PDA

View Full Version : Beginning Algebra



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 [68] 69

  1. A large stadium contains 21000 seats... How many blocks of seats are there?
  2. Quadratic: Express 4x2 -12x + 3 in the form of (ax+b)
  3. Need help w/: If A/B = 2/3, B/C = 4/7, find the value of A/C.
  4. Grade 10 academic inquiry unit three asap
  5. Swimming pool water calcium level is 300 parts per million.
  6. The area of a playground is 48xy^2-8xy ft^2. If the length is 8xy ft, what is width?
  7. The area of an envelope is 20x^3y^2-8xy sqaure centimeters. If the width is 5xy cm...
  8. Small question about polynomials and factoring them
  9. How do you solve for s? (12x5 - 30x4) - (sx3 - 7)(2x2 - 5x + 3)
  10. Integer equations: find numbers not hit by 11x+4, 12x+11, 17x+12, 19x+1
  11. Finding Domain and Range: for example, F(x)= 2x+3 and h(y)=3/4-y
  12. Struggling a bit on (6m^4)^-2 x 9m^-3
  13. Question about exponents: why are -2^4, (-2)^4 diff, but -2^3, (-2)^3 are same?
  14. How many boys must join the group to make the ratio 5:3
  15. Solve 4 + 3 / 4 + x - 1 / 4 = 1
  16. Original Principle, different rates/investment
  17. Yr 5 maths - is there a mistake in the question?
  18. Solve three algebra tasks (involving composite functions and inverse functions)
  19. Is this possible? "If 3x^2 - 2x + 7 = 0, then find value of (x - 1/3)^2."
  20. plotting a number on a new scale: 10 = 100 9 = 93 8 = 86 7 = 79 6 = 72 5= 65
  21. shearing 2584 sheep who reproduce at rate of 7.6% every 2 years
  22. Need help with real life math problem
  23. Help Trying to find Averages With Percentage Ranges (work experience)
  24. College Algebra: Find plane's speed, windspeed, given conditions.
  25. can you change 10 pints to gallons using the metric system?
  26. Apple and Blackcurrant: To make a 60ml concentrate the calculation would be...
  27. maybe a stupid question?
  28. The Brown Family Children: Charlie is the oldest child in the Brown family....
  29. Divide Sum of Funds into three equal groups of people with three different amounts
  30. Solving 2 equations, 2 unknowns (Money Growth = Inflation + Real growth rate)
  31. Complex equation: ((R*ST) + (U÷V)) ÷ (WX + (Y÷Z)) = 50
  32. A rectangular piece of copper is 6 inches longer than it is wide....
  33. Solving Equation W/ Fractions and Decimals: (100p-4000/100p)=.3
  34. Need help with formula: 100 => 0.00, ..., 50 => -0.125, ..., 1 => -0.250
  35. Finding the Half Life
  36. Solve for x – (x * 20/90) = 45
  37. What is the Value of F (in F = k1 x q1 x q2/d^2) if d is halved?
  38. The value of dimes and quarters is $1.45. If the quarters were replaced by...
  39. Direct Proportion, algebraic formula
  40. 2 Interest Rates. Find Invested Amts: Shelley invested $7000, part at 7%, part at 11%
  41. The expression sqrt85x should be further simplified for which value of x?
  42. Equation Solving: Solve N*I*D = (B*36500) - (N*36500) for N
  43. A direct and inverse proportion to question
  44. A Passenger Plane flew to the maintenance facility and back (Uniform Motion Problem)
  45. Homework Problem: In how many different patterns can these flowers be planted?
  46. price goes up x times y%. How many times must it go down y% to be equal to the...
  47. Help w/ Eqn (from UK): Evaluate SX = [(E*C)+3*H-1] (A-1)[2*(G+D)-(B-2*F-1)]
  48. Inverse Proportionality: A is inversely proportional to B, and A is 5/3 when B is 8/5
  49. How to Rearrange formula? Solve 2(Pc - d) / Pc for Pc
  50. table problem
  51. I'm taking this here because no one else understands what I am saying.
