If we have...?

0 ⤊

x<4
y<4
Can we say that x+y<8 so x+y-8<0?

2007-12-19 23:14:13 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

yes

2007-12-19 23:19:31 · answer #1 · answered by RYAN 3 · 0⤊ 1⤋

Yes I think so......
Because adding the two inequalities we get:
x+y<4+4
or x+y<8
or x+y-8<8-8
or x+y-8<0

2007-12-20 07:19:16 · answer #2 · answered by Ayush J 2 · 0⤊ 0⤋

Sure! if x<4 then 2x<8 and if y<4 then 2y<8 so (x+y)<8.

2007-12-20 07:24:35 · answer #3 · answered by Ken 7 · 0⤊ 0⤋

yes

2007-12-20 07:25:25 · answer #4 · answered by nasr 2 · 0⤊ 0⤋

Yeah it's right to say that.

2007-12-20 07:28:22 · answer #5 · answered by Anonymous · 0⤊ 0⤋