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Mathematics 20 Online
OpenStudy (anonymous):

find the foci of each hyperbola.graph the hyperbola. x²/400 - y²/81=1

OpenStudy (anonymous):

@DanJS

OpenStudy (anonymous):

ima go eat ill be back

OpenStudy (danjs):

ok, well just watch this old video , like 3 min https://www.youtube.com/watch?v=BtlD6vstD7A

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