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Allisa [31]
3 years ago
14

Which equation has a slope: 3/2, y-intercept: –4

Mathematics
1 answer:
ipn [44]3 years ago
8 0

Answer:

The equation of the line that has a slope of 3/2 and a y-intercept of -4 is:

y=3/2x-4.

Step-by-step explanation:

You want to find the equation for a line that has a slope of 3/2 and a y-intercept of -4.  First of all, remember what the equation of a line is:

y = mx+b  Where:  m is the slope, and  b is the y-intercept

All you really have to do here is  replace m with 3/2, which is the slope you gave, and  replace b with -4, the y-intercept you gave,  in the equation y=mx+b.

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Answer:

add 5 + 4, which is 9 and that's 81 dots

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Square root 7x+16 +4=x
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6 0
3 years ago
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Lelechka [254]

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Step-by-step explanation:

4 0
3 years ago
Suppose that the mean and standard deviation of the scores on a statistics exam are 78 and 6.11, respectively, and are approxima
kiruha [24]

Answer:

0.7422 = 74.22% of scores are above 74.

Step-by-step explanation:

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

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 78, \sigma = 6.11

Calculate the proportion of scores above 74.

This is 1 subtracted by the pvalue of Z when X = 74. So

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

Z = \frac{74 - 78}{6.11}

Z = -0.65

Z = -0.65 has a pvalue of 0.2578

So 1-0.2578 = 0.7422 = 74.22% of scores are above 74.

8 0
4 years ago
PLZZZ help with this its pretty simple!
Zolol [24]

Answer:

D

Step-by-step explanation:

hope this helps

7 0
3 years ago
Read 2 more answers
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