chloeksmith14 chloeksmith14

16-12-2014
Mathematics

Answered

What is the ratio of the length of the input lever arm ti the length of the output lever arm was 6 to 5. If the entire lever is 132 inches long, how long is the input lever arm?

Answer :

16-12-2014

[tex]6x-\ length\ of\ first \ lever\ arm\\ 5x-\ length\ of\ second] lever\ arm\\\\ 6x+5x=132\\\\ 11x=132\ \ \ | divide\ by\ 11\\\\ x=12\\\\ 5x=60\\\\ in\ put\ lever\ arm\ is\ 60in\ long [/tex]

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