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Elanso [62]
2 years ago
5

A small resort is situated on an island off a part of the coast of Mexico that has a perfectly straight north-south shoreline. T

he point P on the shoreline that is closest to the island is exactly 6 miles from the island. Ten miles south of P is the closest source of fresh water to the island. A pipeline is to be built from the island to the source of fresh water by laying pipe underwater in a straight line from the island to a point Q on the shoreline between P and the water source, and then laying pipe on land along the shoreline from Q to the source. It costs 2.2 times as much money to lay pipe in the water as it does on land. How far south of P should Q be located in order to minimize the total construction costs?
Mathematics
1 answer:
topjm [15]2 years ago
4 0
 1.7*(x2+9)0.5+(10-x)=min

Also, the 2 is an exponent.
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