Solve the problem.If a projectile is fired at an angle ? and initial velocity v, then the horizontal distance traveled by the projectile is given by  Express D as a function of 2?.

A. D =  v2 sin 2?
B. D =  v2 sin 2?
C. D =  v2 cos 2?
D. D =  v2 sin 2?


Answer: D

Mathematics

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A. 143 m B. 154 m C. 77 m D. 23.8 m

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Find the product.7(-3b4)

A. -21b4 B. -21 + b4 C. 7 - 3b4 D. -10b4

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When possible, apply the distributive law and combine like terms.8a - 5b + 9 + 7b + 3a - 5

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Multiply.-6 ? (-9) ? (-17)

A. 71 B. -918 C. -32 D. 918

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