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timama [110]
4 years ago
15

Can someone please tell me the slope of this

Mathematics
1 answer:
laiz [17]4 years ago
5 0
Answer: choice C) 3

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

Explanation:

Using any two points, we can find the slope through the slope formula. In this case, I'm using the first two points (from the first two rows)

m = (y2 - y1)/(x2 - x1)
m = (1-(-2))/(-1-(-2))
m = (1+2)/(-1+2)
m = 3/1
m = 3

The slope is 3 meaning that each time x increases by 1, y increases by 3.


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Step-by-step explanation:

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3 years ago
A set of city temperatures in April are normally distributed with a mean of 19.7 degrees Celsius and a standard deviation of 2 d
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Answer:

19.77% of average city temperatures are higher than that of Cairo

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

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In this question, we have that:

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What percentage of average city temperatures are higher than that of Cairo?

This is 1 subtracted by the pvalue of Z when X = 21.4.

Z = \frac{X - \mu}{\sigma}

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3 years ago
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