Write down all the prime numbers between 15 and 25
2 answers:
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Factoring, you have
h(t) = -16(t^2 -2 -8) = -16(t -4)(t +2)
The ball hits the ground when h(t) = 0, so
0 = -16(t -4)(t +2)
t = 4 or -2
The positive solution is the one of interest.
It will take 4 seconds for the ball to hit the ground.
h(t) = -16(t^2 -2 -8) = -16(t -4)(t +2)
The ball hits the ground when h(t) = 0, so
0 = -16(t -4)(t +2)
t = 4 or -2
The positive solution is the one of interest.
It will take 4 seconds for the ball to hit the ground.
Step 1. Simplify 
to 
Step 2. <span>Simplify
</span>
<span>
Done! Your answer is </span>
Step 2. <span>Simplify
</span>
<span>
Done! Your answer is </span>