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Colt1911 [192]
3 years ago
10

The principal is interested in knowing whether the staff members in the entire school would prefer having meetings before school

or after. The principal conducts a random sample from the following groups:
All staff members
All students
All the front office staff
All the male teachers
Which of the following would provide the best results for the survey? (3 points)

a
All the male teachers

b
All staff members

c
All students

d
All the front office staff
Mathematics
1 answer:
Pachacha [2.7K]3 years ago
4 0

Answer:

B all staff members, but if your going for misogynistic path than A

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Solve the system using elimination: -3x - 3y = 12 -9x + 3y = -24<br><br>The answer is not (-1,-3)
FinnZ [79.3K]

Answer:

{x = 1, y = -5

Step-by-step explanation:

Solve the following system:

{-3 x - 3 y = 12 | (equation 1)

{3 y - 9 x = -24 | (equation 2)

Swap equation 1 with equation 2:

{-(9 x) + 3 y = -24 | (equation 1)

{-(3 x) - 3 y = 12 | (equation 2)

Subtract 1/3 × (equation 1) from equation 2:

{-(9 x) + 3 y = -24 | (equation 1)

0 x - 4 y = 20 | (equation 2)

Divide equation 1 by 3:

{-(3 x) + y = -8 | (equation 1)

{0 x - 4 y = 20 | (equation 2)

Divide equation 2 by 4:

{-(3 x) + y = -8 | (equation 1)

{0 x - y = 5 | (equation 2)

Multiply equation 2 by -1:

{-(3 x) + y = -8 | (equation 1)

{0 x+y = -5 | (equation 2)

Subtract equation 2 from equation 1:

{-(3 x)+0 y = -3 | (equation 1)

{0 x+y = -5 | (equation 2)

Divide equation 1 by -3:

{x+0 y = 1 | (equation 1)

{0 x+y = -5 | (equation 2)

Collect results:

Answer:  {x = 1 , y = -5

5 0
3 years ago
Solve the value of n
UNO [17]
9n+2+34=90
9n=54
n=6
4 0
3 years ago
Read 2 more answers
Reciprocate 1 9/11 plz​
s344n2d4d5 [400]

Answer:

11/20

Step-by-step explanation:

\text{First, multiply 1 times 11, and then add the numerator. We have}\\\\\frac{1\cdot11+9}{11}=\frac{20}{11}\\\\\text{Then, reciprocal is just switching the numerator + denenomanator, so we have } \frac{11}{20}

3 0
2 years ago
Please help me!<br> [One Step Inequalities]
WITCHER [35]
n - 8 < -8

< is similar to = in this case

n < -8 + 8
n < 3

The answer would be bubble #3.
7 0
3 years ago
D. 9.9<br> Math question please show work
34kurt
The ans is B
hope this helps

5 0
3 years ago
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