Because it is like having a unit of measurement that is set
lets say that in a certain country, one serving of bread is 1/2 of the standard loaf
and if you have 3 servings, you have 3/2 loaf so the bottom number tells you how many parts out of 1 whole you have
        
             
        
        
        
Answer:
    72 km/hour
Step-by-step explanation:
20 m/s × (1 km/(1000 m)) × (3600 s/h) = 72 km/h
The rate is 72 kilometers per hour.
 
        
                    
             
        
        
        
Answer:
i think the answer is A. 2x^3y^2
 
        
             
        
        
        
For this case we have the following polynomial:

To find the value of c that completes the square, we use the following equation:

Where,
- <em>b: coefficient of the variable of degree 1
</em>
Substituting values we have:

Answer:
the value of c that completes the square is:

 
        
             
        
        
        
Answer:
He would need   cups of grapes
 cups of grapes