Answer:
length of its each side is 786 cm
Step-by-step explanation:
l² = 617796cm² 
l = √617796
l = 786cm
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
<u>Use identities to set the equation up as a quadratic</u>

<u>Make the substitution u=cos(x) and solve the quadratic</u>
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Hence, 
 
        
             
        
        
        
Answer:
x=5
Step-by-step explanation:
-5(-x - 1) + 4x – 1= 49
Distribute
5x +5 +4x -1 = 49
Combine like terms
9x +4 = 49
Subtract 4 from each side
9x+4-4 = 49-4
9x = 45
Divide by 9
9x/9 =45/9
x = 5
 
        
                    
             
        
        
        
It is the answer D, because 9 it’s in all answers
        
             
        
        
        
Answer:
cant see the table
Step-by-step explanation: