Math PT

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Across
  1. 2. Change 11 4/7 to a decimals. Express your answer correct to 4 significant figure.
  2. 5. Multiply the sum of all the interior angles of a triangle by 3.
  3. 7. Simplify 4(3(5x + 7))+2(x+9)
  4. 10. Evaluate (7-9)^6-24.
  5. 11. Evaluate 7^4-8^3.
  6. 13. Simplify 12y + 7x - 5y + 3x
  7. 15. Write in mathematical symbols the difference of 5 multiplied by x and 10.
  8. 17. Nana’s bank account is $300 overdrawn. How much money will she need to deposit to get her account to have a balance of $755?
  9. 19. Change 23 8/9 to a decimals. Express your answer correct to 4 significant figure.
  10. 20. Write in mathematical symbols the sum of x multiplied by 7 and the difference between 10 and y
  11. 21. Simplify 53 + 16(18 - 15).
  12. 22. Express the result of 5x6+5 as a product of prime numbers.
  13. 24. Simplify 7xy + 2x - 3xy.
  14. 25. If x=2 and y=9, find x(5y+8-3)+2y(x^2+5).
  15. 26. If the angles on a line are 2x, 4x and 60°, and x°, find x.
  16. 27. What is the smallest angle of a quadrilateral if the angles of a quadrilateral are x, 55°, 65° and 5x?
Down
  1. 1. Multiply the remaining angle of an isosceles triangle when the base angles are 45° and a right angles.
  2. 3. What is the sum of the interior angles of a polygon with 30 sides divided by a right angles.
  3. 4. What is the LCM of the LCM of 120 and 124 and the HCF of 216 and 270?
  4. 6. The number of odd prime numbers before 50 multiplied by 4?
  5. 8. What is the sum of all the exterior angles of a polygon with 53 sides add by the sum of all the interior angles of a hexagon?
  6. 9. What is the HCF of the HCF of 150 and 30 and the LCM of 120 and 15?
  7. 10. What is 5 to the power of 4 multiplied by 7?
  8. 11. Simplify 5x(3y - 8)+3x(5x+10)
  9. 12. Joel is on the peak of a 50m hill, he goes down 20m and climbs back up 5m, what height is he at now?
  10. 14. Simplify 17 * (28 / 2(4 -2)).
  11. 16. Let x be 5 and y be 7, find x(y-4x) + (x^2-y)
  12. 18. x+y is a co-interior angle, if x is 60°, what is y?
  13. 23. What is the square root of 1600 multiplied by the cube root of 5832?
  14. 24. If the angles in a quadrilateral are 45°, 70°, 201°, and x, find x.