Solve the equation for the specified variable.P = 
for r
A. r = 
B. r = 
C. r = 
D. r = P - tA
Answer: B
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Rewrite as a terminating decimal.
A. 0.008 B. 0.592 C. 2.96 D. 5.92
Solve the equation.
= y - 2
A. 
B. {-5}
C. {5}
D. {3}
In the LORAN (LOng RAnge Navigation) radio navigation system, two radio stations located at A and B transmit simultaneous signals to a ship or an aircraft located at P. The onboard computer converts the time difference in receiving these signals into a distance difference |A| - |B|, and this, according to the definition of a hyperbola, locates the ship or aircraft on one branch of a hyperbola (see the figure). Suppose that station B is located L = 480 mi due east of station A on a coastline. A ship received the signal from B 1280 microseconds (?S) before it received the signal from A. Assuming that radio signals travel at a speed of 1000 ft/?S and if the ship is due north of B, how far off the coastline is the ship? Round your answer to the nearest mile. Select the correct answer.
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Complete.6000 lb = 
T
A. 2
B. 4
C. 3
D. 3