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brucebaner

  • one year ago

help me @nikato @astrophysicis

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  1. brucebaner
    • one year ago
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  2. brucebaner
    • one year ago
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    a?

  3. Astrophysics
    • one year ago
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    No, \[\sqrt{36} = 6 \implies \frac{ 6 }{ 1 } \implies rational\]

  4. brucebaner
    • one year ago
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    b

  5. Astrophysics
    • one year ago
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    There is only one obvious one, that should stick out.

  6. Astrophysics
    • one year ago
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    Please, don't guess

  7. Astrophysics
    • one year ago
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    What is the \[\sqrt{49} ?\]

  8. brucebaner
    • one year ago
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    sorry guys im not good at this :(

  9. Astrophysics
    • one year ago
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    Remember irrational numbers can't be written as fractions so something like pi, pi = 3.14159265....and you cannot simplify it into a ratio.

  10. Astrophysics
    • one year ago
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    It's ok, don't worry that's why we're here to help you understand :)

  11. Astrophysics
    • one year ago
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    \[\sqrt{49} \implies 7 \implies \frac{ 7 }{ 1 }\] so is this rational or irrational?

  12. brucebaner
    • one year ago
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    rational

  13. Astrophysics
    • one year ago
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    Good! Because we can treat it as a simple fraction, now the next one, do you think we can treat is as the others?

  14. Astrophysics
    • one year ago
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    You would need a calculator for this one, so that should give you some hint :P

  15. brucebaner
    • one year ago
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    so i think D

  16. Astrophysics
    • one year ago
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    Why is D irrational?

  17. Astrophysics
    • one year ago
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    What is the square root of 121

  18. brucebaner
    • one year ago
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    11

  19. brucebaner
    • one year ago
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    @Astrophysics

  20. Astrophysics
    • one year ago
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    Yes, good bruce, so we can treat that as 11/1 right, so that will be rational as well, meaning our answer is? :)

  21. brucebaner
    • one year ago
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    c

  22. brucebaner
    • one year ago
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    can you help me with 1 more?

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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