Answer:
First x=-2
Second x= -11.94
Step-by-step explanation:
1 |2x-3|+5=4
2x+3+5=4
2x+8=4
2x=-4
Divide by 2 for both parties
X = -2
Number 2
215x +31-10=3
215x+21=3
215x= -18
Divide by 215 on both sides
X= - 11.94
Answer:
b
Step-by-step explanation:
there no H to put there
Answer:
Hours
Step-by-step explanation:
21a. One week is too long so using hours will help, but when doing a quick thing you can use seconds.
21b. (Sorry I can't see the question, so I can't answer that part.)
:)
Answer:
your answer will add up to or = 29
Step-by-step explanation:
Answer:
neon: 0 percent change oxide: -2 percent change copper: 2 percent change tin: 0 percent change
Step-by-step explanation:
Neon: -10+10=0
Oxide: -10+8=-2
Copper: -27+29=2
Tin: -50+50=0
Hope this helps