1. math

    use integer values of x from-3 to 3 to graph the equation y=2x^2=3 can you tell me the coordinates, then i can graph it, i just dont understand how to get them. thanks.

    asked by NaTasha on April 10, 2017
  2. trig

    solve the equation of the domain 0¡Ü¦È¡Ü2¦Ð 3cos^2theta - 5costheta -1 = 3sin^2theta

    asked by Amanda on April 9, 2012
  3. chemistry

    what is the balanced equation for the reaction of potassium dichromate and potassium hydrogen phthalate?

    asked by rob on January 10, 2013
  4. Maths

    a) P is the point on the curve y= 2x^3 +kx -5 where x= 1 and gradient is -2. Find (i) The value of the constant k (ii) The equation of the normal to the curve at P

    asked by Kelly on May 2, 2019
  5. Algebra

    Linear Equation -8x+4y=-12 Answer book states is y=2x-3 I am not arriving at this answer when I simpify

    asked by G on February 22, 2008
  6. geometry

    The radius of a circle given C (4,-1) and (8,2). What is the equation that defines the circle if its center is at the fourth quadrant?

    asked by dheah on October 31, 2016
  7. math

    Calculate the equation for a line that passes through the points (-2, -1), (4, 8) and (50, p). What is the value of p? Ok for the points -2,-1 and 4,8 i gotten y=3/2x+2 i don't know how to get the 50.p part please help me

    asked by Plz help asap on September 29, 2016
  8. Maths

    Find the equation of the parabola with its axis parallel to x-axis and passing through the points (-2,1),(1,2),(-1,3)

    asked by Angelina on February 14, 2016
  9. gr 12 chemistry

    write an equation for a reaction involving an aldehyde to illustrate a hydrogenation reaction.

    asked by shelly on March 2, 2010
  10. Math

    What if I want a garden with 88 square feet and the length measures 11 feet. Is the equation for this 11wx8=88?

    asked by Gail on February 25, 2016
  11. Math

    Jessica has 9 more nickels than dimes, and the total value of her coins is 1.50. How many nickels does she have. Write the best equation.

    asked by Marcy on January 14, 2014
  12. Chemistry

    How many moles of H2 can be produced from 7.74g SrH2? equation:SrH2 + 2H2O = Sr(OH)2 + 2H2

    asked by Melissa on September 14, 2010
  13. math

    Find an equation of the line that satisfies the given conditions. Through (−7, −12); perpendicular to the line passing through (−4, 0) and (0, −2)

    asked by alex on September 7, 2014
  14. geometry

    The measures of the angles in a quadrilateral are represented by x, 2x, 3x, and 3x. Write an equation that would allow you to solve for the value of x. Solve for the value of x

    asked by Anonymous on January 18, 2011
  15. trig

    Verify the equation is an identitiy: cot(x)tan(x+pi) - sin(pi-x)cos((pi/2)-x) = cos^2x Thanks

    asked by Chris on April 27, 2011
  16. Math

    What unknown number makes these equation true. 447+99 =447+100-

    asked by Alyssa on October 5, 2016
  17. Last question, I swear! Math!

    Write an equation or inequality. 1. The difference of 73 and a number x is 17 .. How would I write one for this? I really don't understand.

    asked by Not putting it on September 15, 2010
  18. chemistry

    In the electrolytic refining of copper, write equation for the reaction of the impure copper.

    asked by Shane on September 6, 2014
  19. math

    Solve the equation 8 cos^2 X -2 =0 given that 180< or equal to X

    asked by lindsay on May 18, 2013
  20. chemistry

    i need a molecular, ionic and net ionic equation for this : K_3 PO_4 + BaCl_2

    asked by jhong on March 23, 2012
  21. math

    Write the equation of the line that has the following Contains point (3,6) and is perpendicular to y = 2x + 4 --------------------------------------------------- I got that the slope was -1/2 but is the y-intercept really 15/2? can you even have this as a

    asked by David on October 14, 2017
  22. math

    If it says: "five less than three times a number is 20 More than half a number" would the equation be 3n-5=n/2+20? If so what would the answer be? Please help this is a bit confusing!

    asked by jeffery on January 6, 2014
  23. Chemistry

    I don't understand this one at all. Please help! For the equation: MnO2 (s) + 2 CO (g) → Mn (s) + 2 CO2 (g) 1. Calculate ΔG° at 25°C 2. Calculate ΔG° at 125°C

    asked by Kate on April 7, 2015
  24. Math

    If h is hours and n is the number of radios remaining, complete the equation: n= ____ x h = ____

    asked by Dee on January 20, 2016
  25. graphing

    given one point on the graph (-2/3,(2,5) and the slope, m=-3, develop an equation in te slope intercept format

    asked by Pat on November 13, 2010
  26. geometry

    how can the slope formula help you remember the equation for the point-slope form of a line?

