destinyacosta22 destinyacosta22
  • 02-03-2015
  • Mathematics
contestada

Solve each system of inequalities by graphing.

x-2y<3
2x+y>8

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 02-03-2015
not easy to graph but

multily first equaiton by -2 remember to flip sign
-2x+4y>-6
add to other equaiton

2x-2x+y+4y>-6+8
5y>2
divide by 5
y>2/5

subtitute
2x+2/5>8
subtract 2/5 from both sdies
2x>7 3/5
divid eby 2
x>38/10=19/5=3 4/5

x>3 4/5
y>2/5
just shade the area in that zone, not including point (0,0)
Answer Link

Otras preguntas

+264=1,707 whats the addend
Which polygon is a convex heptagon?
What conclusion can you draw about how discrimination affected Marian Anderson’s singing/career decisions? WHY? (Use at least 3 complete sentences and RACE Str
When you choose the ____ compression level for videos the file will be compressed slightly and will maintain the quality of the videos?
Gamal Abdel Nasser's great accomplishment was to bring democracy to Egypt modernize Egypt create an Islamic state in Egypt achieve peace with Israel
What would be the best choice if you are going over 40mph and need to avoid an obstruction in an intersection?
sqrt= Square Root A student is attempting to calculate the square root of 18. His work is shown below. Which statement below best applies to his mathematic
Please answer fast thanks
I need the answer ASAP
Determine whether the given coordinates are the vertices of a triangle. Explain. L(–24, –19), M(–22 ,20), N(–5, –7) A: yes: LM + MN > LN,