Mathematics Problem Solving
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Questions and Answers

What is the value of $2 + 3(4 - 5)$?

  • $-3$
  • $-5$
  • $-13$ (correct)
  • $-11$

    • Simplify the expression $5x - 3 + 2x + 7$.

  • $7x + 4$ (correct)
  • $-6x + 4$
  • $-6x + 10$
  • $7x + 10$

    • What is the solution to the equation $3(2x - 5) = 7x - 6$?

  • $x = -5$
  • $x = 5$
  • $x = -1$ (correct)
  • $x = 2$

    • Which of the following is NOT a type of calendar commonly used in mathematics?

    <p>Arithmetic calendar</p> Signup and view all the answers

    In mathematics, which calendar is based on the cycles of the moon's phases?

    <p>Lunar calendar</p> Signup and view all the answers

    What is the standard calendar system currently used in most of the world for civil purposes?

    <p>Gregorian calendar</p> Signup and view all the answers

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