1. Physics

    a ball of mass 0.2 kg, initially at rest, is kicked directly toward a fence from a point 20m away. The velocity of the ball as it leaves the kicker's foot is 20m/s at angle of 40º above the horizontal ground. The top of the fence is 4m high. THe kicker's

    asked by puff puff on September 17, 2006
  2. physics (please help)

    Let f be the frequency, v wav the speed, and T the period of a sinusoidal traveling wave. The correct relationship is: a)f=1/T b)f=vwav + T c)f=vwavT d)f=vwav/T e)f=T/vwav My thoughts: Since frequency is equal to T=1/f so f=1/T. Vwav is connected to f by

    asked by susan on February 13, 2007
  3. chemistry

    I am trying to answer a bunch of lab questions about a lab I did and am stuck on finding the morality of the diluted vinegar solution? Can anyone help me? (I hope I gave enough info) Here where the lab procedures that I already went through: Transfer 10mls

    asked by Gweedo8 on June 12, 2009
  4. MOLARITY QUESTION

    I am trying to answer a bunch of lab questions about a lab I did and am stuck on finding the morality of the diluted vinegar solution? Can anyone help me? (I hope I gave enough info) Here where the lab procedures that I already went through: Transfer 10mls

    asked by Gweedo8 on June 12, 2009
  5. math

    how would you make an equation for a decreasing linear relation?

    asked by natalia on September 17, 2007
  6. Math

    Solve each equation for 0

    asked by Miu Lily on April 25, 2015
  7. algebra

    Tanslate this sentence into an equation. " 48 is 4/9 of Malik's height"

    asked by cassie on February 19, 2012
  8. Chemistry

    What are the Six possible ratios for the equation for the formation of potassium chloride?

    asked by Jerry on April 21, 2013
  9. Math

    4x-3y=33 x=-4y-25 Please help me solve this system of equation and show your work thanks.

    asked by Katy on February 27, 2012
  10. math

    solve the equation and please show the work. sqrt x+2-5=0

    asked by candace on December 11, 2009
  11. math

    solve the equation,(112 - 38) x 14 divided by 7 + 142

    asked by kiki on February 19, 2012
  12. calculus

    Find the equation of the curve for which y'=3x² and which passes through (1,-1).

    asked by justin on August 6, 2015
  13. Math

    1. What is the solution of the matrix equation? |9 4| |-9 -6| | | X =| | |2 1| |-1 -8| A.) |5 -26| |9 -60| B.) |-5 26| |-1 -8| C.) |-5 26| |9 -60| D.) |9 26| |9 1| I think the Answer is B. But I am unsure. Thanks.

    asked by Cassie on April 9, 2014
  14. AP PHYSICS >>>please help

    HOW WOULD YOU integrate this equation between zero and pi/2 1/(1+(tan^2008)xdx

    asked by BOBBY on October 25, 2007
  15. eua high school

    How can i calculate the surface area of a graph with the equation y=2x^2-8

    asked by ūiūķ on August 11, 2015
  16. Math

    4x-3y=33 x=-4y-25 Please help me solve this system of equation and show your work thanks.

    asked by Katy on February 27, 2012
  17. Math

    Solve each equation for 0

    asked by Lily Chang on April 26, 2015
  18. Math

    if g(x) varies exponentially with x, and g(0) =37 and g(7) =5940 find the particular equation...

    asked by Billy on February 19, 2012
  19. College Algebra

    Determine the x- and y-intercepts of the given equation. Show your work y = x + 4

    asked by Ashley on January 28, 2010
  20. Science

    The equation is HCl+Na OH-NaCl+H2O (water)

    asked by Shauna on October 18, 2007
  21. College Algebra

    Determine the x- and y-intercepts (if any) of the given equation. Show your work. y = - 4x + 6

    asked by Ashley on January 28, 2010
  22. chemistry

    is there a chemical equation for gadolinium medium contrast?

