To do this, you simply need to substitute in 9 for n in the expression.
15 - n
= 15 - (9)
= 6
Hope this helps! :)
Answer:
The answer is A, 7
Step-by-step explanation:
35÷5=7
The process of combustion involves reacting fuel with a
given oxidant (most of the time oxygen from the atmosphere). Complete
combustion is a type of combustion that produces carbon dioxide and water. An
example of this is 2C2H6 + 7O2 = 4CO2 + 6H2O.
Answer:
b= 25
Step-by-step explanation:
a+b =72
a-b = 22
2a = 94
DBS(Divide Both Side) by 2
a = 47
=47 +b =72
and:
47 -b =22
subtract 47 from both sides:
b=25
and
-b = -25 MBS(Multiply Both Side) by-1 ....>b=25
Answer:
hi
Step-by-step explanation:
