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OpenStudy (bloomlocke367):
An ellipse has foci at (±4,0) and vertices at (±5,0). What is the eccentricity of the ellipse?
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OpenStudy (bloomlocke367):
I don't even know what eccentricity is...
OpenStudy (bloomlocke367):
wait... isn't the equation c/a? what's c and what's a?
OpenStudy (bloomlocke367):
@iGreen
OpenStudy (bloomlocke367):
@AnswerMyQuestions
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