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25-10-2021
Mathematics

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The points (-6, 4) and (-4, r) lie on a line with slope 3. Find the missing coordinate r.

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Аноним Аноним

25-10-2021

[tex]\\ \sf\longmapsto m=3[/tex]

(-6,4)
(-4,r)

[tex]\\ \sf\longmapsto \dfrac{r-4}{-4+6}=3[/tex]

[tex]\\ \sf\longmapsto \dfrac{r-4}{2}=3[/tex]

[tex]\\ \sf\longmapsto r-4=6[/tex]

[tex]\\ \sf\longmapsto r=6+4[/tex]

[tex]\\ \sf\longmapsto r=10[/tex]

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