If ,  calculate the value of .
?

A. 185.27
B. 613.71
C. 187.82
D. 402.27

Answer: D

Mathematics

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Evaluate the integral by using multiple substitutions. dx

A. (1 + sin2 x)3/2 + C
B.  + C
C. (1 + cos2 (x - 10))3/2 + C
D. (1 + sin2 (x - 10))3/2 + C

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Mathematics

Solve the problem.The hydrogen ion concentration of a substance is about 8.7 × 10-7 moles per liter. Find the pH. Round to the nearest tenth. Use the formula pH = -log [H+].

A. 6.5 B. -7.9 C. 6.1 D. 7.9

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Mathematics

Determine if matrix A is invertible.A = 

A. Not invertible B. Invertible

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Solve the equation.4(3x - 5 ) = 256

A. {128}
B.
C. {3}
D. {-3}

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Mathematics