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3 years ago

Is there a pattern behind prime numbers?

Mathematics

2 answers:

yKpoI14uk [10]3 years ago

8 0

Answer:

Numbers that can be multiplied by itself and 1 only are called prime numbers.

Step-by-step explanation:

Numbers that can be multiplied by itself and 1 only are called prime numbers.

Trava [24]3 years ago

7 0

Answer:

A clear rule determines exactly what makes a prime: it's a whole number that can't be exactly divided by anything except 1 and itself. But there's no discernible pattern in the occurrence of the primes. ... That's because after the number 5, there are only four possibilities — 1, 3, 7 and 9 — for prime last digits

Step-by-step explanation:

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Substituting x-4=y and -5y+8x=29

Marianna [84]

The answer is x=3. Work shown in the photo above!

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Answer:

78.5

Step-by-step explanation:

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Montano1993 [528]

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The circle given by : x^2 + y^2 - 6y - 12 = 0 can be written as:

deff fn [24]

Step-by-step explanation:

Given equation of circle is,

${x}^{2} + {y}^{2} - 6y - 12 = 0 \\ by \: compairing \: it \: with \: \\ {x}^{2} + {y}^{2} + 2gx + 2fy = 0 \: we \: get \\2 g = 0 \: or \: g = 0 \\ 2f= - 6 \\ or \: f= - 3 \\ c = - 12$

again the another form of circle is,

${x}^{2} + {(y - k)}^{2} = 21 \\ or \: {x}^{2} + {y}^{2} - 2ky + {k}^{2} - 21 = 0 \\ by \: compairing \:it \: with \: \\ {x}^{2} + {y}^{2} + 2gx + 2fy = 0 \: we \: get \\ g = 0 \\f = - k \\ c = {k}^{2} - 21$

now equating the values of f in both equations,

-k=-3

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3 years ago