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anonymous

  • one year ago

help pls! Determine if the proportion is true. If it is not true, correct the error. v/x = x/v+w A. true B. false, it should be w/x = x/v+w C. false, it should be v/y = y/v+w D. false, it should be y/x = x/v+w

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    @jim_thompson5910

  3. anonymous
    • one year ago
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    @Vocaloid hlp

  4. jim_thompson5910
    • one year ago
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    let me think

  5. jim_thompson5910
    • one year ago
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    |dw:1436931408196:dw|

  6. jim_thompson5910
    • one year ago
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    lets say this angle is 30 degrees |dw:1436931466044:dw|

  7. jim_thompson5910
    • one year ago
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    what is this angle here? |dw:1436931489620:dw|

  8. anonymous
    • one year ago
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    30?

  9. jim_thompson5910
    • one year ago
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    30 + _____ = 90 fill in the blank

  10. anonymous
    • one year ago
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    ok 60

  11. jim_thompson5910
    • one year ago
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    |dw:1436931571369:dw|

  12. jim_thompson5910
    • one year ago
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    |dw:1436931579069:dw|

  13. anonymous
    • one year ago
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    oo i have no idea.. 60???

  14. jim_thompson5910
    • one year ago
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    60 plus something gives 90

  15. anonymous
    • one year ago
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    30

  16. anonymous
    • one year ago
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    the total of those two is 120 right

  17. jim_thompson5910
    • one year ago
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    |dw:1436931745719:dw|

  18. jim_thompson5910
    • one year ago
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    |dw:1436931757685:dw|

  19. jim_thompson5910
    • one year ago
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    since w and x correspond, we know that w/x is part of the proportion

  20. anonymous
    • one year ago
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    so..

  21. jim_thompson5910
    • one year ago
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    x is a hypotenuse of this right triangle |dw:1436931876641:dw|

  22. jim_thompson5910
    • one year ago
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    w+v is the hypotenuse of this right triangle |dw:1436931905183:dw|

  23. anonymous
    • one year ago
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    so its false

  24. jim_thompson5910
    • one year ago
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    yes and it should be \[\Large \frac{w}{x} = \frac{x}{v+w}\] because we have x and w corresponding, along with x and v+w pairing up

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