1. math

    If P:Q = 5:4 and P = a+b and Q = a-b, find a:b Explain how to get the answer
  2. Algebra

    Can someone please explain this to me, I know the answer but can not figure out how to get it? (15)(.8)^4(1-.8)^2+(6)(.8)^5(1-.8)^1+(1)(.8)^6(1-.8)^0
  3. biology

    Explain how a new population might be formed
  4. business

    explain currency exchange
  5. Math

    please explain the method of solving: 37 - p = 28 + 4p
  6. english

    she spoke to me as if i were a stranger here I is followed by were instead of was could you pl explain it
  7. algebra

    I do not understand how the solution to(3/2)x +2=15+x is x=34. Can anyone explain?
  8. Math

    Can someone explain the sine rule please?
  9. communication

    Please explain subculture difference
  10. math

    is 2/3 closer to 0.67 or 0.667?explain
  11. psychology

    explain any five exceptions to learning
  12. Algebra2

    is y=1/4x^0.5 a power function. Explain why or why not.
  13. algebra

    2(8+p)=22 these two questions are confusing to me can someone explain them please! 5(a-1)=35
  14. Maths

    explain subtraction steps
  15. Physical Science

    Drwls, would please explain more? I'm not getting this. Thanks
  16. trig

    how do you explain y=2 cos(1 half x)
  17. Math

    Can you explain how you got 7/1 because I calculate -7/17 for the reciprocal of 1/7 (-7-10).
  18. help fast just explain how i get answer but plz

    x/7 and 5/1= a.25 b.30 c.35
  19. help fast just explain how i get answer but plz

    20/x and 41/8= a.35 b.40 c.48
  20. Algebra

    Simplify (Can you explain because I'm clueless) 3y+2y+y^2+5+y
  21. Judges

    Explain possible consequences of ineffectiveness
  22. algebra help please

    add and simplify 1. a^2/2 + 3a^2/8 2. 4c/15 + 8c/25 i need help can someone explain please
  23. Algebra B

    x^2 - 5/2x + 25/16 = -4 + 25/16 = (x-5/4)^2 = -64/16 + 25/16 = (x-5/4)^2 = -39/16 Would someone please explain how we arrived at (x - 5/4)^2 = -64/16 + 25/16 from x^2 - 5/2x + 25/16 = -4 + 25/16 Thanks in advance for your help.
  24. Math

    is a trapezoid a parallelogram explain why or why not
  25. Science

    Explain the meaning of osmosis
  26. Math

    Explain why its necessary to rename 4 1/4 if you subtract 3/4 from it.
  27. Math

    Find two numbers, x and y, such that 10% of x is the same as 40% of y. Explain!
  28. algebra

    How would you explain to your friend why the quotient of x^8 and x^2 is x^6 and not x^4?
  29. math

    i know the answer its b but how i explain 212 to x and 7 to 10 a.24 b.30 c.40
  30. Math

    Explain why (2,-3) would be the vertex of the function y=-3(x-2)^2-3? Please and thank you!
  31. Probability

    Explain what is expected value and how is it calculated
  32. science

    can you explain to me what menopause is and what it means please
  33. Kumar

    What is the life of earth ? explain and why?
  34. help fast just explain how i get answer but plz

    42/22 and 21/x= a.12 b.11 c.10
  35. Math

    Please explain how to solve this problem. 7x-6/3 + 4(8+2x)
  36. history

    • Explain the politics of consensus
  37. math

    Explain how to get the variable alone in each equation..x + 13 = 25 x + 13 - 13 = 25 - 13
  38. Math

    PLease Explain how you can tell if a line is proportional
  39. Math

    please help me Explain how you can tell if a line is proportional
  40. Chemistry

    explain how to 1kpa to atm
  41. Science.

    Explain the atomic structure
  42. Math

    Miles says 47+36 is the same as 50+33. Is this reasonable? Explain.
  43. Science

    Explain functions of water?[6]
  44. math

    Can someone help me and explain what (10P4-) is pls?
  45. Algebra

    Explain three rules of exponents
  46. help fast just explain how i get answer but plz

    21 to x and 7 to 10 a.24 b.30 c.40
  47. Math

    Explain the euler's formula.
  48. Math

    Can someone explain how r = sqrt(1+(c-3)^2) becomwa r = (c^2-6c+10)^1/2
  49. help fast just explain how i get answer but plz

    6 to 8 and 18 to x a.20 b.22 c.24
  50. help fast just explain how i get answer but plz

    9/36 and x/4= a.1 b.4 c.9
  51. algebra

    explain to me why the first coordinate of the y intercept is always 0 please.
  52. math

    Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}
  53. Math 1

    Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}
  54. Geometry

    ST=x+3 and TU=4x-6 what is the value of ST and SU I know ST=6 and SU=12, but I'm not sure how to do the problem, can someone explain? (S, T, and U are all on the same line)
  55. Word meaning please

    what is Hemophilia? please explain thanks
  56. Math, again

    Please explain how to do this problem: 5 + 3 x 2 + (4+2)= I did 5+3=8 x2+ 16 +6=22 did I do this correctly? Thank you...
  57. CALCULUS

    lim x->2 f(x) where f(x) = { x^2-x-2/ 3x-6 , x<2 } {-1 , x=2 } {x+2/4 , x>2} is f(x) continuous at x = 2 ? explain..
  58. math!!!!!!

    multiply x(x+y +2) im lost can some one explain
  59. Precal

    Can you explain how to complete the square? x^2 -y^2 - 2x +4y-6=0
  60. Math

    Josh says that 3/8 is the same as 38% explain why he is wrong.
  61. math

    explain what each equation represents. 1) 5e+1=15
  62. math

    Solve for the variable h: 5r - 6h = m Is it h = 5/6m +r If not, please explain. Thanks
  63. chemistry

    could someone explain the fundamentals of titration please
  64. math

    Explain how to factor 5x^2 - 125.
  65. algebra

    Which of the following are liner? Explain a) y + -2/3x b) y=1/x c) y=x(to the second power)+8x+15
  66. Math

    If qrs / r = s and the value of q is 0, which of the following must be true? Explain why. a) r = 0 b) s = 0 c) s / r = 1 d) qr / r = 1 e) s = 2r
  67. definition

    explain what botanical means
  68. calculus

    does the sequence a=(2n)! / n! converge? Explain
  69. Maths

    How can I tell if a graph is a function or not? Explain please :)
  70. Math

    Is the following series convergent? explain ((2n)!)/((n!)(4^n))
  71. math

    Please explain how to do this problem: 5(9-3)+5x4-6=
  72. Math

    Can mean be found from a histogram? Explain
  73. Math

    PLease explain how to do this Add or Subtract (m^2-m+3)+(m-1)
  74. egypt

    how did the egyptians explain the unknown?????????
  75. math

    Explain: what the expression 6x means
  76. science

    what is Bioenergetics? explain in detail.
  77. math

    Explain vertices and edges
  78. math

    Explain vertices and edges
  79. maths

    Can you please explain to me how to simplify the following fraction: 1/-1/4
  80. algebra2 help

    Please explain to me how to work both these problems. Thank you. x+x^2/2 +2x^2-x= and y^2/4 + y/3 +y^2/3 -y/5= 7y^2/12 + 2y/15
  81. Math

    Please explain to me 1 1/2 times the recipe.
  82. Math

    How do I solve this 120-42÷ (10*4-4*6) Can you explain
  83. Math

    To subtract 91 from 99, do you need to regroup? Explain
  84. Math

    To subtract 91 from 99, do you need to regroup? Explain
  85. history

    explain five function of cairo
  86. Math

    what is heron's formula and could you explain ?
  87. Chemistry

    Explain what causes pressure in a container.
  88. math

    show how to explain answer to p-8p
  89. math

    Explain how multiplication can help you find 7+7+7.
  90. ALG2

    x2 + bx + c and ax2 + bx + c could you factor this and explain it.
  91. 7th grade math

    Does 1/3 + 5/9 - 5/12 = 5/9 + 5/12 - 1/3 ? Explain Thank you :p
  92. history

    explain historical limitation
  93. for ms.sue please answer

    Explain how you know that 7 divided by 9 is less than 1.
  94. 7th Grade Math

    What value(s) can x have if x = |7|? Explain.
  95. Algebra 1

    Can someone tell me the x- and y- intercepts of: x+y=9 Explain how you got the answer please.
  96. 3grademath

    Can a rectangle also be a rhombus? Explain
  97. math

    Explain an error problem in each of the following: a) 13/35=1/5, 27/73 = 2/3, 16/64 = ¼ b) 4/5+2/3=6/8, 2/5+3/4=5/9, 7/8+1/3=8/11 c) 8 3/8-6 ¼=2 2/4, 5 3/8-2 2/3=3 1/5, 2 2/7-1 1/3=1 ¼ d) 2/3*3=6/9, ¼*6=6/24, 4/5*2=8/10
  98. math Please help!!

    Explain the difference in meaning between [-3] and -3
  99. science

    Explain the Nitrogen cycle
  100. math

    are the terms like or not. Explain why.4a,-122a