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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
 one year ago
 one year 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
 one year ago
 one year ago

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dpaIncBest ResponseYou've already chosen the best response.1
theyre 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?
 one year ago

Audrae_WorldBest ResponseYou've already chosen the best response.0
but that gave me 1,681
 one year ago

dpaIncBest ResponseYou've already chosen the best response.1
c^2 = a^2  b^2 c^2 = 25  16 c^2 = 9 c = ???
 one year ago

Audrae_WorldBest ResponseYou've already chosen the best response.0
Ohh I added, that's where I went wrong, but c=81
 one year ago

Audrae_WorldBest ResponseYou've already chosen the best response.0
c = 3 3*100 million miles = 300 million miles?
 one year ago

dpaIncBest ResponseYou've already chosen the best response.1
yes... you got it... :)
 one year ago
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