Question

Номер 454 (б),453;срочноооо

Answer 1

$453.\a);|MN|=N-M=35-(-7)=35+7=42\b);|MN|=M-N=frac12-frac13=frac16\c);|MN|=sqrt{(-2-(-2))^2+(83-76)^2}=sqrt{(-2+2)^2+(7)^2}=7$

$454;b)\Kleft(frac{10+(-2)}2;;frac{6+4}2right)=left(4;;5right)$