Solve the problem.Water is falling on a surface, wetting a circular area that is expanding at a rate of  How fast is the radius of the wetted area expanding when the radius is  (Round your answer to four decimal places.)

A. 0.0132 mm/s
B. 477.5217 mm/s
C. 0.0042 mm/s
D. 0.0021 mm/s


Answer: D

Mathematics

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Solve the system to the nearest 0.1 for each variable by using a graphing calculator.2.0v = 4.7t3.4t - 3.9v = -2.6

A. v = 1.0; t = 0.7 B. v = 1.2; t = 0.3 C. v = 1.1; t = 0.5 D. v = 0.9; t = 0.6

Mathematics

Draw the next figure in the pattern.

A.

B.

C.

D.

Mathematics

Find the area of the figure.

A. 88 m2 B. 966 m2 C. 483 m2 D. 44 m2

Mathematics

Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 - 2x - 48

A. (x + 8)(x - 6) B. (x - 8)(x + 6) C. prime D. (x - 48)(x + 1)

Mathematics