = ± √147

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