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amm1812
3 years ago
10

A student states that the constant of proportionality is 2.5 since 10 - 7.5 = 2.5.

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
7 0
I cannot see the table. But if I could that would be helpful.

But, if you were to look at the table see if the numbers are increasing or decreasing for the y column. Once you figure this out, find out how much the numbers are increasing/decreasing by and that should be the answer for the constant of proportionality. If it is decreasing, it would be a negative number. If it is increasing, it would be a positive number.
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umka2103 [35]

So if you distribute 4 in the first parentheses, you get 12x+20y+8z.

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Jenna's would be the right answer because when you distribute 5 in her answer you get 15x+20y+5z

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