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algol13
3 years ago
8

Fourth-grade classrooms in several elementary schools are randomly assigned to different antibullying training programs at the b

eginning of the school year. The school district keeps track of the number of incidents of bullying in each classroom.
This study is an example of __________ study.
Mathematics
1 answer:
Anastasy [175]3 years ago
5 0

Answer:

experimental study.

Step-by-step explanation:

This study is an example of an experimental study.

The type of training program is the independent variable. The number of incidents of bullying is the dependent variable.

Since the participants of our study are affected directly in the research (the fourth-grade children) by not training against anti-bullying, the study is experimental research.

An independent variable is one that is somehow controlled or adjusted to evaluate the effects of a different variable, the dependent. Since we control whether we do bullying training here or not, our kind of training program is our independent variable, which is our dependent variable since we measure its impact on instances of bullying no.

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A 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2x inches larger than
Svetach [21]
The options are;
<span>a)4x+12
b)8x+24
c)2x^4+24
d)4x^2+24x+35
</span>

dimensions of the photograph 
length - 7 inch 
width - 5 inch
dimensions of the photo frame is 2x larger than both width and length 
length - 7 + 2x
width - 5 + 2x
the perimeter is sum of all 4 sides 
Perimeter = 2(7 + 2x) + 2(5 + 2x)
                 = 14 + 4x + 10 +4x
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correct answer is b
4 0
3 years ago
Can anybody help me please
Advocard [28]

Answer:

Is B

Step-by-step explanation:

8 0
3 years ago
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Can someone please help, I will give brainiest. If possible explain please.
lesantik [10]

Step-by-step explanation:

The angles (8x + 28) and (4x - 7) are supplementary to each other so we can write

(8x + 28) + (4x - 7) = 180 \Rightarrow 12x + 21 = 180

or

x = 13.25

Also, note that the angle (4x - 7) and \angle{TQS} are vertical angles, which means that they are equal to each other. Therefore,

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7 0
2 years ago
What is the value of 35 to the second power
valina [46]
35 to the second power would be the same as multiplying 35 by itself so.....
Ex. 35 to the second power would be

35x35

35 to the third power would be

35x35x35


35 to the fourth power would be

35x35x35x35



And etc.


35x35=1,225


7 0
3 years ago
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bixtya [17]

Answer:

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Hope this helps!!

4 0
3 years ago
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