Answer:
Option (B) is correct.
The mass of the reactants equals the mass of the products.
Step-by-step explanation:
According to law of conservation of mass :
In a balanced chemical equation, the mass of reactants is always equal to the mass of products.
Here, Water 
is the reactant which has 4 units of Hydrogen and 2 units of oxygen.
and 
are products which also has 4 units 4 units of Hydrogen and 2 units of oxygen.
Thus, The mass of the reactants equals the mass of the products.
Thus, option (B) is correct.
Answer:
x = 7 , -1
Step-by-step explanation:
<u>SOLUTION :-</u>
- Add 11 to both the sides.
- Divide both the sides by 4.
- Root square both the sides.
Here , x will have two values -
1) 
2) 
<u>VERIFICATION :-</u>
When x = 7 ,
When x = -1 ,
We can make 0.7033 an improper fraction by multiplying it by 10,000 to get:
7033/10,000
Note that this cannot be a mixed number because 10,000, the denominator, is greater than 7033, the numerator.
You may have misspelled or typoed the question, or the question might be wrong, because 0.7033 can't be written as a mixed number.
Answer:
31.4 inches
Step-by-step explanation:
36+144 = 180
sqrt(180) = 13.41
6 + 12 + 13.4
