Solve the problem.Two recording devices are set 3600 feet apart, with the device at point A to the west of the device at point B. At a point on a line between the devices, 400 feet from point B, a small amount of explosive is detonated. The recording devices record the time the sound reaches each one. How far directly north of site B should a second explosion be done so that the measured time difference recorded by the devices is the same as that for the first detonation?
A. 1842.8 ft
B. 1754.99 ft
C. 914.29 ft
D. 4963.87 ft
Answer: C
You might also like to view...
Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.2x + 4x3/2 = t3 + t, y(t + 1) - 4t
= 25, t = 0
A. 10
B. - 
C. -5
D. -10
The following comparison line graph indicates the number of vehicles sold for a seven week period by two different salespeople. Use the graph to answer the question.
During what week did Pat sell the most number of vehicles?
A. Week 5 B. Week 1 C. Week 3 D. Week 7
Find an equation of variation for the given situation.y varies inversely as x and y = 36 when x = 
A. y = 
B. y = 
C. y = 
D. y = 
Solve the system by the addition method.4x2 - 4y2 = -483x2 + 2y2 = 44
A. {(-2, -4), (-4, -2)} B. {(2, -4), (2, 4)} C. {(2, 4), (4, 2), (-2, -4), (-4, -2)} D. {(2, 4), (-2, 4), (2, -4), (-2, -4)}