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Sophie [7]
3 years ago
8

Y = x square - 4 can you answer please

Mathematics
2 answers:
liberstina [14]3 years ago
7 0

Answer:

there ya go, I hope this helped

Ber [7]3 years ago
3 0

Answer:

In the attachments, hope this helps

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What are the equations and anwsers?

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Question<br> Evaluate the expression.<br><br> (−112)2
denis23 [38]

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1/144

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Read 2 more answers
546/5 it is hard it i
mr_godi [17]

Answer:

109.2

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If the number being divided does not end in 5 or 0, it being divided by 5 will not be equal. Therefor it might be better to try and use a calculator if you can't do it in your head.

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3 years ago
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Suppose the population of all public universities shows the annual parking fee per student is $110, with a standard deviation of
vampirchik [111]
The probability would be 0.9738.

We first find the z-score for each end of this interval:

z = (x-μ)/(σ/√n) = (100-110)/(18/√49) = -10/(18/7) = -3.89

z = (x-μ)/(σ/√n) = (115-110)/(18/√49) = 5/(18/7) = 1.94

Using a z-table (http://www.z-table.com) we see that the probability that a score is less than the first z-score is 0.  The probability under the curve to the left of, less than, the second z-score is 0.9738.  Subtracting these we find the area between them:
0.9738 - 0 = 0.9738.
3 0
3 years ago
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