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anonymous

  • 5 years ago

PLEASE HELP ME!!! In a recent election, there were six candidates and 5100 total votes. The circle graph below summarizes the votes by candidate. The central angle for the DeWitt slice is 25.2 degrees . How many of the votes did DeWitt get?

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    if u click on the link that says mathgraph the graph will get bigger. i know its hard to see right now.

  3. anonymous
    • 5 years ago
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    and btw, cental angle = 360 degrees

  4. radar
    • 5 years ago
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    ratio of 25.2 to 360 is the same as x to 5100

  5. anonymous
    • 5 years ago
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    so what do i do?

  6. radar
    • 5 years ago
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    25.2:360 :: x:5100 or 25.2 x ------- = ------- 360 5100

  7. anonymous
    • 5 years ago
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    then cross multiply?

  8. radar
    • 5 years ago
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    360x=5100 * 25.2

  9. radar
    • 5 years ago
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    Yes

  10. anonymous
    • 5 years ago
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    is the * a multiplication?

  11. radar
    • 5 years ago
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    yes

  12. anonymous
    • 5 years ago
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    so the answer is 128520??

  13. anonymous
    • 5 years ago
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    that cant be right bc there were only 5100 total votes

  14. anonymous
    • 5 years ago
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    wait... 357??

  15. radar
    • 5 years ago
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    I got 357

  16. radar
    • 5 years ago
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    I like your logic when you got the wrong answer, you knew the answer had to be less than 5100. good thinking

  17. anonymous
    • 5 years ago
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    that was correct! yay! now i only have 2 more of those kind to do. will u help me with those also?

  18. anonymous
    • 5 years ago
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    thanks:) haha

  19. radar
    • 5 years ago
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    Let's roll

  20. anonymous
    • 5 years ago
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    The circle graph below summarizes the 150 members of a university fraternity by their majors. The central angle for the Sociology slice is 79.2 degrees . What percentage of the fraternity members are Sociology majors? Do not round.

  21. radar
    • 5 years ago
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    This is very similar to the previous problem. Set up the ratio

  22. radar
    • 5 years ago
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    79.2 x -------- = ------- 360 150

  23. anonymous
    • 5 years ago
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  24. anonymous
    • 5 years ago
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    ok..ill try it

  25. anonymous
    • 5 years ago
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    33??

  26. anonymous
    • 5 years ago
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    33%

  27. radar
    • 5 years ago
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    Me too

  28. anonymous
    • 5 years ago
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    it said that was incorrect.

  29. radar
    • 5 years ago
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    Yes percent, some teachers are fussy about units lol

  30. anonymous
    • 5 years ago
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    it said that was incorrect :(

  31. radar
    • 5 years ago
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    OH OH

  32. anonymous
    • 5 years ago
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    ughhh!

  33. radar
    • 5 years ago
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    That was an angle of 79.2 degrees or was it 79 degrees and 2 minutes?

  34. anonymous
    • 5 years ago
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    79.2 degrees

  35. radar
    • 5 years ago
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    150 members right

  36. anonymous
    • 5 years ago
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    yes

  37. anonymous
    • 5 years ago
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    it says the answer is 22%

  38. anonymous
    • 5 years ago
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    bc 79.2 ---- = 0.22 360

  39. radar
    • 5 years ago
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    Yes, that is right we calculated the number of the members 33 which is 22% of 150. Sorry I didn't see that sooner.

  40. anonymous
    • 5 years ago
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    that's okay

  41. anonymous
    • 5 years ago
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    As part of a survey, 1500 people were asked to name their favorite sport to watch. The table below summarizes their answers. This information is also presented as a circle graph. Find the central angle measure, x degrees , for the Basketball slice in the circle graph. Do not round. i will put the circle graph up now.

  42. radar
    • 5 years ago
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    I have read the question closely and I know what we are looking for this time

  43. anonymous
    • 5 years ago
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  44. anonymous
    • 5 years ago
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    sorry i made that on paint haha

  45. radar
    • 5 years ago
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    Where is the table?

  46. anonymous
    • 5 years ago
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    click on graph

  47. anonymous
    • 5 years ago
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    oh h/o i will put the table up

  48. anonymous
    • 5 years ago
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  49. anonymous
    • 5 years ago
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    can u see it?

  50. radar
    • 5 years ago
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    Yes. it looks like basket ball is 13%, I want to add them all up to see if I am missing something, they should add up to 100.......they do.

  51. anonymous
    • 5 years ago
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    it is looking for x

  52. radar
    • 5 years ago
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    Since the central angle is 360 degrees, then 13% would be represented by 13% of 360 degrees. Does that sound logical?

  53. anonymous
    • 5 years ago
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    so to find x i would 13/360??

  54. radar
    • 5 years ago
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    If that is the case, then 360 * .13 = 46.8 degrees

  55. radar
    • 5 years ago
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    No you would look at it like if it was like 50% then it would be 1/2 or 180 degrees. It is a fractional multiplying thing. you are multiplying 13% which is 13/100 or .13 get it?

  56. anonymous
    • 5 years ago
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    yes i do thank u. now will u help me with 2 more of these same type of questions? to make sure i can do it?

  57. radar
    • 5 years ago
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    I will until I have to leave, my wife wants to deliver some invitational cards for my mother's birthday. So go ahead.

  58. anonymous
    • 5 years ago
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    Last week, there were 450 student absences at Jefferson High. The table below summarizes them by the day of the week on which they occured. This information is also presented as a circle graph. Find the central angle measure, x degrees , for the Thursday slice in the circle graph. Do not round.

  59. radar
    • 5 years ago
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    Hey that is pretty much like the last one. Should be a piece of cake Ha

  60. radar
    • 5 years ago
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    Again we are looking for degrees.

  61. anonymous
    • 5 years ago
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  62. radar
    • 5 years ago
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    What do you think we should do first?

  63. anonymous
    • 5 years ago
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    set up a ratio?

  64. radar
    • 5 years ago
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    Yes, the ration needs to show the ratio of thurs absentees to the total absentees

  65. anonymous
    • 5 years ago
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    i'm not sure how that would be displayed :/

  66. radar
    • 5 years ago
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    That ratio will be equal to the x angle/360 degrees

  67. radar
    • 5 years ago
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    Add the total absentees, I get 350 what do you get?

  68. anonymous
    • 5 years ago
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    i got 450

  69. radar
    • 5 years ago
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    You're right 99 x ----- = ------- 450 360

  70. anonymous
    • 5 years ago
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    ohh okkkkk =)

  71. anonymous
    • 5 years ago
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    79.2?

  72. radar
    • 5 years ago
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    I got 79.2 degrees

  73. anonymous
    • 5 years ago
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    me tooo!

  74. radar
    • 5 years ago
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    Sorry but I got to run.

  75. anonymous
    • 5 years ago
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    that's okay thank u so much :)

  76. radar
    • 5 years ago
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    Good luck.

  77. anonymous
    • 5 years ago
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    thanks!

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