Question

media aritmedica anumerelor 11 si x este 22.determinati x.

Answer 1

$formula:m_{a} =\frac{a+b}{2} \\ \\ \frac{11+x}{2} =22\\ \\ 11+x=22*2\\ \\ 11+x=44\\ \\ x=44-11\\ \\ x=33\\ \\ \\ \\ Verificare:\frac{11+33}{2} =\frac{44}{2} =22$