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miguegen6225
07.08.2019 •
Mathematics
Note: i finished the first part, i jus need w the second part !
which of the equations from part a represent adding two rational numbers? what hypothesis can you make about the sum of two rational numbers? will the addition result in a rational or an irrational number? similarly, which equations represent the sum of a rational and an irrational number? what hypothesis can you make about the sum of an irrational and a rational number?
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Ответ:
see below
Step-by-step explanation:
Which of the equations from part A represent adding two rational numbers?
Equations A, C, E
What hypothesis can you make about the sum of two rational numbers?
The sum of two rationals will always be rational
Will the addition result in a rational or an irrational number?
Our hypothesis is that the result is always rational. This can be justified by the fact that the sum of two rationals a/b + c/d, where a, b, c, d are integers and bd≠0, is (ad+bc)/(bd), a rational, based on closure of integers for multiplication and addition.
Which equations represent the sum of a rational and an irrational number?
Equations B, F
What hypothesis can you make about the sum of an irrational and a rational number?
The sum of a rational and irrational number is always irrational.
Ответ:
Side of square = (3x-2) units
Dimensions of rectangle are (5x-4y) units, (5x+4y) units
Step-by-step explanation: