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ununoctrium4414
23.07.2019 •
Mathematics
Need the answer quick to this geometry question, anyone know?
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Ответ:
Ответ:
The correct option is
(A) the sum of x and y is a rational number
Step-by-step explanation: We are given to consider that x = 1.5 and y = 3.
We are to select the statement that is true about the sum x + y.
To select the correct statement, we first find the value of the sum x + y.
We have
So, the value of the sum is 4.5. It is a real number.
We know that a real number is
(i) rational, if the digits after the decimal are either terminating or repeating,
(ii) irrational, if the digits after the decimal are neither repeating nor terminating.
The sum 4.5 has terminating digits after the decimal, so it is a rational number.
Thus, the sum of x and y is a rational number.
Option (A) is CORRECT.