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2 years ago

Is 3 1/4 a rational or irrational number?

Mathematics

2 answers:

slamgirl [31]2 years ago

4 0

Answer:

It is a rational number.

Step-by-step explanation:

A number is only irrational if it has a decimal that never ends and doesn't have a pattern. So a number like Pi (3.141592653589...) is irrational while a number like 1/3 (0.33333333...) is rational.

postnew [5]2 years ago

3 0

Hi :)

Below is the difference between rational & irrational numbers

<h2>______________</h2><h3>RATIONAL</h3>

A number that can be expressed in $\sf{\dfrac{p}{q}}$ form, where $\large\boldsymbol{q\ne0}$

Evidently,

An irrational number is a number that cannot be expressed in $\sf{\dfrac{p}{q}}$ form

Let's test the given number, $\boldsymbol{3\dfrac{1}{4}}$

Well isn't it already in $\sf{\dfrac{p}{q}}$ form? It is.

Thus

$\longrightarrow\darkblue\boldsymbol{3\dfrac{1}{4}\:is\:rational}$

$\tt{Learn\:More;Work\:Harder}$

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3 years ago

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lubasha [3.4K]

Answer:

1) $65\textdegree$

2) $44\textdegree$

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4) $82\textdegree$

Step-by-step explanation:

1) Since the whole angle is $180\textdegree$ , and to find the other angle, which is labeled as $x$ , you subtract $115\textdegree$ from $180\textdegree$ :

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2) Since you already have two angle measures $46\textdegree$ and $90\textdegree$ , you add them up and subtract it from $180\textdegree$ to get the angle measure for $x$ :