Answer:
x+x+4= 36
2x= 36
x= 18 She has 18 nickels and 36-18= 18 dimes
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
The screen is black? there is nothing there
Step-by-step explanation:
this is nonsense man
 
        
             
        
        
        
Y ~ Po (λ)
P(Y < 2) = P(Y ≤ 1) = 0.04
Plug into the pdf for Po(λ), and solve for λ
After that, use your answer to find P(Y > 5)
        
             
        
        
        
Answer:
77
Step-by-step explanation:
percentage         Students
78%--------------     -273 
100%--------------      ---X
(100x273)/78 = 350 students in class so
how many did  not pass? 
350-273 = 77 students not pass
 
        
                    
             
        
        
        
Answer:
.
Step-by-step explanation: