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2 December, 06:17

What are the rate of changes for

39 & 16.5 =

30 & 12.4 =

28 & 10.4 =

19 & 10.3 =

23 & 11.2 =

+4
Answers (1)
  1. 2 December, 06:39
    0
    39 & 16.5 = - 22.5

    30 & 12.4 = - 17.6

    28 & 10.4 = - 17.6

    19 & 10.3 = - 8.7

    23 & 11.2 = - 11.8

    if the values are y values you will subtract them from each other to get the numerical value and because they all go from a larger number to a smaller number the rate is a negative. if they were from a smaller value to a larger value teh rates of change would be positive.
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