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timofeeve [1]
3 years ago
5

If an object is dropped from a height of 144 feet, the function h(t) = -16t2 + 144 gives the height of the object after t second

s. When will the object hit the ground?
Mathematics
2 answers:
ra1l [238]3 years ago
7 0

Answer:

The ball will hit the ground after 3 seconds.

raketka [301]3 years ago
3 0

Answer:

3 seconds is correct.

Step-by-step explanation:

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What is the third quartile, Q3, of the following distribution?
GREYUIT [131]

Answer:

The third quartile is:

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Step-by-step explanation:

First organize the data from lowest to highest

4, 5, 10, 12, 14, 16, 18, 20, 21, 21, 22, 22, 24, 26, 29, 29, 33, 34, 43, 44

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For a set of n data organized in the form:

x_1, x_2, x_3, ..., x_n

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Q_3=x_{\frac{3}{4}(20+1)}

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The third quartile is between x_{15}=29 and x_{16}=29

Then

Q_3 =x_{15} + 0.75*(x_{16}- x_{15})

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I hope this helps you

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