1. Mathmatics

    Show that the equation 3x^2 - x^3 + 3 = 0 can be rearranged to give: x = 3 + 3 ---- x^2 x^3 = Divide by ? = x = 3 + 3 ---- x^2 Using Xn+1 = 3 + 3 with x0 = 3.2 ---- x^2n find the values of x1 x2 and x3? What to the values of x1 x2 and x3 represent? The

    asked by Joe on January 3, 2017
  2. Maths - Reiny

    Show that the equation 3x^2 - x^3 + 3 = 0 can be rearranged to give: x = 3 + 3 ---- x^2 x^3 = Divide by ? = x = 3 + 3 ---- x^2 Using Xn+1 = 3 + 3 with x0 = 3.2 ---- x^2n find the values of x1 x2 and x3? What to the values of x1 x2 and x3 represent? The

    asked by Elle on January 3, 2017
  3. Maths - Cartesian Equations

    Find the corresponding Cartesian equation for each pair of parametric equations: x = t - (1/t) and y = 2*[t + (1/t)] The answer is y^2/16 - x^2/4 = 1 I have no idea where to begin. I tried squaring both equations in hope to easily remove t^2 but ended up

    asked by Jichu on December 27, 2016
  4. Geometry

    Within an orthonormal system consider points A(1,4) B(5,1) C(4,8) (a)Calculate the angle ABC (b)Show that 3x+4y-19=0 is an equation for line L which passes through A and B (c)Find a vector equation for line L (d)(i)give an equation for the circle with the

    asked by Anonymous on May 4, 2008
  5. maths

    Select the option that is the equation y=2x-2 rearranged to make x the subject of the equation. Select one: x=y+1 or x=-y/2+1 or x=-y+1 or x=-y/2-2 or x=y/2=1 or x=y-2 or x=-y-2              

    asked by Marian on February 9, 2011
  6. chemistry

    Methane burns in air to give carbon dioxide and water. Give a chemical equation . Show(State ) how the mixtures of these gases can be separated

    asked by clive on May 5, 2015
  7. Algebra II

    Provide three points on a graph for the equation y = -2/3x + 4. I have the points (0, 4) and (6, 0). Do you have any idea what a 3rd one might be? Ther are an infinite number of possibilities. Just pick any x you like (except for the two you already have)

    asked by Rebecca on July 13, 2007
  8. pre-algebra

    Explain the basic method(steps) for graphing a linear equation. Can you give an example of a linear equation and show me how to graph the equation?

    asked by Sherrie on November 19, 2011
  9. Hyperbolas, comic sections

    So I have this equation: 36x^2-121y^2=49 Which I rearranged to 36x^2/49-121y^2/49=1 So I want to go from here and find the eccentricity,foci,asymptotes etc... But I'm getting myself confused. Since my equation is of the form x^2/a^2-y^2/b^2=1 Both a and b

    asked by Mrbob on December 4, 2016
  10. Chemistry 101

    25 ml tartaric solution is tritrated with 31 ml ammonium equation rearranged for normality of ammonium: starting with N1V1=N2V2 N1= V1= v2= final answer N2=

    asked by Renee on October 15, 2012
  11. physics

    Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next. When you increase your speed by 4.0 mi/h, the time to go one mile decreases by 11 s. What was your original speed? I used the equation V=d/t; I

    asked by micole on May 13, 2007
  12. Math

    Working on a problem and can't figure out how the book rearranged this problem to get the following: 0.76= x/0.0200-x then, the book rearranged to solve for x... x= 0.0200 X 0.76/ 1.76 I don't understand how 1.76 was obtained? I see that you cross multiply

    asked by Linda on February 10, 2013
  13. Physics

    A mass of 0.40 kg is attached to a spring and is set into vibration with a period of 0.15 s. What is the spring constant of the spring? Answer in units of N/m what is the rearranged equation to get for k?

    asked by Anonymous on February 16, 2012
  14. algebra

    solve each literal equation for the indicated variable linear equation for x 2x+3y=6 can some one give me a example and show me how the steps go to solve this problem please Subtract 3y from both sides of the equation, and then divide both sides by 2.

    asked by tom on March 18, 2007
  15. Chemistry

    How is the law of conservation used to balance a chemical equation? In a chemical equation, the products formed have the same atoms as the original reactants; however, the atoms may be rearranged with different subscripts. The law of conservation of mass

    asked by Quinn on November 30, 2018
  16. Chemistry

    At 425°C, a reaction has a rate constant of 7.7 x 10–4 s–1 and has an activation energy of 275 kJ mol–1. What is the frequency factor? The answer is 2.9 x 1017 s–1 , I need help with working out I used arrhenius equation and rearranged for A =

    asked by jessica on June 1, 2016
  17. Pre-Algebra

    Can someone show me how to answer these questions step-by-step? Thanks! Solve the equation for y in terms of x 1.2x + 7= y 2. x- 2/3y= 3 3.-12x + 3y = 48 Give any three ordered pairs that are solutions of the equation 4. -1/4y - x =0 5. 5x - y= -5 -MC

    asked by mysterychicken on May 5, 2009
  18. chemistry

    The combined gas law can be rearranged to solve for T2. In which of the expressions given below has the combined gas law correctly been rearranged to solve for T2?

