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2606.2. Variation, combination

Write the correct answer!

How many letter combinations can you make from a word VIZBULĪTE, if you choose three letters (no letter repeating)?
How many letter combinations can you make from a word VIZBULĪTE, if you choose four letters (no letter repeating)?
And how many ways you can rearrange those letters to obtain different five-letter strings (no letter repeating)?
Grade:
9
Subject
Algebra
Theme
Combinatorics, probability theory elements
Subtheme
Variation, combination

Solve tasks to find hidden Geo point coordinates

  1. Physics: Electrosafety.
  2. Algebra: Quadratic function y = ax² + bx + c concept
  3. Algebra: Function concept recess: growth-decrease; biggest-smallest value;value interval.
  4. Algebra: Variation, combination
  5. Algebra: Combinatorics
  6. Chemistry: Hydrocarbon combustion. Calculations with chemical reaction equations.
  7. Algebra: Function concept recess: growth-decrease; biggest-smallest value;value interval.
  8. Algebra: Quadratic function y = ax² + bx + c concept
  9. Algebra: Variation, combination
  10. Geometry: Triangle, parallelogram, diamond area formulas, through narrow angle sine value.
  11. Algebra: Quotient
  12. Algebra: Interval methodes in inequalities
  13. Geometry:
  14. Algebra: Difference
  15. Algebra: Probability
  16. Algebra: Combinatorics
  17. Physics: The development of transport
  18. Algebra: Equation with two unknowns (either 1 or 2 degree)
  19. Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
  20. Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
  21. Algebra: Quadratic function y = ax² + bx + c concept
  22. Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
  23. Algebra: Function concept recess: Function root; growth-decrease; biggest-smallest value; value interval.
  24. Algebra: Fraction inequalities
  25. Chemistry: Metal chemical properties.
  26. Algebra: Equivalence
  27. Algebra: Numerical chain concept
  28. Physics: Electromagnetic waves in nature
  29. Algebra: Variation, combination
  30. Geometry: Regular polygon, perimeter and area. Regular polygon indrawn circle, regular polygon indrawn in a circle.
  31. Algebra: Difference
  32. Algebra: Arithmetic progression
  33. Chemistry: Obtaining metal from oxides. With chemical reaction equations.
  34. Physics: Electrical circuit characteristics and Ohms law in circuit.
  35. Chemistry: Organic substance transformation.
  36. Algebra: Difference
  37. Geometry: Triangle similarity signs.
  38. Algebra: Inequality systems
  39. Physics: Energy usage in everyday life
  40. Chemistry: Calculations by chemical reactions.
  41. Algebra: Interval methodes in inequalities
  42. Physics: Elements in suns system.