Find the perimeter of the figure.

A. 22 yd
B. 24 yd
C. 30 yd
D. 23 yd


Answer: C

Mathematics

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If nylon is $15 per square yard, how much would the fabric cost to make a triangular sail with a base of 18 feet and a height of 30 feet? 

A. $450 B. $2,025 C. $225 D. $8,100 E. $4,050

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Find the center of mass of a thin plate covering the given region with the given density function.The region enclosed by the parabolas y = 8 - x2  and y = x2, with density ?(x) = x2

A.  = 4,  = 0
B.  = 0,  = 
C.  = 0,  = 4
D.  = 0,  = 8

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Evaluate the expression.(-2)0

A. 0 B. 1 C. -2 D. -1

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Simplify the expression by using a sum or difference identity.cos (53°) cos(47°) + cos(-37°) sin(-47°)

A. 0 B. cos 100° C. 1 D. sin 100°

Mathematics