Mathematics, 10.09.2019 00:20 lindasuebairdoyjpf7
Point b is the midpoint of ac-. if ab= 4x+2 and ac=10x-6, find the length of ac
Answers: 1
![\bf \underset{\leftarrow \qquad \textit{\large 10x-6}\qquad \to }{\boxed{A}\stackrel{4x+2}{\rule[0.35em]{10em}{0.25pt}} B\stackrel{\underline{4x+2}}{\rule[0.35em]{10em}{0.25pt}\boxed{C}}} \\\\\\ AC=AB+BC\implies 10x-6=(4x+2)+(4x+2)\implies 10x-6=8x+4 \\\\\\ 2x-6=4\implies 2x=10\implies x=\cfrac{10}{2}\implies x= 5 \\\\[-0.35em] ~\dotfill\\\\ AC=(4x+2)+(4x+2)\implies AC=[4(5)+2]+[4(5)+2] \\\\\\ AC=22+22\implies AC=44](/tpl/images/0226/2396/f7e80.png)
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Point b is the midpoint of ac-. if ab= 4x+2 and ac=10x-6, find the length of ac...
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