Solve the problem.A circle has a radius of 12 centimeters. Find the area of the sector of the circle formed by an angle of  If necessary, round the answer to two decimal places.

A. 0.52 cm2
B. 2 cm2
C. 12.57 cm2
D. 6.28 cm2


Answer: D

Mathematics

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Find the midpoint of the line segment whose endpoints are given.

A.
B.
C.
D.

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Graph the numbers on the real number line.x < -7

A.

B.

C.
 
D.

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Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer. 

A.
B.
C.
D.

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Find the matrix product, if possible.

A.
B.
C.
D. Does not exist

Mathematics