1. Math

    -2x^2+4x+3=0 Complete square Quadratic equation

    asked by Ciara on June 4, 2018
  2. Pre-Algebra

    combine like terms and solve equation: m/4-6=2

    asked by Lucy on September 20, 2010
  3. Math

    Where does the parenthesis go to make the equation true 5+4*3-1=18

    asked by Abel on September 12, 2016
  4. MATH

    What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).

    asked by Vince on June 7, 2011
  5. algebra 1

    in the equation below, y is a function of x. y = 4x + 8 if the value of x isdecreased by 3, how will the value of y change?

    asked by Jamie on September 20, 2010
  6. algebra

    state the slope of line given the equation y=2/3x+6

    asked by jerry on March 1, 2010
  7. Geometry

    which is the equation of a circle with center (5, -2) and a radius of 3?

    asked by Kat on May 31, 2018
  8. maths

    solve the equation using cramer's rule. 3x+2y=12 and 2x+3y=7

    asked by Joseph on May 27, 2018
  9. algebra

    What number is used to complete the square for the equation x^2 + 5x = 0? a) 25 b) 6.25 c) 2.5 d) 10 d

    asked by ant on June 4, 2010
  10. algebra

    Find the root (solve) of each equation. a)1/3 (2w-6)=-10 b)3a-7/4=4a+5/3 c)3k/2-k+3/3=8-k+2/4

    asked by bev on October 27, 2009
  11. Amos

    What is the chemcal equation between ethanethiol and methoxide anyone?

    asked by Rani on December 11, 2016
  12. algebra 1

    An equation is not a function if even one x value produces ____ corresponding y value(s). a. one b. less than one c. more than one d. zero for a Is it A?

    asked by Toni on May 18, 2010
  13. Math

    What number makes the equation true? + 29 = 98

    asked by Aniyah Holmes on November 19, 2018
  14. Catholic university of Cameroon bamenda

    Mk y the subject of the equation 100x-500y-5x^2-5y^2=0

    asked by aristide on November 17, 2015
  15. intermidate algebra

    solve equation(rational expression) 3/10=5/x 3x=50 x=50/3 x=16 2/3 is this right.

    asked by Keaton on May 18, 2010
  16. Math.

    Solve the linear equation. 14x−1/2(4x+6)=3(x−4)−18

    asked by April Martinez. on December 12, 2016
  17. Algebra

    Write an equation of the line that passes through (8, 3) and (4, 3).

    asked by joshua on January 5, 2011
  18. math

    How can you use an equation to make a prediction from a pattern?

    asked by erica on August 30, 2018
  19. math

    how do you determine an equation in a line of best fit?

    asked by Ted on May 18, 2010
  20. Calculus

    Write the following equation in logarithmic form a^(4b-6)=3c+d

    asked by Lexy on November 27, 2018
  21. math/equation/Paul

    I meant is 12 the correct answer to the equation 4+8[9/3(9-6)]

    asked by Christ on January 4, 2010
  22. Calculus Please Help

    Let f(x) = x^3 - x^2 + x - 1. Find an equation for tangent line to f at x = 2.

    asked by Cecille on March 23, 2011
  23. Science

    What is equation between ethanethiol and methoxide ion?

    asked by Cheyenne on December 11, 2016
  24. math lit

    complete the ordered pair for the equation (__, 15)

    asked by T on December 9, 2016
  25. MATH

    solve each system of equation by elimination: a. 3x-4=y, 3x=y+6 b. 2x=y+1, y=6-3x c. x=5y+5, 3x=7-y Thank you :))

    asked by Camz on February 24, 2016
  26. precalculus

    can you explain what the equation y = a(x - h)2 + k, a ≠ 0 means and what it represents?

    asked by Benjamin on December 5, 2016
  27. Calc 3

    The plane containing the lines r1(t)=⟨1,−4,−1⟩+t⟨1,2,−2⟩ and r2(t)=⟨1,−4,−1⟩+t⟨1,0,3⟩ has scalar equation

    asked by ally on September 11, 2018
  28. to reiny

    so would my equation be: d^2 + 3^2=6^2 d^2 + 9=36 d^2=27 d=square root of 27? d=5.197 or 5.2?

    asked by Lauren on December 5, 2009
  29. Math

    What is the equation of the parabola with x-intercepts 1 and 3, and that passes through (–1, 16)

    asked by XOXOX on November 22, 2015
  30. Algebra 2

    I don't know if I did this equation right.. ln 6x (greater than or = to) 4 I got 9.0997

    asked by Ana on March 9, 2010
  31. math

    (2+3)+(3+4) = (3+4)+(2+3) does this equation demonstrate the commutative property? why or why not?

    asked by Joe Joe on September 16, 2010
  32. Math

    If i'm given the equation 4.23= -.19t^2+2.56t-2.37 how do i find the value of t?

    asked by Isabel on August 22, 2010
  33. Math

    y = -6 when x = -2 y varie directly with x. what equation relates x and y? x/y = -2/-6

    asked by Jasmine on June 3, 2007
  34. algebra

    What is the equation for the line with a slope of 7 and a y-intercept of -1 ?

