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What is the sum and classification of
(2)/(5) + √(88)

A- 9.78083151..., irrational

B - 9.78083151..., rational

C-13.38083151..., irrational

D- 13.38083151..., rational

User Melenie
by
8.5k points

2 Answers

4 votes

Answer:

The answer is def. A.

User Tim B James
by
8.1k points
5 votes

Answer: OPTION A.

Explanation:

By definition:

A number is Rational when it can be written as a simple fraction.

A number is Irrational when it cannot be written as a simple fraction.

Notice that:


(2)/(5) is a Rational number.


√(88)=2√(2) It is an irrational number.

Therefore, the sum of these numbers is an Irrational number:


(2)/(5) + √(88)=(2)/(5) + 2√(22)=9.78083151...

User Chirag K
by
7.7k points
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