1. math

    how many ways can this equation be made true 24 x 18 = 432 x

    asked by mom on March 29, 2011
  2. algebra 2

    What is the equation of the parabola with vertex (3, -20) and that passes through the points (7, 12)

    asked by Anonymous on February 20, 2016
  3. Math

    Solve the equation by the substition method. x-y=11 3x+10y=-6?

    asked by Please help on December 6, 2011
  4. Math

    Solve the equation by the substition method. x-y=11 3x+10y=-6?

    asked by Please help on December 6, 2011
  5. Math

    The roots of the equation 4x^2+4x-5 = 0 can be written in the form x = -1+-*SqrtA/2 The value of A is, how exactly do I do this?

    asked by -Untamed- on December 7, 2011
  6. math

    what would x^2+y^2-4x+2y=0 (Equation for a cirlce) be in r^2=(x-h)^2(y-k)^2 form? tnx I will start you off... x^2+y^2-4x+2y=0 x^2-4x+y^2 +2y =0 x^2-4x+ 4 + y^2 +2y+ 4 =+ 4+ 4 (x^2-4x+ 4) + (y^2 +2y+ 4) =8

    asked by Luke on June 1, 2007
  7. calculus

    find an equation of the curve that satisfies dy/dx=4x^3y and whose y-intercept is 7

    asked by linda on March 20, 2011
  8. math

    Which equation means three minus a number is equal to 7? A. g – 3 = 7 B. 7 – 3 = g C. 3 + g = 7 D. 3 – g = 7

    asked by mia on March 27, 2017
  9. Algebra 2 (Math)

    What is the vertex form of the equation? y = -x^2 + 12x - 4. I have no clue how to do this.

    asked by Riley on December 14, 2015
  10. Algebra

    Write the slope intercept for of the equation: >Through (4,-2) and (0,-4) Ans y= 1/2x -4

    asked by NEED HELP - REPOST from previous on January 6, 2016
  11. math (algebra).

    Graph the equation and identify the y-intercept. y= _1_ 3 x

    asked by jerome on July 2, 2009
  12. Algebra

    Write an equation of a line that is parallel to y = 3x – 5 and goes through the point (3, 1).

    asked by Anonymous on January 12, 2015
  13. Math

    Solve the equation. Check for extraneous roots. 4^2x-4^x-20=0

    asked by Vikki on January 11, 2015
  14. trig

    finding the period of a graph given a equation y=-5sin1/3(x-pi/2)

    asked by ashley -- on April 26, 2011
  15. math

    factoring to solve quadratic equation 5x^2=16x+45

    asked by lori on April 26, 2011
  16. Math

    a+b+c=28 b= a+3 I plugged in the b but got stuck on 2a+3+c. What I did: a+a+3+c=28 2a+3+c=28, but what do I do next to solver this linear equation?

    asked by Rabie on January 12, 2016
  17. maths

    find the equation of the tangent to the curve y=4x^2+5 at the point (2,21).

    asked by AA4 on January 4, 2015
  18. Math

    (Find the slope and y intercept of the graph of each equation) 2y + 4n = -6x

    asked by lol on January 1, 2015
  19. Algebra

    How do I create a quadratic equation that passes through the points (-1,2),(1,7),(4,5)?

    asked by MV on November 20, 2011
  20. Algebra

    If (3,-5) is a point on the graph for the equation in the form y=mx+7, then m=? Answer: -5=m(3)=7 m=-4

    asked by need help on January 5, 2016
  21. algebra

    How do I solve a linear equation using equality properties?

