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2 years ago

Calculate the slope of the line on the graph using the formula.

Mathematics

2 answers:

miss Akunina [59]2 years ago

7 0

Answer , slope of the line is 4

Step-by-step explanation:

(X1 ,Y1)=(0,0)

(X2,Y2)=(5,20)

Now,

slope of line=y2-y1/x2-x1

=20-0/5-0

=20/5

=4.

djverab [1.8K]2 years ago

3 0

Answer:

The slope is 4

Step-by-step explanation:

The way I found out is really long and complicated, but 4 is the answer I found.

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3 years ago

Read 2 more answers

In a recent contest, the mean score was 210 and the standard deviation was 25. a) Find the z-score of John who scored 190 b) Fin

denpristay [2]

Answer:

a) $Z = -0.8$

b) $Z = 2.4$

c) Mary's score was 241.25.

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:

$\mu = 210, \sigma = 25$