What are the questions on 7 and 8?
0=40-10t-5t^2
t^2+2t-8=0
(t+4)(t-2)=0
t=-4 (not a solution) or t=2
Answer: after 2 seconds
Answer:
1600/49
Step-by-step explanation:
5 5/7 = 40/7
40/7 * 40/7 = 1600/49
Answer:
$5.30
Step-by-step explanation:
$16.50 = (3)p
[p = pizza]
To solve you have to separate the p by removing the (x3)
1) Divide both sides of the equation by 3
[ 16.50 / 3 = p}
2) Divide 16.50 by 3
[5.30]
3) 5.30 = p