Solve the variation 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 30 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 37.5 seconds to finish the race.
A. 3 feet per second
B. 6 feet per second
C. 5 feet per second
D. 4 feet per second
Answer: D
Mathematics
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is a solution of the inequality.
?
?
A. Yes B. No
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Simplify.
+ 
A. 
B. 
C. 1
D. 
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Solve the equation.44 = -6x - 4
A. 54 B. 58 C. -8 D. 3
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Find the function value. If the result is irrational, round your answer to the nearest thousandth.Let f(x) = 2x. Find f(4.5).
A. 9 B. 22.627 C. 33.941 D. 45.254
Mathematics