Answer: 34
Step-by-step explanation:
Substitute n with 9 
-14+3(9-1)(2)
-14+3(8)(2)
= 34
 
        
             
        
        
        
Step-by-step explanation:


5(a-3)(a-3)
5(a-3)^2

X^4(2x+1) - (2x+1)
(x^4-1)(2x+1)
(x^2-1)(x^2+1)(2x+1)
(x-1)(x-1)(x^2+1)(2x+1)
 
        
             
        
        
        
168cm2
Let r cm be the radius of the balloon, then 
<span>2pi(r)=23=>r=23/(2pi) </span>
<span>The surface area= </span>
<span>4pi(r^2)= </span>
<span>4pi[23/2pi)]^2= </span>
<span>(23^2)/pi=168.386 cm^2 </span>
<span>approximately.</span>
        
             
        
        
        
Answer: x = 6
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
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Step-by-step explanation:
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