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anonymous
 one year ago
What is the length of CD?
http://media.apexlearning.com/Images/201004/04/19ddb83b92c748358ee0d1c224289299.gif
anonymous
 one year ago
What is the length of CD? http://media.apexlearning.com/Images/201004/04/19ddb83b92c748358ee0d1c224289299.gif

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Can please someone help me with this one?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2the triangles are similar, simply set up a proportion and solve x

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2\[\large \dfrac{15x}{x}=\dfrac{20}{5}\] solve \(x\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh ok thank you so once I solve it then that will be the answer right?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2what do you get when you solve ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Wait let me solve it

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 3.75. Is that right?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2doesn't look correct try again

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2\[\large \dfrac{15x}{x}=\dfrac{20}{5} \] canceling common factor 5 on right hand side fraction gives \[\large \dfrac{15x}{x}=\dfrac{4}{1}\] yes ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2cross multiply and get \[15x = 4x\]

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2add \(x\) both sides \[15 = 5x\]

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2divide \(5\) both sides \[3=x\] which is same as \[x=3\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Got it, thank you so much :)
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