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iragen [17]
3 years ago
10

Due today helpppppppp meeeeeeeee

Mathematics
1 answer:
nadezda [96]3 years ago
5 0
It’s the second one t=3s
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Step-by-step explanation:

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3 years ago
a disc is thrown into the air with an upward velocity of 62 ft/s.its height h in feet after t seconds is given by the function h
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Given that the height of the disc is modeled by the function:
h=-16t^2+20t+6
a] The maximum height will be as follows:
At maximum height:
h'(t)=0
from h(t)
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thus the maximum height will be:
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b] <span>How long will it take the disc to reach the maximum height?
</span>time taken to reach maximum height will be:
from h(t)
h'(t)=-32t+20=0
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t=20/32
t=5/8 sec
thus time taken to reach maximum height is t=5/8 sec

c]<span>How long does it take for the disc to be caught 3 feet off the ground?
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but
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3=-16t^2+20t+6
solving for t we get:
0=-16t^2+20t+3
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After multiplying, you get 30/5.
To finish, all you have to do is divide and get 6.
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3 years ago
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