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SVETLANKA909090 [29]
2 years ago
8

Which equations support the fact that rational numbers are closed under addition?

Mathematics
1 answer:
scoundrel [369]2 years ago
5 0

Answer:

3/16+3/16=6/16

Step-by-step explanation:

HOPE ITS HELP YOU

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Answer:

B) 4.5

Step-by-step explanation:

The area of the first figure is 10x

The area of the second figure is 6(x+3)=6x+18

To solve, find the x that makes 10x=6x+18

   1) 10x=6x+18

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To check work)

   1) 10(4.5)=6(4.5)+18

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   3) 45=45

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