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1049.1. Reverse proportionality concept.

Check the correct answer!

John lives 2km from school, every day it takes 20 minutes to school. In school he learned reverse proportionality concept, he used it when going home. Is every Johns statement correct?
If i walk 2 times faster, my spent time would decrease 2 times.
Reverse proportionality
Reverse proportionality concept

Solve tasks to find hidden Geo point coordinates

  1. Physics: Movement diagram.
  2. Physics: Physics language.
  3. Chemistry: Acids, bases and salts chemical formulas and names.
  4. Geometry: Pythagorean theorem. Right angled triangle signs.
  5. Algebra: ax² + bx = 0
  6. Algebra: Incomplete quadratic equation
  7. Algebra: Square trinomial roots
  8. Geometry: Parallelogram, elements. Properties and signs.
  9. Algebra: Reverse proportionality concept.
  10. Algebra: Average arithmetical