Answer:
 
  
Step-by-step explanation:
we know that
The  formula to calculate the depreciated value  is equal to  
 
  
where  
V is the depreciated value  
P is the original value  
r is the rate of depreciation  in decimal  
x  is Number of Time Periods  
in this problem we have  

substitute
 
  
 
        
             
        
        
        
Oh ok so square root of 2 is irrational since it goes on and on. square root of 18 is an irrational number too 
        
             
        
        
        
Answer:
whattttttt
Step-by-step explanation:
whattttt
 
        
                    
             
        
        
        
Answer:
819
Step-by-step explanation:
Givens
Formula
Sum = a(1 - r^n) / ( 1 - r)
Sum = -1(1 - (-4)^6 / (1 - -4)
Sum = -1 (1 - 4096) / 5
Sum = -1 (- 4095 ) / 5
Sum = 819