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Mary wants to fill in a cylinder vase. At the flower store they told her that the vase should be filled 3/4 for the flowers to last yhe longest. Her cylinder vase has a radius of 2 in and a height of 9 in how much water should mary pour into the vase?

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sqdancefan

Answer:

  84.8 in³

Step-by-step explanation:

The formula for the volume of a cylinder is ...

  V = πr²h

The volume Mary will be filling will be 3/4 of the 9-inch height of the vase, so is ...

  V = π(2 in)²(3/4·9 in) = 27π in³ ≈ 84.8 in³

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Comment on the answer

In more conventional units of measure, that is very nearly 3 pints of water.

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