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Mandy86

  • 4 years ago

Add or subtract as indicated. 7 - 5 A. 12 B. 2 C. -11 D. -3

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  1. lilg132
    • 4 years ago
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    lol

  2. mitosuki
    • 4 years ago
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    7 - 5 = 2 B

  3. Mandy86
    • 4 years ago
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    7\[7\sqrt{7}-5\sqrt{7}\]

  4. lilg132
    • 4 years ago
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    take 5 away from 7 what do you get? (use your fingers to help)

  5. Mandy86
    • 4 years ago
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    no it didnt work

  6. Tomas.A
    • 4 years ago
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    \(\sqrt7(7-5)\)

  7. mitosuki
    • 4 years ago
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    2√7

  8. Mandy86
    • 4 years ago
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    oops wrong question

  9. Tomas.A
    • 4 years ago
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    lol

  10. amistre64
    • 4 years ago
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    |dw:1323112516020:dw|

  11. Mandy86
    • 4 years ago
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    \[\sqrt{3}(\sqrt{7} - \sqrt{5})\]

  12. Mandy86
    • 4 years ago
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    mutiliply or simply

  13. Mandy86
    • 4 years ago
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    do i distrubt the 3

  14. Tomas.A
    • 4 years ago
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    it's already simplified

  15. Tomas.A
    • 4 years ago
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    you can distribute but this form is ok too

  16. Mandy86
    • 4 years ago
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    \[3\sqrt{7}+3\sqrt{5}\]

  17. Mandy86
    • 4 years ago
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    it says simplify but this is right

  18. Mandy86
    • 4 years ago
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    oh its suppose to be minus not add. So its \[\sqrt{27}-\sqrt{15}\]

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