    asked by nikki on January 20, 2011
  27. Math

    Hello. If I have the following table: Time(x) 18 27 72 81 Distance (y) 8 12 32 36 How would I create an equation relating the variables in the table? y= Please help. I have never done this before?

    asked by Patrick on September 19, 2018
  28. college alg

    find the equation of a line that is perpendicular to line y=1/6x+6 and contains point (-7,0) y=? please show work so i can see how its done

    asked by alli on September 4, 2012
  29. Math

    when doing inequality word problems does it matter what the order is to go in the equation. For example least to greatest or greatest to least?

    asked by Anonymous on January 13, 2014
  30. algerbra

    Using point-slope form, write the equation of the line that passes through (2, –1) and has a slope of –5.

    asked by desire on October 18, 2012
  31. Algebra 2 Mannn

    9x^2-y^2-72x+8y+119. how do i change this equation from general form to standard form.

    asked by Miley on June 9, 2008
  32. chem

    Calculate [H3O+] for each of the following solutions. a)pH = 8.59 i got 3.00e-9 but it said it was wrong. what am i doing wrong. im using the equation 10-ph = [H30+]

    asked by Beth on April 6, 2011
  33. Math

    Write an equation for the line in slope intercept form Slope:-2 passing through (-2,8)

    asked by Lana on October 1, 2014
  34. math

    Find the variation equation for the variation statement. z varies directly as x and inversely as y; z = 3 when x = 24 and y = 40

    asked by Anonymous on March 20, 2010
  35. math

    Find the equation of a line that is perpendicular to the line y=1/8x+5 and contains the points (-7,0) y= please show work

    asked by caylan on January 6, 2013
  36. Math

    Write an equation of the line that is perpendicular to the line y=2x-1 and passes throgh the point (0,-3)

    asked by Erin on May 22, 2011
  37. critique reasoning

    Alex decides that 21 divided by 3=7 is NOT a true equation. Is Alex correct? Explain

    asked by Terry on March 4, 2015
  38. 9th grade

    the line containing the points x=5+2t and y=-3+t. write the slope-intercept form of the equation of the line

    asked by jane casina on September 25, 2010
  39. Algebra(please help ASAP!)

    This is a little difficult... Graph the Function y=3 less than the absolute value of x+2 Obviously you cannot show me this on a graph, but I just need help with solving the equation... Thanks!!!

    asked by Jackie on November 11, 2015
  40. algebra

    Can you help me find the solutions of the equation x^2 + 30x=1000...help me solve it step by step..

    asked by Robbie on May 27, 2009
  41. Geometry!

    "The measure of an angle is 6 more than 3 times the measure of its compliment. i know the quation is X+3x+6 but how do i solve that equation?

    asked by Danielle on April 3, 2012
  42. algebra2

    What is the equation of the line passing through (0, 2) and perpendicular to the line y = 4x – 3 in slope-intercept form?

    asked by Rayniya on November 21, 2010
  43. Linear Algebra

    whats the exponential decay equation for 100 atoms that decay 1/20 per day

    asked by Anonymous on January 12, 2012
  44. algebra

    -2x+5y=-15 Find the x- and y-intercepts and graph the equation plotting the intercepts. Please show all of your work.

    asked by mary on July 17, 2011
  45. math

    for every 30 feet you descend in a cave, it gets 4 degrees colder. if you are at 8 degrees, how far have you gone. how do you write the equation?

    asked by Anonymous on April 22, 2013
  46. maths

    solve the following equation by completing square x(square) + 5x - 84 Pls show steps x= or x=

    asked by Jayden Haddy on August 3, 2013
  47. algebra

    Help me with this problem. Write an equation of line containing the given point and perpendicular to the give line (4-2); 9x+2y=3 help me with this.

    asked by Johnnie on March 19, 2009
  48. Geometry

    Write an equation for the line with the given slpe that contains the given point. Graph each line. 1. slope 2,(2,-2)

    asked by Denzel on October 1, 2007
  49. Analytic Geometry

    Find the equation of the circle, with radius 1, tangent to the line 3x+4y=5 and having its center on the line x+2y=0

    asked by xavier on January 31, 2013
  50. Geometry

    The line m has the equarion y= 2x + 1. The line n is perpendicular to m and passes through the point A(2,1). Write an equation of n

    asked by Marina on January 13, 2012
  51. math

    solve in three variables.. I'm very confused if what equation is the first to solve. 13y=10 x+y+z=39 16x+13z

    asked by aldren on January 15, 2011
  52. algebra

    if jessica solved an equation and her answer was o=2 , explain to jessica what her result means

    asked by Anonymous on December 14, 2010
  53. algebra

    which quadratic formula would be used to solve the following quadratic equation? 4x^2 - 5x = -2 can you show me the correct answer and how do it please

    asked by gabriel on June 8, 2010
  54. math

    What is the product of all valid solutions of the fractional equation x/(45-5x)=1/[5(x-1)] I am guessing the answer is -9 because the two solutions would be -3 and 3 but Im not sure.

