Answer:
For this case we have the following quadratic equation:
Where,
t: time
s: height of the ball
By the time the height is 20 feet we have:
Rewriting the polynomial we have:
Using the quadratic formula we have:
Substituting values we have:
Doing the calculations we have the roots are:
Answer:
the time when the football will be 20ft above the ground is:
B) 0.73 seconds or 1.46 seconds
Step-by-step explanation:
Step-by-step explanation:
Hope this is correct
Have a good day!
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For #4 the answer is = because if u put 1/50 in decimal u would get 0.02