Answer:all lines are straight
Step-by-step explanation:
Jay is wrong about his claim
Hello i saw you question and I knew the answer was this, it is a fraction
z= v-83
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c+t-6
Attached is one version.
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The key is that 9 must go in the middle.
when the equation has a value of 0 of course the coin lands, so we need to find what x leads to that value.
-16x^2-16x+60=0
We can first divide by 4 on both sides.
-4x^2-4x+15=0
Now multiply -1
4x^2+4x-15=0
(2x-3)(2x+5)=0
x=3/2 or -5/2
But because how many seconds have to be positive, x=-5/2 is an extraneous solution.
The time it have to stay in the air is 3/2 seconds.