Solve the problem.Find the area of a sector of a circle of radius 10 inches formed by a central angle of 60°. Round your answer to two decimal places.

A. 5.24 sq in.
B. 52.36 sq in.
C. 10.47 sq in.
D. 104.72 sq in.


Answer: B

Mathematics

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A. (2a - b)(2a + b) B. (2a - b)2 C. (2 - b)(2 + b) D. (2b - a)(2b + a)

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For the complex fraction, determine the LCD of all the fractions appearing within the expression.

A. 8x(x + 6)2 B. x(x + 6)(x - 4) C. 8x(x + 6)(x - 4) D. 8x2(x + 6)(x - 4)

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Find the expected value for the random variable x having this probability function.

A. 45 B. 55 C. 50 D. 50.5

Mathematics