Solve the equation.x - 5 = - x

A. {5}
B. {-5}
C. {-7}
D. {7}


Answer: A

Mathematics

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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to . The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.

A. ?
B. ?
C. ?
D. 2?

Mathematics

Use the change-of-base formula to find the logarithm. Round your answer to four decimal places.  log5 0.664

A. -0.1778 B. -3.9305 C. 7.5301 D. -0.2544

Mathematics

Solve the problem.Let D be the region that is bounded below by the cone  and above by the sphere  Set up the triple integral for the volume of D in spherical coordinates.

A.
B.
C.
D.

Mathematics

Solve the equation. Round any irrational solutions to the nearest thousandth.x3 + x2 + x - 4 = 0

A. 1.151 B. 1.156 C. -1 D. -1.151

Mathematics