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Lisa [10]
3 years ago
13

Find geometric mean between 3 and 6

Mathematics
2 answers:
lions [1.4K]3 years ago
4 0
Call the geometric mean ' G '.

Then (3 / G) = (G / 6)

This is a proportion, and may be "cross-multiplied":

G² = 18

G = √18 = about 4.2426... (rounded)
zalisa [80]3 years ago
3 0
geometric\ mean\ between \ a\ and\ b\ = \sqrt{a\cdot b} \\----------------------\\\\geometric\ mean= \sqrt{3\cdot6} = \sqrt{3\cdot3\cdot2} =3\cdot \sqrt{2}
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Answer:

Step-by-step explanation:

I have 30 coins, all nickels, dimes, and quarters, worth $4.60. There are two more dimes than quarters. How many of each kind of coin do I have.

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dimes = x+2

...

dimes + quarters = x+x+2=2x+2

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5(30-(2x+2))+10(x+2)+25x=460

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check

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Answer:

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