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Serga [27]
2 years ago
6

Can you please help me find number for D

Mathematics
1 answer:
Nat2105 [25]2 years ago
6 0

Step-by-step explanation:

the slope of the line between the first 2 points must be the same as the slope between the second and the third point.

the slope is y difference / x difference.

so,

b/a = d/c

-3/1.6 = d/1.5

d = -3×1.5 / 1.6 = -4.5 / 1.6 = -2.8125

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