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topjm [15]
2 years ago
8

Sandy surveyed band students to determine the music for the school dance. Many students were unhappy with the selection. What mi

stake did Sandy make?
A. The sample should represent the entire student body.
B. The sample should include equal numbers of men and women.
C. The survey should include all music choices.
D. The survey should be shorter to encourage more participation.
Mathematics
1 answer:
saw5 [17]2 years ago
8 0

Answer: C.)The survey should include all music choices.

Step-by-step explanation: To be honest i'm not sure-.

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How do U dooo this ???
Sloan [31]
Put 10% into a fraction 10/100 = 1/10. Now times 88 KG by 1/10 and you should have the answer.
10% = 10/100 = 1/10

88/1 X 1/10 = 1/20
3 0
3 years ago
Now, suppose one of the roots of the polynomial function is irrational. The roots of the function are 2, <img src="https://tex.z
nikklg [1K]

Irrational roots occurs with its conjugate.

Therefore, -√3 is also root of the function.

The answer is -√3.


6 0
3 years ago
Read 2 more answers
There are 135 people and three door prizes. how many ways can door prizes of $7,500, $750 and $75 be distributed?
igomit [66]

Answer: 2405970 ways

Step-by-step explanation:

When the order of selecting r individuals out of n individual , we use permutations.

The number of permutations of r things taking out of n things is given by :-

^nP_r=\dfrac{n!}{(n-r)!}

Given : There are 135 people and three door prizes .

i.e. n= 135 , r= 3

Then, the total number of ways = ^{135}P_3=\dfrac{135!}{(135-3)!}

=\dfrac{135\times134\times133\times132!}{132!}\\\\=135\times134\times133\\\\=2405970

Hence, there are 2405970 ways to distribute door prizes of $7,500, $750 and $75 .

6 0
3 years ago
The sum of twice a number and five is greater than three times the number minus three.
AnnZ [28]

Answer:

x<8

Step-by-step explanation:

2x+5>3x-3

2x+8>3x

8>x

5 0
2 years ago
Read 2 more answers
What is the slope of the line shown below?
galina1969 [7]

Answer:

B

Step-by-step explanation:

answer is slope =2

use formula y2-y1 over x2-x1

two points of graph is (6,6) and (1,-4)

since 6 and -4 are both y, we take 6-(-4) over 6-1

we get 2

ask for further explanation if you need!!❤

5 0
2 years ago
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