Answer:
y=-3/4x+5
Step-by-step explanation:
3x+4y>20
4y>-3x+20
y>-3/4x+5
 
        
             
        
        
        
Answer:
x=-18
Step-by-step explanation:
multiply the invisible 1 outside the parenthesis with the numbers inside. next combine like terms on the left side of the equation. then simplify the equation. then divide -2x by -36. then multiply -1 to your answer and the outcome gives -18
 
        
             
        
        
        
Answer:
x = 5/2
y = -2
Step-by-step explanation:
(1+i)² (x+yi) = 4+5i
(1+2i+i²)(x+yi) = 4+5i
(1+2i-1)(x+yi) = 4+5i
2i(x+yi) = 4+5i
2i²y + 2xi = 4+5i
-2y + 2xi = 4 + 5i
By comparing both sides,
-2y = 4
    y = -2,
2x = 5
  x = 5/2
 
        
             
        
        
        
Answer:
72
Step-by-step explanation:
because when you do 55% out of 160 it will give you 88 which you subtract from 160 and then you will end up with 72
 
        
             
        
        
        
John has x amount of dogs. Solve for x to find how many dogs john has.