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Rzqust [24]
3 years ago
8

Write the equation of the line of best fit using the slope-intercept formula y=mx+b. Show all your work, including the points us

ed to determine the slope and how the equation was determined.
Points used to find the slope:



Slope:



Each step of my work to find the slope:




Equation for the line of best fit:


Each step of my work to find the equation:








What does the slope represent within the context of your graph?





What does the y-intercept represent?






Test the residuals of two other points to determine how well the line of best fit models the data.



Use the line of best fit to help you describe the correlation.




Using the line of best fit that you found in Part 3, Question 2, approximate how tall is a person whose arm span is 66 inches?




According to your line of best fit, what is the arm span of a 74-in-tall person?

Mathematics
1 answer:
Alinara [238K]3 years ago
3 0
Grade level?????????????????
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How many different ways can the line be named? What are those names?
boyakko [2]

Answer: A. 3 ways: k, DE, ED (both DE and ED have line markers over top)

To name a line, we just need two points on the line. We list them in any order because the line extends forever in both directions. Contrast this with a ray where order does matter. The little k is another way to name a line, potentially simplifying things.

Choice B is close, but it mentions ray DE instead of line DE. Choice C is missing line ED. Choice D is a similar story as choice B. These facts allow us to rule out B through D.

5 0
3 years ago
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What is the range of this function?
aleksley [76]
You order the y-values from greatest to least, which are 2, 2, 3, and 4. You don't need to duplicate the same y-values, so the range is {2, 3, 4}
7 0
3 years ago
What is the value of x?<br> 26°<br> x =<br> = [?]
OlgaM077 [116]

Answer:

<h2><u>154°</u></h2>

Step-by-step explanation:

The central angle and the angle between the tangents are supplementary, so

x + 26° = 180° ( subtract 26° from both sides )

26 - 26 = 0

180 - 26 = <u>154</u>

x = <u>154°</u>

6 0
3 years ago
What is the equation of the line that passes through the point (-2,7) and has a slope of zero​
Lina20 [59]

Answer:

Equation of the line that passes through the point (-2,7) and has a slope of zero​ is given as

y=7

Step-by-step explanation:

Equation of line is given as

y-y_1=m(x-x_1)   -----------(1)

Here

m=0 \ \ \ and \ \ \ (x_1, y_1) = (-2, 7)

Substituting values in equation (1)

y-7=0(x+2)\\y=7

5 0
2 years ago
2^8+6(7-1)+4 does this equal 56
sukhopar [10]

Answer:

nope

Step-by-step explanation:

it acutally equals to 292 I am sure!

7 0
3 years ago
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