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

When explaining dominant and recessive traits to a younger family member, they respond, "Well chances are I can probably taste PTC, since dominant traits are mo
Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. If the regular price is $30 how much did sweet save
In what primary way did the goals for us intervention in Europe differ from those of the Soviet Union
During what century did Muhammad recieve his first revelation from god
HELP PLEASE assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2
100 POINTS? HELP ME ASAP
What is the primary goal of human communities?
Space is not completely empty. There are small particles in space. What happens when these particles come together?
Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4
Please answer and explain! 17 POINTS!