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sasa01

find the value of a and b.

  • one year ago
  • one year ago

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  1. sasa01
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    |dw:1352972555079:dw|

    • one year ago
  2. sasa01
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    |dw:1352972635638:dw|

    • one year ago
  3. dpaInc
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    i'm thinking that that 36 is an angle measure and not a length of a side?

    • one year ago
  4. sasa01
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    i thought that is that length of a side

    • one year ago
  5. dpaInc
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    hmmm... is there anymore info to this problem?

    • one year ago
  6. sasa01
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    none

    • one year ago
  7. dpaInc
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    in that case, idk.... :( sorry....

    • one year ago
  8. sasa01
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    |dw:1352973186108:dw|

    • one year ago
  9. sasa01
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    how about this??

    • one year ago
  10. sasa01
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    |dw:1352973729195:dw|

    • one year ago
  11. dpaInc
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    you'll have to solve a system of two equations with two unknowns: 3a + b = 90 7a = b + 90 do you understand where these equations came from?

    • one year ago
  12. sasa01
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    how?

    • one year ago
  13. sasa01
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    how will i compute these?

    • one year ago
  14. sasa01
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    can you show me how to solve this

    • one year ago
  15. dpaInc
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    are you asking how i got these equations OR how do you solve this system of equations?

    • one year ago
  16. sasa01
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    how to solve

    • one year ago
  17. dpaInc
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    just like solving any system of linear equations, you can do elimination or substitution.... these terms ring a bell?

    • one year ago
  18. dpaInc
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    maybe if i write the equations this way you'll prolly be able to do elimination: 3a + b = 90 7a - b = 90 add these equations to eliminate the "b" unknown....

    • one year ago
  19. dpaInc
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    sorry.... i gotta make like a baby and head out..... gotta go... cya....

    • one year ago
  20. sasa01
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    thanks

    • one year ago
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spraguer (Moderator)
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