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Mathematics 9 Online
OpenStudy (anonymous):

0 = -4.9t^2 + 78.6t - 175

OpenStudy (anonymous):

QF: quadratic formula... know it????

zepdrix (zepdrix):

Your equation is in this form: \[0=at^2+bt+c\] Use the quadratic formula to find solutions for t! :) \[t=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\]

OpenStudy (anonymous):

ohhh myyy gossh! I was trying to do it by factoring it!! I totally forgot a out this one! Thank You so Much Guys!!! :D

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