An isosceles triangle in which the two equal sides, labeled x, are longer than side y. The isosceles triangle has a perimeter of
 7.5 m. Which equation can be used to find the value of x if the shortest side, y, measures 2.1 m?
 
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
X= p-y/2
i also provided some working 
 
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Answer:
3 - x =-9
3+ 9 =x 
x = 12
so, correct answer 
 x =12
 
        
                    
             
        
        
        
Answer:
70°
Step-by-step explanation:
 
 
 
 
 
 
 
        
             
        
        
        
I believe it would be 45 miles.
        
             
        
        
        

 the answer is 11
 
        
             
        
        
        
Answer:
=8+2(5-x)
=8+10-2x
=18-2x