Add.-42 + (-6)

A. 48
B. -48
C. -36
D. 36

Answer: B

Mathematics

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Solve the problem.A company determines that its cost (in dollars) of producing x machine parts is given by  and that its revenue (in dollars) for selling x machine parts is given by . Write a system of inequalities that would represent the profit region for producing x machine parts. Then graph the system. 

A. C ? 0.2x2 + 2
R ? 12x - 0.2x2

B. C ? 0.2x2 + 2
R ? 12x - 0.2x2

C. C ? 0.2x2 + 2
R ? 12x - 0.2x2

D. C ? 0.2x2 + 2
R ? 12x - 0.2x2

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Mathematics

Write the percent as a decimal. Round to the nearest thousandth if the division does not terminate.5%

A. -0.06 B. 0.5 C. 0.05 D. 0.005

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Mathematics

Solve.49x2 + 84x + 11 = 0

A. - , - 
B. - , 
C. , 
D. - , - 

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Mathematics

Use the given feasible region determined by the constraint inequalities to find the minimum possible value of the objective function.f = 4x + 3y subject to the constraints 

A. 0 B. 26 C. 24 D. 21

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Mathematics