Use graphical methods to solve the linear programming problem.Minimize z = 4x + 5y subject to: 2x - 4y ? 10 2x + y ? 15 x ? 0 y ? 0
A. Minimum of 20 when x = 5 and y = 0
B. Minimum of 75 when x = 0 and y = 15
C. Minimum of 39 when x = 1 and y = 7
D. Minimum of 33 when x = 7 and y = 1
Answer: D
Mathematics
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Find x in the figure.
A. 
B. 10
C. 10
D. 
Mathematics
Use the multiplication principle of equality to eliminate the fractions or decimals; then solve.
x + 
= 
x + 
A. 1 B. -2 C. -1 D. 2
Mathematics
Graph the line containing the point P and having slope m.P = (2, -8); m = - 
A. 
B. 
C. 
D. 
Mathematics
Solve. Write the answer as a mixed number in simplest form.Find the area of the square.
A. A = 6
sq. yd
B. A = 108
sq. yd
C. A = 21
sq. yd
D. A = 10
sq. yd
Mathematics