Answer:
Step-by-step explanation:
sub equation 1 into 2
2-5x=x²-2x-8
0=x²-2x+5x-8-2
0=x²+3x-10
0=(x-2)(x+5)
x=2 or x=-5
sub x into equation 1
y=2-5(2) or y=2-5(-5)
y=-8 y=27
Answer:
The image is not loading!!
Step-by-step explanation:
Re-upload the question so maybe I can see it.
Answer:
7
Step-by-step explanation:
Trial and error. Start with 1 and go to 9
Y=-9x+5
notice where the slope and y intercept are in the equation
Answer:
printer 404 computer 808
Step-by-step explanation:
let the price of computer be c and printer be p
c+p=1212
c=2p
2p+p=1212
3p=1212
p=1212/3 =404
c=2p=2x404=808