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MathematicsMathematics
12 March, 02:49

the radius of the wheel on a car is 21 inches. if the wheel is revolving at 202 revolutions per minute, what is the linear speed of the car in miles per hour

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  1. 12 March, 02:55
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    25.2398 miles per hour.

    Step-by-step explanation:

    Circumference of the wheel = 2π (21) = 131.947 inches. Convert to miles. 131.947/12 = 10.9956 ft. 10.9956/5280 = 0.002082 miles. Multiply by 202 to get miles per minute. 0.002082*202 =.420664 miles per minute. Multiply by 60 to get miles per hour. 60*.420664 = 25.2398 miles per hour.
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