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goldfiish [28.3K]
3 years ago
11

13. Write a few sentences describing what you have learned about the mean length of the population of 268 words in the Gettysbur

g Address. Be sure to include an interpretation
of the margin of error.
Mathematics
1 answer:
alexira [117]3 years ago
7 0

You can obtain information about the mean population by taking a random sample of it and taking the average of that sample. The Law of big Numbers says that the bigger the sample, the more likely we will be closer to the real mean value. In other words, the margin of error is less likely to be big.

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Please help!! It’s engenuity.
MakcuM [25]

9514 1404 393

Answer:

  (c)  1/(36·a^4·b^10)

Step-by-step explanation:

The applicable rules of exponents are ...

  (a^b)/(a^c) = a^(b-c)

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__

  \left(\dfrac{(2a^{-3}b^4)^2}{(3a^5b)^{-2}}\right)^{-1}=\dfrac{(3a^5b)^{-2}}{(2a^{-3}b^4)^2}=\dfrac{3^{-2}a^{-10}b^{-2}}{2^2a^{-6}b^8}=\dfrac{1}{3^22^2}a^{-10-(-6)}b^{-2-8}\\\\=\boxed{\dfrac{1}{36a^4b^{10}}}

4 0
3 years ago
If the diameter in a circle is half of a yard, then it’s radius is how many inches?
Iteru [2.4K]
9 inches

18 inches is half a yard
9 inches is half of that

Hope this helps
8 0
3 years ago
Solve 4x2-25&lt;0<br><br> in words 4x squared -minus 25 &lt; 0
muminat
<h3>I'll teach you how to solve 4x^2-25<0</h3>

-------------------------------------------------

4x^2-25<0

Add 25 to both sides:

4x^2-25+25 < 0+25

Simplify:

4x^2 < 25

Divide both sides by 4:

4x^2/4 < 25/4

Simplify:

x^2 < 25/4

whole sqrt -25/4 < x < whole sqrt 25/4

whole sqrt 25/4= 5/2

-5/2 < x < 5/2

Your Answer Is -5/2 < x < 5/2

plz mark me as brainliest if this helped :)

4 0
3 years ago
Determine the unknown angle measures in the figure
dusya [7]

Answer:

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3 years ago
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Bess [88]

Step-by-step explanation:

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3 years ago
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