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13 February, 12:13

A cone-shaped container has a height of 6 ft and a diameter of 3 ft. It will be filled with concrete mix that costs $2.00 for each cubic foot.

What will be the total cost to fill the container?

Use 3.14 for π.

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  1. 13 February, 12:42
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    Volume of a cone = πr² (h/3)

    π=3.14

    h=6

    r = 1.5

    v = (3.14) (1.5) ² (6/3)

    v = (3.14) (2.25) (2)

    v = 14.13 ft³

    2 x 14.13 = 28.26

    it will cost $28.26 to fill the cone with concrete.
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