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znimon

I don't understand what they want me to do or where to begin. Pre-calculus maybe a proof not sure

  • one year ago
  • one year ago

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  1. precal
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    with what

    • one year ago
  2. precal
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    post your math question and I will try to help you

    • one year ago
  3. znimon
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    its attached

    • one year ago
    1 Attachment
  4. precal
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    what course is this? looks like you are doing a proof

    • one year ago
  5. znimon
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    this is pre-caculus

    • one year ago
  6. znimon
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    calculus

    • one year ago
  7. precal
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    calculus or precal?

    • one year ago
  8. znimon
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    sorry for the confusion precalculus

    • one year ago
  9. precal
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    ok did not look like calculus

    • one year ago
  10. precal
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    looks like I might not be able to help after all but I can tell you that they multiply d to both sides to get this|dw:1346461339585:dw|

    • one year ago
  11. precal
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    not sure what is going on after that, I find all of those blanks confusing

    • one year ago
  12. precal
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    don't they have a lecture part prior to this?

    • one year ago
  13. znimon
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    I am supposed to fill in the blanks

    • one year ago
  14. precal
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    yes, I realize that but I am not following the logic to it. I am sure they are applying many algebraic properties along the way

    • one year ago
  15. znimon
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    Well thanks anyway dude

    • one year ago
  16. precal
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    sorry, maybe someone else will come help you. You can always close this problem and repost it but it might help if you write it out using draw (some people will not open attachments). btw I am a girl

    • one year ago
  17. znimon
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    alright I think I'll take my chances with the attachment since it would take me forever to write that out and it might not even be legible

    • one year ago
  18. helder_edwin
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    it says add \(a\) to both sides so the 3rd line would be \[ \large a+\frac{ad}{b}<a+c \]

    • one year ago
  19. znimon
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    where does it say add a?

    • one year ago
  20. znimon
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    Ill take that on faith for now

    • one year ago
  21. helder_edwin
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    it is on the third line to the right

    • one year ago
  22. helder_edwin
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    it also says simplify

    • one year ago
  23. znimon
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    "Adding a to both sides and simplifying, we see that" I see but I'm not sure what to do still. What do they want me to do for the next line?

    • one year ago
  24. znimon
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    put a common denominator on a?

    • one year ago
  25. helder_edwin
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    no. just what i wrote.

    • one year ago
  26. helder_edwin
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    then add the fractions on the left side \[ \large \frac{ab+ad}{b}<a+c \]

    • one year ago
  27. helder_edwin
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    then factor \(a\) \[ \large \frac{a}{b}\cdot(b+d)<a+c \]

    • one year ago
  28. znimon
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    Thanks I think I get it now.

    • one year ago
  29. helder_edwin
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    then \(b+d\) passes to the other side to divide \[ \large \frac{a}{b}<\frac{a+c}{b+d} \]

    • one year ago
  30. helder_edwin
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    this covers the first part :)

    • one year ago
  31. znimon
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    is the second part different?

    • one year ago
  32. znimon
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    concept wise

    • one year ago
  33. helder_edwin
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    not at all, try it.

    • one year ago
  34. znimon
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    Thanks alot. I'm new. Should I keep the question open? Until I work it out?

    • one year ago
  35. helder_edwin
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    it's up to u. i'll be here for one more hour or so.

    • one year ago
  36. znimon
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    sweet thanks

    • one year ago
  37. helder_edwin
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    do u know how to call someone's atention??

    • one year ago
  38. helder_edwin
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    write @ to the left of his "name". like this @znimon

    • one year ago
  39. znimon
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    @helder_edwin it says my lines 3(half of line 3) and 4 are wrong. I have (b+d)/b and in the last blank I have (ab+cb)/(b+d)

    • one year ago
  40. znimon
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    of part 1

    • one year ago
  41. helder_edwin
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    the first two blanks (line 3) should be \(a\)

    • one year ago
  42. znimon
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    ok says my 5th and 7th blanks are wrong

    • one year ago
  43. helder_edwin
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    next line should be \[ \large ab+ad\qquad\text{and}\qquad a \]

    • one year ago
  44. znimon
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    have that

    • one year ago
  45. helder_edwin
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    next line should be \[ \large b+d\qquad\text{and}\qquad a \]

    • one year ago
  46. znimon
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    why isn't b+d divided by b

    • one year ago
  47. helder_edwin
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    u r factoring a from the denominator and just puting the dominator (b) under what u just factored

    • one year ago
  48. znimon
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    hmm I don't really get it

    • one year ago
  49. helder_edwin
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    it is this \[ \large \frac{r\cdot s}{m}=\frac{r}{m}\cdot s \]

    • one year ago
  50. znimon
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    oh I get it not breaking the number into its prime factors

    • one year ago
  51. helder_edwin
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    so \[ \large \frac{ab+ad}{b}=\frac{a(b+d)}{b}=\frac{a}{b}\cdot(b+d) \]

    • one year ago
  52. znimon
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    now*

    • one year ago
  53. znimon
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    got it thanks

    • one year ago
  54. znimon
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    so the final blank should be (a+c)/b+d

    • one year ago
  55. helder_edwin
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    the next (last) line would be \[ \large \frac{a+c}{b+d} \]

    • one year ago
  56. helder_edwin
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    yes

    • one year ago
  57. znimon
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    hurray

    • one year ago
  58. helder_edwin
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    now do the next part

    • one year ago
  59. znimon
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    ok

    • one year ago
  60. helder_edwin
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    as i told u it's very similar

    • one year ago
  61. znimon
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    first two lines should both be c

    • one year ago
  62. helder_edwin
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    yes

    • one year ago
  63. helder_edwin
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    @znimon next??

    • one year ago
  64. znimon
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    finished

    • one year ago
  65. helder_edwin
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    great.

    • one year ago
  66. znimon
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    @helder_edwin finished and all correct

    • one year ago
  67. znimon
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    thanks again

    • one year ago
  68. helder_edwin
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    u r welcome

    • one year ago
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