Answer:
It's -30
Step-by-step explanation:
Combine like terms
− 8
= 2
1
0
−7
= 2
1
0
Divide both sides of the equation by the same term
−
7
= 2
1
0
-7a/-7 = 210/-7
You cancel the -7 on the left side and divide 210 by -7
and then 210/-7 is -30
Hope this helps mark me brainliest!
Answer:

Step-by-step explanation:
After every Half life , Half of the mass is left.
After 1st Half life = 100 g / 2 = 50 g
After 2nd Half life = 50 / 2 = 25 g
After 3rd Half life = 25 / 2 = 12.5 g
After 4th Half life = 12.5 / 2 = 6.25 g
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>
~AH1807</h3>
Answer: i think it is.
you cant divide both numbers by the same number
Step-by-step explanation:
Answer:
G
Step-by-step explanation:
Answer:
y=4/5+3 and 3/5
Step-by-step explanation: