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Mathematics 23 Online
OpenStudy (anonymous):

An ellipse has foci (0, ±1) and vertices (0, ±2). What is the eccentricity of the ellipse? (1 point) 0 0.5 1 2

OpenStudy (anonymous):

@ganeshie8 ? :)

ganeshie8 (ganeshie8):

eccentricity of an ellipse is always GREATER than 0 and LESS than 1

ganeshie8 (ganeshie8):

only one of ur options falls in that range

OpenStudy (anonymous):

oh..so B? lol

ganeshie8 (ganeshie8):

or u may work the formula : \(\large e = \frac{c}{a} = \frac{1}{2} = 0.55\)

ganeshie8 (ganeshie8):

*0.5

ganeshie8 (ganeshie8):

yup ! B is the ansur :)

OpenStudy (anonymous):

sweet thanks:) i have some more, if you wanna help.. but ill open a new question so i can medal you for em:)

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