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30 June, 04:27

The data in the table compares x, the number of pages in a chapter, to y, the amount of time, in minutes, spent reading. The function y = 0.86x - 0.09 models the data in the table

Which is the best prediction for the number of pages in a chapter that takes 18 minutes to read?

15

17

19

21

+5
Answers (1)
  1. 30 June, 06:34
    0
    21

    18=0.86x - 0.09 Put 18 as the y value and solve for x

    18.09=0.86x Add 0.09 on both sides.

    21.03=x Then divide on both sides by 086
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