Solve the exponential equation.3(10 - 2x) = 81

A. 5
B. -3
C. 3
D. 27


Answer: C

Mathematics

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Use a graphing calculator to solve the equation.2log4 + log x = 7

A. 1,439,115.6831 B. 625,000.0000 C. 1.60 × 108 D. 1,250,000.0000

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Determine the antilog, base e, of the given number. Round to the nearest ten-thousandth.-2.3444

A. 0.00452 B. 0.0959 C. 10.3527 D. -0.8520

Mathematics

Graph the function.y = -  cos 

A.

B.

C.

D.

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Solve the problem.Find the area of the Bermuda Triangle if the sides of the triangle have the approximate lengths 843 miles, 926 miles, and 1316 miles.

A. 513,632 square miles B. 491,378 square miles C. 1,552,627 square miles D. 388,157 square miles

Mathematics