Question

AJUTOR! Imi trebuie urgent! Dau 98 puncte!

Answer 1

1. 3x+10+2x-20+4x+x+40=360

x=33

AOB=109;BOC=46;COD=132;DOA=73.

EOF=1/2BOC+1/2COD=89

2.A={0,4}; B={0,1,2,7}

A^B={0};

AUB={0,1,2,4,7}

A\B={4}

B\A={1,2,7}