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iwanttogotostanford

  • one year ago

The temperature, t, in degrees Fahrenheit

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  1. iwanttogotostanford
    • one year ago
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    @jim_thompson5910

  2. anonymous
    • one year ago
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    do you know how to solve \[|t-24|\le30\] for \(t\)?

  3. iwanttogotostanford
    • one year ago
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    would you subtract 24 from 30?

  4. anonymous
    • one year ago
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    no

  5. iwanttogotostanford
    • one year ago
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    or add

  6. anonymous
    • one year ago
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    you start with \[-30\le t-24\le 30\] then ADD \(24\) all the way across

  7. iwanttogotostanford
    • one year ago
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    ok

  8. anonymous
    • one year ago
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    what do you get?

  9. iwanttogotostanford
    • one year ago
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    t less than or equal to 50?

  10. iwanttogotostanford
    • one year ago
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    i mean 54

  11. anonymous
    • one year ago
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    that is what you get on the right how about on the left?

  12. iwanttogotostanford
    • one year ago
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    do you always have to put the -30 there on the left when you are doing that to inequalities?

  13. iwanttogotostanford
    • one year ago
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    just for future reference

  14. anonymous
    • one year ago
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    you don't always to do anything, but if you have \[|t-a|<p\] you start with \[-p<t-a<p\] like a sandwich

  15. iwanttogotostanford
    • one year ago
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    oh ok so that goes with all inequalities?

  16. anonymous
    • one year ago
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    all that look like the one you have, yes

  17. anonymous
    • one year ago
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    inequalities with absolute value and "less than"

  18. iwanttogotostanford
    • one year ago
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    ok so i would have -6 less than or equal to T less than or equal to 54 ?

  19. iwanttogotostanford
    • one year ago
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    @satellite73

  20. iwanttogotostanford
    • one year ago
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    @Vocaloid could you help?

  21. Vocaloid
    • one year ago
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    yes, -6 <= t <= 54 now look at your answer choices and see which t value does not fit the inequality

  22. iwanttogotostanford
    • one year ago
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    -5? or would it be 0?

  23. Vocaloid
    • one year ago
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    nope, not quite -6 <= t <= 54 means that t must be between -6 and 54 (inclusive) so which of the answer choices is NOT between -6 and 54?

  24. iwanttogotostanford
    • one year ago
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    im not sure i sometimes forget if -10 is greater tham -6 or not....

  25. Vocaloid
    • one year ago
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    remember the rule for negative numbers|dw:1443320186749:dw|

  26. anonymous
    • one year ago
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    actually you are not alone it was not until fairly recently that mathematicians ordered the negative numbers so that \(-5<-4\) for example

  27. iwanttogotostanford
    • one year ago
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    oh ok thanks so I'm still a bit confused though on which one would fit that mold

  28. iwanttogotostanford
    • one year ago
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    so wouldn't it be -5???

  29. Vocaloid
    • one year ago
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    nope, not -5 -5 is greater than -6 and less than 54, so -5 fits in the inequality (remember, we're looking for the one that DOESN'T fit the inequality)

  30. iwanttogotostanford
    • one year ago
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    oh yeah i forgot that part...

  31. iwanttogotostanford
    • one year ago
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    so it would be 54!

  32. Vocaloid
    • one year ago
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    54 isn't one of the answer choices

  33. iwanttogotostanford
    • one year ago
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    no no no sorry

  34. iwanttogotostanford
    • one year ago
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    i typed wrong instead of 24, its 54 for one of the answer choices

  35. Vocaloid
    • one year ago
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    well, 24 isn't the answer either 24 is greater than -6 and less than 54 keep trying :)

  36. iwanttogotostanford
    • one year ago
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    -10?

  37. Vocaloid
    • one year ago
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    yup, good! -10 is less than -6 so it doesn't fit the inequality

  38. Vocaloid
    • one year ago
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    the answer is -10

  39. iwanttogotostanford
    • one year ago
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    oh darn no its -10

  40. iwanttogotostanford
    • one year ago
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    thanks that was a long process, thanks! Could i have help on another if i make a new question please?

  41. Vocaloid
    • one year ago
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    sure, tag me if you'd like

  42. iwanttogotostanford
    • one year ago
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    okay-thanks ill be making one now

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