    asked by mom on November 14, 2011
  22. Algebra

    Find the equation of a line throught the points P (-1, 6) and S (4, 2)

    asked by William on December 18, 2007
  23. AP chemistry

    what is the balanced equation of H+ + [Al(OH4]- and [Al(H2O)6]3+ + K+ + SO4

    asked by Lilly on October 15, 2009
  24. Math - Algebra

    [ (x-3)(x+1) / (3x+11) ] = 0 How would I solve this equation? I don't know how to isolate for x. Answer: 7

    asked by Anonymous on December 12, 2007
  25. algebra

    Solve each equation. Watch for extraneous solutions 5/y-3 = y+7/2y-6 +1

    asked by Joe on July 13, 2009
  26. calculus

    Find an equation of the tangent line to the curve at (8,0). y=ln(x^2 -8x +1)

    asked by Alexa on November 9, 2011
  27. math

    repost find unknown number in the equation 9/10 - x = 1/5

    asked by bob on January 21, 2015
  28. Chemistry

    How do I find x and y in the following equation: 222. 4 86 Rn - 2 He + X 228. 0 -1 e. + y 88ra

    asked by Victoria on January 17, 2015
  29. Algebra

    Simplify this equation: -9-6(w+5) I think it is -15w+30. Please reply ASAP

    asked by Me on January 15, 2015
  30. Algebra 1

    Solve the equation for A. 12AB + 7B = 5A Please help, I am completely stuck.

    asked by Anonymous on December 23, 2015
  31. math

    What is the equation of the chord of the circle x^2+y^2=16, passing through (2,3). Pls help!

    asked by manish on December 25, 2015
  32. math

    What is the equation of the chord of the circle x^2+y^2=16, passing through (2,3). Pls help!

    asked by ranju on December 25, 2015
  33. math

    use the distributive property to help you solve the equation 9(w-2)=45 w=7 is this correct?

    asked by jason on June 29, 2009
  34. Algebra

    Write an equation of the line with a y-intercept of -4 that is parallel to 6x-2y=13

    asked by LadyPhantomhive on January 14, 2016
  35. math

    Hints to solve following nonlinear equation please? y=-4.9x^2+20x+10 9.8x+y=20

    asked by momo on November 21, 2011
  36. math

    Please explain the steps on to solve this equation. x^-6 - 8x^-3 + 16 = 0 k^-4/3 - 10k^-2/3 + 21 = 0

    asked by Hellga on January 9, 2008
  37. chemistry

    How do you balance the equation NH3 + CuO > Cu + H2O + N2

    asked by Trish on April 15, 2011
  38. Algebra

    (write equation in simplest form) -6q+5.8=23.8 A.q=3 B.q=-3 C.q=-1.83 D.q=4.93 My and we was C. Is that correct?

    asked by Amber on January 21, 2016
  39. Math

    how do i find the equation of a parabola given x intercepts x=0 and x=6 and a vertex at (3,4)?

    asked by Cody on November 25, 2011
  40. MATH

    CAN YOU EXPLAIN TO ME HOW quadratic equation CAN BE USED IN EVERYDAY LIFE?

    asked by patiance on April 14, 2011
  41. maths

    solve the equation x³ − 7x² + 36 = 0 , given that one root is double the other

    asked by tabassum on January 22, 2016
  42. math

    find the equation of tangent to the curve (x\a)^n + (y\b)^n = 2 at the point (a, b)

    asked by moh on December 16, 2014
  43. Math

    solve the equation sin(3x) + (1/2) = 2cos^2(x) for X to be between 0 and 360

    asked by sahmit on April 14, 2011
  44. precalulas

    solve each equation over the given interval 2x=cosx for all values of x

    asked by sylvia on November 27, 2011
  45. math

    The product of 8 and twice a number is 3. What would that translate to if you were to write it out as an equation?

    asked by johnny on October 22, 2009
  46. Math

    What is the equation of the line that has a slope of 0 and passes through the point (6, -8) A. x=6 B. y=6 C. x=-8 D. y=-8

    asked by Anonymous on December 18, 2014
  47. finitie math

    solve the system of equation for all variables using a matrix 2x+y+z=6 -3x-4y+2z=4 x=y-z=-2

    asked by crystal on June 26, 2009
  48. finite math

    solve the system of equation for all variables using a matix x-y-z=1 2x-3y+z=10 x+y-2z=0

    asked by crystal on June 26, 2009
  49. Math

    How do I create a quadratic equation that passes through the points (-1,2),(1,7),(4,5)?

