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06.10.2019 •
Mathematics
Find the area of rectangle shown below
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Ответ:
Ответ:
= 40/3 * 15/7
= 200/7 sq.m
Ответ:
In the table in the equation, we see direct variation.
X Y
1 7
2 14
3 21
4 28
We can find the constant of the variation by dividing y by x. This constant should remain the same for all terms of x in the table with their corresponding y values.
y/x
7/1=7
14/2=7
21/3=7
28/4=7
As we can see, the values in the table all share a direct variation between x and y with the value 7.
This can be expressed in an equation: y = 7x.