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Maru [420]
2 years ago
8

What is the slope of the line passing through the points (-6, 2) and (-6, 11)?

Mathematics
1 answer:
Mamont248 [21]2 years ago
5 0
-3/4 is the slope.
Explanation: if we use the formula y2- y1/ x2-x1= m (m being the slope) we get -3/4.
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Maxine bought items costing $5.25, $18.99, $2.99, and $17.50. She used a coupon worth $5.50. If Maxine had $60.00 before she wen
Likurg_2 [28]
The answer should be $20.77
6 0
3 years ago
Solve for given variable​
Ilya [14]
X = 180 - 90 - 59 = 31
4 0
3 years ago
Using the compensation strategy. 4,153+2,988
makvit [3.9K]
4,153+2,988
-12 +12
4,141+3,000

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5 0
3 years ago
Scores on the math portion of the SAT are believed to be normally distributed and range from 200 to 800. A researcher from the a
Doss [256]

Using the z-distribution, it is found that she should take a sample of 46 students.

<h3>What is a z-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm z\frac{\sigma}{\sqrt{n}}

The margin of error is:

M = z\frac{\sigma}{\sqrt{n}}

In which:

  • \overline{x} is the sample mean.
  • z is the critical value.
  • n is the sample size.
  • \sigma is the standard deviation for the population.

In this problem, we have a 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so the critical value is z = 1.96.

Scores on the math portion of the SAT are believed to be normally distributed and range from 200 to 800, hence, by the Empirical Rule the standard deviation is found as follows:

6\sigma = 800 - 200

6\sigma = 600

\sigma = 100

The sample size is n when M = 29, hence:

M = z\frac{\sigma}{\sqrt{n}}

29 = 1.96\frac{100}{\sqrt{n}}

29\sqrt{n} = 196

\sqrt{n} = \frac{196}{29}

(\sqrt{n})^2 = \left(\frac{196}{29}\right)^2

n = 45.67.

Rounding up, a sample of 46 students should be taken.

More can be learned about the z-distribution at brainly.com/question/25890103

#SPJ1

4 0
2 years ago
Help Please I don’t understand unit rates
Arturiano [62]
It would be 6/20 = $0.30

30 cents or $ 0.30 
4 0
3 years ago
Read 2 more answers
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