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elijahbravo7107
31.08.2019 •
Mathematics
The quantities of x and y are proportional. find the constant of proportionality (r) in the equation y= rx
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Ответ:
All you have to do is choose one of the rows, and then substitute in the values for x and y into the equation y = rx, and then solve for r:
- - - - - - - -
I'll choose the first row, where x = 8 when y = 2:
So
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