Solve.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 60 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 75 seconds to finish the race.
A. 3 feet per second
B. 4 feet per second
C. 5 feet per second
D. 6 feet per second
Answer: B
Mathematics
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First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.4 ? 5
A. 22
B. 9
C. 22
D. 20
Mathematics
Set up the general equation from the given statement.The power P required to propel a ship varies as the cube of the speed s.
A. P = 
B. P = 
C. P = k
D. P = ks3
Mathematics
Write the first four terms of the sequence.an = n2 - 2
A. a1 = -1, a2 = 2, a3 = 7, a4 = 14 B. a1 = -1, a2 = -4, a3 = 7, a4 = 14 C. a1 = 7, a2 = 10, a3 = 11, a4 = 18 D. a1 = -1, a2 = 2, a3 = 5, a4 = 14
Mathematics
Complete the magic (addition) square.Use each number 34, 35, 36, 37, 38, 39, 40, 41, and 42 once.
A. 
B. 
C. 
D. 
Mathematics