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Setler [38]
3 years ago
10

Help due in 30 min!!!!!!!!!!!!!!!

Mathematics
2 answers:
Ierofanga [76]3 years ago
7 0

Answer:

b. - 1/4

Step-by-step explanation:

Start at the point highest on the line(3,4). Subtract the x value of the second point, from the x value of the first point.(3-7) Then do the same with the y values.(4-3) This gives you x=-4and y= 1. Slope= y/x, so you get -1/4

rjkz [21]3 years ago
6 0
Answer: -1/4

Explanation:

m = (y1 - y)/(x1 - x)
m = (4-3)/(3-7)
m = 1/-4 = -1/4
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tresset_1 [31]
A large outlier could affect the data set because it could make the mean larger, which just means that the average number of the set would be a lot bigger than it already is.

An example would be: 1, 3, 5, 19

19 is obviously the large outlier, so to find the mean, we would add everything together then divide by 4.

The mean would be 28/4=7 So 7 is our mean, but if the large outlier were, let's say 50, then the mean would be way larger than it already is.

~Hope this helped!~


5 0
3 years ago
What is found on pages starting with the letter g
Sophie [7]

Answer:

gay

Step-by-step explanation:

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8 0
3 years ago
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A cylinder and a cone have the same base and altitude. If the volume of the cone is 30 cubic inches, what is the volume of the c
tatuchka [14]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Solve: 2.5k+47.4=81.9
belka [17]

Answer:

k=13.8

Step-by-step explanation:

Given function:

  • 2.5k+47.4=81.9
  • to find k..

<u><em>Subtract final and middle value:</em></u>

  • 81.9-47.4= 34.5

<em><u>Divide by 2.5:</u></em>

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Therefore, k=13.8..

8 0
3 years ago
Find the margin of error for a 90% confidence interval when the standard deviation is LaTeX: \sigma= 50????=50 and LaTeX: n = 25
Murrr4er [49]

Answer:

The margin of error  for a 90% confidence interval is 16.4

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 25

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Margin of error =

z_{critical}\times \dfrac{\sigma}{\sqrt{n}}

Putting the values, we get,

1.64\times \dfrac{50}{\sqrt{25}} = 16.4

Thus, the margin of error  for a 90% confidence interval is 16.4

8 0
3 years ago
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