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Mathematics 25 Online
OpenStudy (anonymous):

The diameter of a tire is 2.5. About how many times will the tire rotate to travel 1 mile?

OpenStudy (anonymous):

2.5 what?

OpenStudy (anonymous):

feet

OpenStudy (anonymous):

2,112 times?

OpenStudy (anonymous):

convert 2.5 to miles and find the circumference of the tire, then divide a mile by the circumference to find the amount of times you need

OpenStudy (anonymous):

1 mile = 5280 feet

OpenStudy (anonymous):

ok, circumference: 2*pi*radius *radius is half of diameter 2*pi*1.25=7.85 5280/7.85=number of times the tire will rotate

OpenStudy (anonymous):

Answer=672.27 times

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