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kirill115 [55]
2 years ago
12

(8422 A) B B) 9 D) 816 8

Mathematics
1 answer:
Cerrena [4.2K]2 years ago
5 0

Answer:

8422

Step-by-step explanation:

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Answer:

I'm assuming that it is a right angle triangle.

Step-by-step explanation:

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Which equations support the fact that rational numbers are closed under subtraction?
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Answer:

A rational number is said to be closed if the subtracted values and the result obtained are rational. Hence, the equations which supports the condition are :

5.5 - 0.5 = 4

5√4 - √4 = 4√4

Step-by-step explanation:

A.)

√8 - √8 = 0 ; the added values aren't rational and the result, Zero is not rational either.

B.)

5√4 - √4 = 4√4

5(2) - 2 = 2(2)

10 - 2 = 4

All the values in the expression are rational ; hence, it supports the assertion.

C)

5.5 - 0.5 = 4 ; all the values in the expression are rational, hence, it supports the fact.

2√3 - √3 = √3 ; the values in the expression are not rational, hence, it does not meet the condition.

Therefore, only options B and C supports the assertion.

Let me add that I learned most of this from Brainly a user named fichoh :)

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Step-by-step explanation:

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Step-by-step explanation:

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