Find the average value of the function f over the region R.f(x, y) = 5x + 10yR is the triangle with vertices , and  .

A. 20
B.
C. 5
D.


Answer: A

Mathematics

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Solve the problem.Set up the triple integral for the volume of the sphere  in rectangular coordinates.

A. 8
B.
C. 8
D.

Mathematics

Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.log 107

A. 7 B. 10 C. 107 D. log 7

Mathematics

Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.cos2 x + cos x - 1 = 0

A. {51.8°, 308.2°} B. {49.8°, 130.2°, 229.8°, 310.2°} C. {70.5°, 109.5°, 180°} D. {103.2°, 145.2°, 283.2°, 325.2°}

Mathematics

Solve for x.|0.4x + 0.3| ? 2

A. x ? -5.75 or x ? 4.25 B. -5.75 ? x ? 4.25 C. -4.25 ? x ? 5.75 D. x ? -4.25 or x ? 5.75

Mathematics