Bill received a total of $12 to feed a neighbour’s cat for 3 days. How much he earns in one day? How many days will he have to f
eed the cat to earn $40?
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
Answer:
He receives $4 in one day. It will take him 10 days to earn $40.
Step-by-step explanation:
 
                                
             
                    
              
              
                
                
Answer:
3 days - $12 
1 day - $ 12/3
          - $4
So, he earns $4 to feed the neighbour's cat for a day.
$4 - 1 day
$40 - 1 * 10 days
$40 - 10 days
If my answer helped, kindly mark me as the brainliest!!
Thanks!!
 
                                
             
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Answer:
10
Step-by-step explanation:
We want to find k when y=kx
2y = 20x
Divide each side by 2
2y/2 =20x/2
y = 10x
The constant of proportionality is 10
 
        
             
        
        
        
Answer:

Step-by-step explanation:
 
        
             
        
        
        
Answer:
2
Step-by-step explanation:
Its pretty easy math
 
        
             
        
        
        
ANSWER

EXPLANATION 
We were given that, 

This implies that, 

We use the Pythagorean identity 

to get, 

We were also given that, 

This means that, 

This is because, 


This angles are in the first quadrant so we pick the positive values. 




The correct answer is D