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iheartfood

  • 3 years ago

Simplify the expression!! :)

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  1. iheartfood
    • 3 years ago
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    |dw:1353809728543:dw|

  2. iheartfood
    • 3 years ago
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    A. 5e/2 B. 5/x2 C. 10ex D. 5 - 2 ln(x)

  3. cnknd
    • 3 years ago
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    here are the formulas u can use: ln(A*B) = ln(A) + ln(B) ln(A/B) = ln(A) - ln(B)

  4. LolWolf
    • 3 years ago
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    Don't forget: \[ \ln(a^b)=b\ln(a) \]And: \[ \ln(e)=1 \]

  5. iheartfood
    • 3 years ago
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    k so i have to rearrange it right?

  6. LolWolf
    • 3 years ago
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    Try using those rules.

  7. iheartfood
    • 3 years ago
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    im not quite sure how.. can u pls show me?

  8. CliffSedge
    • 3 years ago
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    Use this one first. ln(A/B) = ln(A) - ln(B)

  9. iheartfood
    • 3 years ago
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    k but how do i plug them in?? i have a hard time figuring out what to plug into where..

  10. CliffSedge
    • 3 years ago
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    |dw:1353811209406:dw|

  11. iheartfood
    • 3 years ago
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    |dw:1353811258993:dw| is that it?

  12. CliffSedge
    • 3 years ago
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    Ok, now use this: ln(a^b)=b*ln(a)

  13. iheartfood
    • 3 years ago
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    |dw:1353811431501:dw| is that right?

  14. CliffSedge
    • 3 years ago
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    I'm not sure what that is. Here's how I see it. |dw:1353811722405:dw|

  15. iheartfood
    • 3 years ago
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    kk :) following:)

  16. CliffSedge
    • 3 years ago
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    Do you see how that matches the pattern of ln(a^b)=b*ln(a) ?

  17. iheartfood
    • 3 years ago
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    yeah :) so what do i do next? :)

  18. CliffSedge
    • 3 years ago
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    Last is to use this: ln(e)=1

  19. iheartfood
    • 3 years ago
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    do i get this? 5-2ln(x) ??

  20. iheartfood
    • 3 years ago
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    @CliffSedge ?

  21. ktnguyen1
    • 3 years ago
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    I think u got it corrct 5-2ln(x)

  22. iheartfood
    • 3 years ago
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    are u sure?? based on what @CliffSedge said, it leads to my answer being D. 5-2ln(x) ??

  23. iheartfood
    • 3 years ago
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    @ktnguyen1 ? :)

  24. ktnguyen1
    • 3 years ago
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    Yeah D. Is correct one. Im quite sure:)

  25. iheartfood
    • 3 years ago
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    kk thank you :)

  26. ktnguyen1
    • 3 years ago
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    You r wlcm! Pretty much you got iy yourself:)

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