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OLga [1]
3 years ago
8

Can someone answer number 11?

Mathematics
2 answers:
Zinaida [17]3 years ago
6 0
1- rational 2- rational. Hope this helped!!
Anna71 [15]3 years ago
5 0

Answer:

Step-by-step explanation:

To be rational means to be able to express the result as the ratio of two whole numbers.

a) 4/7 + (-1/3) = 12/21 - 7/21 = 5/21 so rational

b) √(4) • 2/5 = ±2 • 2/5 = ±4/5 so both solutions are rational

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