Question

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?

Answer 1

if u click on the link that says mathgraph the graph will get bigger. i know its hard to see right now.

Answer 2

and btw, cental angle = 360 degrees

Answer 3

ratio of 25.2 to 360
is the same as x to 5100

Answer 4

so what do i do?

Answer 5

25.2:360 :: x:5100


or 25.2 x
------- = -------
360 5100

Answer 6

then cross multiply?

Answer 7

360x=5100 * 25.2

Answer 8

Yes

Answer 9

is the * a multiplication?

Answer 10

yes

Answer 11

so the answer is 128520??

Answer 12

that cant be right bc there were only 5100 total votes

Answer 13

wait... 357??

Answer 14

I got 357

Answer 15

I like your logic when you got the wrong answer, you knew the answer had to be less than 5100. good thinking

Answer 16

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

Answer 17

thanks:) haha

Answer 18

Let's roll

Answer 19

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.

Answer 20

This is very similar to the previous problem. Set up the ratio

Answer 21

79.2 x
-------- = -------
360 150

Answer 22

ok..ill try it

Answer 23

33??

Answer 24

33%

Answer 25

Me too

Answer 26

it said that was incorrect.

Answer 27

Yes percent, some teachers are fussy about units lol

Answer 28

it said that was incorrect :(

Answer 29

OH OH

Answer 30

ughhh!

Answer 31

That was an angle of 79.2 degrees or was it 79 degrees and 2 minutes?

Answer 32

79.2 degrees

Answer 33

150 members right

Answer 34

yes

Answer 35

it says the answer is 22%

Answer 36

bc 79.2
---- = 0.22
360

Answer 37

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

Answer 38

that's okay

Answer 39

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.

Answer 40

I have read the question closely and I know what we are looking for this time

Answer 41

sorry i made that on paint haha

Answer 42

Where is the table?

Answer 43

click on graph

Answer 44

oh h/o i will put the table up

Answer 45

can u see it?

Answer 46

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.

Answer 47

it is looking for x

Answer 48

Since the central angle is 360 degrees, then 13% would be represented by 13% of 360 degrees. Does that sound logical?

Answer 49

so to find x i would 13/360??

Answer 50

If that is the case, then 360 * .13 = 46.8 degrees

Answer 51

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?

Answer 52

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?

Answer 53

I will until I have to leave, my wife wants to deliver some invitational cards for my mother's birthday. So go ahead.

Answer 54

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.

Answer 55

Hey that is pretty much like the last one. Should be a piece of cake Ha

Answer 56

Again we are looking for degrees.

Answer 57

What do you think we should do first?

Answer 58

set up a ratio?

Answer 59

Yes, the ration needs to show the ratio of thurs absentees to the total absentees

Answer 60

i'm not sure how that would be displayed :/

Answer 61

That ratio will be equal to the x angle/360 degrees

Answer 62

Add the total absentees, I get 350 what do you get?

Answer 63

i got 450

Answer 64

You're right

99 x
----- = -------
450 360

Answer 65

ohh okkkkk =)

Answer 66

79.2?

Answer 67

I got 79.2 degrees

Answer 68

me tooo!

Answer 69

Sorry but I got to run.

Answer 70

that's okay thank u so much :)

Answer 71

Good luck.

Answer 72

thanks!