    asked by anonymous on January 20, 2017
  55. algebra

    The equation f(x) = 4x2 − 16x + 9 represents a parabola. What is the vertex of the parabola? (2, −7) ( −2, 57) (4, 9) ( −4, −137)

    asked by al on April 11, 2016
  56. 8th grade math

    an equation in slope-intercept form of the line ia parallel to the y-axis and has an x-intercept of 3

    asked by Anonymous on December 15, 2008
  57. Math

    Give the equation of the line that passes through point (-5, -1) and is parallel to the line y = - 14x

    asked by Johnnie on November 15, 2009
  58. Math

    -8y = 2x -7 +9y +7= 2x Determine whether each equation represents a direct variation. If it does, find the constant of variation.

    asked by Mike on November 28, 2016
  59. math

    Give the equation of the line that passes through point (-5, -1) and is parallel to the line y = - 14x - 7.

    asked by jeng on November 15, 2009
  60. Algebra 2

    Solve the equation. Round answers to the nearest hundredth. log(7x+1)=log(x-2)+1

    asked by RAD on May 3, 2012
  61. locus

    if a moving point p is always equidistant from the point A(2,4) and the line y=-4, find the equation of the locus of p

    asked by zoe on July 18, 2015
  62. Algebra

    Find the center and radius of the circle. Equation: x^2 + (y+7)^2=4 Formula for center at the origin is x^2+y^2=r^2 Is this what I use and how do I go about this?

    asked by Carrie on April 18, 2010
  63. math

    Write an equation of a line that is perpendicular to the line y=3x-6 and goes through the point (-3,5) plz help me ...and explain how to do

    asked by Anonymous on February 16, 2009
  64. chemistry

    When given qcal (2064 J), how do you calculate delta H (which equation is used)? ex. CaO+ H2O-> Ca(OH)2, what is delta H?

    asked by brenn on November 18, 2014
  65. Math

    Choose any number for p. Determine whether the following equation is true. (2p-3)(p+4)=2p^2-5p-12 I don't think this is true. Am I correct?

    asked by Cherie on November 18, 2014
  66. geometry

    how to write an equation in slope intercept form of the line through point P(8,20 with slope 4?

    asked by chris on May 3, 2012
  67. algebra

    V=1/3*6300*7 solve for V The answer is V=14700 how do you change 1/3 to a decimal or use 1/3 to solve the equation?

    asked by jen on February 14, 2011
  68. Algebra 1A

    Find the slope intercept of equation of the line that has the given characteristics. Slope 3 and y interceot 0,7

    asked by Anonymous on September 10, 2011
  69. Trig

    find all solutions to the equation √3 csc(2theta)=-2 Would the answer be π/6 + 2πn, 5π/6 +2πn or π/6 + πn, 5π/6 +πn? or neither?

    asked by Bob on July 10, 2012
  70. Math

    The following table shows a proportional relationship between w and z. w=18 and z=2. Write an equation to describe the relationship between w and z.

    asked by Maya on February 25, 2018
  71. boolean algebra - PLEASE HELP!!

    simplify the following equation using boolean laws and rules: x=~(A(+)B) + ~(AB)+~((A(+)B)AC)+(~A)C (+) means plus in the circle ~ means not

    asked by Anonymous on February 13, 2019
  72. math

    the tripled product of 6a and b^2. I got 216a^3b^6, but my teacher says that this is wrong. my equation is \(6ab^2)^3 is this wrong?

    asked by Emma on December 16, 2017
  73. Algebra

    For each equarion, write the equivalent equation that expresses y in terms of x (Problem A) 3x+5x-y=5y y= (Problem B) 3x(5-x)= x-y

    asked by Kirby on September 7, 2008
  74. Analytical Geometry

    Find the equation of the circle that passes through the point of intersection of the circles x^2+y^2=2x, x^2+y^2=2y and contains the point (2,1)

    asked by Dan on June 24, 2018
  75. math

    find the two ordered pairs from this equation. y+x=-2 then give the ordered pair of the y intercept?

