An island is 6miles from the nearest point on a straight shoreline, that point is 15 miles from a power station. A utility company plans to lay electrical cable underwater from the island to the shore and then underground along the shore to the power station. Assume that it costs $3000/mile to lay cable underwater and $1800/mile to lay cable underground. At what point should the underwater cable meet the shore to minimize the cost of the project?
An island is 6miles from the nearest point on a straight shoreline, that point is 15 miles from a power station. A utility company plans to lay electrical cable underwater from the island to the shore and then underground along the shore to the power station. Assume that it costs $3000/mile to lay cable underwater and $1800/mile to lay cable underground. At what point should the underwater cable meet the shore to minimize the cost of the project?
Chapter9: Quadratic Equations And Functions
Section9.5: Solve Applications Of Quadratic Equations
Problem 9.79TI: MaryAnne just returned from a visit with her grandchildren back east. The trip was 2400 miles from...
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An island is 6miles from the nearest point on a straight shoreline, that point is 15 miles from a power station. A utility company plans to lay electrical cable underwater from the island to the shore and then underground along the shore to the power station. Assume that it costs $3000/mile to lay cable underwater and $1800/mile to lay cable underground. At what point should the underwater cable meet the shore to minimize the cost of the project?
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