Solve the problem.If x varies inversely as y2, and x = 2 when y = 20, find x when y = 5.

A. 16
B. 50
C. 4
D. 32


Answer: D

Mathematics

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Write the first four terms of the sequence.{3n}

A. 9, 27, 81, 243 B. 1, 3, 9, 27 C. 1, 8, 27, 64 D. 3, 9, 27, 81

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Find the exact value of the square root without a calculator.

A. 121
B.
C. 11
D.

Mathematics

Solve.Throw Me for a Loop Bagels determines that it costs them  dollars to make x dozen bagels in one day. Find the equivalent expression for C(x) by factoring out .

A. (150 + x - 0.1x2)
B. - (150 - x + 0.1x2)
C. (150 - x - 0.1x2)
D. x(150 - 0.1x)

Mathematics

Find the following.Find -(-x) when x = - .

A.
B. - 
C.
D. - 

Mathematics