    asked by momo on November 21, 2011
  50. 12 grade math

    If Y varies inversely as X^2, determine what Y would be if X = 2 and another point on the equation is (1,8).

    asked by ki on April 18, 2011
  51. Pre-Calculus

    How do you solve the equation(800+x)tan33=xtan35?

    asked by Angie on December 29, 2014
  52. Math

    For what values of r does the function y = erx Satisfy the equation y'' + 5y' + 6y = 0?

    asked by Mathematics on January 16, 2016
  53. Math

    (Find the slope and y-intercept of the graph of each equation) y = 5x – 3

    asked by lol on December 26, 2014
  54. Math

    Solve the logarithmic equation for x. Log3(x^2 − 5x − 9) = 3 I Have no idea

    asked by Anonymous on November 22, 2011
  55. arithmetic

    using 1,2,6,7 and arithmetical symbols make equation to get 33 as answer

    asked by radheshyam on April 18, 2011
  56. Math

    Write a quadratic equation having the given number as solutions -7 and -4 I cant think of how to do this?

    asked by Allison A on November 22, 2011
  57. math

    what is the difference between ( and [ in context to solving algebric equation?

    asked by Ted Mosbi on June 27, 2009
  58. Calculus

    Determine the equation of the normal line y=x^2+5 at the point (2, 9) I got y= 4x+1

    asked by Olivia on December 21, 2014
  59. Chemistry

    What is the equation for the reaction between stearic acid and ammonia?

    asked by Anonymous on January 22, 2016
  60. CHEM 111

    What is the net ionic equation of Na3PO4 + NH4Cl=?

    asked by Anonymous on October 8, 2014
  61. Algebra

    What are the solutions of the quadratic equation below? 4x2 - 30x + 45 = 0

    asked by Jay on February 17, 2011
  62. maths(algebra)

    can u plz solve ma algebric equation: 3x-4/2=3(x-3)-2 i shall be very thankful to you

    asked by qasim on February 17, 2011
  63. Math

    An equation of the line whose slope is 3 and whose y-intercept is 8 is ___?

    asked by Tyrone on February 19, 2008
  64. math

    given the linear equation y = -2/3x -2. find y coordinates of the points (-9) (-3) and (6)

    asked by candie on February 16, 2011
  65. Geometry

    What is the equation of the circle with center (-4,-3) that passes through the point (6,2)? (x-4)2+(y-2)2=9 (x-3)2+(y+2)2=9 (x-3)2+(y+2)2=3 (x+3)2+(y-2)2=3

    asked by JCancer on May 16, 2016
  66. Algebra

    What is an equation of the line that is parallel to y= 3x + 1 and passes through the point (2,6) Is it Y=3x + 6

    asked by Keishia on February 19, 2008
  67. MATH

    find the equation of the line that passes through the points (0,3) and (-3,7).

    asked by Amanda on May 11, 2009
  68. pre algebra

    solve equation.. i continually keep getting this problem wrong x/3=x/5-2

    asked by jerson on November 15, 2009
  69. geometry

    solve for x. 8x/10x-2 = 5x+3/7x i don't know how to get the x squares out of the equation!

    asked by dccs on February 15, 2011
  70. Solid mensuration

    Find an equation of the circle tangent to x + y = 3 at (2,1) and with center on 3x - 2y - 6 = 0

    asked by Jane on January 30, 2012
  71. Math, Algebra

    81^3(x+1)=9^2(x-1) Solve this equation by expressing both sides as powers of 3.

    asked by Anonymous on May 12, 2016
  72. Math, Algebra

    81^3(x+1) = 9^2(x-1) Solve this equation by expressing both sides as powers of 9.

    asked by Anonymous on May 12, 2016
  73. Math, Algebra

    81^3(x+1)=9^2(x-1) Solve this equation by expressing both sides as powers of 3.

    asked by Anonymous on May 12, 2016
  74. Calculus

    An equation of the line with slope -1 that passes through the point (2,5) is y=-x+7

    asked by Ryan on April 24, 2016
  75. college

    First write the value that makes the denominator zero then solve the equation x-8/2x+5=x+6/x

    asked by Cherry on November 11, 2009
  76. Math

    by completing the​ square, what value should you add to each side of the​ equation? x^2- 7x=5

    asked by Kelly on April 24, 2016
  77. Math

    What is an equation of the line that passes through the points (3,-3) and (-3,-3)? how do you figure this out: a. y=3 b. x=-3 c. y=-3 d. x=y

    asked by Angie on May 16, 2009
  78. NH4NO3 explosive?

