Mathematics, 09.07.2019 22:30 chapmel20
Find the distance between points a(-26, -99) and b(-27, 104)to the nearest tenth.
Answers: 1
![\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ A(\stackrel{x_1}{-26}~,~\stackrel{y_1}{-99})\qquad B(\stackrel{x_2}{-27}~,~\stackrel{y_2}{104})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ AB=\sqrt{[-27-(-26)]^2+[104-(-99)]^2} \\\\\\ AB=\sqrt{(-27+26)^2+(104+99)^2}\implies AB=\sqrt{(-1)^2+203^2} \\\\\\ AB=\sqrt{1+41209}\implies AB=\sqrt{41210} \\\\\\ A\approx 203.002463039\implies A=\stackrel{\textit{rounded up}}{203}](/tpl/images/0071/0213/15a01.png)
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Find the distance between points a(-26, -99) and b(-27, 104)to the nearest tenth....
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