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Arisa [49]
2 years ago
11

Write an Algebraic expression for the following phrases. K. The sum of a number m and 15 L. 6 more than a number x M. 8 less tha

n N. 27 of a number N. The sum of three consecutive integers 0. The sum two consecutive even integers​

Mathematics
1 answer:
dmitriy555 [2]2 years ago
6 0

1:-

\\ \sf\longmapsto m+15

2:-

\\ \sf\longmapsto x+6

3:-

\\ \sf\longmapsto r-8

4:-

\\ \sf\longmapsto \dfrac{3}{4}x=\dfrac{3x}{4}

5:-

\\ \sf\longmapsto n(n-1)(n-2)=n!

6:-

\\ \sf\longmapsto n+(n+2)=2n+2

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Solution:

<u>A few definitions...</u>

  • Rational number - Any integer, fraction, terminating decimal, or repeating decimal is classified as a rational number
  • Irrational number - All the real numbers which are not rational numbers.

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Since both are known as fractions, they are rational numbers.

<u>Option B - Rational or Irrational?</u>

  • √2 + 5/2

√2 is classified as an Irrational number because if it is simplified, it does not result in any integer, fraction, terminating decimal, or repeating decimal.

<u>Option C - Rational or Irrational?</u>

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Since this is an integer, this is rational.

<u>Option D - Rational or Irrational?</u>

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