    asked by Heather--Please help on April 22, 2013
  23. Math

    How many values of x satisfy the equation: sin⁡x=x^2/(625π^2 )?

    asked by Alexa on July 30, 2015
  24. Chemistry

    What are the Six possible ratios for the equation for the formation of potassium chloride?

    asked by Jerry on April 21, 2013
  25. algebra

    solve the following simultaneous equation algebraically,for a and b 8a+5b=23 12a+3b=12

    asked by walter on October 23, 2007
  26. Math

    Find all solutions to the equation. Cos^2(x)+2cos(x)+1=0

    asked by Romeo on April 10, 2014
  27. Chemistry

    What is the balanced equation of the complete combustion of 2-methylpropane?

    asked by Chioma on October 28, 2010
  28. college algebra

    graphing a hyperbola. -4x^2+9y^2+8x+72y-4=0 - just need help setting it up into an equation

    asked by Carlee on June 28, 2011
  29. Algebra

    Which linear system of equation does the matrix represent [2 -3=10] [5 6=-12] is it {2x + 5y =10 {5x + 6y =-12

    asked by bowershe on December 10, 2013
  30. MATHEMATICS

    HOW TO SOLVE THIS EQUATION: 0.2*Z + LOG(10.2*Z)= 3.512 THANKS IN ADVANCE

    asked by NICK on October 29, 2010
  31. math

    Solve each equation for 0

    asked by Miu on April 25, 2015
  32. math

    Solve each equation for 0

    asked by Gina on April 25, 2015
  33. math

    How to factor this equation? 4x^3yz^4 12x^2y^2z-2x^2yz

    asked by Wajeeha on November 9, 2010
  34. math

    Solve the equation. (Find only the real solutions.) (2x)/(x+1) = (2x-1)/(x)

    asked by Carol on January 19, 2014
  35. Math

    Can someone tell me what it means to solve the system of a linear equation?

    asked by Marinda on September 15, 2007
  36. precalculus

    covert the rectangular equation to polar form x2+(y+2)2=4

    asked by joe on May 20, 2011
  37. Math

    Solve each equation by using the properties of equality. Check. 4x – 18 = 65

    asked by candy on July 7, 2011
  38. algrebra 2

    can someone please help me im stumped on these two. use analytical methods to solve the equation. 1+(1/x)=(42/x²) (7/x-4)=1+(9/x+4)

    asked by tom on July 8, 2011
  39. math

    Using the discriminant, how many real number solutions does this equation have? 3x^2 – 2 = 5x

    asked by red on May 18, 2017
  40. Math

    which table of values satisfies the equation shown below? y=x+4

    asked by HAPPY on May 20, 2017
  41. Algebra

    What is the equation expressions for 12 more than a number b? I said 12x + b I Need help ASAP!

    asked by Kenzie on August 26, 2015
  42. maths

    show clearly that 4 3 ---=8 2 solve the equation 5x2+14x-24=0

    asked by maria on May 31, 2012
  43. Basic Algebra

    solve the equation & check your solution: 2/5x-9/25x=5

    asked by Catherine on July 9, 2011
  44. algebra

    how do i solve the quadratic equation of 9-91+5 please help me i'm stuck with this problem.

    asked by tiffani on May 2, 2012
  45. mat 172

    solve the equation: arccosx+arccos2x=arccos1/2

    asked by ami on March 30, 2010
  46. math

    Translate three more than the product of a number and 4 is 15 in an algebraic equation

    asked by destiny on May 20, 2011
  47. algebra 2

    find all the zeros of this equation 4x^4 + 4x^3 - 11x^2 -12x -3 = g(x)

    asked by jinie on April 16, 2013
  48. trig

    in this right trianlge ABC, m

    asked by Beth on February 28, 2012
  49. math

    f"(x)=2, f'(2)=5, f(2)=10. solve this differential equation by finding the particular solution. How do you do this?

