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OpenStudy (anonymous):

A wheel made 3,000 revolutions while traveling 45,000(pi) inches in a straight line along the ground. What is the radius of the wheel? I'm getting ready for PSAT . For this problem I got 7.5 inches as the radius

OpenStudy (anonymous):

I agree\[2 \pi r=\frac{45000}{3000}\]divide out the pi\[2r=15\]solve\[r=7.5\]

OpenStudy (anonymous):

Thank you! Just needed some clarification

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