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Ammarah

  • 2 years ago

Given CB/BA = DE/EF, find BA.

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  1. Hero
    • 2 years ago
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    Hint: BA/CB = EF/DE

  2. Ammarah
    • 2 years ago
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    no i need help on anothe rquestion

  3. Ammarah
    • 2 years ago
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    not this one

  4. Ammarah
    • 2 years ago
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    2/a-4=3/9

  5. Ammarah
    • 2 years ago
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    You need to solve the porportion.

  6. Hero
    • 2 years ago
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    No I do not. You need to solve it. It is not hard. All you have to do is cross multiply.

  7. Ammarah
    • 2 years ago
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    i did.

  8. Ammarah
    • 2 years ago
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    |dw:1354844110291:dw|

  9. Ammarah
    • 2 years ago
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    I this right?

  10. Hero
    • 2 years ago
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    18 = 3(a - 4) 18 = 3a - 12 18 + 12 = 3a 30 = 3a 30/3 = a 10 = a

  11. Ammarah
    • 2 years ago
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    thats what i did...

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