    asked by Ed on December 1, 2009
  50. math

    how to solve a quadratic equation in one variable ? plsss

    asked by nina on October 6, 2012
  51. math

    what does it mean when you are solving an equation, and, the variable that you are trying to solve for cancels itself out?

    asked by kim on October 26, 2007
  52. chem

    I the following a correct balanced equation from a decomposition of H2O2? H 2 o 2 --> h 2 o + o 2 Thanks!

    asked by Azz on April 23, 2015
  53. Chemistry

    what is the balanced equation for Sodium Hydroxide and Water

    asked by Patrick on March 30, 2017
  54. Chemistry

    What is the equation for the reaction of potassium soap with HCL?

    asked by Ashley on April 18, 2013
  55. 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
  56. PAP Chemistry

    Net Ionic Equation of : NaOH(aq) + CaBr2(aq)

    asked by June on May 22, 2011
  57. PHYSICS

    How do I determine final velocity in the equation Vf^2=Vi^2 + 2ad ?

    asked by Adam - Working on Physics As Well-Right Now on May 8, 2014
  58. Algebra

    Solve the following equation. 16x-8square roots of x = 35

    asked by Vicki on April 22, 2015
  59. Algebra

    (3 x 8)-2 + (3+6)=17, I need a word problem to match the equation and am stumped, could you please help

    asked by Dakota on February 2, 2010
  60. algebra, help please

    (3 x 8)-2 + (3+6)=17, I need a word problem to match the equation and am stumped, could you please help

    asked by Dakota on February 2, 2010
  61. pre-algebra

    Find the x- and y- intercepts for the equation. -x+2y=4 Please show all of your work.

    asked by cody on June 20, 2011
  62. Math

    Solve each quadratic equation by completing the square. x^2-6x+2=0

    asked by kevin Chen on November 3, 2010
  63. Math

    3x+3y=15 3x-6y=-12 Please help me solve each system of equation and show your work thanks.

    asked by Haylie on February 25, 2012
  64. Math

    4x+y=-17 -3x+y=4 Please help me solve each system of equation and show your work.

    asked by Hannah on February 25, 2012
  65. math

    can someone elxplai to me how to solve this differential equation. dy/dx= (x^2+3y^2)/2xy

    asked by Anonymous on June 18, 2015
  66. Math

    Find the solutions of the equation. 2sinx+cosx=0

    asked by Lilliana on May 2, 2017
  67. Math

    y=3x-1 y=-2x+9 Please help me solve this system of equation and show your work thanks

    asked by Haylie on February 25, 2012
  68. Math

    Explain,in words,how would you solve: 3(n-8)=12+2n {this is a two step equation}

    asked by Louis Streeter on November 1, 2010
  69. maths

    solve the following quadratic equation. 8s2+14s+=14

    asked by ikechukwu on June 4, 2015
  70. Trigonometry

    nature of roots of the quadiratic equation 3X2 - 4x+ 5= 0

    asked by MIke A on June 4, 2011
  71. equation of exp function

    What equation has the following features: It has the x-axis as an asymptote and it passes through (0, -1), (-1,-3) and (-2,-9)?

    asked by Ali on November 1, 2010
  72. Math

    DETERMINE the equation of the circle that has the following three points on its circumference: A(1,5), B(3,7) and C(5,5).

    asked by kyle on January 15, 2011
  73. MATH

    √5sec²x-2secx=5 i have to solve this equation on the interval [0, 2π).

    asked by Katie on February 22, 2012
  74. algebra

    Find the equation of the circle for which a diameter has endpoints P1(-1, 4) and P2(-5, 2).

