subject
Mathematics, 25.05.2021 07:10 Pinkywoo

If r and s are rational numbers, prove that r + s and r - s are also rational numbers.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)
Answers: 3
question
Mathematics, 21.06.2019 18:40
Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.
Answers: 3
question
Mathematics, 21.06.2019 19:20
Which number line represents the solution set for the inequality - x 24?
Answers: 3
question
Mathematics, 21.06.2019 20:00
The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.
Answers: 1
You know the right answer?
If r and s are rational numbers, prove that r + s and r - s are also rational numbers....
Questions
question
English, 29.01.2020 03:52
Questions on the website: 13722362