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anonymous

  • one year ago

I need help with Segments...can someone please help?

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  1. anonymous
    • one year ago
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    @Forgiveness can you help me some more please?

  2. anonymous
    • one year ago
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    Given segment AC and point B that lies in AC, find CB if AC = 27, AB = 50+7x, and CB = 21+4x

  3. phi
    • one year ago
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    draw a line segment, and label it |dw:1441137850007:dw|

  4. phi
    • one year ago
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    I would add up 50+7x and 21+4x can you do that ?

  5. anonymous
    • one year ago
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    combine like terms basically?

  6. anonymous
    • one year ago
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    I got 71+11x

  7. phi
    • one year ago
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    and that represents the sum of segments AB and BC, which is the entire length of AC so we can say 11x+71 = 27 can you "solve for x" ?

  8. anonymous
    • one year ago
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    its -4

  9. phi
    • one year ago
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    we want CB CB = 21+4x and x= -4

  10. anonymous
    • one year ago
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    that would be 5

  11. phi
    • one year ago
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    yes, so the answer is CB is 5 and AB (if we cared) is 22

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