Considering the similarity of triangles, the corresponding sides are:
.
<h3>What are similar triangles?</h3>
If two triangles have the exact same angles, they are called similar, and the corresponding sides, that is, the sides adjacent to the same angles, have proportional lengths.
In this problem, the corresponding sides have equal ratios given as follows:
.
More can be learned about similarity of triangles at brainly.com/question/11920446
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The mean absolute deviation of the number of books is 1.84
<h3>How to determine the mean absolute deviation?</h3>
The dot plot of the number of books is in the attached figure.
From the figure, we have:
x f
1 1
2 2
3 2
4 3
5 1
6 2
7 3
8 1
Start by calculating the mean using:
So, we have:
Evaluate the sum and products
Divide
The mean absolute deviation is then calculated as:
So, we have:
Evaluate the absolute difference
Evaluate the sum of products
Divide
Hence, the mean absolute deviation of the number of books is 1.84
Read more about mean absolute deviation at:
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Answer:
0.525
Step-by-step explanation:
by using two simple numbers just subtract with a regular calculator <3 If I got it wrong very sorry