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Natasha2012 [34]
3 years ago
8

A school wants to attract more students to its media center. The media specialist has been asked to conduct a survey to determin

e which new media items students would like the school to purchase for the media center. Which method should the media specialist use to conduct the survey?
A) Survey the first 25 students in the media center during lunch.

B) Survey a random sample of all students based on student registration.

C) Survey any student who has checked out library materials in the last month.

D) Survey the teachers and staff members.
Mathematics
1 answer:
aliina [53]3 years ago
6 0
I would say C or B but I may be wrong
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Can anyone help me with this?
erma4kov [3.2K]

Answer:  16y² - x²

Step-by-step explanation:  The - sign means a difference, so the choices with + signs are eliminated (though 64x² and 9 are squares)

10 is not a square so that one is eliminated (though the y² and the 4x² are squares)

16 is the square of 4, y² is the square of y, and x² is the square. That expression shows a difference of squares.

3 0
3 years ago
1) Which two teams had the greatest point difference?
MrMuchimi
1) Which two teams had the greatest point difference?
Delta and Beta (85 - 25 = 60)

2) Which two teams had the least point difference?
Delta and Gamma (85 - 75 = 10)

3) What was the average score of the 5 teams?
(45+25+75+85+65) / 5 = 295 / 5 = 59

4) How many more points did Epsilon score than Beta?
Epsilon: 65
Beta: 25 
65 - 25 = 40
Epsilon scored 40 more than Beta

<span>5) Which teams scored more than 2 times Beta’s score?</span>
twice of Beta = 25 x 2 = 50

answer
Gamma (75) , Delta (85)  and Epsilon (65)

7 0
3 years ago
I need help on this
Tanya [424]

Answer:

x = 20

Step-by-step explanation:

Please see the step-by-step solution in the picture attached below.

I hope this answer will help you. Have a nice day !

4 0
3 years ago
Dan bought five new baseball trading cards to add to his collection .The next day his dog ate half of his collection .There are
AleksandrR [38]

-- After dog ate 1/2 of the collection, there were 29 remaining.

-- Just before dog came along, there were (2 x 29) = 58 cards.

-- That was after Dan added 5 new ones.

-- Before he added the 5 new ones, there were (58 - 5) = 53 cards.

-- When this story began, Dan had <em>53 cards</em>.


8 0
3 years ago
Read 2 more answers
2.0 x 10³ =<br> Write this number in standard notation
shusha [124]

Answer:

2(10x10x10)

Step-by-step explanation:

3 0
3 years ago
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