The cost of laying a fibre optic cable underwater is 3 times that of underground. An island is 4 km from point S on the shore and a broadcast station, B, is 14 km along the shore, perpendicular to S. How should the cable be laid to keep cost to a minimum?
The cost of laying a fibre optic cable underwater is 3 times that of underground. An island is 4 km from point S on the shore and a broadcast station, B, is 14 km along the shore, perpendicular to S. How should the cable be laid to keep cost to a minimum?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 5P
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The cost of laying a fibre optic cable underwater is 3 times that of underground. An island is 4 km from point S on the shore and a broadcast station, B, is 14 km along the shore, perpendicular to S. How should the cable be laid to keep cost to a minimum?
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