Solve.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 21 minutes requires 16.8 gallons of water. Find the amount of water used in a shower lasting 10 minutes.
A. 7.2 gallons
B. 8.8 gallons
C. 8 gallons
D. 210 gallons
Answer: C
Mathematics
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Evaluate the following improper integral whenever it is convergent.
?
?
A. 4 B. 10 C. 2 D. 5 E. the integral is divergent
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Express as a product of prime factors.175
A. 25 ? 7 B. 25 ? 5 C. 72 D. 52 ? 7
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Solve.
A. (1, 5) B. (-1, 10), (-5, 30) C. (-1, 0), (-5, -20) D. (1, 10), (5, 30)
Mathematics