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2611.3. Variation, combination

Write the correct answer!

In the travel itinerary there are supposed to visit 6 castles of Latvia. If you decided to visit them all, in how many different sequences could you visit them?

he fact that you would not manage to get everywhere, you understand and choose only 3. In how many different sequences could you visit the choosen castles??
Grade:
9
Subject
Algebra
Theme
Combinatorics, probability theory elements
Subtheme
Variation, combination

Solve tasks to find hidden Geo point coordinates

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