Answered: The rectangular bird sanctuary with one…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Similar questions

1) Cindy has 185 feet of fencing to build a rectangular dog run. She plans to build it against an existing wall. This means that she will use the 185 feet of fencing to build only 3 sides, because the fourth side of the dog run will be a wall that already exists. a) Find the dimensions of the dog run that will maximize the floor area of the dog run. The shortest side is called the "width" and the longest side is called the "length". Type the exact answers as decimals. The desired width is The desired length is feet. The maximum floor area is feet. b) Find the maximum area of the dog run. Type the exact answer as a decimal. square feet.
11. A farmer wants to fence off a rectangular plot of ground with area 3000 ft² and divide the plot into three equal pens by running two lengths of fence parallel to one side of the plot. What is the least amount of total fencing that he can use?
8) A farmer wishes to enclose a rectangular area on three sides along a stream. The area needed for this enclosure is 180,000 square feet. Find the dimensions that minimize the amount of fencing material required to build this enclosure.

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The rectangular bird sanctuary with one side along a straight river is to be constructed so that it contains 8 km2 of area. Find the dimensions of the rectangle to minimize the amount of fence necessary to enclose the remaining three sides.