Mark M. answered 11/14/16
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
592 = -16t2 + 64t + 512
0 = -16t2 + 64t - 80 subtract 592 form both sides
0 = t2 - 4t + 5 divide both sides by -16
Can you solve for t?