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2 years ago

Why is 0.71875 a rational number

Mathematics

2 answers:

MrMuchimi2 years ago

6 0

Answer:

Because it is terminating.

Step-by-step explanation:

0.71875 is rational because it is terminating (has a clear end). If it were a bunch of random numbers that never ended, then it would be irrational.

slavikrds [6]2 years ago

5 0

Answer:

It can be written as a fraction with integer numerals.

Step-by-step explanation:

One easy rule to follow is 'Can it be written as a fraction with integer denominators and numerators?'. If so, then yes, it is rational.

Something like pi, which can not be represented as a fraction is not rational.

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kykrilka [37]

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Answer:

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Things we know:
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2 years ago

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mr_godi [17]

14 volunteers will not be able to help.

Step-by-step explanation:

According to given statement;

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Keywords: Subtraction, Multiplication.

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3 years ago

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vodka [1.7K]

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$a = 5$

Step-by-step explanation:

Notice that $\triangle CDB$ is a right triangle where its hypotenuse is $\overline{CB}$ . We can also see that $a = CB$ . For this we must use the Pythagorean Theorem.

Recall:

The Pythagorean Theorem states that if you have a right triangle, the principal square root of the sum of the squares of each leg is the length the hypotenuse.

We can see that $CD = 3$ and $DB = 4$

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