Answer:
AAS
Step-by-step explanation:
Answer:
to get ride of the x² you are gonna square root both sides so it is now 2x=5 divide by 2 on both sides and boom x=2.5
It depends on the original size.
It is! When you're doing a fraction specifically like that, the denominators cancel out. Therefore you can get rid of the 12. It just becomes 21/7, which as you know is 3.
Hope that helps :)
Because, the total number of electrons is equal to the number of protons.