Since we are looking for the time it takes for the stone to hit the ground, then it means that we set the height y to 0 ft.
y = -16t² + 486
0 = -16t² + 486
16t² = 486
t² = 30.375
t = 5.51 seconds
<span>It's because there are 4 numbers in 4325, and only 3 in 798.
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Answer:
12,651
Step-by-step explanation:
1.)subtract 4,677 from 8,664
2.)should give you 3,987(that on the the last month)
3.) then add 8,664 and 3,987
4.) 8,664+3,987=12,651
D.................................