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timurjin [86]
3 years ago
8

∫ 3 x ^2/ ( x + 1 ) ^2

Mathematics
1 answer:
lina2011 [118]3 years ago
4 0

There you go. I assumed you know how to derrivate!

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1) A ball is dropped from a height of 50 feet. How long after it is dropped will it reach a height of 18 feet?
Nookie1986 [14]

Answer: 1.41 seconds

Step-by-step explanation:

The problem gives the initial velocity by saying "dropped." This indicates a velocity of zero. Acceleration can also be found because the object is in free fall. It would experience the acceleration of gravity. We can use the kinematic equation:

(y_f-y_i)=V_it+\frac{1}{2}at^2

The velocity term completely cancels because the object was dropped with an initial velocity of 0.

(18-50)=\frac{1}{2} (32.17)t^2\\

-32=-16.085t^2\\t=\sqrt{1.989} =1.41s

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3 years ago
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Nady [450]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

8 0
3 years ago
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How many degrees is angle b?
slamgirl [31]

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45 degrees

Step-by-step explanation:

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swat32

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Step-by-step explanation:

2/18= 1/9 * 2= 2/9  so on the first try,she sold 2 out of 18 which means the experimental probability is 2/18 = 1/9 so since this is the second try, you will have to multiply 1/9 by 2 to find the next possible outcome.

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