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: 13 mph; hike: 3 mph
B. Bike: 14.5 mph; hike: 4.5 mph
C. Bike: 11.5 mph; hike: 1.5 mph
D. Bike: 12 mph; hike: 2 mph
Answer: D
Mathematics
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Evaluate the expression.(
+ 4)2
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Use a proportion to solve the application.According to a recent study, 1.67 million households in one American city have pets. Out of every 100 people, 42 have more than one pet. How many households own more than one pet?
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Subtract the polynomials.(7x7 - 14x6 + 14x) - (2x7 + 6x6 - 12x)
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Mathematics