1. math

    Solve each equation xˉ² = 4

    asked by Marilyn on July 30, 2008
  2. chemistry

    balanced chemical equation for m(s) + n^(x+) (aq) ---> M^(y+)(aq) + N(s)

    asked by alex on February 1, 2011
  3. Algebra

    what is the solution to the system containing the equation ? x + y = -8 and -3x + 2y = 9

    asked by anonymous on April 4, 2011
  4. Product of Roots of Sums of Products of Difference

    What is the product of all roots to the equation ++(x−1)(x−2)(x−3)+(x−2)(x−3)(x−4)(x−3)(x−4)(x−5)+(x−4)(x−5)(x−6)(x−5)(x−6)(x−7)+(x−6)(x−7)(x−8)=0?

    asked by i need help from anyone! on March 25, 2013
  5. Math

    Given f(x)=2x^2-1, determine the equation of the inverse.

    asked by Emily on October 18, 2010
  6. math

    solve the equation 3=4tan(2x+Pi/6) for x

    asked by jack on September 17, 2007
  7. equation and inequalities

    Graph the solution of the equation b-15=-12

    asked by lily on December 30, 2014
  8. Math

    Which equation is equivalent to 3(2x + 7) = 27 A. (3 * 2x) + 7 = 27 B. (3 * 9) x = 27 C. (3 * 2) + 3 * (x + 7) = 27 D. (3 * 2x) + (3 * 7) = 27 my answer is D. is it right

    asked by woah on October 9, 2019
  9. Math

    what is the solution of the equation shown. -4w+5/3= -13

    asked by Adri on September 23, 2015
  10. 9th grade algebra

    solve the equation. 15(x-3)=12x-43

    asked by jean on November 12, 2009
  11. algebra2

    how many solutions are there to the equation below? 6x+30+4x=10(x+3) I want to know how to do this problems Please and Thank you

    asked by Karla on June 10, 2015
  12. Math

    What value for a makes this equation true? 5a=a

    asked by Zoomy on April 26, 2012
  13. Precalc

    What is the degree of the following polynomial equation? (x+9)(x-5)(x+2)=0 1. 2 2. 3 3. 4 4. 5

    asked by CJ on February 20, 2011
  14. Math

    Which of the following makes the equation true? 7t + 26=61 ( 3,5,7,9,)

    asked by Amy on February 15, 2016
  15. math

    What is the slope of the line described by the equation below? y - 9 = -2(x - 8)

    asked by Anonymous on April 30, 2012
  16. algebra

    how do you solve this rational equation s+4/su^2 + 6s+4/s^2u

    asked by kim on May 4, 2012
  17. Basic Algebra

    solve the equation: 16((3x+7)=4(12x+8)

    asked by Catherine on July 16, 2011
  18. Math

    (-3,5) (-2,-6) I do not understand equation of a line

    asked by selena on March 18, 2015
  19. algebra

    solve the quadratic equation: 3x(3x+4)=-4

    asked by nicky on August 21, 2008
  20. algebra

    solve the rational equation 4/x-2= x/12

    asked by nicky on August 21, 2008
  21. Math

    3. Solve the equation using substitution. x + y = 8 y = 3x

    asked by anonymous on November 22, 2018
  22. math

    How many solutions satisfy the equation |3x-2|=|x|?

    asked by John on October 21, 2010
  23. algebra

    how do i solve this equation by using substitution? 2x+y=4 3x+2y=1 please help. thanks

    asked by Mathew G on August 23, 2008
  24. Math

    Simplify this equation? 4(c squared - 1) + 1/3c(3c+6)

    asked by Please help Ms.sue on September 28, 2011
  25. math

    find three solutions of the equation y= -2x - 6 (-2,-10),(1,4),(2,-1) I think this one (-2,-10),(1,-4),(0,6) (0,-6),(3,-2),(-2,-10) (1,-4),(0,-6),(-1,-9)

    asked by really on April 7, 2016
  26. Math

    For the equation given below, evaluate dy/dx 3y^2-3x^2+9=0 at the point (2,1)

    asked by Quade on October 5, 2014
  27. algebra

    How would I make v the subject of the following equation? 5v=3(v+r)

    asked by Nathan on May 6, 2010
  28. pre- calculus

    how do you find the root(s) of the equation x^2+3x-4=0

    asked by Anonymous on October 13, 2007
  29. algebra

    Please help. Solve the given system of equation. 3x -Y =-7

    asked by Vee on January 31, 2013
  30. Intermediate Algebra

    I need to know what the perpendicular equation is to x-3y=6 with the line through (-2,-9)

    asked by Lisa on December 6, 2011
  31. Algebra

    i need help on my homework. how can i graph this equation? y-3=0

    asked by Kia on February 12, 2009
  32. Intermediate Algebra

    I need to know what the perpendicular equation is to x-3y=6 with the line through (-2,-9)

