4a+2b-1a+9b combine all alike variables using commutative property of addition 4a-1a+2b+9b Then add the like variables 3a+11b
The Answer is 4a so you are asking why it is 4a. So just take an a and think it as 1a boom
from yahoo answers ( the guy that has a PhD in Chemistry ) 4a
The "A" designation in high school is determined by the school population. My high school had 450 students, and we were AA (2A). The more "A's" the larger and usually better a sports team. NCAA is opposite. The best teams a A (1A). There are no 4 and 5 "A" teams.
NoAnother Answer:-Yes sometimes it is possible as for example: 4a/8b can be simplified to 1a/2b
Hydrogen is a unique element of the periodic table. Due to its similarities in properties it can be placed at the top of group 1A or 4A or 7A.
No. If it works at all, it will be underpowered, and possibly damage the speakers. To power 12V speakers, you have to have an adapter with EXACTLY 12V (no more, no less), and at least 1A. You could hook up a 12V 4A adapter if you wanted to, your speakers would just only draw 1A of power. Make sure you use a 12V adapter though!!
Elements in the 1A, 2A, and 3A groups and elements In the 4A group can either gain or loss electrons.