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just_one_last_goodbye

  • one year ago

Can anyone help me? Medal and Fan

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  1. just_one_last_goodbye
    • one year ago
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    Hey @satellite73 give me a sec

  2. just_one_last_goodbye
    • one year ago
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    \[\sqrt{18} + \sqrt{2}\]

  3. Nnesha
    • one year ago
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    what are factors of 18 ?

  4. just_one_last_goodbye
    • one year ago
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    Which statement is true about the expression? It is rational and equal to 3. It is rational and equal to 4. It is irrational and equal to 3 multiplied by the square root of 2. It is irrational and equal to 4 multiplied by the square root of 2.

  5. just_one_last_goodbye
    • one year ago
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    Factors of 18 are 6 x 3

  6. just_one_last_goodbye
    • one year ago
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    2 x 9

  7. Nnesha
    • one year ago
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    ^ better one of number must be perfect square root |dw:1438785939285:dw| now take square root of 9

  8. just_one_last_goodbye
    • one year ago
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    OK

  9. just_one_last_goodbye
    • one year ago
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    What now?

  10. Nnesha
    • one year ago
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    square root of 9 = 3 \[\huge\rm 3\sqrt{2}+\sqrt{2}\] square root of common in both terms so take it out

  11. just_one_last_goodbye
    • one year ago
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    So A correct?

  12. just_one_last_goodbye
    • one year ago
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    since it's equal to 3?

  13. Nnesha
    • one year ago
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    how is it equal to 3 ?

  14. just_one_last_goodbye
    • one year ago
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    9 = 3 x 3

  15. Nnesha
    • one year ago
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    when you take out sqrt from 3sqrt{2} what will u have left ?

  16. just_one_last_goodbye
    • one year ago
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    OH I see now so it's C?

  17. Nnesha
    • one year ago
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    in other words divide both terms by common factor which is square root 2 \[\frac{ 3\sqrt{2} }{ \sqrt{2} }+\frac{ \sqrt{2} }{ \sqrt{2} }\]\\[\sqrt{2}(?????)\] sqr{2} divide by square root 2 = ?

  18. just_one_last_goodbye
    • one year ago
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    Is it 2?

  19. Nnesha
    • one year ago
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    \[\frac{ \sqrt{2} }{ \sqrt{2} }\] i said divide not multiply :=)

  20. just_one_last_goodbye
    • one year ago
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    1?

  21. Nnesha
    • one year ago
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    yes right so when you take out sqr{2} from sqrt{2} 1 is left |dw:1438786438226:dw| when you take out square root of 2 from 3sqrt{2} 3 is left so now combine 3+1 = answer

  22. just_one_last_goodbye
    • one year ago
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    4

  23. Nnesha
    • one year ago
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    yes right so 4sqrt{2}

  24. just_one_last_goodbye
    • one year ago
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    Thanks so much @Nnesha

  25. Nnesha
    • one year ago
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    my pleasure.

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