Answer:
d=(0,3)
Step-by-step explanation:
Answer:
the system of equation has infinite solution
Step-by-step explanation:
, 
Solve the first equation for x_2
Subtract 5x1 on both sides


Now substitute -5x1 on second equation



0=0
So the system of equation has infinite solution
Answer:

Step-by-step explanation:

0.2 x 40
=8
(change the percentage to a decimal)