    asked by Jack on September 19, 2016
  35. MATH

    Which ordered pairs are solutions to the equation? y = 3x – 4 A. (11, 5) and (2, 2) B. (5, 11) and (3, 2) C. (5, 11) and (2, 3) D. (5, 11) and (2, 2)

    asked by KYLIE on February 23, 2016
  36. Chemistry

    H2O2 → H2O + O2 is this a balanced equation?

    asked by Person on December 2, 2017
  37. Math

    Graph the Equation x=-2 What of I do after this step 0x+1y=-2 1x+0y=-2 I am really confused

    asked by Standard on December 8, 2016
  38. Algebra

    Write an equation of the line that passes through (8, 3) and (4, 3).

    asked by joshua on January 5, 2011
  39. college algebra

    Write equation in slope form y+3= -3(x-6)

    asked by BJ on April 23, 2010
  40. Calculus Please Help

    Let f(x) = x^3 - x^2 + x - 1. Find an equation for tangent line to f at x = 2.

    asked by Abi on March 23, 2011
  41. Math

    Solve the equation. 1. y-5/3 =1 A -2 *** B 8 C 18 D 6 2. 6x + 29 =5 A -4 B -18 ** C 204 D -144

    asked by Louis on September 18, 2016
  42. Algebra

    Is there an instance when a linear equation is not a function?

    asked by Anonymous on April 20, 2010
  43. math

    solve quadratic equation by factoring 5x^2-6x-11=-3

    asked by jerson on April 18, 2010
  44. math

    Which choice is equivalent to the equation -4(x+b)=p+8b A: x=p+7b-4 B: x=-4p-28b C: x=-1/4p+b D: x=-1/4p-3b

    asked by Gg on September 18, 2016
  45. Algebra

    how to plot the equation and find the y intersect of y + x = -10 thank you

    asked by Diana on October 7, 2009
  46. range and domain

    whats the domain and range of the equation 2x^2+2y^2-20=0

    asked by asim on November 10, 2010
  47. Math

    y - 5 / 3 = 1 Could someone help me solve this equation? I'm stuck and I need an explanation on how to get it, please and thank you. (:

    asked by ShookySuga on December 7, 2018
  48. Math

    Which ordered pairs are solutions to the equation? y = 2x + 5 A. (5, 15) and (2, 9) B. (5, 10) and (2, 9) C. (15, 5) and (2, 9) D. (5, 15) and (9, 2)

    asked by Anonymous on February 26, 2016
  49. Math help Mrs.Sue

    Which ordered pairs are solutions to the equation? y = 2x + 5 A. (5, 15) and (2, 9) B. (5, 10) and (2, 9) C. (15, 5) and (2, 9) D. (5, 15) and (9, 2)

    asked by Anonymous on February 26, 2016
  50. Math

    The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a+b? Can you please help me with this question?

    asked by Joshua on January 3, 2017
  51. Algebra

    What is the slope and y-intercept of the equation? Y=7/10x-4

    asked by Guesshwyalolll on February 26, 2016
  52. 11th grade

    What is the balanced chemical equation for P+H2>PH3?

    asked by Butt on December 3, 2009
  53. math

    Rewrite each equation to isolate the indicated variable. y = 9x + 2 for x df = g - 10 for d

    asked by Tori on December 8, 2017
  54. algebra

    In which direction does the parabola that is given by the equation below open? y = -4.5(x - 6)2 + 1

    asked by Tamra on January 6, 2010
  55. Linear EQUATIONS

    Need help! Graph the equation and identify the y intercept. Y = 1/5 x THANK YOU!

    asked by Jessica on November 12, 2010
  56. Vectors/Calc

    Find values of a, b, and c which satisfies the following equation: a(2,1,0) + b(-3,4,5) + c(2,0,3)= (-4,10,7)

    asked by Anonymous on May 23, 2011
  57. Physics

    solve for h in the equation for density P= M/V and V= pi r squared h

    asked by tom on August 28, 2018
  58. Algebra HELP!

    how would I solve this on a equation to graph and what would my slope be? -3x-2y=18 and 3x-y=0

    asked by Alea on November 12, 2015
  59. Math

    Write an equation that is parallel to the line y=-2x+4

    asked by Aria on December 20, 2016
  60. Algebra

    Determine whether x is positive or negative in the following equation: x-|x|=0

    asked by Derek Schader on August 25, 2018
  61. Algebra

    how would I solve this on a equation to graph and what would my slope be? -3x-2y=18 and 3x-y=0

    asked by Alea on November 12, 2015
  62. Math

    Use an equation to solve the problem. What is 57% of 11? A. 11 = 0.57 • n; 19.3 B. n = 57 • 11; 627 C. n = 0.57 • 11; 6.27 D. 11 = 57 • n; 0.19

    asked by Anonymous on November 27, 2018
  63. math

    2/27(x-3)√((x^2-6x+23)/y)rearrange the equation to make y the subject

    asked by alan on May 25, 2011
  64. Algebra

    Write the equation y - 2 = 4(x + 5) in standard form

    asked by joshua on January 5, 2011
  65. Math

    How do I find the equation of a tangent of y=cos(2x+(pi)/3) at x=(pi)/4

    asked by Kayla on August 17, 2010
  66. Intro to Chemistry

    How do balance this equation K2S+CuSO4

    asked by Ariel on October 8, 2009
  67. Math

    I have to factor this equation, which is a perfect square: 2p^2+4p+1 How do I do this?

