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guapka [62]
2 years ago
9

In a school presidential race, Jeb received 100 votes, Janine 60, and Arnie 40 votes. Make a circle graph to display the data as

percents. What percentage of students voted for each student?
Mathematics
2 answers:
Anarel [89]2 years ago
7 0

Answer:

Jeb: 50%, Janine: 30%, Arnie: 20%

Step-by-step explanation:

100+60+40=

200 votes in total

1% of 200 = 2

100 divided by 2 = 50

60 divided by 2 = 30

40 divided by 2 = 20

Hope this helps!

Digiron [165]2 years ago
7 0
I hope this helps!!

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Jobisdone [24]

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bill after discount and tip- $37.95

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total bill- $40.78

5 0
3 years ago
If HJ=2x+5, JK=3x-7, and KH=18 what is the value of x
weqwewe [10]

Answer:

  • x = 4

Step-by-step explanation:

<u>Given</u>

  • HJ=2x+5
  • JK=3x-7
  • KH=18

<u>We see J is between H and K, so </u>

  • KH = HJ + JK
  • 2x + 5 + 3x - 7 = 18
  • 5x - 2 = 18
  • 5x = 20
  • x = 4

3 0
2 years ago
Given the following winning percentages of the teams in a league (for a single year) compute the within-season standard deviatio
Masja [62]

Answer:

(b) 0.251

Step-by-step explanation:

1. Standard deviation equation:

SD=\sqrt{\frac{\sum\limits^N_i {(x_{i}-X)^{2}  } }{N} }

Where X is the mean of the data, and N the amount of data. Then, N=5

2. Estimate the Mean:

X=\frac{0.750+0.750+0.200+0.600+0.200}{5}=\frac{2.5}{5}=0.5\\

3. Caclulate Standard deviation:

SD=\sqrt{\frac{{(0.750-0.500)^{2}+(0.750-0.500)^{2}+(0.200-0.500)^{2}+(0.600-0.500)^{2}+(0.200-0.500)^{2}  } }{5} }

SD=\sqrt{\frac{0.315}{5} }=\sqrt{0.063}\\SD=0.251

7 0
2 years ago
From a pack of 9 cards numbered 1-9, three cards are drawn at random and laid on a table from left to right.
Andreas93 [3]
Answer: 1/6
Explanation: Since we need to draw three cards from a pack of 9 and the digits require an order, then our sample space becomes: 9P3.
Now, we don't care about picking an order when picking three cards to analyse, as there is only 1 way in arranging the three cards in descending order.

Thus, we get:

\frac{^{9}C_3}{^{9}P_3} = \frac{1}{6}
4 0
3 years ago
I’m confused on how to answer this question. I provided a picture above. pls help!!
inna [77]

Answer:

4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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