    asked by Lisa on December 6, 2011
  33. Algebra

    40. Solve for the variable in the equation 3(-2 - 3x) = -9x -4. x=2/3 ?

    asked by y912f on May 7, 2010
  34. Algebra

    47. Solve for the variable in the equation: 3.4 = -13.6 + (-3.4c) + 1.7c c=-10 That is what I got.

    asked by y912f on May 7, 2010
  35. math

    Rewrite the equation so that y is the fucntion of x: a. 1/7(49-7y)=5x-3y+14 b. 4(2x-3y)=-5(x+3y)

    asked by Anonymous on September 24, 2009
  36. Algebra I

    Rewrite the equation so that y is the fucntion of x: a. 1/7(49-7y)=5x-3y+14 b. 4(2x-3y)=-5(x+3y)

    asked by Kat on September 24, 2009
  37. algebra

    Find the y intercept for the equation -2x+2=4

    asked by Lee on August 19, 2011
  38. mathematics

    If ?2 is the solution of the equation 2x+1? 3c=2c+3x?7 find the value of c

    asked by sunkanmi on April 3, 2014
  39. math

    find three solutions of the equation y= -2x - 6 (-2,-10),(1,4),(2,-1) (-2,-10),(1,-4),(0,6) (0,-6),(3,-2),(-2,-10) I think this one? (1,-4),(0,-6),(-1,-9)

    asked by really on April 7, 2016
  40. math

    solve the equation Ig(x+14)-Ig(x-2)=2Ig5

    asked by carolina on April 10, 2016
  41. Calculus..Need Help Soon

    If f(x)=1-x^3 and f^-1 is the inverse of f, how many solutions does the equation f(x)=f^-1(x) have? a)none b)one c)three d)five e)six

    asked by Leanna on September 12, 2010
  42. math

    what is the equation for arc length?

    asked by john on December 16, 2008
  43. algebra

    I need help solving this equation. 7y+5/3 = -8/y-3. I am stuck. please help me.

    asked by Maria on June 26, 2014
  44. Please help! Maths

    For what value of K will the equation 3x^2- 4x-(1+K)= 0 have equal roots?

    asked by Seth on April 13, 2013
  45. Math

    Solve the equation: sin^-1 (4x^4+x^2) = 1/6 pi

    asked by Maruf on April 11, 2017
  46. Algebra

    Ok, this equation is confusing me and I don't know how to do it 5/8 - (1/4) ^2 I know that 5/8-1/4 is 3/8, but what else do I do?

    asked by Baby_Banana on January 24, 2018
  47. algebra

    Logarithmic equation Solve for x: 3x=15

    asked by Mike on July 31, 2017
  48. Maths

    How do I sketch a curve with equation y = x(x-2)^2 ?

    asked by kale on November 27, 2016
  49. trig

    how do you graph the equation y=-2cosx?

    asked by Cutie_27 on February 15, 2010
  50. elimination method

    solve the equation through elimination:8y+4z=7 and 6y - 8z =41

    asked by shamiso on October 14, 2013
  51. Algebra

    Q=50-5P. Solve the equation for P Choose the right one P=50-Q P=50+Q P=10-5Q P=10-(1/5)Q P=50-5Q

    asked by BC on August 29, 2010
  52. Algebra2

    what is the solution to the above system of equation 2x + 5y =-4 4x -5y =22

    asked by bowershe on December 10, 2013
  53. math

    How to rearrange an equation by using A=2pirh?

    asked by Emily on October 17, 2018
  54. math

    Solve the following logarithmic equation. ln(x+3)-ln(x-2)=6

    asked by kenni on August 27, 2014
  55. math

    What is addition property using the equation? (3+1) + 6 = 3 + (1+6)

    asked by dust on September 26, 2007
  56. Math

    how do you prove the quadratic equation?

    asked by Randy on July 13, 2012
  57. Algebra 1

    For the equation -4y =8x, what is the constant of variation?

    asked by Steve on December 4, 2014
  58. prealgebra

    In solving this equation (x+3)(x-3)=-8 is the answer x+3=-8=>x=-11 if not why?

    asked by kim on October 5, 2011
  59. Math

    how can i solve for y value with this equation f(x)=-8cos(pi/30(x-y))+8

    asked by Chris on January 6, 2016
  60. Calculus

    Solve the differential equation f"(x)=x^2, f'(0)=3, f(0)=-1

    asked by Anonymous on February 5, 2015
  61. algebra-math

    exponential equation Solve for x 10^1^-x=10^4

    asked by Mike on August 2, 2017
  62. Chemistry

    Balance the equation: Br2 +KI=

    asked by Chloe on July 10, 2018
  63. algebra

    What is the Vertex form of the equation y=x^2+4x-3

    asked by bowershe on December 11, 2013
  64. Mathematics

    Solve the following equation for x, where 0

    asked by Nina on August 14, 2009
  65. Math

    For the equation -4y=8x, what is the constant of variation?

