Can somebody please help me with this question ?? :)
1 answer:
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The equation represents height as a function of time.
The bullet was in the air for 75 seconds.
The equation is given as:
The time spent in the air is the time it takes the bullet to land on the ground.
When the bullet is on the ground, the height is:
So, we have:
Factor out t
Split
or
represents when the shot is fired.
So, we solve for t in
Collect like terms
Divide both sides by 16
Hence, the bullet was in the air for 75 seconds
Read more about height and time at:
Answer:
Pr(3worker's comp cases and 4 Medicare patients) = 0.37879
Step-by-step explanation:
Number of worker’s comp cases = 6
Number of Medicare patients = 6
Total number of people = 6 + 6 = 12
Total number of ways of selecting 7 people from 12 people = 12C7
Total number of ways of selecting 7 people from 12 people =
Total number of ways of selecting 7 people from 12 people = 792 ways
Number of ways of selecting 3 worker's comp cases = 6C3
Number of ways of selecting 3 worker's comp cases =
Number of ways of selecting 3 worker's comp cases = 20 ways
Number of ways of selecting 4 Medicare patients= 6C4
Number of ways of selecting 4 Medicare patients =
Number of ways of selecting 4 Medicare patients = 15 ways
Pr(3worker's comp cases and 4 Medicare patients) = (15*20)/792
Pr(3worker's comp cases and 4 Medicare patients) = 300/792
Pr(3worker's comp cases and 4 Medicare patients) = 0.37879