The tree in the illustration casts a shadow feet long while a person feet tall casts a shadow feet long. Find the height of the tree.

?

?

A.


B.


C.


D.


E.



Answer: C

Mathematics

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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.y = 7x2, y = 7

A. ?
B. ?
C. ?
D. ?

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Find the present value of the given annuity. Round to the nearest cent.Payments of $490 made annually for 13 years at 6% compounded annually

A. $4337.81 B. $4554.55 C. $4108.06 D. $4336.26

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Give the center and radius of the circle. Then sketch its graph.(x + 5)2 + (y - 4)2 = 16

A. center (- 5, - 4), r = 4

B. center (5, - 4), r = 4

C. center (5, 4), r = 4

D. center (- 5, 4), r = 4

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Solve the equation.(-5x - 5)2 = -10(-5x - 5) - 16

A.
B.
C. {-2,-8}
D.

Mathematics