  52. Finding the intersection of two interval notation sets: [1, ∞) & (-∞, 8)
  53. I forgot how to reverse foil (such as X^2 + 2X + 2)
  54. Greatest Common factor from polynomial: 10x​^2 ​​+ 25x + 15
  55. Understand function slope in log-log space
  56. Help w/ word problem regarding coin quantities: Jessica has 16 dimes and quarters.
  57. Given a = c - d / 2ed, find a for c = 20, d = 10, e = 2
  58. Davied has less than one-half the number of balloons that kaite has .
  59. Real formula?
  60. find x if the numbes 3-x, x, and 1-3x form an arithmetic sequence.
  61. (Help) Simplifying by factoring question for 45x^6 = 9x^4
  62. The charge for the first quarter-mile of a taxi ride is $1.40, and the charge for....
  63. Proportional Expectations: Indiana's and Illinois' comparative death rates
  64. Algebra 1/Fractions - Checking the solution of an equation
  65. Please help find double-digit number which is 19 times greater than 2nd digit
  66. A sweet puzzle I can't finish: Spend exactly £10 on exactly 14 sweets, given that...
  67. Algebraic fractions: Question e: 5/[x (x + 1)] - 2/x + 3/(x + 1)
  68. Given I_3 * R_3 = I_1 * R_1, I_x * R_x = I_2 * R_2, solve for R_x
  69. how to explain why ax = bx will always have at least one solution?
  70. Justify steps w/ property, definition, or operation: (3x + 10x) to x(3 + 10) to x(13)
  71. Effects of replacing a value in (a)^2=(b)^2 + 25 with some other value
  72. (Help) Finding "x" in an equation: (x-1)3/4 = 64.
  73. Help required with camels!!!!
  74. Cost, revenue, profit: $24,000 fixed costs, $7/unit cost, $10/unit selling price
  75. Two Linear Equations: "Many students bought prom tickets in advance for $2 each...."
  76. Hard discriminant question: values of k in (k+1)x^2-4kx+3k=0, number of solns
  77. Find a whole number that is both perfect square and cube found between 2000 and 10000
  78. SAT prep algebra question: System of equations: 5x-3y=10 and 6y=kx-42
  79. Find a and m in this equation: x^2+2(m-a)x+3am-2=0
  80. Separate all values in an expression: (a-1)/b --> ((a/1)*(1/b))-(1/b)
  81. Average Revenue Per Group (fries, milk shakes, and burgers)
  82. Rearrange (tan(A1)x.79+(tan(1.97A1)x.66+(tan(3.3A1)x.55=(D3-D0)/L for angle A1
  83. Quadratic Simultaneous Eqns: ""J and T share money. If I square J's money and add..."
  84. Enough conditions for this question? smallest number if exactly 93.6% answered
  85. Finding the gradient: On a graph w/ pressure/105 Pa units, what is gradient?
  86. Justify each step with a property, definition or an operation
  87. Factorise x^4 - x^2 + 1 fulling by completing the square
  88. A circular disk expands and contracts when heated/cooled.
  89. Factorise expression HELP: Does 8ax + 40cx + 3a +18c equal (8x + 3)(a + c) ?
  90. stumped by this problem ("expansion of products"): given (x+b)(x-1)=x2+3x-4, find "b"
  91. Prove how many of these numbers are divisible by 3? 5 integers written around circle
  92. Simultaneous Equations: merchant wants to mix $8/kg of tea w/ $4/kg tea...
  93. Given f(x) = 12x + 6 - 18x, find x if f(x) = -60
  94. Need Urgent Help on math problem: Margaret painted a mural for St. Patrick’s Day...
  95. Extraneous roots of the equation sqr root (3x+2) = 3x
  96. Easy question about series: starting salary of 15000 but w/ fixed annual pay rise d
  97. Equations about the future or the past.
  98. Solving system of linear equations: soln's for 2/5x + 1/3(2y+1)=1/5
  99. please help by providing an excel equation for a "price per square cm" problem
  100. Factoring Question: Why not factor x^2+2x+1 as (-x-1)(-x-1)?