Answer:
2.5
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Your answer is 15
Step-by-step explanation:
1) 6 + 4 = 10
2) -4 + -1 = -5 
3) now add
4) 10 + -5 + 15 
5) it's 15 because the bigger is positive.
 
        
             
        
        
        
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Answer:
C
Step-by-step explanation:
3*-4
 
        
             
        
        
        
Answer:
   $6261.61
Step-by-step explanation:
The solution to the differential equation is the exponential function ...
   A(t) = 5000e^(0.0225t)
We want the account value after 10 years:
   A(10) = 5000e^(0.225) = 6261.61
The value of the account after 10 years will be $6,261.61.
_____
The rate of change equation basically tells you that interest is compounded continuously. After working interest problems for a while you know the formula for that is the exponential formula A = A0·e^(rt). 
Or, you can solve the differential equation using separation of variables:
   dA/A = 0.0225dt
   ln(A) = 0.0225t +C . . . . integrate
   A(t) = A0·e^(0.0225t) = 5000·e^(0.0225t) . . . . solution for A(0) = 5000