SOLUTION: 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 the longest. Her cylinder vase has a radius of 2

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Question 1095720: 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 the 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?

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
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 the 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?
:
Find the height of the water
3%2F4 * 9 = 6.75 inches
Find the volume of the water of this height
V: pi%2A2%5E2%2A6.75 = 84.823 cu/in of water
which is
.017316 * 84.832 = 1.47 quarts of water