Multiply.5x-1/2(3x4 - x1/2)

A. 15x7/2 - 5x
B. 15x7/2 - 5
C. 15x7/2 - x
D. 15x7/2 - 1


Answer: B

Mathematics

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What part of the set of objects is shaded?

A.
B.
C.
D.

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Multiply.-6x2(-11x4 + 10x2)

A. 66x6 - 60x4 B. 6x6 + 6x4 C. 6x2 D. 66x6 + 10x2

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Solve the problem.A tower is supported by a guy wire  long. The wire makes an angle of  with respect to the ground, and the distance from the point where the wire is attached to the ground and the tower is  Approximate the height of the tower to the nearest tenth of a foot.

A. 614.1 ft B. 435.2 ft C. 574.6 ft D. 486.1 ft

Mathematics