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is the number rational or irrational?

column a

column b

ab

1.

square root of 40 over 10 end root

ab

2.

8 pi

ab

3.

1 over 6

ab

4.

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a.

rational

b.

irrational

The sum of two numbers is 86, and their difference is 20. find the two numbers

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit