If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
-4
A. -6561
B. -729
C. 729
D. 6561
Answer: D
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Solve the problem.A sidewalk 8 feet wide is to be built around a rectangular garden of perimeter 1600 feet. The sidewalk will make circular sectors of 8-foot radius at the vertices of the rectangle. Find the area that will be covered by the sidewalk. Give an exact answer.
A. (12800 + 64 ?) ft2 B. (12800 + 128?) ft2 C. (6400 + 64 ?) ft2 D. (12800 + 256 ?) ft2
For the given figure the hexagon is regular and the shaded regions are rhombi.
(a) Describe the rotational symmetries of the figure or explain why none exist.
(b) Sketch the lines of symmetries on the figure or explain why none exist.
Locate any intercepts of the function.
A. (0, 0), (0, 1) B. (0, 0) C. (0, 0), (1, 0) D. none
Solve the problem.A coin is tossed upward from a balcony 250 ft high with an initial velocity of 48 ft/sec. During what interval of time will the coin be at a height of at least 90 ft? (h = -16t2 + vot + ho.)
A. 0 ? t ? 1 B. 5 ? t ? 10 C. 0 ? t ? 5 D. 4 ? t ? 5