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finlep [7]
3 years ago
6

Find the slope for the following pair of points: (10,4) and (-2, 17)

Mathematics
1 answer:
Vinil7 [7]3 years ago
8 0
F(b)-F(a)/b-a
A=10 B= -2
F(a) =4 F(b)=17
17-4/-2-10
13/-12
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\frac{h^{2}-1 }{h+3} when h=5<br><br>Plz answer
Norma-Jean [14]

Answer:

3

Step-by-step explanation:

\frac{h^{2}-1 }{h+3}

\frac{5^{2} -1}{5+3}

\frac{25-1}{8}

\frac{24}{8}

3

4 0
2 years ago
Use a graphing calculator to find the value of the correlation coefficient r and determine if there is a strong correlation amon
Natali [406]

The value of the correlation is -0.0721 and it is a weak negative correlation

<h3>How to determine the correlation coefficient?</h3>

The points are given as:

(12, 28), (15, 50), (18, 14), (21, 28), (24, 36)

Enter the above points in a graphing calculator.

From the graphing calculator, we have the following summary:

<u>X Values</u>

  • Sum X = 90
  • Mean = 18
  • ∑(X - Mx)^2 = SSx = 90

<u>Y Values</u>

  • Sum Y = 156
  • Mean = 31.2
  • ∑(Y - My)^2 = SSy = 692.8

<u>X and Y Combined</u>

  • N = 5
  • ∑(X - Mx)(Y - My) = -18

<u>R Calculation</u>

r = ∑((X - My)(Y - Mx)) / √((SSx)(SSy))

This gives

r = -18 / √((90)(692.8)) = -0.0721

So, the correlation coefficient is -0.0721

The above is a negative correlation because it is less than 0 and it is a weak correlation because it is closer to 0 than -1

Hence, the correlation is a weak negative correlation

Read more about correlation coefficient at:

brainly.com/question/27226153

#SPJ1

7 0
2 years ago
What is the solution of 10=-15
finlep [7]
The solution would be undefined, since it is not possible for 10 to be equal to -15. Hope this helps! :)
8 0
3 years ago
jar of jelly contains 510 grams of jelly. There are about 26 servings in one jar. How much is one serving?
harkovskaia [24]

Answer: 19.615

Step-by-step explanation:

510 ÷ 26 = 19.615

4 0
3 years ago
What is the slope of a line perpendicular to a line that contains the points (-5, 4) and (-2, 4)?
larisa86 [58]
Answer: B. No slope


Explanation: The slope of a perpendicular line will always be the negative reciprocal of the slope of the given line. That means that you first have to find the slope of the given line by using the two points on that line:

Point 1: (-5, 4)
Point 2: (-2, 4)
Slope=(y2-y1)/(x2-x1)
Slope=(4-4)/((-2)-(-5))
Slope=0/3

If the slope of the initial line is 0/3 and the slope of its perpendicular line is the negative reciprocal of that slope, that means the slope of the perpendicular line will be -3/0 which is undefined because you can’t divide -3 by 0.

Therefore, the slope of the perpendicular line is undefined, or in other words, there isn’t an exact slope.



Hope that helps シ
3 0
2 years ago
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