Solve the problem.A vertical right circular cylindrical tank measures 20 ft high and 10 ft in diameter. It is full of oil weighing   How long will it take a 1/2 hp pump, rated at  to pump the oil to the level of the top of the tank? Give your answer to the nearest minute.

A. 57 min
B. 18 min
C. 3427 min
D. 114 min


Answer: A

Mathematics

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Evaluate the definite integral. 

A. 114.1336 B. 1.7833 C. 14.2667 D. 2.5739

Mathematics

Solve the problem.Janet drove 316 kilometers and the trip took 4 hours. How fast was Janet traveling?

A. 80 kph
B.  kph
C. 79 kph
D. 1264 kph

Mathematics

Solve the system of equations by substitution.

A. x = -100, y = 27; (-100, 27) B. x = 100, y = -27; (100, -27) C. x = 100, y = 27; (100, 27) D. x = -100, y = -27; (-100, -27)

Mathematics

Write the mixed number as an improper fraction.5

A.
B.
C.
D.

Mathematics