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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9/10 equals 0.9 , 2/7 equals about 0.28 . So 0.9 - 0.28 = 0.62 if you need .62 in a fraction it's 31/50
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Step-by-step explanation:
hmmm
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I can't see all the options but just go horizontally to the left 4 then vertically 3 up
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Step-by-step explanation:
The terms are the addends in the sum:
x, y, z
