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Andre45 [30]
3 years ago
13

Jorge asked each of the 24 students in his class if they play a musical instrument. He also asked each student if they play a sp

ort. He gathered the following results:
6 students play both a musical instrument and a sport.
3 students play neither a musical instrument nor a sport.
14 students in total play a sport.
Can you help Jorge organize the results into a two-way frequency table?
Mathematics
1 answer:
Pepsi [2]3 years ago
5 0

Answer:

                               play a musical      don't play a musical     Total

                                  instrument                 instrument

play an sport                    <em>6</em>                           14-6 = 8                  <em>14</em>

don't play an sport       10-3 = 7                           <em>3</em>                   24 -14 = 10

Total                                6+7 = 13                    8+3 = 11              <em>24</em>  

Step-by-step explanation:

Data is In italic.

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IRINA_888 [86]

you need to move the decimal 10 places to the left to get it between the 3 and 9

 so it would be 3.994 x 10^10

8 0
3 years ago
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puteri [66]
214.5

11x22=242
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3 0
3 years ago
Heather, Eric, and Chang sent a total of 116 text messages over their cell phones during the weekend. Chang sent 3 times as many
notka56 [123]

Answer:

Step-by-step explanation:

Declaration

Let Heather's number of messages = x

Let Eric's number of messages = x + 9

Let Chang's number of messages = 3(x +9)

Equation

x + x + 9 + 3(x + 9) = 116    

Solution

x + x + 9 + 3(x + 9) = 116                             Remove the brackets

x + x + 9 + 3x + 27 = 116                             Combine like terms

x + x + 3x + 9 + 27 = 116

5x + 36 = 116                                               Subtract 36 from both sides

5x + 36 - 36 = 116 - 36                                Combine

5x = 80                                                       Divide both sides by 5

5x/5 = 80/5

x = 16

Answer

Heather = 16

Eric = 16 + 9 = 25

Chang = 3*25 = 75

5 0
2 years ago
A store sells a package of 12 trading cards for $5.16. Explain how you can tell that the unit price per card is less than $1. Wh
alexgriva [62]
If the unit price was $1 or more, the price would be $12 or more
5 0
2 years ago
Ayanna is 3 years older than Brittany. The sum of 3 times Brittany's age and 2 times Ayanna's age is 76. How old are Ayanna and
Alex_Xolod [135]
Ayanna is 17 and Brittany is 14.

To find this, let's write two equations using the given information.

a = b + 3
3b + 2a = 76

Now, just substitute the first equation into the second and solve.

3b + 2(b + 3) = 76
3b + 2b + 6 = 76
5b = 70
b = 14

If Brittany is 14, then Ayanna is 3 years older at 17.
7 0
3 years ago
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