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3 years ago

Is 0 a real number? Why or why not

Mathematics

2 answers:

Elena L [17]3 years ago

4 0

Yes even though it has no effect

Elena-2011 [213]3 years ago

3 0

Answer:

The number 0 is both real and imaginary. ): Includes real numbers, imaginary numbers, and sums and differences of real and imaginary numbers.

Step-by-step explanation:

so i would say no but thats for you to decide

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3 years ago

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Alik [6]

Answer: c)

Step-by-step explanation:

This can be done through trial-and-error. Use the pythagoreas' theorem $a^{2} +b^{2} =c^{2}$ and if the left side of the equation is equal to the right, that is the answer.

(Do take note that c is the longest side.)

$0.07^{2} +2.4^{2} =5.7649$

$2.5^{2}=6.25$

Since $2.5^{2} \neq 5.7649$ , a) is wrong.

$17^{2} +30^{2} =1189\\
34^{2} =1156$

Since $34^{2}\neq1189$ , b) is wrong.

c) (answer)

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Since $13^{2} =169$ , c) is correct.

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Since $(13x)^{2} \neq193x^{2}$ , d) is wrong.

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