Solve the problem.A plane flying a straight course observes a mountain at a bearing of 30.1° to the right of its course. At that time the plane is 
from the mountain. A short time later, the bearing to the mountain becomes 40.1°. How far is the plane from the mountain when the second bearing is taken (to the nearest tenth of a km)?
A. 14.6 km
B. 7.8 km
C. 5.2 km
D. 12.8 km
Answer: B
You might also like to view...
Find the eigenvalues and the corresponding eigenvectors 
What will be an ideal response?
Solve each problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs 
for two opposite sides, and 
for the other two sides. Find the dimensions of the field of area 
that would be the cheapest to enclose.
A. 15.7 ft @ $7 by 54.9 ft @ $2 B. 8.4 ft @ $7 by 102.6 ft @ $2 C. 54.9 ft @ $7 by 15.7 ft @ $2 D. 102.6 ft @ $7 by 8.4 ft @ $2
Find the horizontal asymptote, if any, of the rational function.f(x) = 
A. y = 0 B. y = 3 C. y = 4 D. None
Solve.In an electric circuit, the electromotive force is defined as 
where t is time in seconds. Solve the equation for t.
A. t = 2? cos V
B. t = 
Arccos V
C. t = 
cos V
D. t = 2? Arccos V