Mathematics

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Across
  1. 1. When one function is substituted into another function .
  2. 5. From the top of the triangle, cut the corresponding opposite side in half.
  3. 7. 26:12=13:6 is the product of the second and third.
  4. 9. The unknown is equality .
  5. 10. Straight path that goes on forewer .
  6. 12. How many types of ratios are written ?
  7. 14. 1:3=2:6 is the product of the first and fourth.
  8. 16. 30 percent of 80.
  9. 17. An angle less than ninety .
  10. 18. f(x)=xn is a writton function .
Down
  1. 2. What is b called in the function y=kx+b?
  2. 3. The result of adding two or more numbers .
  3. 4. A fiqure creted by two rays .
  4. 6. All sides of the triangle are equal .
  5. 8. A straight line with the endpoint .
  6. 11. A number equal to LCM(121;144):GCM(121;144).
  7. 13. A fiqure with three sides .
  8. 15. What is k called in the function y=kx+b?
  9. 19. Go on forewer in one direction .