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anonymous

  • 5 years ago

will the expression 5/x always be less than5 explain

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  1. myininaya
    • 5 years ago
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    false: counterexample: x=5^-2 so we 5/(5^-2)=5(5)^2=125>5

  2. anonymous
    • 5 years ago
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    i am in the 7th grade i don't understand your repy, plz help

  3. myininaya
    • 5 years ago
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    do you know law of exponents?

  4. anonymous
    • 5 years ago
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    no

  5. myininaya
    • 5 years ago
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    ok what happens of x=0.1 what is 5/x=____

  6. myininaya
    • 5 years ago
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    if*

  7. myininaya
    • 5 years ago
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    what is 5/(0.1)=____

  8. anonymous
    • 5 years ago
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    what is 5 divided by 0.1?

  9. myininaya
    • 5 years ago
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    yes

  10. myininaya
    • 5 years ago
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    5/(0.1) you could multiply the top and bottom by 10 and if you did what is this fraction equivalent to____

  11. myininaya
    • 5 years ago
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    what is 5*10=____

  12. anonymous
    • 5 years ago
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    50

  13. myininaya
    • 5 years ago
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    what is 0.1*10=___

  14. anonymous
    • 5 years ago
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    .10

  15. myininaya
    • 5 years ago
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    no 0.1*10=1 0.01*10=0.1 0.001*10=0.01 what is 0.0001*10=____

  16. anonymous
    • 5 years ago
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    is that divided?

  17. myininaya
    • 5 years ago
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    * means multiply

  18. anonymous
    • 5 years ago
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    ok so the answer would be no because it can be broken down in a simpler form

  19. myininaya
    • 5 years ago
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    i don't know what you are talking about, but the question is 5/x always less than 5 is false. A counterexample would be for x=0.1 since 5/(0.1)=5/(0.1)*(10/10)=50/1=50 and 50>5

  20. myininaya
    • 5 years ago
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    there are many different counterexamples

  21. myininaya
    • 5 years ago
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    but you only need one

  22. anonymous
    • 5 years ago
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    ok so it can be many other examples

  23. myininaya
    • 5 years ago
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    there are some examples that will show this is true( so the always part is false since there are also examples showing that the statement is false)

  24. anonymous
    • 5 years ago
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    thank you is math your favorite subject?

  25. myininaya
    • 5 years ago
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    yes lol

  26. anonymous
    • 5 years ago
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    ok great thank you, i have tons of other questions to finish

  27. myininaya
    • 5 years ago
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    ok have fun

  28. anonymous
    • 5 years ago
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    ok

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