Answer:
The value of (x + y)³ is 1728.
Step-by-step explanation:
First, you have to find the value of x + y :
x² + 2xy + y² = 144
x² + xy + xy + y² = 144
x(x + y) + y(x + y) = 144
(x + y)(x + y) = 144
(x + y)² = 144
x + y = √144
x + y = 12
Next, the value of (x + y)³ :
(x + y) = 12³ = 1728
 
        
                    
             
        
        
        
Answer:
She has 42 pieces of wood each of 1 inch of length.
Step-by-step explanation:
Amy has 42 inches piece of wood. 
She has to cut an inch.
After cutting pieces of inch each she counts the pieces to be 42.
Mathematically
Total length / unit lenght = Number of pieces
42 inches/ 1 inch= 42 pieces.
She has 42 pieces of wood each of 1 inch of length.
 
        
             
        
        
        
Answer:
11.4972 USD
Step-by-step explanation:
Approx. 11.50 
 
        
             
        
        
        
Elapsed time from 105pm to 440am is 15 hours and 35 minutes.
        
                    
             
        
        
        
That’s 125 times 9!!! which is 1125!!!