    asked by Kaai97 on December 6, 2015
  66. Math

    Identify the form of this equation 5x+4y=8

    asked by Bye on November 12, 2015
  67. math help one question

    Identify the form of this equation 5x+4y=8

    asked by Bye on November 12, 2015
  68. adv algebra

    name the property that each equation illustrates 83+6=6+83

    asked by sally on September 13, 2012
  69. algebra

    Determine whether 14 is a solution of the equation 6(x - 2)= 70

    asked by Tina on July 6, 2011
  70. Geometry

    how do you find the slope when given an equation ?

    asked by katie on January 16, 2008
  71. Math

    What is the equation of direct variation given that y is 16 and x is 2?

    asked by Dsimmons on May 25, 2016
  72. Algebra

    Is (0,3) a solution to the equation y = x + 3? My answer is no.

    asked by Faye on August 25, 2014
  73. algebra 1

    Solve the equation: 14x + 3x - 40 = 11

    asked by emma on July 11, 2009
  74. geometry

    equation of a line with the co-ordinates(10,0),(11,2),(12,4),(13,6) and (14,8)

    asked by Anonymous on May 11, 2011
  75. math

    Solve the quadratic equation, 2x^2-5x+3

    asked by shima on November 27, 2016
  76. Math

    Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3

    asked by Lola on January 2, 2016
  77. Algebra

    What is the solution to the following equation? 16 = 4x - 4 My answer is 5 because 4 * 5 = 20 -4 = 16

    asked by Faye on August 25, 2014
  78. math

    answer this simultaneous equation please. 3a-b=9 2a+2b=14

    asked by Rhondi on October 15, 2008
  79. maths

    Given that x=lg a is a solution of the equation 10^(2x+1)-7(10^x) =26. Find the value of a.

    asked by Lindsay on May 27, 2014
  80. Math

    please answer this simultaneous equation. 3a-b=9 2a+2b=14

    asked by Rhondi on October 15, 2008
  81. Calc

    Solve the following separable equation. y'=(4x^3-1)/y for y(1)= -3

    asked by Scott on July 11, 2010
  82. math

    Solve and check each equation. 5 - y/2 = 3

    asked by peter on February 27, 2013
  83. Math

    Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3

    asked by Nerd Girl on January 1, 2016
  84. math- pre algebra

    can you help me with this equation and may you please show your work? -3=3-y

    asked by Tanisha on May 25, 2009
  85. math

    TRY THIS EXPONENTIAL EQUATION 4(2^Xsquare)=8^X

    asked by somay on June 22, 2016
  86. math

    Solve the quadratic equation, 2 x2 - 5 x+3

    asked by sara on November 27, 2016
  87. Algebra 1

    Name the property that is used in the equation. Then solve for n. 7y+y=7y+ny

    asked by Fred Flintsone on October 4, 2017
  88. college

    solve each equation 1/5y2-2=-3y

    asked by Jackie on March 24, 2010
  89. just checking(:

    For the equation -4y = 8x, what is the constant of variation? a) -4 b) -2 c) 1 d) 2 Is it b) 2?

    asked by Linear Functions on November 25, 2015
  90. JOe

    How do I find the equation of the wave h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 9 8 9 5 8 9 3

    asked by PreCalculus on December 3, 2009
  91. College Algebra

    How would I go about solving for x in the equation: ln(4x-2)-ln(4)=-ln(x-2) Thanks in advance

    asked by Rina on June 7, 2012
  92. algebra

    Find the given table for equation 4 x + y = 9

    asked by Felicia on June 22, 2016
  93. maths

    Given equation F=9/5c+20 find f-intercept

    asked by M.Qamber on February 14, 2013
  94. MATH

    If (-2,y) is a solution to the equation 2x-3y=5, what is the value of y? I'm having trouble with this one

    asked by Anonymous on December 9, 2013
  95. Calculus

    Need help with this complex number equation. 8-3i/-4-6i=

    asked by Josh on July 30, 2011
  96. Calculus First Derivatives

    If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately... I have no idea how to do this without an equation.

    asked by PLEASE HELP on May 31, 2012
  97. math

    can the quadratic equation be used on -3p^2+66p+9

    asked by Ben !!!HELP!!! on November 25, 2007
  98. Chemistry

    Is there an equation for acid rain? What is it?

    asked by Anonymous on October 4, 2007
  99. AP Chemistry

    What is the equation for Pour A Rainbow?

    asked by Mick on November 15, 2010
  100. MATH

    How is the sentence “12 less than x is four” written as an equation?

    asked by Help i need somebody not just anybody on October 5, 2017

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  567. 567
  568. 568
  569. 569
  570. 570
  571. 571
  572. 572
  573. 573
  574. 574
  575. 575
  576. 576
  577. 577
  578. 578
  579. 579
  580. 580
  581. 581