Esme1995
27.09.2020 •
Mathematics
If a number is an element of the set of real
numbers, which of the following statements
must also be true?
A) The number is an element of either the
set of rational numbers or the set of
irrational numbers.
B) The number is an element of both the
set of rational numbers and the set of
irrational numbers.
C) The number is an element of the set
of rational numbers but not the set of
irrational numbers.
D) The number is an element of the set of
irrational numbers but not the set of
rational numbers.
Solved
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Ответ:
Option (A)
Step-by-step explanation:
A set of real numbers is a combination of both rational and irrational numbers.
But the elements in the sets of rational and irrational numbers will be different.
In short, rational and irrational number sets are the two subsets of real numbers.
Hence, the number is an element of either the set of rational numbers or the set of irrational numbers.
Option (A) is the correct option.
Ответ:
(Ef)/(ec)=tan2
Angle 1= angle 2
Tan1=tan2
(Bc)/(ab)=(ef)/(ec)
...