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OpenStudy (anonymous):
0 = -4.9t^2 + 78.6t - 175
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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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