anonymous
  • anonymous
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?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
if u click on the link that says mathgraph the graph will get bigger. i know its hard to see right now.
anonymous
  • anonymous
and btw, cental angle = 360 degrees

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More answers

radar
  • radar
ratio of 25.2 to 360 is the same as x to 5100
anonymous
  • anonymous
so what do i do?
radar
  • radar
25.2:360 :: x:5100 or 25.2 x ------- = ------- 360 5100
anonymous
  • anonymous
then cross multiply?
radar
  • radar
360x=5100 * 25.2
radar
  • radar
Yes
anonymous
  • anonymous
is the * a multiplication?
radar
  • radar
yes
anonymous
  • anonymous
so the answer is 128520??
anonymous
  • anonymous
that cant be right bc there were only 5100 total votes
anonymous
  • anonymous
wait... 357??
radar
  • radar
I got 357
radar
  • radar
I like your logic when you got the wrong answer, you knew the answer had to be less than 5100. good thinking
anonymous
  • anonymous
that was correct! yay! now i only have 2 more of those kind to do. will u help me with those also?
anonymous
  • anonymous
thanks:) haha
radar
  • radar
Let's roll
anonymous
  • anonymous
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.
radar
  • radar
This is very similar to the previous problem. Set up the ratio
radar
  • radar
79.2 x -------- = ------- 360 150
anonymous
  • anonymous
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anonymous
  • anonymous
ok..ill try it
anonymous
  • anonymous
33??
anonymous
  • anonymous
33%
radar
  • radar
Me too
anonymous
  • anonymous
it said that was incorrect.
radar
  • radar
Yes percent, some teachers are fussy about units lol
anonymous
  • anonymous
it said that was incorrect :(
radar
  • radar
OH OH
anonymous
  • anonymous
ughhh!
radar
  • radar
That was an angle of 79.2 degrees or was it 79 degrees and 2 minutes?
anonymous
  • anonymous
79.2 degrees
radar
  • radar
150 members right
anonymous
  • anonymous
yes
anonymous
  • anonymous
it says the answer is 22%
anonymous
  • anonymous
bc 79.2 ---- = 0.22 360
radar
  • radar
Yes, that is right we calculated the number of the members 33 which is 22% of 150. Sorry I didn't see that sooner.
anonymous
  • anonymous
that's okay
anonymous
  • anonymous
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.
radar
  • radar
I have read the question closely and I know what we are looking for this time
anonymous
  • anonymous
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anonymous
  • anonymous
sorry i made that on paint haha
radar
  • radar
Where is the table?
anonymous
  • anonymous
click on graph
anonymous
  • anonymous
oh h/o i will put the table up
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
can u see it?
radar
  • radar
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.
anonymous
  • anonymous
it is looking for x
radar
  • radar
Since the central angle is 360 degrees, then 13% would be represented by 13% of 360 degrees. Does that sound logical?
anonymous
  • anonymous
so to find x i would 13/360??
radar
  • radar
If that is the case, then 360 * .13 = 46.8 degrees
radar
  • radar
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?
anonymous
  • anonymous
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?
radar
  • radar
I will until I have to leave, my wife wants to deliver some invitational cards for my mother's birthday. So go ahead.
anonymous
  • anonymous
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.
radar
  • radar
Hey that is pretty much like the last one. Should be a piece of cake Ha
radar
  • radar
Again we are looking for degrees.
anonymous
  • anonymous
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radar
  • radar
What do you think we should do first?
anonymous
  • anonymous
set up a ratio?
radar
  • radar
Yes, the ration needs to show the ratio of thurs absentees to the total absentees
anonymous
  • anonymous
i'm not sure how that would be displayed :/
radar
  • radar
That ratio will be equal to the x angle/360 degrees
radar
  • radar
Add the total absentees, I get 350 what do you get?
anonymous
  • anonymous
i got 450
radar
  • radar
You're right 99 x ----- = ------- 450 360
anonymous
  • anonymous
ohh okkkkk =)
anonymous
  • anonymous
79.2?
radar
  • radar
I got 79.2 degrees
anonymous
  • anonymous
me tooo!
radar
  • radar
Sorry but I got to run.
anonymous
  • anonymous
that's okay thank u so much :)
radar
  • radar
Good luck.
anonymous
  • anonymous
thanks!

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