What percentage of the figure is shaded? Round to the nearest tenth of a percent, when necessary.

A. 18.8%
B. 37.5%
C. 68.8%
D. 34.4%


Answer: D

Mathematics

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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = cos x

A. - cos(cos x) sin x B. cos x sin x C. - cos x sin x D. sin(cos x) sin x

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Factor completely.9y4 - 4

A. (3y2 + 2)2 B. (3y2 - 2)2 C. (3y2 + 2)(3y2 - 2) D. (9y2 + 1)(y2 - 4)

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Give an appropriate answer to the question.A connected graph has 27 vertices and 38 edges. How many edges must be removed to form a spanning tree for the graph?

A. 37 B. 10 C. 11 D. 12

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Answer the question.Mr. Rivera opened a package of 150 drinking cups for his restaurant. During the day, 97 cups were used. What fraction of the package of cups was used? Express the result using a simple, convenient fraction that is close in value to the exact answer.

A.
B.
C.
D.

Mathematics