The correlation of SAT scores and grade point averages (GPAs) for a random sample of high school students is represented by the
scatterplot below. 2400 2200 2000 1800 SAT Score 1600 1400 1200 1000 800 600 400 200 o 0 10 20 30 40 50 60 70 80 90 100 High School GPA The approximate line of best fit is given by the equation y = 40x - 1800. Based on this trend, which of the following best predicts the SAT score for a high school student with a GPA of 95? 2000 2200 Ο Ο Ο Ο 1980 1895
1 answer:
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Answer:
4. °
Step-by-step explanation:
Given:
The tangent of the angle is given as:
Since the angle is negative, it means that it is measured in the clockwise direction as angles measured in clockwise direction are negative and that measured in counter clockwise directions are positive.
-212° when measured from counter clockwise direction will be equal to:
Therefore, =
Now, we have the identity for tan as:
Here,
Therefore,
Hence, =
=
°