Question:- how many 50 cents coins are there in $10.50
Answer:- 
Total amount-> $ 10.50
So amount in cents 
$ 1 is equal to 100 cents 
$10.50 is equal to 1050 cents 
According to the question


 
        
             
        
        
        
2/20 is equivalent to 1/10 because 2/2 is equal to 1 and 20/2 is equal to 10.
        
             
        
        
        
Answer:
I came up with -12
Step-by-step explanation:
8 workers = 6 days to complete
x workers = 4 days faster to complete 
6/4=1.5 days faster
1.5 x 8 = 12 workers needed to complete the wall in fours days 
 
        
             
        
        
        
the longer side / the shorter side must be the same for rectangles to be similar.
For  A:  105 / 80  =  1.32
For  B:  120 / 90  =  1.33
For  C:  100 / 75  =  1.47
 
So... only  A  and  B are similar.
 
        
                    
             
        
        
        
 Answer:
2sin^2(3x)
Step-by-step explanation: