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1049.3. Reverse proportionality concept.

Check the correct answer!

John lives 2km from school, every day it takes 10 minutes to school. In school he learned reverse proportionality concept, he used it when going home. Is every Johns statement correct?
" If i walked 4 times faster, my road time would decrease 4 times?"
Reverse proportionality
Reverse proportionality concept

Solve tasks to find hidden Geo point coordinates

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  4. Physics: Measurement.
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  6. Algebra: Fractions main property.
  7. Geometry: Parallelogram, elements. Properties and signs.
  8. Algebra: Square trinomial roots
  9. Algebra: Quadratic equation
  10. Algebra: Incomplete quadratic equation