Solve the linear programming problem.Maximize 2x1 + 5x2subject to 3x1 + 2x2 ? 6 -2x1 + 4x2 ? 8and x1 ? 0, x2 ? 0
A. Maximum = 4 when x1 = 2 and x2 = 0
B. Maximum = 
when x1 = 
and x2 = 
C. Maximum = 15 when x1 = 0 and x2 = 3
D. Maximum = 
when x1 = 
and x2 = 
Answer: D
Mathematics
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Determine the measure of the interior angle at vertex A.
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Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = 0?
A. 0, 1, 2
B. 
, 
C. 0, ?, 2?
D. 0, 1
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Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what is the unit cost for 40 units?
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Mathematics
Write the system of linear equations that the augmented matrix represents.
A.
| 5x | - 2y | = -2 |
| 6x | - 8y | = 8 |
B.
| -2x | + 5y | = -2 |
| 6x | - 8y | = 8 |
C.
| 5x | - 2y | = -2 |
| -8x | + 6y | = 8 |
D.
| 5x | - 2y | = 2 |
| 6x | - 8y | = -8 |
Mathematics