Find the area of the region.Round to the nearest hundredth of a square foot.

A. 6.26 ft2
B. 14.69 ft2
C. 12.51 ft2
D. 25.02 ft2


Answer: C

Mathematics

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Solve the problem.A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line  about the y-axis. Find the volume of the cylinder.

A. ?rh B. 2?r2h C. ?rh2 D. ?r2h

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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = 4t

A. 4t
B.
C.
D.  

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Solve the systems of equations by the addition method. 

A.
B. {(7, 28)}
C. no solution; ?
D. {(2, 4)}

Mathematics

Simplify

Mathematics