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OpenStudy (anonymous):
I need the distance between (-7,4) and (-2, -8). simplified. I cant use a calculator.
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OpenStudy (angela210793):
\[d=\sqrt{(x2-x1)^2+(y2-y1)^2)}\]
OpenStudy (angela210793):
d=sqr(25+144)=13 this is the distance between these points
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