Answer:
By helping with money and answers
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The equation is 
15x = 610
Step-by-step explanation:
A dime is 10 cents while a nickel is 5 cents 
$6.10 is same as 610 cents 
Let the number of dimes and number of nickels be x
10x + 5x = 610
15x = 610 
 
        
             
        
        
        
Answer:
The value of f(x) when x=-1 is 0.5
Therefore 
Step-by-step explanation:
Given that y=f(x)=
to find the f(x) when x=-1 :
That is to find f(-1)
Put x=-1 in the given function f(x)=



Therefore 
The value of f(x) when x=-1 is 0.5
 
        
             
        
        
        
Scientific notation means the numbers have to be between 1 and 10, so here is the answer as well as where to move the decimal