Answer:
x=1 y=3
Step-by-step explanation:
3x+y=6 is the same as y=6-3x
2x-y=-1 is the same as y=2x+1
set them equal to each other
6-3x=2x+1
5x=5
x=1
substitute the value of x into either equation
y=2(1) +1
y=3
Step-by-step explanation:
1. Vertical
2. Alternate
3. congruent
4. AAS or SAA
7x20 = 140 making that the total amount of decrease per week. Hope this helps!
Answer:
Step-by-step explanation:
2400feet=1minute
6000feet=6000/2400minutes
=20/8minutes
=2 1/2minutes