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Mathematics 9 Online
OpenStudy (anonymous):

1/9x^2+11/3x=126 whats a safe speed x for a car for a stopping distance of 126 feet

hero (hero):

So we're just solving for x, here apparently

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

we are solving for a safe speed

hero (hero):

Okay, In my opinion, the way to tackle this one is to set it up in a way that would allow you to cross multiply.

hero (hero):

I don't know any other approach

hero (hero):

Wait, let me set that up again. I made a slight mistake.

hero (hero):

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