The trend of the plotted points has a positive slope, so we can eliminate -0.95 and 0. Next we need to determine how strong the correlation is from a scale of -1 to 1 where the strongest is closer to -1 or 1.
Since we cannot draw a line through all of the points, the answer cannot be 1.
Between 0.75 and 0.95, we should go with 0.95 because if we were to draw a best fit line through the points, most of them would be close to or on the line. If the answer was 0.75, the correlation would be much weaker.
So the answer is 0.95.
Answer:
-7 m/s
Step-by-step explanation:
The limit of the difference quotient is used to find the slope passing through two point. It is gotten by taking the limit as h approaches zero. It is given by:
Given that:
The function s(t) = -3 - 7t
.
Using the limit of the difference quotient formula:
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Below are the choices that can be found from other source:
<span> −7
20
20 square root 449 over 449
negative 7 square root 449 over 449</span>
The answer seems to be the third one which is 20 square root 449 over 449.
1 radian = 57.3 degrees
60 <span>÷ 57.3 = 1.047
</span>
correct answer: C
