Mathematics: The distance AB=? Round to the nearest tenth.

The distance AB=? Round to the nearest tenth.

Ответ:

caudhdi11721

21.02.2022

well, since we know that

B (-1 , -1) and A (3 , 1), then

$~~~~~~~~~~~~\textit{distance between 2 points} \\\\ B(\stackrel{x_1}{-1}~,~\stackrel{y_1}{-1})\qquad A(\stackrel{x_2}{3}~,~\stackrel{y_2}{1})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ BA=\sqrt{[3 - (-1)]^2 + [1 - (-1)]^2}\implies BA=\sqrt{(3+1)^2+(1+1)^2} \\\\\\ BA=\sqrt{4^2+2^2}\implies BA=\sqrt{20}\implies BA\approx 4.5$

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castielwife4394

19.08.2021

Mathematics

where is the question I want to help you.

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The distance AB=? Round to the nearest tenth.

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