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3 July, 19:17

A bicycle tire has a radius of 11 inches. To the nearest inch, how far does the tire travel when it makes 7 revolutions?

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  1. 3 July, 19:31
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    484 Inch

    Step-by-step explanation:

    Radius of the tire=11 inch

    The distance which the tire covers in 1 revolution is the circumference of the tire.

    Circumference of a circle=2πr

    Therefore:

    Distance of the tire in 1 revolution=2*π*11=22π inches

    From the above, we can then determine the distance which the tire travels in 7 revolutions.

    Distance if the tire in 7 revolutions=7*22π

    =483.81 Inch

    ≈484 Inch (to the nearest inch)

    The tire travels approximately 484 Inch in 7 revolutions.
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