When the firecracker hits the ground, H(t) = 0.0 = -16t^2 + 90t + 160 Using the quadratic formula,t = (-90 +- sqrt(90^2 - 4(-16)(160))) / 2(-16)t = -1.42 ort = 7.04
The negative time is extraneous. Therefore,t = 7.04 s.
Seven Seconds is your answer!
516.36 because the thousandth digit isn't above 5 so you don't round up
Answer:70
Step-by-step explanation:910/13=70 so he gives away 70 loafs of bread.
<h2>39/6 = 6.5</h2><h2 /><h2>6 hours 30 minutes</h2>
Answer:
Scalene
Step-by-step explanation:
Because all of the sides are different lengths