Mathematics, 11.07.2019 03:30 aylin5044
On a number line, a is at negative 7 and b is at 3. what is the coordinate of c, which is two fifths of the way from a to b?
Answers: 1
![\bf \stackrel{A}{-7}\stackrel{\textit{7 units}}{\rule[0.35em]{17em}{0.25pt}}0\stackrel{\textit{3 units}}{\rule[0.35em]{10em}{0.25pt}}\stackrel{B}{3} \\\\\\ AB=7+3\implies AB=10~\hspace{7em}\cfrac{2}{5}AB\implies \cfrac{2}{5}(10)\implies 4 \\\\\\ -7\rule[0.35em]{2em}{0.25pt}-6\rule[0.35em]{2em}{0.25pt}-5\rule[0.35em]{2em}{0.25pt}-4\rule[0.35em]{2em}{0.25pt}\boxed{-3}](/tpl/images/0075/6371/74530.png)
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On a number line, a is at negative 7 and b is at 3. what is the coordinate of c, which is two fifths...
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