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scZoUnD [109]
3 years ago
5

Explain why 13233345364715 is a composite no.​

Mathematics
1 answer:
rodikova [14]3 years ago
6 0

Answer:

A composite number has more than two factors.  In this case, the number 13233345364715 has more than two factors, so it is composite.  

Step-by-step explanation:

Numbers can be classified as prime or composite.  Prime numbers have only two factors, 1 and the number itself.  For example, 13 is a prime number because only 1 and 13 can be multiplied together to get 13.  However, a composite number has more than two factors.  In the case of the numer 13233345364715, I know that there are more than two factors because the number ends in 5, which means it has a factor of 5.  To confirm, divide 13233345364715/5 = 2646669072943. This large of a number may also have other factors, however, since you now know it has at least four factors, it is composite.  

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Step-by-step explanation:

Use the quadratic formula

=

−

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x=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c}}}}{2{\color{#c92786}{a}}}

x=2a−b±b2−4ac

Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.

2

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+

6

+

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=

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2x^{2}+6x+4=0

2x2+6x+4=0

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a={\color{#c92786}{2}}

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b={\color{#e8710a}{6}}

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c=4

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x=\frac{-{\color{#e8710a}{6}} \pm \sqrt{{\color{#e8710a}{6}}^{2}-4 \cdot {\color{#c92786}{2}} \cdot {\color{#129eaf}{4}}}}{2 \cdot {\color{#c92786}{2}}}

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brainliest and follow and thanks

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2 years ago
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Aleksandr [31]

Answer:

(8,-9)

Step-by-step explanation:

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