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Math Help - Transposition question

  1. #1
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    Transposition question

    i had the most difficult question given to me the other day and i still dont know how to do it!

    the question read

    in the following formulae transpose to make the given variable the subject of the formula.

    A. stress= load divided area for area

    find out its valu when stress = 125KN/m2 and load = 213.5KN to 1 decimal place.

    could someone please show me the steps into how to work this out!!!
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by jm16 View Post
    i had the most difficult question given to me the other day and i still dont know how to do it!

    the question read

    in the following formulae transpose to make the given variable the subject of the formula.

    A. stress= load divided area for area

    find out its valu when stress = 125KN/m2 and load = 213.5KN to 1 decimal place.

    could someone please show me the steps into how to work this out!!!
    let stress be S
    let load be L
    let area be A

    then we have S = \frac LA

    \Rightarrow SA = L ................multiplied both sides of the equation by A

    \Rightarrow A = \frac LS .................divided both sides by S

    now you can answer the question (?)
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