Solve the problem.A 4.1-ft fence is 11.143 ft away from a plant in the direction of the sun. It is observed that the shadow of the fence extends exactly to the bottom of the plant. (See drawing) Find ?, the angle of elevation of the sun at that time. Round the measure of the angle to the nearest tenth of a degree.
A. ? = 20.4°
B. ? = 21.6°
C. ? = 20°
D. ? = 20.2°
Answer: D
Mathematics
You might also like to view...
Solve the problem.A skeet shooter starts parallel to the horizon, rotates 171° counterclockwise and fires a skeet at 5.5 mph. To the nearest tenth, what are the components of the skeet's velocity?
A. 0.9 mph, -5.4 mph B. -170.2 mph, -16.4 mph C. 170.2 mph, 16.4 mph D. -0.9 mph, 5.4 mph
Mathematics
Find the exact value of the expression.cos-1 
A. 
B. 
C. 
D. 
Mathematics
Use the elimination method by addition to find the solution for the following system.
A. x = -3, y = 6, z = 6 B. x = 3, y = 8, z = 6 C. x = 3, y = 6, z = 8 D. The system is inconsistent.
Mathematics
Solve the equation and check the solution.5(3x - 1) + 8(-5 + 2x) = 5(6x + 5) - 6
A. x = -26 B. x = 0 C. x = 6 D. x = 64
Mathematics