    How is NH4NO3 explosive? Please explain with chemical equation. Thank you so much!

    asked by Drew on October 6, 2014
  79. Quadratic equations still

    If you are looking at a graph of a quadrtic equation, how do you determine where the solutions are?

    asked by Marysvoice on February 16, 2008
  80. Calculus

    Find the equation of the tangent line to the curve 2e^(xy) = x + y at (0,2)

    asked by Matt on May 14, 2009
  81. Pre-Algebra

    Can someone show me how to turn this into an equation? I mean like 'y=x-z' -2x+ y > or equal to 2 Did I say what I needed to get right? -MC

    asked by mysterychicken on May 14, 2009
  82. Algebra

    Write the equation in standard form. (2,8) m=9 What are the steps to do this?

    asked by Niki on January 25, 2012
  83. algebra 2

    Solve each system of equation by grpahing? 3. y=-3x+6 2y=10x-36 4. y=-x-9 3y=5x+5

    asked by anonymous on September 27, 2014
  84. Math(Anyone Please)

    If P(400)=900 Rewrite this Equation in terms of p^-1

    asked by Steve on February 15, 2011
  85. math

    HELP me find the angles from the following equation (4cotx+3)(cotx-1) = 0

    asked by beracah on May 21, 2016
  86. Math(I Truly Need Help Please)

    If P(400)=900 Rewrite this Equation in terms of p^-1

    asked by Steve on February 15, 2011
  87. math

    Write an equation of the line passing through (-5,-14) and (4,0.4) in form of Ax+By= C

    asked by Duran on June 1, 2016
  88. Alg2

    Solve the equation -5e^-x + 9 = 6 I subtracted 9 to both sides and got: -5e^-x= -3 < this is where I'm stuck at.

    asked by Yolie on February 2, 2012
  89. calculus

    Find the equation of the line given that f(x)=10^x and the point A is at x=log10(5).

    asked by caleb on February 2, 2012
  90. algebra

    y varies inversely with x, and y = 10 when x = 2. What is the equation for the inverse variation?

    asked by james on June 3, 2016
  91. science

    What is a balanced chemical equation for the combustion of cooper?

    asked by kuhle ngcezu on June 5, 2016
  92. Calculus

    the equation represents for a recurrence relation, Mt+1= 0.75Mt+2 with Mo=5

    asked by Anonymous on February 8, 2011
  93. Calculus

    Find the equation of the line tangent to the graph of f at (1,1) where f is given by f(x)=2x^3-2x^2+1

    asked by Grace on February 8, 2011
  94. match

    the sum of two times a number and 5 is 11? equation form.

    asked by jay on February 8, 2011
  95. Science

    What is the equation of the street line that passes through the points 1 and -4 and 3 and 2

    asked by Anonymous on June 7, 2016
  96. Alg 2

    Solve the equation. Check for extraneous solutions. ln x + ln(x-2) = 1

    asked by Yolie on February 2, 2012
  97. Algebra

    How do I solve this equation? 1+1/x over x over 1/x-1 By the way this is a Complex Rational Expression.

    asked by Anonymous on May 31, 2016
  98. Science

    __ NH4NO3 (s) --> __ NH2 (g) + __ HNO3 (l) Please balance equation!

    asked by Ronaldo on February 10, 2011
  99. Math

    Solve the equation e^x-10=10. Do I have to change it to log form? What do I do after that?

    asked by Cheezel on May 30, 2016
  100. math

    given the linear equation y = -2/3x -2. find y coordinates of the points (-9) (-3) and (6)

    asked by shantrese on February 14, 2011

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