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Katarina [22]
3 years ago
10

The scatter plot shows the study times and test scores for a number of students. How long did the person who scored 81 study?

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
6 0

Answer: Option A

50 minutes

Step-by-step explanation:

Observe in the diagram that the vertical axis represents the score obtained and the horizontal axis represents the study time.

To find out how many hours the person with a score of 81 studied, locate the point that is at a vertical distance of 81.

Now draw a vertical line from this point to the horizontal axis. Note that the vertical line traced intercepts the vertical axis at x= 50

Then the person who got a score of 81 studied 50 minutes

The answer is the option A

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➷ Since vertical angles are equal, we know this:

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Now we just need to solve for x.

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