j015
21.07.2019 •
Mathematics
The real number 8.09 belongs to which set of numbers? ? a-natural numbers b-integers c-irrational numbers d-rational numbers
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Ответ:
8.09 can be rewritten as 8 9/100, which in turn can be rewritten as 809/100. This is the ratio of two integers. So, 8.09 is rational.
Ответ:
The answer is in the attached image.
Step-by-step explanation:
In order to determine the graphing solution, you have to graph both inequalities, separately.
The region that is work for both inequalities is the solution. You can draw both equation and painting both, then the surface that it is painted by two colors is the region solution.
I have attached an image that show graphically the solution.
The blue region solution is for:
y>x
The green region solution is for:
y<-x
Therefore the region with the dark green is the solution for both.