3 years ago

SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!

Mathematics

1 answer:

Ksju [112]3 years ago

7 0

I got...

2a(to the fourth power) plus 12a(to the second)b(to the second). I also checked this online.

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PilotLPTM [1.2K]

Answer:

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Step-by-step explanation:

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zheka24 [161]

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The formula for the volume of a cone is V=1/3(3.14)r^2(h) where V represents the volume, r represents the radius of the base, an

jasenka [17]

The original formula for the volume of a cone is

$V=\dfrac{1}{3}\pi r^2h$

O.K. You give the approximate value of pi in the formula.

$V=\dfrac{1}{3}\cdot3.14r^2h$

We have:

$V=66\ cm^3,\ r=3\ cm$

Substitute:

$\dfrac{1}{3}\cdot3.14\cdot3^2h=66\\\\3.14\cdot3h=66\\\\9.42h=66\ \ \ \ |:9.42\\\\h\approx7\ cm$

Answer: 7 cm.

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3 years ago

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Gekata [30.6K]

if the diameter of it is 12, its radius is half that or 6.

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3 years ago

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Kryger [21]

Answer:

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Step-by-step explanation:

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