Mathematics, 23.01.2021 03:40 alarimer3695
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17.) The optimal depth for a certain reservoir is between 50 and 60 feet (inclusive). Its depth
reached a maximum of 64 feet on March 1, and then began to decrease at a rate of 0.5 foot per
week. The inequality below can be solved for n, the number of weeks after March 1st for which
the reservoir will be at optimal depth.
50 S 64 -0,5n 5 60
According to this inequality, which of the following is a true statement?
A. The reservoir will be at optimal depth for 20 weeks.
B. The reservoir will not reach optimal depth until October,
C. The reservoir will take over a year to reach optimal depth
D. The reservoir will be at optimal depth 6 weeks after March 1st,
Answers: 2
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17.) The optimal depth for a certain reservoir is between 50...
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