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dmezzullo

  • 3 years ago

[2.08] The formula for degrees Celsius is: C = 9 over 5 (F − 32), where F stands for degrees Fahrenheit. Part 1: Solve the formula for F. Show all steps. Part 2: Determine how many degrees Fahrenheit 4 degrees Celsius is.

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  1. dmezzullo
    • 3 years ago
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    show how to do every step

  2. dmezzullo
    • 3 years ago
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    @AriPotta

  3. dmezzullo
    • 3 years ago
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    @swissgirl

  4. AriPotta
    • 3 years ago
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    i thought it was 5/9?

  5. dmezzullo
    • 3 years ago
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    it is

  6. AriPotta
    • 3 years ago
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    but you wrote 9/5. i'm just making sure

  7. AriPotta
    • 3 years ago
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    idk :/ it's probably 9/5, nvm

  8. swissgirl
    • 3 years ago
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    can u draw the equation cuz I so dont follow it

  9. AriPotta
    • 3 years ago
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    |dw:1352686957842:dw|

  10. swissgirl
    • 3 years ago
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    ok gotcha

  11. dmezzullo
    • 3 years ago
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    |dw:1352687047882:dw|

  12. swissgirl
    • 3 years ago
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    Now our first step would be to isolate our F

  13. AriPotta
    • 3 years ago
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    it's 5/9 now? ugh

  14. swissgirl
    • 3 years ago
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    So first we divide the 5/9 \(\large C*\frac{9}{5} = \frac{5}{9}*\frac{9}{5} (F-32)\) \(\large \frac{9}{5}C=F-32\) Then we add 32 to both sides: \(\large \frac{9}{5}C+32=F-32+32\) \(\large \frac{9}{5}C+32=F\) And there you go there is your formula for F

  15. swissgirl
    • 3 years ago
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    ohhh whoops I meant multiply instead of divide

  16. dmezzullo
    • 3 years ago
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    this didnt come from google right?

  17. swissgirl
    • 3 years ago
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    Ok that first line should say: So first we multiply both sides by 9/5

  18. swissgirl
    • 3 years ago
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    hahaha Noooooooooo I just did it this second. I taught grade 11 HS math last year lol

  19. swissgirl
    • 3 years ago
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    All I did was isolate the F. Its a basic tool which is needed quite often in algebra

  20. swissgirl
    • 3 years ago
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    The way i would suggest you learn how to isolate is by starting off with simpler functions such as y=3x+4 And try to isloate the x.

  21. swissgirl
    • 3 years ago
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    Now Part B all its asking for you is to find out what 4 degrees Celsius is in Faranheight. Now which equation would you use?

  22. dmezzullo
    • 3 years ago
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    idk

  23. swissgirl
    • 3 years ago
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    Ok the equation we just figured out

  24. swissgirl
    • 3 years ago
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    We would like to know what F=Fahrenheit equals when c=4 \(\Large F=\frac{9}{5}C+32\) So we plug in C=4 \(\Large F=\frac{9}{5}(4)+32\) Ok now you solve the rest

  25. dmezzullo
    • 3 years ago
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    No

  26. swissgirl
    • 3 years ago
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    \( \large F=\frac{36}{5} +32 =39.2\)

  27. dmezzullo
    • 3 years ago
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    tyvm

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