Respuesta :

[tex]\begin{gathered} \left(2,1\right?)=(x_{1,}y_1) \\ (3,7)=(x_{2,}y_2) \\ \text{midpoint = (}\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}) \\ \text{midpoint = (}\frac{2+3}{2},\frac{1+7}{2}) \\ \text{midpoint = (}\frac{5}{2},\frac{8}{2})\Rightarrow(\frac{5}{2},4) \\ \text{midpoint = (2.5, 4)} \end{gathered}[/tex]

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