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Mathematics 15 Online
OpenStudy (anonymous):

what is the geometirc mean of 4 and 7

OpenStudy (freckles):

\[\text{ geometric mean of } a \text{ and } b \text{ is } \sqrt{ab}\]

OpenStudy (anonymous):

so 28?

OpenStudy (freckles):

no

OpenStudy (freckles):

sqrt(4*7) which is not 28 but sqrt(28)

OpenStudy (anonymous):

5.29?

OpenStudy (freckles):

I would have to find a calculator to confirm but sqrt(28) is the exact answer

OpenStudy (anonymous):

ok thanks! can you help me with some other questions?

OpenStudy (freckles):

to the nearest hundredth yes sqrt(28) is approximately 5.29

OpenStudy (anonymous):

OpenStudy (anonymous):

what is this?

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