Maths Crossword

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Across
  1. 4. What is the Basic Proportionality Theorem now known as
  2. 6. Another name for Theoretical Probability
  3. 7. The number that a variable is being multiplied with
  4. 10. decimal expansion of 3/35 is
Down
  1. 1. 200:250:300:350.....750 is a
  2. 2. ___________ is a sequence of well-defined steps to solve a problem.
  3. 3. the Greek letter Σ means
  4. 5. a quadratic polynomial can have at most _________ zeros
  5. 8. the ____________ factorization of composite numbers is unique
  6. 9. Sinθ/Cosθ