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UkoKoshka [18]
2 years ago
11

A university wants to conduct a sample survey to determine the average number of students who earned a GPA higher than 3.5. Whic

h of the following survey methods is most likely to produce valid results?
A. The university surveys students who earned less than a 3.5 GPA.
B. The university surveys every other student who earned more than a 3.5 GPA.
C. The university surveys 600 randomly selected students who attend the university.
D. The university selects one department and surveys all of its students
Mathematics
1 answer:
tekilochka [14]2 years ago
3 0

Answer:

C. The university surveys 600 randomly selected students who attend the university.

Step-by-step explanation:

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Solve the following inequality: 3x + 9 ≤7x -11.
m_a_m_a [10]

Answer:

x ≥ -3

Step-by-step explanation:

Step  1  :

Pulling out like terms :

1.1     Pull out like factors :

  -4x - 12  =   -4 • (x + 3)

Equation at the end of step  1  :

Step  2  :

2.1    Divide both sides by  -4

Remember to flip the inequality sign:

Solve Basic Inequality :

2.2      Subtract  3  from both sides

           x ≥ -3

Inequality Plot :

2.3      Inequality plot for

        -4.000 X  - 12.000  ≥  0

 

6 0
3 years ago
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A,B,C, or D? I NEED HELP ON THIS QUESTION
pav-90 [236]

Answer:

d

Step-by-step explanation:

3 0
2 years ago
A corporate attorney has weekends off and has 30 paid vacation days per year, including holidays that fall on weekdays. If his s
snow_tiger [21]

It's slightly ambiguous because the year isn't an even number of weeks, so sometimes that extra day falls on a weekend and sometimes on a weekday.  We'll assume a weekend; that makes the numbers come out nice.

Total working days, 52 five day weeks minus 30 days vacation

d = 52 \times 5 - 30 = 230

So his daily rate is

119600/230 = 520  dollars per day

Answer: A

It's closer to $518 when we count the extra day as a weekday.



3 0
2 years ago
How many shapes would I have on term 104?​
pishuonlain [190]

Answer:

313 shapes

Step-by-step explanation:

The nth term is 3n+1

so 3x104=312+1= 313 shapes

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2 years ago
What is the slope of the line graphed below?​
melisa1 [442]

Answer:

slope is 2

Step-by-step explanation:

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