It is a straight line of symmetry because if you have a paper A and you fold it, it will form a straight line, and that is also meaning a straight line of symmetry. If you fold it any other way, it will not be a line of symmetry.
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Answer: Energy equals mass times the speed of light squared.
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Answer: The average rate of change is
Step-by-step explanation:
The points (1, 2); (2, 2.5); (3, 3); (4, 3.5) and (5, 4) belong to the line shown in the graph attached.
The average rate of change for the sequence is the slope and you can calculate it with the formula:
Then, choose two points of the line and substitute them into :
Let's choose the point (1,2) and the point (2,2.5). Then: