3 years ago

Omplete the statement. Round to the nearest hundredth if necessary. 75.2 in. ≈≈ cm

Mathematics

1 answer:

salantis [7]3 years ago

4 0

The total is 191.008 centimeters.

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A cylinder is filled with 900 liters of water.find the area of its base if height of cylinder is 20dm.

Lisa [10]

The formula of the volume of a cylinder:

$V=\pi r^2H\\\\where:\\\\r-a\ radius\\H-a\ height\\\pi r^2-an\ area\ of\ base$

We have:

$V=900\ liters\\1L=1dm^3\ therefore\ V=900L=900dm^3$

and

$H=20\ dm$

substitute:

$\pi r^2\cdot20=900\ \ \ |:20\\\\\pi r^2=45\ dm^2$

Answer: The area of a base of the cylinder is equal 45 dm².

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Answer:

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Step-by-step explanation:

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Dovator [93]

Hope This helps you..!!