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Mathematics 20 Online
OpenStudy (anonymous):

Jim rides his bike for 20 minutes and travels 3 miles. Find his speed. A. 9 mi/hr B. 60 mi/hr C. 23 mi/hr D. 3 mi/hr

OpenStudy (stormfire1):

20 mins = 1/3 hour and speed = distance / time. Therefore 3mi/.33hr = 9 mi/hr

OpenStudy (anonymous):

How long will it take a car to travel 90 miles at a speed of 30 miles per hour? A. 180 minutes B. 120 minutes C. 45 minutes D. 60 minutes

OpenStudy (stormfire1):

30 * ? = 90 3 hours...or 180 minutes.

OpenStudy (anonymous):

Which three points lie on the same line? F(1, 0), B(–5, –24), J(0, –4), T(–4, 3) A. F, B, J B. F, B, T C. F, J, T D. B, J, T

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