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