Math 35 Final

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Author:
regishouse
ID:
122996
Filename:
Math 35 Final
Updated:
2011-12-12 02:19:18
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math 35
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math35 final
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  1. Perimeter
    add all sides
  2. Complement
    all angles add up to 90o
  3. Supplement
    angles add up to 180o
  4. Units
    • 4 quarts - 1 gallon
    • 12 in - 1 ft
    • 60 mins - 1 hr
    • 60 sec - 1 min
    • 365 days - 1 yr
    • 56 wks - 1 yr
    • 12 mo - 1 yr
  5. Volume of retangle
    L x W x H
  6. Big Unit to Small Unit
    multiply
  7. Small Unit to Big Unit
    Divide
  8. Scientific Notation
    • smaller number (with or without decimal) is a negative number ( 0.000059)
    • Larger number is a positive (5.6666)
  9. Pythaguem Therm
    a2 + b2 = c2
  10. Area of a triangle
    • (b)(h)
    • 2
  11. (4y-6) (6y-2)
    24y2 - 8y -36y + 12
  12. 15x4y5
    5x2y3
    • 3x2y2
    • reduce 15 & 5, canx smallest exponent
  13. (-6x2y3z)2
    • 36x4y6z2
    • distrubute outside exponent
  14. -102 - 92
    -100 - 81 = -181
  15. 4/5 ÷ 1/2 x 1/4
    • 4/5 x 2/1 x 1/4 = 2/5
    • flip reciprical, multiply from L - R
  16. (a5)3 (a4)2
    • a15a8 = a23
    • distribute outer exponent, add final exponents
  17. 5 builings with 3 floors, how many floors are there?
    • 5 x 3 = 15 floors
    • multiplication
  18. |5-8| x (-15) ÷ (-3)
    • |-3| x (-15) ÷ (-3)
    • 3 x (-15) ÷ (-3)
    • -45 ÷ (-3)
    • 15
    • PEMDAS
  19. One candy bar is $1.26. You want 300. How much will that cost?
    1.26 x 300 = $378
  20. 1 inch is 4 miles, how many inches in 500 miles?
    1/4 = x/500
  21. 0.56% to decimal
    • .0056
    • move two spaces to the left
  22. .0056 to percent
    • 56%
    • move two spaces to the right
  23. -24
    • -16
    • dont include negative in multiplication
  24. (-3)4
    • 81
    • include negative in multiplication
  25. 0.000075 in scientific notation
    • 7.5 x 10-5
    • move over 5 spaces, times by 10
  26. 9x/9 = 1/9
    x = 1/9
  27. 13x/13 = 0/13
    x = 0
  28. 5/0
    undefined
  29. fraction to decimal 5/3
    3 ÷ 5 = 1.6
  30. 5x - 2y2
    x = 7, y = -3
    • (5)(7) - 2(-3)2
    • 35 - 2(9)
    • 35 - 18
    • 17
  31. 90
    1
  32. -8z0
    • -8
    • if not in ( ), 0 only applies to the number or letter in front of it
  33. (6a)0
    1
  34. simplify: 2/10
    1/5
  35. Find GCF: 16x3, 32x5
    • 16x3
    • find the least common multiple of the numbers, use the smallest exponent
  36. Square Roots: √ 9/16
    3/4
  37. of 600 people in a class, 2/3 pass. How many people passed the class?
    • 600/1 x 2/3
    • 1200/3
    • 400
  38. 16 1/4 - 5 1/6
    • 65/4 - 31/6
    • 390/24 - 124/24
    • 266/24
  39. five times the sum of a number and two equals negative seven
    5(x + 2)= -7
  40. Leg 3 , Leg 4
    • 32 + 42 = c2
    • 9 + 16 = 25
    • c2 = 5
  41. Factor : 16x2 + 12x2
    4x2(4 + 3x)
  42. Factor: 17a2b + 3a4b2
    • a2b(17 + 3a2b)
    • nothing factors into 17 & 3 so factor our the variables
  43. (4x2-3x+2) + (5x2-6)
    9x2 - 3x - 4
  44. (6x2 - 3x + 2) - (11y2 = 7x -4)
    • 6x2 - 3x + 2 11y2 + 7x - 4
    • -5x2 - 10x + 6
    • distruibute negative, combine like variable
  45. -4x + 16 = 4(x + 3)
    • -4x + 16 = 4x + 12 ( distribute 4, subtract 4)
    • -8x + 16 = 12( subtract 16)
    • -8x =-4 ( divide -8)
    • x = 1/2
  46. 6(x + 3) - 8 = 2+ 5x
    • 6x + 18 - 8 = 2 + 5x
    • 6x + 10 =2 + 5x
    • x + 10 = 2
    • x = -8
  47. 2 rooms with total capicity of 350. Room 1 can hold 50 more than room 2.
    • x + 50 + x = 350
    • 2x + 50 = 350

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