Mathematics

Mathematics, 22.06.2019 15:30, dh29229

0.8662866239 . . is: rational irrational i think irrational is the answer. right or wrong?

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Mathematics, 03.08.2019 03:30, dkdk31

Below is a proof showing that the sum of a rational number and an irrational number is an irrational number. let a be a rational number and b be an irrational number. assume that a + b = x and that x is rational. then b = x – a = x + (–a). x + (–a) is rational because however, it was stated that b is an irrational number. this is a contradiction. therefore, the assumption that x is rational in the equation a + b = x must be incorrect, and x should be an irrational number. in conclusion, the sum of a rational number and an irrational number is irrational. which of the following best completes the proof? it is the sum of two rational numbers. it is the sum of two irrational numbers. it represents a non-terminating, non-repeating decimal. its terms cannot be combined.

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Mathematics, 03.08.2019 06:00, Seyrum

Which of the following statements is false? select one: a. the product of two rational numbers is always irrational. b. the sum of a rational number and an irrational number is always irrational. incorrect c. the product of a nonzero rational number and an irrational number is always irrational. d. the product of two irrational numbers is either rational or irrational. (the answer is not b i got this question wrong already)

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Mathematics, 18.09.2019 21:00, erickamurillo9929

Below is a proof showing that the sum of a rational number and an irrational number is an irrational number. let a be a rational number and b be an irrational number. assume that a + b = x and that x is rational. then b = x – a = x + (–a). x + (–a) is rational because however, it was stated that b is an irrational number. this is a contradiction. therefore, the assumption that x is rational in the equation a + b = x must be incorrect, and x should be an irrational number. in conclusion, the sum of a rational number and an irrational number is irrational. which of the following best completes the proof? it is the sum of two rational numbers. it is the sum of two irrational numbers. it represents a non-terminating, non-repeating decimal. its terms cannot be combined.

Answers: 1

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Mathematics, 09.10.2019 14:50, amanda2517

State whether the given expression is a rational number or irrational number. give examples to support your answer . a)rational + irrational b)irrational + irrational c)rational x irrational d)irrational x irrational

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