Rationalize the denominator and simplify.

A.
B.
C.
D.


Answer: C

Mathematics

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Use the compound interest formulas A = Pnt and  to solve.Find the accumulated value of an investment of $11,000 at 6% compounded semiannually for 7 years.

A. $16,638.49 B. $15,620.00 C. $13,528.61 D. $16,539.93

Mathematics

Solve by the substitution method.-7x + 25 = 9y-3x - 3y = -9

A. {(x, y)|-7x + 25 = 9y} B. {(1, 2)} C. {(0, 3)} D. ?

Mathematics

Evaluate the integral . ? 

A.
B.
C.
D.
E.

Mathematics

Solve the problem.An appliance company determines that in order to sell x dishwashers, the price per dishwasher must bep = 720 - 0.3x.It also determines that the total cost of producing x dishwashers is given byC(x) = 4000 + 0.7x2.What price must be charged per dishwasher in order to maximize profit?

A. $612 B. $1224 C. $652 D. $632

Mathematics