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Homework Help: Need help w the math

  1. May 5, 2005 #1
    HI, i cant solve this equation. I am solving for B the answer in the book does not match mine. PLZ help.

    (1.5999A)^2= B^2 + A^2

    the answer in the book is 1.247
  2. jcsd
  3. May 5, 2005 #2


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    Homework Helper

    What is A? You need two equations to solve for two variables.
  4. May 5, 2005 #3
    thats all i have. the parent equation was

    .0251A=.0157sqrtB^2 + A^2
  5. May 5, 2005 #4
    Are you absolutely sure the answer in the book isn't "1.247A"? :wink:

    Anyway, just subtract A^2 from both sides and take a square root to get that answer.
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