Answer:H2+Br2-->2HBr
Step-by-step explanation:
The amount of atoms on the left side must be equal to the amount of atoms on the right side for each element.
On the left you got 2xH and 2xBr.
This means you must have the same amount on the right.
2HBr =2xH + 2xBr
9=5 -y/3
-5
3=-y/3
cross multiply
1=-y
y=-1
Answer:
A
Step-by-step explanation:
c and d cannot be since the answer to sqrt((900f^6)/(100g^4)) is 3f³/g²
and not 30f something.
the best answer I see is correct is a.
Answer:
Value of Cos 120 is -½.
Step-by-step explanation:
Answer:45 degrees
Step-by-step explanation:
360/8 sides =45