Answer:
The number would be 16.
Step-by-step explanation:
If you have a specific number of apples, and then pluck 3 more, you have 19. So this can be modeled as 19-3, which gives you the original
 
        
                    
             
        
        
        
9514 1404 393
Answer:
   3.14
Step-by-step explanation:
The formula for the area of a circle is ...
   A = πr²
The constant of proportionality is the constant in this equation: π. To two decimal places, the value of π is 3.14.
The constant of proportionality is about 3.14.
 
        
             
        
        
        
Answer:
It will cost: £28.28
Step-by-step explanation:
Area of sphere = 4 x π x r2
Area of Circle = 4 x π x 3^2 = 113.097 (radius is half of diameter)
113.097 / 0.25 = 28.28
 
        
             
        
        
        
Answer:
5.4
Step-by-step explanation:
3x+38=10x
-3x         -3x
38=7x
x=5.4
Brainliest pleaseeeeeee