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Mathematics 8 Online
Kalaejahbutler:

Determine the x-coordinate that would yield a y-coordinate of 30, assuming the pair follows the same trend that currently exists in the data set below. {(45, 18), (38, 21), (26, 31), (64, 13), (29, 28), (33, 25), (49, 17)} A. 18 B. 27 C. 36 D. 38

Mercury:

calculate the trendline (trendline software would be your best bet. you could do this manually but it's very time-consuming and error-prone) from there, plug in y = 30 into your trendline equation and solve for x.

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