    asked by Anya on October 29, 2009
  68. math

    Solve the system x^2+(y-3)^2-9=0 x+y-1=0 Substitute 1-x for y in the first equation. x^2 + (x+2)^2 = 9 4x + 4 = 9 Take it from there

    asked by Angie on March 5, 2007
  69. calculus

    solve the following differential equation: y' + (y)tanh(x) - 2e^x = 0

    asked by Christine on May 7, 2008
  70. Science

    The word equation for Iron and Sulphur

    asked by Daphne on October 29, 2011
  71. Algebra 1

    Without solving the equation -3x+5=44, tell whether the value of x is positive or negative. How do you know?

    asked by Mercedez on October 29, 2011
  72. Math

    Given f(5) = 5 and f(9) = -2 determine the equation of the linear function f

    asked by Anonymous on February 23, 2015
  73. Math

    How to make an equation out of 0,5 and -3,-4 on a coordinate plane

    asked by Coleson on October 9, 2014
  74. Algebra 2

    Solve the equation x^3 - 3x^2-22x+24=0 do you use a graph?

    asked by Nancy on February 22, 2015
  75. Math

    How to make an equation out of 3,3 and 0,1 on a coordinate plane

    asked by Coleson on October 9, 2014
  76. math

    what is the general equation for half-life?

    asked by Anonymous on February 15, 2008
  77. Algebra

    What are the slope and the y-intercept of the graph of the equation 4x-2y=5?

    asked by randi on May 18, 2009
  78. Linear equation

    Graph each equation by making a table. Y = 4

    asked by Ashley on November 29, 2012
  79. AAlgebra 1

    Graph each equation by making a table. Y = 4

    asked by Ashley on November 29, 2012
  80. Algebra 2

    solve the equation x^2 - 3x^2-22x+24=0 do you use a graph?

    asked by Nancy on February 22, 2015
  81. math

    Can you please give me a example of a - and + multi step equation

    asked by Ethan on January 19, 2012
  82. Linear equation

    Graph each equation by making a table. Y = 4

    asked by Ashley on November 29, 2012
  83. Math

    How would I solve this equation? -11p^6r^4 ---------- (-2p^4)^3 (-10p^5r^4)

    asked by Yvette on November 28, 2007
  84. Math

    Is there another way to write this equation? y=35.15e^1.04x

    asked by Anonymous on October 15, 2014
  85. Math

    Find the slope of the line described by each equation 7x-6y=42

    asked by Coleson on October 8, 2014
  86. Physics

    How can one solve this equation for t? Y = 1.3 + 18.8 t - (g/2) t^2 = 0 (Assume g = 9.8 m/s^2, the value on Earth)

    asked by Anonymous on January 21, 2012
  87. algebra 1

    how do you solve this equation with the substitution method. 1) 6x + 4y = 6/5

    asked by debbie on August 21, 2012
  88. Math

    How do you do an equation of line perpendicular through y-intercept?

    asked by Hannah on December 1, 2013
  89. 9th grade

    solve the rational equation 4/x-2=x/12 would the answer be -1,3

    asked by nicky on August 22, 2008
  90. pre-calculus

    equation for parabola with focus (8,-2) directrix x=4

    asked by phill on June 2, 2013
  91. Math

    Find an equation for the line that contains the points (2, -3) and (6, 9).

    asked by Brian on June 2, 2013
  92. Algebra

    Rewrite the equation 2x+4y+2=3y+5 in general form. A.2x+y-3=0 C.2x+y=3 B.y=-2x+3 D.2x+7y+7=0

    asked by denaa on August 22, 2012
  93. Math

    The equation of a circle A(x^2+y^2)+Bx+Cy+9=0 that passes through (1,0), (2,-1) and (8,7). Find B. Thanks!

    asked by Vonne on August 23, 2012
  94. Math

    Find the coordinates of the y-intercept for the given equation x+y=2

    asked by Lamar on January 22, 2012
  95. math

    what is the answer to this systems of equation using elimination 2x+3y=11 and 3x+3y=18

    asked by malachi on December 13, 2010
  96. MATH 101

    How do you solve system of equation problem. example x+3y=32 -3x+2y+3 and x+y=6 x-y=-9

    asked by Ann on October 26, 2011
  97. PHYSICS

    what is the equation for bose einstien condensate?

    asked by lissa on October 27, 2011
  98. algr.2

    solve for the equation or formula for the specified variable x+y-a=b,for y over Z

    asked by hannah on August 29, 2012
  99. algebra 1

    Find the slope and y-intercept of the equation. y+3=-1/3x

    asked by jackson on October 27, 2011
  100. math

    A number K increased by 10 is the same as 24 How would you write this as an equation

    asked by gamer65 on February 25, 2015

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