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Brrunno [24]
2 years ago
10

A middle school principal wants to change the lunch menu. The principal surveys the students to determine how the students would

feel about the change. What served method will produce the best repersentative sample
A)survey every 5th student who rides in a car to school
B)survey 3 randomly selected students from every homeroom
C) survey every 10 7th grade student during lunch
D) survey 5 randomly selected students
Mathematics
1 answer:
guapka [62]2 years ago
3 0

Answer:

B

Step-by-step explanation:

B is the best answer because it's a lot of students and unbiased

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What is the reciprocal of each mixed number? Drag and drop the answer into the box to match each number.
Gnoma [55]
Hi there!! 

First, we are going to find the improper fraction of each mixed number. 

10 1/3 >>>>> 10*3+1=31 31/3

2 2/3 >>>>> 2*3+2=8.      8/3 

5 1/3 >>>>>> 5*3+1 = 16.  16/3 

TO find the reciprocal, we switch the numerator with the denominator. 

31/3 changes to 3/31, 8/3 changes to 3/8, and finally 16/3 changes to 3/16. 


Your answer is: 

3/31
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3/16

Hope this helps! Let me know if you have any questions:)
5 0
4 years ago
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So essentially an adjacent angle is when two angles have a common side and a common vertex.

So knowing that we can determine from the picture all the adjacent angles:

D) <2 and <3 are adjacent angles

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7 0
3 years ago
Louiza changes £320 into Euros. £1 is Worth 1.14 euros. How many euros does she receive?​
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