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DochEvi [55]
3 years ago
11

The cost of maintaining a water reservoir is c(W)=80 square root w hundred dollars, where w is the depth of the water in the res

ervoir (in feet). The depth of the water changes with the monthly rainfall. When monthly rainfall is 8 inches per month, the depth of the water is increasing by 1.75 feet per month. How fast is the cost increasing when monthly rainfall is 8 inches and the depth of the water is 5 feet? (Answers are rounded to the nearest hundred dollar.)
Mathematics
1 answer:
dimulka [17.4K]3 years ago
7 0

Answer:

gdsfff

Step-by-step explanation:

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164.32 earth year

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distance of Neptune, Rn = 4.5 x 10^9 km

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let the time period of Neptune is Tn.

According to the Kepler's third law

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Thus, the neptune year is equal to 164.32 earth year.

Step-by-step explanation:

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