HaileyMae14 HaileyMae14

09-09-2016
Mathematics

contestada

find the length of XY with endpoints X(-2,7) and Y(-2,-8

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nobillionaireNobley nobillionaireNobley

09-09-2016

[tex]length=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(-2-(-2))^2+(-8-7)^2}\\=\sqrt{0^2+(-15)^2}=\sqrt{225}=15[/tex]

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