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March 28, 2017

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A cylindrical gasoline can is 18 inches across and 20 inches tall. which expression represents the approximate volume in cubic inches ?

1) (3.14)(9)2(20)
2) (3.14)(9)(20)2
3) (3.14)(18)(20)
4) (3.14)(18)2(20)
5) (3.14)(36)2(20)

  • mathematics - ,

    V = pi * r^2 * h

    Which of your answers expresses that formula?

  • mathematics - ,

    number 4

  • mathematics - ,

    No. The radius is not 18.

  • mathematics - ,

    the answer is
    5

  • mathematics - ,

    Nope. The radius is half the diameter.

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