Solve the problem. Round your answer to the nearest tenth, if necessary.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: 12 mph; hike: 2 mph
D. Bike: 14.5 mph; hike: 4.5 mph
Answer: C
Mathematics
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Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 8i - 4j, w = 2i - 6j
A. 35.7° B. 104.5° C. 92.0° D. 45.0°
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The graphing calculator screen shows the graphs of the two given functions, and the display gives the coordinates of one of the solutions. Find the other solution.
y = 
x2x - y = -4
A. (-2, -2) B. (-2, 2) C. (2, 2) D. (2, -2)
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Find the product, if possible.
A. 
B. 
C. 
D. 
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Find the area of the rectangle. Be sure to express area in square units.
10 feet
A. 50 sq ft B. 75 sq ft C. 100 sq ft D. 25 sq ft
Mathematics