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dmezzullo

  • 3 years ago

Please solve each of the inequalities below and graph the solution on a number line. x – 3 > –9

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  1. Dr.Professor
    • 3 years ago
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    x > -6 2. –2x + 1 ≤ –11 -2x ≤ -12 x ≥ 6 3. 10 < –3x + 1 -3x + 1 > 10 -3x > 9 x < -3 4. 2(x + 5) > 8x – 8 2x + 10 > 8x - 8 8x - 8 < 2x + 10 6x < 18 x < 3 5. –2(x – 3) ≥ 5 – (x + 3) -2x + 6 ≥ 5 - x - 3 4 ≥ x x ≥ 4

  2. Dr.Professor
    • 3 years ago
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    http://answers.yahoo.com/question/index?qid=20100804062558AA5y3Hg

  3. Dr.Professor
    • 3 years ago
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    @dmezzullo

  4. dmezzullo
    • 3 years ago
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    It would have been nice if u could of not gotten the answers off google.

  5. Dr.Professor
    • 3 years ago
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    So, buddy, it was already solved

  6. nubeer
    • 3 years ago
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    you have to make "x" isolate. so u can do that by adding 3 on both sides.

  7. dmezzullo
    • 3 years ago
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    Can one of u guys help with the graphs?

  8. Dr.Professor
    • 3 years ago
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    Lemme explain, according to the code of conduct I can copy and answer, but I also need the source and hence I'd Given

  9. nubeer
    • 3 years ago
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    sure.

  10. nubeer
    • 3 years ago
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    when u solve u will get x> -6, it means the value of x is greater then -6 so first you draw a number line

  11. dmezzullo
    • 3 years ago
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    |dw:1363694637625:dw|

  12. Dr.Professor
    • 3 years ago
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    @dmezzullo , Sir, Here, I've got a client, Thats you, sir I wanna say that I have pasted the URL above in th comment. Please check it and save time. Best Wishes, @Dr.Professor

  13. dmezzullo
    • 3 years ago
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    Which url?

  14. Dr.Professor
    • 3 years ago
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    Sir, did you get that

  15. dmezzullo
    • 3 years ago
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    it dont help

  16. nubeer
    • 3 years ago
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    |dw:1363695012276:dw|

  17. nubeer
    • 3 years ago
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    |dw:1363695036018:dw| got this so far?

  18. Dr.Professor
    • 3 years ago
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    Sir, the process is, 1) Click on the Link, 2) See the graph, 3) Investigate it, 4) Ask Doubts, 5) Be free, Check it!

  19. nubeer
    • 3 years ago
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    now make a circle at the value we found.. |dw:1363695185074:dw|

  20. nubeer
    • 3 years ago
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    |dw:1363695217104:dw|

  21. dmezzullo
    • 3 years ago
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    Ok, lemme try the next one

  22. nubeer
    • 3 years ago
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    sure.. if still any confusion just ask me out

  23. dmezzullo
    • 3 years ago
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    Ok, u tell me if it is wrong

  24. nubeer
    • 3 years ago
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    ok

  25. dmezzullo
    • 3 years ago
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    Wait imma do #3 bc im not sure wut to do for #2

  26. dmezzullo
    • 3 years ago
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    |dw:1363695538390:dw|

  27. nubeer
    • 3 years ago
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    yup. perfectly fine.

  28. nubeer
    • 3 years ago
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    what's hard with 2?

  29. dmezzullo
    • 3 years ago
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    it has the line under the > so idk if tht changes anything

  30. nubeer
    • 3 years ago
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    yes it changed something very little.. you have to put a dot rather then a circle.

  31. nubeer
    • 3 years ago
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    but a bold dot.

  32. dmezzullo
    • 3 years ago
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    oh ok lemme try it then

  33. dmezzullo
    • 3 years ago
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    wait im confused wince it is +6 would i go to 5 next or 7

  34. nubeer
    • 3 years ago
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    well answer u got is x greater then equal to +6 so u have to point the arrow towards the greater values then 6.

  35. dmezzullo
    • 3 years ago
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    ok tyvm

  36. dmezzullo
    • 3 years ago
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    |dw:1363695994614:dw|

  37. dmezzullo
    • 3 years ago
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    Is that right?

