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anonymous

  • one year ago

help with 2 questions?

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    :T

  3. anonymous
    • one year ago
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    k, so for the first question you posted, find the two possibilities

  4. anonymous
    • one year ago
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    @heretohelpalways either B or D

  5. anonymous
    • one year ago
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    you know the circles would be filled in

  6. anonymous
    • one year ago
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    and there are two possibilities

  7. anonymous
    • one year ago
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    that should help

  8. anonymous
    • one year ago
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    I am not going to tell you which one is right, though

  9. anonymous
    • one year ago
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    try solving the inequalities

  10. anonymous
    • one year ago
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    alright brb

  11. anonymous
    • one year ago
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    2x−6≥10 and 2x−6≤−10

  12. anonymous
    • one year ago
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    now, solve those equations

  13. anonymous
    • one year ago
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    if you don't know how, then go to https://www.khanacademy.org/math/algebra/linear_inequalities

  14. anonymous
    • one year ago
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    x greater or equal than 8 for the first one?

  15. anonymous
    • one year ago
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    @heretohelpalways i got the first one. could you help me with the second one pls?

  16. misty1212
    • one year ago
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    HI

  17. misty1212
    • one year ago
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    i will give you the answer to the second one on the condition that you tell me exactly where this question came from it is written by someone who does not know math

  18. anonymous
    • one year ago
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    @misty1212 hey. its from my virtual course, written by teachers. and are you sure?!

  19. misty1212
    • one year ago
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    yes i am sure, but i need to know exactly what course

  20. misty1212
    • one year ago
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    i can walk you through to the answer step by step, and show you what the mistake is

  21. anonymous
    • one year ago
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    FLVS

  22. misty1212
    • one year ago
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    how did i guess can you please provide me with the question id number they need some serious help down in florida

  23. anonymous
    • one year ago
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    i am afraid there is no question id visible, how can i find it?

  24. misty1212
    • one year ago
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    just give me the unit number it is number 13 i can see, but i am not sure what course, unit number etc

  25. anonymous
    • one year ago
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    oh ok 5.14 segment one exam part 1. its the algebra 1 course.

  26. misty1212
    • one year ago
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    ok lets solve it and find the mistake ready?

  27. anonymous
    • one year ago
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    yes, and i am emailing my teacher as we speak letting her know.

  28. misty1212
    • one year ago
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    \[-np-3\geq 7(c-4)\] distribute on the right \[-np-3\geq 7x-28\] is the first step

  29. misty1212
    • one year ago
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    add \(3\) to both sides \[-np\geq 7c-25\]

  30. misty1212
    • one year ago
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    now here comes the mistake you have to divide both sides by \(-p\) to solve for \(n\)

  31. misty1212
    • one year ago
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    so it might be \[n\geq -\frac{7c-25}{p}\] or \[n\leq -\frac{7c-25}{p}\] they want you to choose the second one because if you divide by a negative number you have to change the inequality BUT

  32. misty1212
    • one year ago
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    you do not know whether \(-p\) is positive or negative they want you to think it is negative because of the minus sign, but there is no way of knowing whether \(-p\) is a positive number or a negative number it is a serious error

  33. misty1212
    • one year ago
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    the poor misguided folks at FLVS make this mistake all the time, because apparently they do not understand variables for example, if \(p=5\) then \(-5=-5\) and is negative BUT if \(p=-5\) then \(-p=+5\) and it is positive

  34. misty1212
    • one year ago
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    long and the short of it is, you cannot solve an inequality with variable coefficients sorry about the state of education in your area

  35. anonymous
    • one year ago
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    its ok lol, thank you so much for telling me how it was not written correctly i really appreciate it. may i show you one more question i already have an answer but i just want to make sure it is right. @misty1212

  36. misty1212
    • one year ago
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    if you do not feel like rocking the boat , just choose \[n\leq -\frac{7c-25}{p}\] but i hope you understand that you cannot solve this question

  37. misty1212
    • one year ago
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    yeah sure

  38. anonymous
    • one year ago
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    its ok. i would had taken your word for it even if you wouldn't had explained lol and here it is

  39. misty1212
    • one year ago
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    hold on one secnnd

  40. anonymous
    • one year ago
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    alright

  41. misty1212
    • one year ago
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    your selected answer is wrong it should be \[3x+y=-7\] if you substitute you will see it works for both points

  42. anonymous
    • one year ago
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    @misty1212 thank you so much for your time!

  43. misty1212
    • one year ago
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    yw

  44. misty1212
    • one year ago
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    \[\color\magenta\heartsuit\]

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