    asked by KiKi on March 28, 2010
  76. math

    Solve the following equation for theta (θ) over the given domain: √3 sin 2θ = cos 2θ Domain: 0 < θ < 360

    asked by sweetG on July 5, 2008
  77. equation

    what is the equation of calculating 5/90 lottery winning numbers if these numbers were selected for the first week 24-13-6-60-70

    asked by patrick on March 28, 2011
  78. Precalculus

    Solve the equation for the indicated domain. sec(theta+81 degrees)=2 Theta E[0,360)

    asked by Anonymous on November 17, 2013
  79. Chemistry

    N2(g) + O2(g) --> N2O5(g) (a) Consider the unbalanced equation above. What is the maximum mass of N2O5 that can be produced when 43.0 g of N2 and 43.5 g O2 react?

    asked by Jade on February 22, 2012
  80. Math

    I have to solve the equation by finding a common base. 9^(x2-1)= 1/27^x Do i cross multiply and solve for x?

    asked by kim on February 4, 2012
  81. Algebra

    Write the equation of a line that is perpendicular to the given line and that passes through the given point. Y-3=8/3(x+2);(-2,3) I have no clue :,(

    asked by Alexis on December 12, 2015
  82. Algebra 2

    Write in standard form an equation of the line with the given slope through the given point: slope = -4;(2,2)

    asked by Heather on September 9, 2009
  83. chemistry

    Express your answer as a chemical equation. Identify all of the phases in your answer. H3PO + Sr(OH)2=

    asked by joseph on March 10, 2011
  84. Geometry

    Write an equation in slope-intercept form of the line through point P(6, –1) with slope 4. A. y = 4x – 25 B. y + 6 = 4(x – 1) C. y + 1 = 4(x – 6) D. y = 4x – 1 How would I do this?

    asked by Maya^.^ on March 9, 2016
  85. math grade 10

    1.)Determine the x- and y- intercept of each equation. (if u can please show me a step by step answer so i understand it:) a.) 9x=54-6y b.) (x/5)-(y/10)=2

    asked by Nini on February 2, 2009
  86. Calculus

    Find the scalar equation of a plane that is perpendicular to plane r=(-2,1,3)+s(0,1,1)+t(-1,0,3) and also intersects it along the line (x-3)/2=(y+1)/-3,z=1

    asked by Zac on July 29, 2014
  87. Math

    Find an equation of the curve that satisfies the given conditions: (d^2y/dx^2)=6x, the line y=5-3x is tangent to the curve at x=1

    asked by Tim on July 29, 2014
  88. chemistry

    When the following equation is balanced the coefficient of CaO is ... CaO + P4O10 > Ca3(PO4)2

    asked by . on March 10, 2011
  89. Math HELP

    Write the equation of the line (in slop/intercept form) that has a slop of 7 and goes through the point (6,4).

    asked by David on December 13, 2012
  90. math

    determine the equation of each line: a) slope 3.4 passing through point (-2, -4) b) slope -5 and y-intercept -0.7

    asked by jessica on August 18, 2012
  91. 8th grade

    Consider the equation 3x+5y=k, what values could k so that the x-intercept and y- intercept on the equations graph would both be integers. explain.

    asked by Monkeylover:) on November 4, 2010
  92. Math

    How do you find the equation of a line in standard form (ax+by=c where a, b, and c are integers) for the line passing through (1,5) and (-3,1)?

    asked by Anonymous on August 29, 2011
  93. Math

    Determine the equation of the parabola with roots 2+sqrt(3) and 2-sqrt(3), and passing through the point (2,5).

    asked by Emily on August 23, 2010
  94. maths

    solve the following equation for the value of theta between 0 degrees and 360 degrees.For 5 + 3cosec^2theta =8

    asked by njovu on February 27, 2012
  95. Math

    Write an equation in slope intercept form with a y-intercept of 3 and is perpendicular to the given line

    asked by Hannah on November 21, 2013
  96. Calculus

    Find an equation of the tangent line to the curve at the given point. y = sin(sin x), (pi, 0)

    asked by Nyke on November 7, 2011
  97. Math Ms Sue please help me

    select the equation of the line passes through the point (2,6) and is perpendicular to the line x=4. Answers y=4 y=6 x=6 x=2

    asked by jasmine on November 30, 2015
  98. Math

    Translate into an equation use x to represent an unknown number two thirds of a number is negative 28

    asked by Atavia on July 27, 2016
  99. Chemistry

    H2CO3(aq)+Ba(OH)2(aq)→ Express your answer as a chemical equation. Identify all of the phases in your answer

    asked by Prosperity on December 2, 2017
  100. Math - help please

    Write the equation of a line that is perpendicular to the given line and that passes through the given point. y – 3 = (x + 2); (–2, 3) A. Y+3= -3/8(X-2) B.Y-3=-3/8(X+2) C.Y-2=-3/8(X+3) D. Y+3=3/8(X-2) I am not sure how to do this problem...please

    asked by Deborah on November 23, 2012

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