    asked by KMILLhelp on April 21, 2014
  75. Calculus

    Solve the following differential equation with initial conditions: y"=e^(-2t) + 10^(4t); y(0)=1, y'(0) = 0

    asked by Pax on May 15, 2015
  76. math

    Find the unknown value in the following equation: y ÷ 10 = 6 A. 6 B. 60 C. 600 D. 6,000

    asked by math on February 25, 2012
  77. Math - Solving Logarithms equation

    Solve the equation below. Please show all of your work. Log3((x/2)-9) = 4

    asked by CheezyReezy on June 6, 2011
  78. Calculus

    Find an equation for the tangent and normal to the curve x^2 + y^2 = 9 at x=1

    asked by Matt on October 4, 2007
  79. Math/Conics

    Find the vertex and focus of the parabola with the following equation: y = x2 + 6x + 5

    asked by tori on February 23, 2012
  80. math

    Translate the following statement into an equation: A number (X) decreased by 4 is 25.

    asked by Tee on May 4, 2013
  81. math

    Solve the trigonometric equation from 0¡ã¡Üx¡Ü360 tan⁡x+¡Ì3=0

    asked by Anonymous on June 4, 2015
  82. geometry

    how to decide whether lines with the given equation are parallel, perpendicular,or neither y=-5x-2 y=5x+2

    asked by terizon on October 3, 2007
  83. Science

    Is CO2+H2O= H2CO3 a balanced equation, How can you tell?

    asked by Nicole on October 3, 2007
  84. algebra

    add equation (5x^8 -5z^4+5z^2+3)+(3z^6+4 z^4-9z) simplify answer to sum

    asked by Ann on May 29, 2015
  85. Math

    A: Solve the following equation: k2 + 4k = 0 A: By factoring B: By using the quadratic formula

    asked by Anna on January 9, 2010
  86. Math

    y=5x-2 6x+3y=15 Please help me solve this system of equation and show your work thanks

    asked by Haylie on February 24, 2012
  87. algebra2

    How many solutions are there to the equation below? 220=2x-12x a.1 b. Infinitely many c.2

    asked by Karla on June 10, 2015
  88. Chemistry

    dose the gasoline react with HCL 28%? if OK, what is its equation? Thanks

    asked by Ramtin on April 27, 2014
  89. Triginometrry

    Solve an equation 8x^3+4x^2-18x-9=0 algebraically for all values of x.

    asked by William on January 1, 2010
  90. Math

    x+y=5 x-y=3 Please help me solve this system of equation and show your work thanks

    asked by Kim on February 24, 2012
  91. Calculus TEST!!!!

    Find an equation for the tangent and normal to the curve x^2+y^2=9 at x=1

    asked by Matt on October 7, 2007
  92. math

    3%of a = 42 Divide both sides of the equation by .03. a/.03 = 42/.03 What answer do you get? poop

    asked by nrm on October 25, 2006
  93. maths

    find series solution of the differential equation y"+3x^2y'-xy=0

    asked by Anonymous on June 25, 2015
  94. Algebra 1

    Use the quadratic formula to find the x value that will solve the equation 2x^2-3x+10=0

    asked by Pat on September 24, 2007
  95. Algebra

    Find the roots of the given equation by completing the square. αx^2 + βx + δ = 0

    asked by omar on February 27, 2012
  96. Physical Science

    In the equation length = t^2 * g/(2PI)^2, what do the symbols ^, *, and / represent?

    asked by Beth on September 23, 2007
  97. mth121

    mth 121(solve the linear equation:2x+3y=3, x-2y=5 and 3x+2y=7.)

    asked by Anonymous on May 3, 2015
  98. MATH

    how to transform 2xdy - y(x+1)dx + 6y^3dx = 0 into a Bernoulli Equation??

    asked by Amber on December 14, 2009
  99. geometry

    find the equation of a circle whose center is at (-2, -5) and radius 4

    asked by dhelp on May 6, 2017
  100. math

    which is the solution for x in terms of the variables in the equation x/y -z = rw a) x=y (z+rw) b) x= z/y (rw) c) x= rw+yz d) x= y+1/2(rwz)

    asked by Anonymous on January 18, 2011

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