Answer:percentage of the  decaffeinated Tea =20%
Step-by-step explanation:
Number of teas sold in the tea shop =30
Number of caffeinated teas=24
 Number of decaffeinated =  Total teas sold -Number of caffeinatedteas
30-24=6
percentage of the  decaffeinated Tea =6/30 x 100 =20%
 
        
             
        
        
        
Answer:
using pythagoras theorem
a^2+b^2=c^2
8^2+x^2=(x+2)^2
64+x^2=x^2+2*x*2+2^2
64+x^2=x^2+4x+4(here x^2 of left hand side and x^2 of right hand side gets cancel)
64=4x+4
64-4=4x
60/4=x
15=x
Step-by-step explanation:
 
        
                    
             
        
        
        
The initial expression is:

So we can solve for r so:
 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
9 is a whole number 2 surge of 1 is 66 answer to 9.66