Solve the problem.The string on a balloon is 36 millimeters long. What is this length measured in centimeters? Round to the nearest tenth, if necessary.

A. 3.6 cm
B. 360 cm
C. 0.4 cm
D. 3600 cm


Answer: A

Mathematics

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Find the flux of the curl of field F through the shell S.F = 2yi + 5xj + cos(z)k ; S: r(r,?) = 5 sin ? cos ?i + 5 sin ? sin ?j + 5 cos ?k, 0 ? ? ? 2? and 0 ? ? ? 

A. 75 B. 75? C. 150? D. -150?

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Factor the polynomial.4c2 + 8cd + 4d2 - 64f2

A. 4((c + d)2 + 4f)((c + d)2 - 4f) B. (c + d + 4f)(c + d - 4f) C. 4(c + d + 4f)(c + d - 4f) D. ((c + d)2 + 4f)((c + d)2 - 4f)

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Graph the cycloid for t in the indicated interval.x = 3(t - sin t), y= 3(1 - cos t), 0 ? t ? 6?

A.

B.

C.

D.

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Solve the problem.A brick staircase has a total of 19 steps The bottom step requires 101 bricks. Each successive step requires 4 less bricks than the prior one. How many bricks are required to build the staircase?

A. 1197 bricks B. 1235 bricks C. 2603 bricks D. 2470 bricks

Mathematics