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g100num [7]
3 years ago
11

What is the slope of the line that contains the points (-2, 2) and (3, 4)?

Mathematics
2 answers:
slega [8]3 years ago
8 0
 so I believe it is A. -5/2 but only because you are mainly doing inverse operations.
Murljashka [212]3 years ago
5 0
(Y1-Y2)/(X1-X2)

(2-4)/(-2-3)

-2/-5

2/5
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3 0
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A regression of y = calcium content (g/L) on x = dissolved material (mg/cm2) was reported in the article "Use of Fly Ash or Sili
MatroZZZ [7]

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a) The slope = 0.144 , means that an increase in dissolved material by 1 mg/cm^2 will lead to an increase in Calcium content by 0.144 g/l

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b) 10.878

c) S ≈ 1.99

Step-by-step explanation:

a) The slope = 0.144 , means that an increase in dissolved material by 1 mg/cm^2 will lead to an increase in Calcium content by 0.144 g/l

while the coefficient of determination = 0.869 , means that 86% of the variation ( natural ) of calcium content is explainable using the Linear model.

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Given that dissolved material = 50 mg/cm^2

= 3.678 + 0.144 * dissolved material

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<u>C) Determine an estimate of error standard deviation </u>

Given that ; sum of squares ( SST ) = 320.398

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∴ S ≈ 1.99

6 0
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