Answer:
Its B
Step-by-step explanation:
The answer is B
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Solution: The test score that the teacher should expect from a student who did not attend her course is 37.
<u>Explanation:</u>
The teacher's equation for the line of best fit is ![y=0.7x+37](https://tex.z-dn.net/?f=y%3D0.7x%2B37)
We know the equation for the line of the best fit is:
![y=bx+a](https://tex.z-dn.net/?f=y%3Dbx%2Ba)
Where:
is slope of the equation. It represents the rate of change in y as one unit change in x.
is the intercept. It represents the expected mean value of y when all x=0.
Therefore, in the given teacher's equation, the slope is 0.7 and intercept is 37.
Here the intercept means the average score of student who who did not attend her course.
Therefore, the test score that the teacher should expect from a student who did not attend her course is 37.
Explanation:
The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.
Answer:
3) turning an object
Step-by-step explanation:
the rotation of the Earth is at an angle and it's turning on it's side
Answer:
0.57, which is a number between 0 and 1
Step-by-step explanation:
The fraction 4/7 is approximately equal to 0.57 as a decimal, so you would plot 4/7 where 0.57 should go