Respuesta :
The correct option is (C)
What is equation?
An equation is a mathematical expression that contains an equals symbol.
Given:
Sound travels= 1100 feet per second
Stations are 2 miles apart from each other, i.e., 10560 feet.
Using,
x²/a² + y²/b²=1
So, 2c= 10560
c=5280
and, 2c-2a +3300 = 10560
2a= 3300
a= 1650
So, b²= c² - a²= 25155900
x²/2722500 + y²/25155900=1
Learn more about equation here:
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