Answer:
Step-by-step explanation:
F(X)=(1/5)^T/175
 
        
             
        
        
        
Answer:
b
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
The height of wall is 3 feet and length of wall is 5 feet
Step-by-step explanation:
Given as :
The Area of retaining wall = 15 square feet 
Let The width of wall = W feet
The Height of wall = ( W - 2 ) feet
Now, Area of Rectangle = Height  width
Or , 15 ft² = ( W - 2 ) ft × W ft
Or,  15 = W² - 2 W 
Or,   W² - 2 W - 15 = 0
Or,  W² - 5 W + 3 W - 15 = 0
Or, W ( W - 5 ) + 3 ( W - 5 ) = 0
So , ( W - 5 ) ( W + 3 ) = 0
So, W = 5 , - 3
∴ The width of wall = W = 5 feet
And The Height of wall = ( W - 2 ) = 5 - 2 = 3  feet
Hence The height of wall is 3 feet and length of wall is 5 feet. Answer
 
        
             
        
        
        
Wednesday - 6 barrels
Thursday-3/5*6=18/5=3.6 barrels