Compare the given dimensions of four triangles. Which triangle is possible to construct? side lengths of 5 ft, 12 ft, and 13 ft
2 answers:
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Answer:
- section 3 (numbered top to bottom left to right)
- section 7
Step-by-step explanation:
The symbols of interest here are ...
∪ -- union. Everything that is in either of the sets.
∩ -- intersection. Everything that is in both of the sets.
superscript C -- complement. Everything that is not in the set. An apostrophe (') can also be used to signify the complement.
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(a) A∩B∩C'
In the first attachment, set A is all of the sections marked 2, 3, 5, 6. Set B is all of the sections marked 3, 4, 5, 7. The sections in both sets are where the circles for A and B overlap:
A∩B = {3, 5}
The sections that are not in set C are 1, 2, 3, 4. So, the one section that is in A∩B, but outside C is section 3.
The checked section is shown in the second attachment.
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(b) A'∩B∩C
In the first attachment, set A' is all of the sections marked 1, 4, 7, 8. These are all of the sections not in set A. The ones of these that are also in set B are 4 and 7. And the one of these that is also in set C is section 7.
The checked section is shown in the third attachment.
Given:
Two points that are close to the line of best fit are (2,70) and (4.5, 90).
To find:
Th equation of best fit line using the given two points.
Solution:
We know that, if a line passes through the two points, then the equation of line is
Two points (2,70) and (4.5, 90) are close to the best fit line.
Consider the two points (2,70) and (4.5, 90). So, the equation of line is
Adding 70 on both sides, we get
Therefore, the equation of best fit line is .