  38. nubeer
    • 3 years ago
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    yes it is right.

  39. dmezzullo
    • 3 years ago
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    okie

  40. dmezzullo
    • 3 years ago
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    |dw:1363696204568:dw|

  41. nubeer
    • 3 years ago
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    hmm which question is this one?

  42. dmezzullo
    • 3 years ago
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    #4

  43. dmezzullo
    • 3 years ago
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    no it should be 3

  44. dmezzullo
    • 3 years ago
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    on the graph shouldnt it?

  45. nubeer
    • 3 years ago
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    for question for u got x< -3 so arrow should point towards the value less then -3

  46. nubeer
    • 3 years ago
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    oops for question 4

  47. nubeer
    • 3 years ago
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    damn sorry x<3

  48. dmezzullo
    • 3 years ago
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    oh lemme redraw it

  49. dmezzullo
    • 3 years ago
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    |dw:1363696430998:dw|

  50. nubeer
    • 3 years ago
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    yup .. correct .. this was #4

  51. dmezzullo
    • 3 years ago
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    |dw:1363696529947:dw|

  52. nubeer
    • 3 years ago
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    yup correct bro..

  53. dmezzullo
    • 3 years ago
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    tyvm now 2 more things if u dont mind sir

  54. nubeer
    • 3 years ago
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    not at all.

  55. dmezzullo
    • 3 years ago
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    Explain, in complete sentences, when you would use an open circle or a closed circle, and when you would shade to the right or left, to graph an inequality on the number line.

  56. nubeer
    • 3 years ago
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    hmm well bro i can tell u in simple words or explain u in easy words .. so u just have to put urself in proper sentences .. is that ok?

  57. dmezzullo
    • 3 years ago
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    Yes tht fine

  58. nubeer
    • 3 years ago
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    ok first.. open circle is when we get < or > sign in our final answer.. same like in question #1 and closed circle when we get answer < or > having lines under, as u can see in the answer of #2 question..

  59. nubeer
    • 3 years ago
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    we shade to left when x< (any value) |dw:1363697010246:dw| like this for #4

  60. nubeer
    • 3 years ago
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    and we shade towards right when we get x> (any value) for example if x> 6 we will shade all the part forward from the point 6.

  61. nubeer
    • 3 years ago
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    got it bro?

  62. dmezzullo
    • 3 years ago
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    Oh ok.

  63. dmezzullo
    • 3 years ago
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    1 more q.

  64. dmezzullo
    • 3 years ago
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    Describe a real life scenario where inequalities are used and state the inequality.

  65. dmezzullo
    • 3 years ago
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    So the senario would be: Teens in florida have to be at least 15 or older to get their learners permit to drive.

  66. dmezzullo
    • 3 years ago
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    But i am not totally sure wut the graph would look like.

  67. nubeer
    • 3 years ago
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    hmm well if we say x is the age.. for learner permit x >(line under) 15

  68. dmezzullo
    • 3 years ago
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    |dw:1363697462126:dw|

  69. nubeer
    • 3 years ago
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    yes this is the in eguality

  70. nubeer
    • 3 years ago
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    now draw the graph which is a number line and label it

  71. dmezzullo
    • 3 years ago
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    wut u mean?

  72. nubeer
    • 3 years ago
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    umm .. i mean draw a number line.. just the line with numbers u need.?

  73. kelliegirl33
    • 3 years ago
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    just remember if there is an equal sign in the inequality, it has a closed circle.

  74. nubeer
    • 3 years ago
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    ohh lol we dont need to graph this question.. or do we?

  75. kelliegirl33
    • 3 years ago
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    we can if you want to....it is good practice

  76. dmezzullo
    • 3 years ago
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    I believe we dont

  77. nubeer
    • 3 years ago
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    ok then just write inequality with the scenario you told.. and that's it i guess

  78. dmezzullo
    • 3 years ago
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    ok ty soooo very much how can i ever repay u?

  79. kelliegirl33
    • 3 years ago
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    |dw:1363697698821:dw|

  80. nubeer
    • 3 years ago
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    hahah bro.. lol u don't need to repay at all :)

  81. dmezzullo
    • 3 years ago
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    Ok that was alot of work i will write u a testimonial

  82. nubeer
    • 3 years ago
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    Sweet... :)

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