Solve the problem.A man rode a bicycle for 12 mi and then hiked an additional 8 mi. The total time for the trip was 5 hr. If his rate when he was riding a bicycle was 10 mph faster than his rate walking, what was each rate?
A. Bike: 11.5 mph; hike: 1.5 mph
B. Bike: 13 mph; hike: 3 mph
C. Bike: 14.5 mph; hike: 4.5 mph
D. Bike: 12 mph; hike: 2 mph
Answer: D
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Solve the problem.Two pulleys of diameter 9 meters and 3 meters are connected by a belt. The larger pulley rotates 47 times per minute. Find the angular speed of the smaller pulley.
A. 141? rad/min B. 282? rad/min C. 423? rad/min D. 212? rad/min
Find the mode of the list of data.0.70, 0.25, 0.70, 0.13, 0.25, 0.29, 0.56, 0.70
A. 0.70 B. 0.70 and 0.25 C. 0.51 D. 0.25
Solve.An object is at rest at t = 0 seconds and then begins accelerating at a constant 16 feet per second per second. The distance the object travels in the first t seconds is given by the polynomial 8t2. Find the distance the object travels in the first 10 seconds.
A. 80 feet B. 160 feet C. 800 feet D. 100 feet
Find 
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A. 
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B. ??
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E. 
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