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natta225 [31]
3 years ago
10

A dance student wants to know the favorite type of dance class for students at The Dance Academy. She surveys each student in he

r ballet class. In which way could the results of her survey be most improved?
Mathematics
2 answers:
Fiesta28 [93]3 years ago
5 0
She only asked the students in her ballet class, which is probably biased toward ballet. She should survey everyone in The Dance Academy. That way, the answers won't be biased.
Korolek [52]3 years ago
4 0

Answer:

Step-by-step explanation:

Given that a dance student wants to know the favorite type of dance class for students at The Dance Academy. She surveys each student in her ballet class.

When she surveys only students in ballet class, she is taking a biased sample who already decided to pursue ballot dance.

Hence the survey is not correct and will not give accurate results.

She must select equal number of random students from each dance group and conduct the survey to get a more reliable result.

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Find the greatest common factor of 36 and 54
8090 [49]

Hey there!

To find the greatest common factor you will need to find all the factors of 36 and 54. (A factor is a number that can be divided into another number).

54 - 1, 2, 3, 6, 9, 18, 27.

36 - 1, 2, 3, 4, 6, 9, 12, 18.

As you can see here, the factor that is the greatest is 18. Therefore, that is your answer.

Hope this helps! :)

8 0
3 years ago
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Solve for J MUST SHOW WORK<br> j/-2 + 7 = -12<br><br> thx!!
Ronch [10]

Answer:

j=38

Step-by-step explanation:

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5 0
2 years ago
suppose Tomas buys a total of 30 baseball and football cards in week 5 . how many of each would he have to buy to keep the same
Charra [1.4K]

Answer:

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Step-by-step explanation:

The only relationship shown in the table is in week 1, where the ratio of baseball to football cards is ...

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In week 1, the total of these numbers is 15. You want the total in week 5 to be 30, double the total in week 1. So, Thomas needs to purchase double the numbers he purchased in week 1:

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_____

<em>Comment on the attachment</em>

This table came from another question you posted, a question with no content other than the table. The blue numbers are blanks in the original table that have been filled in so as to keep the same 3:2 proportion in each week. They appear to have no bearing on this question.

7 0
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What value of x will make the triangles similar by the SSS similarity theorem?
Sophie [7]

Answer:

1,5

Step-by-step explanation:

3 0
3 years ago
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mojhsa [17]

Answer:

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Step-by-step explanation:

Factor 27 so that the factors, when combined, will equal 12:

x² + 12x + 27

x                9

x                3

(x + 9)(x + 3) is your answer.

Check: Use the FOIL method. Multiply the first two terms, the outside terms, the inside terms, and then the last two terms. Combine like terms:

(x + 9)(x + 3) = x² + 3x + 9x + 27 = x² + 12x + 27 (√)

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