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amd123
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Homework Statement
6x^2-6xy+14y^2-45=0
Two recording devices are set 2400 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?
Homework Equations
I know the standard form of a hyperbola and I know that you have to use cot 2X = 4/3.
I don't know where to go from there.
The Attempt at a Solution
I've attempted the problem multiple times but I don't have my digi cam to take pictures of it.