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mary9590
12.07.2019 •
Mathematics
Two points in a rectangular coordinate system have the coordinates (5.0, 2.8) and (−2.8, 5.1), where the units are centimeters. determine the distance between these points.
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Ответ:
Let
A( 5.0,2.8) B( -2.8,5.1)
we know that
The formula to find the distance between two points is equal to
substitute in the formula
therefore
the answer is
the distance between these points is![8.13\ cm](/tpl/images/0080/2898/3d3b6.png)
Ответ:
The total cost=
2.75(3)+2(1.19)+0.64=$11.27
Change=
11.52-11.27=$0.25
You should give him back 25 cents