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Audrae_World
 3 years ago
The Earth’s path around the Sun is elliptical, and the Sun is situated at one of the foci. If the Earth’s orbit can be represented by x^2/25 + y^2/16 = 1, where x and y are measured in 100 million miles, what is the distance from the center of Earth’s elliptical path to the sun?
A.)100 million miles
B.)200 million miles
C.)300 million miles
D.)400 million miles
Audrae_World
 3 years ago
The Earth’s path around the Sun is elliptical, and the Sun is situated at one of the foci. If the Earth’s orbit can be represented by x^2/25 + y^2/16 = 1, where x and y are measured in 100 million miles, what is the distance from the center of Earth’s elliptical path to the sun? A.)100 million miles B.)200 million miles C.)300 million miles D.)400 million miles

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dpaInc
 3 years ago
Best ResponseYou've already chosen the best response.1theyre looking for the distance from the center of the given ellipse to one of your foci... since c^2 = a^2  b^2 where a=5, b=4 can you find c and answer the question?

Audrae_World
 3 years ago
Best ResponseYou've already chosen the best response.0but that gave me 1,681

dpaInc
 3 years ago
Best ResponseYou've already chosen the best response.1c^2 = a^2  b^2 c^2 = 25  16 c^2 = 9 c = ???

Audrae_World
 3 years ago
Best ResponseYou've already chosen the best response.0Ohh I added, that's where I went wrong, but c=81

Audrae_World
 3 years ago
Best ResponseYou've already chosen the best response.0c = 3 3*100 million miles = 300 million miles?
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