Answer:
$8 ; 66 cents 
Step-by-step explanation:
Given that:
Worth of penny, dimes and Nickel in cents and dollars 
Nickel, n = 5 cents = $0.05
Dimes, d = 10 cent = $0.1
Penny, p = 1 cent = $0.01
Multiplying the number of each coin with its respective value ;
386(0.01) + 58(0.05) + 19(0.1)
$3.86 + $2.9 + $1.9
= $8.66
Changing it to dollar , 
$8.66 dollars = 8 dollars ;
$0.66 = 66 cents 
 
        
             
        
        
        
Electromagnetic (EM) waves
        
             
        
        
        
Answer:
y = 11
Step-by-step explanation:
Plug 4 in for x. 
3 + 2(4) = y
Multiply.
3 + 8 = y
Simplify.
11 = y
 
        
                    
             
        
        
        
Perimeter = sum of all the sides
let x = one side
longer side = x + 10
Perimeter = x + x + x + x + 10
62 = 4x + 10
4x = 52
x = 13
Longer side = 23
Area = (10+23)x2/10
         = 6.6  
        
                    
             
        
        
        
Answer:
320,000 is the answer 
Step-by-step explanation:
have a good day!!