hw3-1 - Bituminous 7x 5y> 75 y>-7/5)x 15*When filling...

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Math 1160 – Section 3.1 Answer Key 4. Yes – The point is in the feasible set. (*Do not graph the inequalities. Plug the coordinates of the point into all inequalities and see if the point makes all inequalities true.) 6a. Mine 1 Mine 2 Ordered Anthracite 4 tons 10 tons 80 tons Ordinary 4 tons 5 tons 60 tons Bituminous 7 tons 5 tons 75 tons Daily Cost $150 $200 6b. Anthracite: 4x + 10y > 80 OR y > (-2/5)x + 8 Ordinary: 4x + 5y > 60 y > (-4/5)x + 12
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Unformatted text preview: Bituminous: 7x + 5y > 75 y > (-7/5)x + 15 (*When filling an order, the order amount is a minimum .) 6c. x > 0, y > 0 6d. 150x + 200y = operating costs 6e. Feasible Set of Solutions 10a. Denim Hooded Fleece Available Cutting 2 hours 1 hour 42 hours Sewing 2 hours 4 hours 90 hours Finishing 1 hour 1 hour 27 hours Profit $9 $5 10b. Cutting: 2x + y < 42 OR y <-2x + 42 Sewing: 2x + 4y < 90 y < (-1/2)x + 22.5 Finishing: x + y < 27 y < -x + 27 (*Labor hours denote a maximum available for use.) 10c. x > 0, y > 0 10d. 9x + 5y = profit 10e. FS...
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hw3-1 - Bituminous 7x 5y> 75 y>-7/5)x 15*When filling...

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