Solve the problem.A flagpole is perpendicular to the horizontal but is on a slope that rises 10° from the horizontal. The pole casts a 43-foot shadow down the slope and angle of elevation of the sun measured from the slope is 36°. How tall is the pole? Round your answer to the nearest 0.1 foot.
A. 35.4 ft
B. 36.4 ft
C. 33.5 ft
D. 36.2 ft
Answer: B
Mathematics
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Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.2x + 8 < 18
A. x > 5; (5, ?)
B. x < 5; (-?, 5)
C. x ? 5; [5, ?)
D. x ? 5; (-?, 5]
Mathematics
Rewrite as a radical expression and simplify if possible. Assume all variables represent nonnegative real numbers.(b7)2/7
A. b9/7 B. b1/7 C. b2 D. b2/49
Mathematics
The position vector of a particle is r(t). Find the requested vector.The velocity at t = 1 for r(t) = (6 - 3t2)i + (7t + 4)j - e-5tk
A. v(1) = -6i + 7j - 5e-5k B. v(1) = -6i + 7j + 5e-5k C. v(1) = -3i +7j + 5e-5k D. v(1) = 6i + 7j + 5e-5k
Mathematics
Find the LCM of the set of numbers.18, 24, 90
A. 432 B. 720 C. 360 D. 1080
Mathematics