Solve the problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 37.5 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes him 50 seconds to finish the race.
A. 5 ft/sec
B. 2 ft/sec
C. 3 ft/sec
D. 4 ft/sec
Answer: C
Mathematics
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Solve the problem.Find an upper bound for 
in estimating 
with n = 10 steps.
A. 
B. 
C. 
D. 
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Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
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Solve the problem.An ordinary die is tossed. What are the odds in favor of the die showing a 4?
A. 1 to 6 B. 1 to 4 C. 1 to 5 D. 2 to 3
Mathematics
Suppose a car cost is $7,000 after 5 years of exploitation. Evaluate its initial cost if it depreciates by 13% per year.
a. $20,000 b. $10,769.23 c. $8,045.98 d. $109.38
Mathematics