Multiply 120 times .7 because you just Turn the percent into a decimal
Answer:
-2.125
Step-by-step explanation:
The equation is h=-16t²+40t+5.The ball will hit the ground when h=0. So:
0=-16t²+40t+5
16t²-40t-5=0
Using the quadratic formula, we get a positive value for t of <span>2.61930639376 seconds.
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The answer is 22. Work: n=3 and 3 to the second power would be 9 because 3x3=9 and 9+13=22. Hope I could help! Tell me if i’m wrong though!
1. she saves $6.75
2.40-2n=36
3.9+2*3-3*2=9