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What is the value of n?

 Mar 19, 2018
 #1
avatar+100588 
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This is the intersecting chord theorem......we have that

 

(n + 1) * 18  =  9 * (n + 7)    simplify

 

18n + 18  = 9n + 63    subtract 18, 9n from both sides

 

9n  =  45     divide both sides by 9

 

n  = 5

 

 

cool cool cool

 Mar 19, 2018

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