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cotko
Answers (4)
f(g(h))=[3(x-5)]+9 =3(x-5)=0 =3x-15=0 =3x=15 =x=5 f(g(h))=[5]+9 =14
2l+2w=108 =2(4w-7)+2w=108 =8w-14+2w=108 =10w-14=108 =10w=122 =w=12.2m ---------- 2l+2w=108 =2l+2(12.2)=108 =2l+24.4=108 =2l=83.6 =l=41.8m
A=3X=1750 B=2X=4000 ------------ A=Y=1750 B=4Y=4000 ------------ 3X+Y=1750 2X+4Y=4000 ------------ -Solve for x,y when x=0 and y=0 -Plug in and solve equations
2a^2 + 6ab - 5a - 15b
