Simplify the expression.-2/3

A.
B.  
C.  
D.  


Answer: B

Mathematics

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Solve the problem.A satellite dish has a parabolic cross section and is 10 ft deep. The focus is 4 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.

A. 25 ft B. 29 ft C. 27 ft D. 33 ft

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Solve the problem.A child on a swing sweeps out a distance of 20 ft on the first pass. If she is allowed to continue swinging until she stops, and if on each pass she sweeps out a distance  of the previous pass, how far does the child travel?

A. 100 ft B. 80 ft C. 60 ft D. 40 ft

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Solve the problem.Suppose that the dollar cost of producing x radios is  Find the average cost per radio of producing the first 40 radios.

A. $280.00 B. $7.00 C. $80.00 D. $230.00

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Provide an appropriate response.Five boards 3 inches long are cut from a piece of board that is 41 inches long. Allow  inch waste for each cut. What was the length of the piece left?

Fill in the blank(s) with the appropriate word(s).

Mathematics