Provide an appropriate response.A vertical 75-ft pole is placed on a hill that is inclined 12° to the horizontal. How long a guy wire is needed if the guy wire is placed 6 ft from the top of the pole and attached to the ground at a point 28 ft uphill from the base of the pole?
A. 71.49 ft
B. 75.97 ft
C. 27.57 ft
D. 49.14 ft
Answer: A
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Find div F.F(x, y, z) = (-8y - 2z)i + (-9x - 2z)j + (-9x - 8y)k
A. -16 - 18 - 4 B. 0 C. -16 - 4 D. -16 - 18
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 5440 R1 B. Incorrect; should be 5440 R2 C. Correct D. Incorrect; should be 5439
Provide an appropriate response.Kilowatt readings were taken for the months of June at 1,520, July at 1,358, August at 1,298, September at 1,805, and October at 965. Round each amount to the nearest thousand to identify the months with the most similar power usage.
A. June 2, July 1, August 1, September 2, October 1 B. June 2,000, July 1,000, August 1,000, September 2,000, October 1,000 C. June 2,000, July 1,000, August 1,000, September 2,000, October 900 D. June 1,000, July 1,000, August 2,000, September 2,000, October 1,000
Solve the inequality, giving its solution set in both interval and graph forms.2x - 4 > -14
A. (-10, ?)
B. (-?, 5)
C. 
D. (-5, ?)