Answer:
1. always true
2. always true
3. sometimes true
4. always true
5. never true
Step-by-step explanation:
Answer:
50 and 10
Step-by-step explanation:
x+4x+10=y
y is 60
x+4x+10=60
5x+10=60
5x=50
x=10
or
10*4=40
40+10=50
50+10=60
Answer:
946589196.155
Step-by-step explanation:
Hope that helps
Answer:

Step-by-step explanation:
The first thing that would need to be done is solving for y. This problem has already done this. The next step is to exchange y for 
That is all. This would mean that the function notation for the equation would be: 
19-20 = -1 u have to subtract left from tight <span />