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Yuliya22 [10]
3 years ago
10

Is the fraction 315/8 irrational

Mathematics
2 answers:
alekssr [168]3 years ago
5 0

Answer:

no its a rational number

Step-by-step explanation:

Rational Numbers A rational number is a number that can be written as a ratio.  

That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers.

irrational not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal.

Examples of irrational numbers are the number π and the square root of 2.

Debora [2.8K]3 years ago
3 0

Answer:

315/8 GIVES 39.375.

But 35.375 Is actually a rational number,because it is terminating after 3 decimal places.

Hence its not a rational number

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<em>x equals 22</em>

<h2>Explanation:</h2>

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The Segment Postulate states the following:

<em>Given two end points A and B, a third point C lines on the segment AB if and only if the distances between the points satisfy the equation:</em>

\overline{AB}=\overline{AC}+\overline{CB}

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From the figure:

\overline{AC}=8+x \\ \\ \overline{CB}=10 \\ \\ \overline{AB}=40

Our goal is to find x:

\overline{AB}=\overline{AC}+\overline{CB} \\ \\ Substituting \ values: \\ \\ 40=(8+x)+10 \\ \\ 18+x=40 \\ \\ Subtracting \ 18 \ from \ both \ sides: \\ \\ 18-18+x=40-18 \\ \\ \boxed{x=22}

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Step-by-step explanation:

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