Answer:
I dont really get it-
Step-by-step explanation:
whats the question?
{3x+2y=4 /*5
{4x+5y=17 /*(-2)
{15x+10y=20
<u>{-8x-10y=-34 </u>(+)
<em>7x=-14</em><em />
<em>x=-2</em>
15x+10y=20
15*(-2)+10y=20
-30+10y=20
10y=50
<em>y=5</em>
$249.......................................
Negative because if you mark it on the graph they go in a downwards line which would be a negative slope on the graph :)
Answer:
8
Step-by-step explanation:
4 × 16= 64
√64 = 8
hope this helps...