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anonymous

  • one year ago

need help on a math probelm

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    What do you think it is?

  3. anonymous
    • one year ago
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    c or d

  4. xapproachesinfinity
    • one year ago
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    look at the table what do you see

  5. xapproachesinfinity
    • one year ago
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    describe what do you see

  6. anonymous
    • one year ago
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    each number is *3

  7. xapproachesinfinity
    • one year ago
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    look clearly at the months and the heights do you see any kind of pattern

  8. xapproachesinfinity
    • one year ago
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    oh good eyes

  9. xapproachesinfinity
    • one year ago
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    so we are multiplying here by 3

  10. anonymous
    • one year ago
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    ya

  11. xapproachesinfinity
    • one year ago
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    so for the 12 moth what are we gonna get

  12. anonymous
    • one year ago
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    um not sure

  13. xapproachesinfinity
    • one year ago
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    well you just said we are multiplying by 3

  14. anonymous
    • one year ago
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    oh

  15. anonymous
    • one year ago
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    36

  16. xapproachesinfinity
    • one year ago
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    ok

  17. anonymous
    • one year ago
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    for the 12th month

  18. xapproachesinfinity
    • one year ago
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    good! so which answer choices have 36 cm

  19. anonymous
    • one year ago
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    the correct answer is D

  20. xapproachesinfinity
    • one year ago
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    ok but what guarantees that?

  21. xapproachesinfinity
    • one year ago
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    just because you 36 does not guarantee it is correct

  22. anonymous
    • one year ago
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    becuase we are trying to find the 12th month and 12*3 = 36 and D is the only one with 36

  23. xapproachesinfinity
    • one year ago
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    what if we had two answer choices that have 36 on them

  24. xapproachesinfinity
    • one year ago
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    yes in this case you are safe

  25. anonymous
    • one year ago
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    then i would keep going and keep problem solving

  26. xapproachesinfinity
    • one year ago
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    but to confuse you i would have put 36 in more than one and you won't be sure anymore

  27. anonymous
    • one year ago
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    ok

  28. anonymous
    • one year ago
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    i'm not sure how to work that.

  29. xapproachesinfinity
    • one year ago
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    you have to find that model through the table

  30. anonymous
    • one year ago
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    ok can you help me with that?

  31. xapproachesinfinity
    • one year ago
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    let's take the months as our x (input) and height as our out put ok

  32. anonymous
    • one year ago
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    ok

  33. xapproachesinfinity
    • one year ago
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    y=3x as you said yourself according to table

  34. anonymous
    • one year ago
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    ya

  35. xapproachesinfinity
    • one year ago
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    you give me an x i multiply by 3 to get y the height

  36. xapproachesinfinity
    • one year ago
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    so the kind of relation we have here is linear (direct relation)

  37. anonymous
    • one year ago
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    ya

  38. xapproachesinfinity
    • one year ago
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    now what we do is go to options and see which exactly y=3x

  39. xapproachesinfinity
    • one year ago
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    in this case we know already it has to be y-9=3(x-3)

  40. anonymous
    • one year ago
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    ya thats easy to find

  41. xapproachesinfinity
    • one year ago
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    if you solve that for y you get y=3x-9+9=3x which is the right one

  42. anonymous
    • one year ago
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    the answer is still D

  43. xapproachesinfinity
    • one year ago
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    yes

  44. xapproachesinfinity
    • one year ago
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    i was just teaching how to do more of this problems

  45. anonymous
    • one year ago
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    thanks so much most people on here just pop in and don't explain much i faned you for sure!

  46. xapproachesinfinity
    • one year ago
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    sometimes they will confuse yoiu

  47. anonymous
    • one year ago
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    thanks gonna close this now:)

  48. xapproachesinfinity
    • one year ago
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    no problem :) i'm pleased to help

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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