kiyah311
21.05.2020 •
Mathematics
What is 451 rounded to the nearest hundred?
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Ответ:
500
Ответ:
10=-16t^2+25t+8
16t^2-25t+2=0
Using the quadratic formula for expediency...
t=(25±√497)/32, we want the time when it was falling so
t=(25+√497)/32
t≈1.48 seconds (to nearest hundredth of a second)