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Mathematics 9 Online
OpenStudy (anonymous):

Find two geometric means between 5 and 135.

ganeshie8 (ganeshie8):

5, ___, ___, 135

OpenStudy (zzr0ck3r):

you want 5a^0,5a^1,5a^2,5a^3

OpenStudy (zzr0ck3r):

so what raised to the third power then multiplied by 5 gives 135?

OpenStudy (zzr0ck3r):

IOW. a=cuberoot(135/5)

OpenStudy (zzr0ck3r):

@dedog55 do you understand?

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