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steposvetlana [31]
3 years ago
11

What is the slope of the graph?

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Use the coordinates of the two black dots:

(2,3) and (7,6)

Slope is the change in Y over the change in X:

Slope = (6-3) / (7-2)

Slope = 3/5

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Which equation is it? plz help ​
zvonat [6]

Answer:

In the pic

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)

8 0
3 years ago
Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviatio
Bond [772]

Answer:

The percentage of students who scored below 620 is 93.32%.

Step-by-step explanation:

Problems of normally distributed samples are 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 question, we have that:

\mu = 500, \sigma = 80

Percentage of students who scored below 620:

This is the pvalue of Z when X = 620. So

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

Z = \frac{620 - 500}{80}

Z = 1.5

Z = 1.5 has a pvalue of 0.9332

The percentage of students who scored below 620 is 93.32%.

3 0
3 years ago
Read 2 more answers
The total cost CC (in dollars) to participate in a ski club is given by the literal equation C=85x+60C=85x+60, where xx is the n
Morgarella [4.7K]
First of all why is there 2 similar equation connected to one another?

Second in order to solve this all you need to do is plug in the number and solve for x

For 485

85x+60=485
85x=420
X=5

Do the same thing and you get 3
6 0
3 years ago
Read 2 more answers
BRAINLIEST!!! +15 POINTS!!! REAL ANSWERS ONLY!!!
kramer

Answer:

1.

Step-by-step explanation:

3 0
3 years ago
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Simplify: ((x-5)3/2)^2/3<br> X-5<br> (x - 5)^2<br> (x – 5^)3
netineya [11]

Answer:

x - 5

Step-by-step explanation:

((x - 5) {}^{ \frac{3}{2} } ) {}^{ \frac{2}{3} }

(x - 5) {}^{ \frac{3}{2} }  { \times }^{ \frac{2}{3} }

(x - 5) {}^{ \frac{6}{6} }

(x - 5) {}^{1}

Therefore x - 5

7 0
2 years ago
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