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04-06-2015
Mathematics

contestada

What is the distance between points (2, 8) and (7, 5)? Round to the nearest tenth of a unit.

Respuesta :

04-06-2015

[tex](2,8) \\ x_1=2 \\ y_1=8 \\ \\ (7,5) \\ x_2=7 \\ y_2=5 \\ \\ d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(7-2)^2+(5-8)^2}=\\ =\sqrt{5^2+(-3)^2}=\sqrt{25+9}=\sqrt{34}\approx 5.8[/tex]

The distance is approximately 5.8.

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