Solve the equation.b - 20.60 = 0

A. -19.60
B. -20.60
C. 19.60
D. 20.60


Answer: D

Mathematics

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Introduce slack variables as necessary, and write the initial simplex tableau for the problem.Find x1 ? 0 and x2 ? 0 such that 5x1 + 10x2 ? 12210x1 + 15x2 ? 139and z = 2x1 + 5x2 is maximized. 

A.  

B.  

C.  

D.  

Mathematics