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jeyben [28]
3 years ago
5

A scatter plot is shown. Data points are located at 1 and 9, 3 and 5, 5 and 6, 4 and 4, 2 and 7, and 6 and 4. A line of best fit

crosses the y-axis at 10 and passes through the point 6 and 4. How many hours will Sherwin most likely sleep if he consumes 9 cups of coffee? 1, because y = −x + 10 2, because y = −x + 10 9, because y = −x + 10 10, because y = −x + 10
Mathematics
2 answers:
Shkiper50 [21]3 years ago
4 0
First we find the equation of the line.
 We have then:
 The standard equation of the line is:
 y-yo = m (x-xo)
 m = (y2-y1) / (x2-x1)
 A line of best fit crosses the y-axis at 10 and passes through the point 6 and 4
 m = (4-10) / (6-0)
 m = -1
 (xo, yo) = (6, 4)
 The line is:
 y-4 = -1 (x-6)
 y-4 = -x + 6
 y = -x + 10
 Where,
 y: number of hours slept.
 x: number of coffee cups.
 for x = 9
 y = - (9) +10
 y = 1 hour

 Answer:
 if he consume 9 cups of coffee, Sherwin will most likely sleep 1 hour. 
 1, because y = -x + 10
Kruka [31]3 years ago
4 0

Answer:

if he consume 9 cups of coffee, Sherwin will most likely sleep 1 hour.  

1, because y = -x + 10

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Using linear functions, it is found that Rowan and Kennedy will have read the same number of pages in 10 minutes.

What is a linear function?

  • A linear function is modeled by:

y = ax + b

In which:

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  • b is the y-intercept, which is the value of y when x = 0.

For Rowan, we have that:

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Then:

y_R = 1.5x + 20

For Kennedy, we have that:

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They will have read the same number of pages after x minutes, for which:

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Then:

1.5x + 20 = x + 25

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To learn more about linear function, you can take a look at brainly.com/question/25823744

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