Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest whole number.A cone with height 3 in. and radius 8 in.

A. 201 in.3
B. 50 in.3
C. 402 in.3
D. 301 in.3


Answer: A

Mathematics

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Complete the identity.sin 5x sin 8x cos 5x cos 8x = ?

A.
B. cos2 80x
C.
D.

Mathematics

Graph the function.f(x) = 

A.

B.

C.

D.

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Use a proportion to solve the problem.In baseball, the average number of earned runs given up by a pitcher in 9 innings is the pitcher's earned run average, ERA. For example, if a player gave up 90 earned runs in 250 innings during one year, his ERA is found by solving the proportion  Find the ERA for a player who, in one year, gave up 105 earned runs in 236 innings. Round your answer to the nearest hundredth.

A. 2.25 B. 20.29 C. 3.99 D. 11.67

Mathematics

Identify the x- and y-intercepts of the following.

A. (-4, 0) (0, 2) B. No x-intercept (0, 2) C. (2, 0) (0, -4) D. (-4, 2) (-2, 4)

Mathematics