8 X
----- = ------
20 40000
40000/20=2000
2000*8=16000
X=16000
Answer:
Na20+H20 -> 2NaOH
Step-by-step explanation:
10+(-2)=10-2
Therefore 10-2=8
Answer:
(1, -7)
Step-by-step explanation:
the difference between -4 & 6 is 10 so you add 5 (half) to -4 or subtract from 6, this gives you 1
you do the same for -9 and -5, the midpoint for those being -7, I hope this helps