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lukranit [14]
2 years ago
14

Item 4

Mathematics
1 answer:
Vikentia [17]2 years ago
3 0

Answer:

Step-by-step explanation:

The constant of proportionality is the same thing as the slope when the y intercept is 0.

y1 = 27.6

y2 = 82.8

x1 =2

x1 = 6

m = (y2 - y1)/(x2 - x1)

m = (82.8 - 27.6)/(6,2)

m = 55.2/4

m = 13.8

The constant of proportionality = 13.8

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So, from the above figures we can see that the Median for the Class Data is around 82 and the median for the Exam Data is around 87. It is clear that the Median of Exam data is higher than the Median of Class Data.

So, the best statement to describe the medians will be the option C. The class median is lower than the exam median. The option A and B are not correct. The outlier does have not have much of a large impact on the median of the data and neither the spread of the data primarily determines its median. Median only depends on the number of values in the data set.

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is this it?

7 0
3 years ago
A train travels at 80 miles per hour. What equation that compares the tike (t) with the distance (d)?​
DIA [1.3K]

Answer:

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8 0
3 years ago
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How do you substitute x+7y=0 into 2x-8y=22
Grace [21]
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x + 7y = 0
x = -7y

since x = -7y we can substitute -7y into the other equation wherever there is an x

2x - 8y = 22
2(-7y) - 8y = 22
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Now let's substitute -1 back into either of the original equations so we can solve for x

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5 0
4 years ago
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Here, Your Coordinates would be: (0, -4), (1, -21/5), (2, -22/5)
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Hope this helps!
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