Evaluate the given integral by changing to polar coordinates. D 2x2y da, where d is the top half of the disk with center the origin and radius 2.

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so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

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