    asked by Mindy on July 28, 2015
  19. math

    What are the slope and y-intercept of the graph of the following equation? 1/3x=1/2(y+4) So I used slope intercept formula and rearranged it to be 1/2y=-1/3x+2 then I isolated y by multiplying by the reciprocal and got y=-2/3x+4 is that right?? My friend

    asked by sophia on November 3, 2009
  20. algebra 2

    A. I need to write an equation to the linear equation..(-2,-2), (3,3). B. I need to graph the function of y=|x| on a coordinate plane. C. I need to give one similarity and one differnce for the equations and graphs in parts A and B. I really need your help

    asked by logan on January 17, 2008
  21. Physics

    Mere and Ruth investigated the relationship between the applied force, F, and the extension, x of a spring. The results they obtained are shown in the table below. Force F (N) Extension x (M) 0.0 0.0 2.0 0.033 4.0 0.066 6.0 0.099 8.0 0.132 10.0 0.165 state

    asked by Kate on October 17, 2007
  22. Math

    Use the IVT to show that there is a root of the equation 4x^3-6x^2+3x-2=0 between 1 and 2? (please give a full answer with steps)

    asked by Sivakumar on June 9, 2011
  23. Calculus

    dy/dx= (y^2 -1)/x 1. Give the general equation of the curves that satisfy this equation. 2. Show that the straight lines y=1 and y=-1 are also solutions. 3. Do any of the curves you found in 1) intersect y=1? i started by dy/(y^2 -1)= dx/x and found that

    asked by Hebe on November 4, 2006
  24. Math

    Can you show me how to do this and give me the final answer please. need help Find the equation of the line containing the given pair of points. (2,4) and (6,5)

    asked by Anonymous on December 18, 2008
  25. O Chem

    I need help with this question please. Draw the structure of triacylglycerol formed from oleic acid, linoleic acid, and stearic acid. Give balanced equation and show how much hydrogen would be needed to reduce the triacylglycerol completely, show the

    asked by David on October 19, 2010
  26. Algebra2?????

    What would be the missing piece of information given the following information: Find the equation of the line that passes through the points (3, -1) and (2, 5). y = -6x + ? 17 15 20 11 Good. Try this one just like we did the last one...let me know how you

    asked by Margie on October 14, 2006
  27. Maths

    1) Factorise x2 -6x +8 (the 2 is squared) 2) Hence solve this equation: x2 -6x +8 = 0 Also, what would the line look like on a graph with the equation y = 10/x Thankyou =) 1) x^2 - 6x + 8 factors are: (x - 2)(x - 4) -->look for possible factors of 8 and

    asked by Amy on January 8, 2007
  28. physics

    Mere and Ruth investigated the relationship between the applied force, F, and the extension, x of a spring. The results they obtained are shown in the table below. Force, F (N) Extension, x (m) 0.0 0.0 2.0 0.033 4.0 0.066 6.0 0.099 8.0 0.132 10.0 0.165

    asked by Kate on October 17, 2007
  29. how children learn

    Which of the following techniques will help to meet the student’s need for autonomy? A. Give them clear directions B. Show them a model of exactly what they’re to do. C. Give them choices. D. Give them deadlines

    asked by louise on March 22, 2010
  30. Algebra

    Write the equation of the line passing through the given point with the indicated slope. Give your results in slope-intercept form. Point: (0,5) Slope: m=-3/5 Show equation I will be happy to critique your work on this.

    asked by Linda on May 20, 2007
  31. Trig

    h t t p : / / m a t h c e n t r a l . u r e g i n a . c a / Q Q / d a t a b a s e / Q Q . 0 9 . 9 9 / a n g e l a 2 . 2 . g i f give that picture how do I solve for (h) I know that you you From the diagram tan(3.5) = h/(13 + x) and tan(9) = h/x. Solve the

    asked by Trig on August 27, 2009
  32. Algebra 2

    1.What is the vertex from the equation? Y=x^2+12x=4 (Please show your work to show me the steps to get to the right answer.) 2. Use the quadratic formula to solve the equation. x^2-7x-6=0 (Please show your work to show me the steps to get to the right

    asked by Sam on November 27, 2018
  33. SIMULTANEOUS EQUATION

    Solve the equation 5x^2-5x-63=0 by using the "complete the square" method. Give your answer to 2 decimal place. Please show me in clear steps how to get the answers 4.08 and -3.08.

    asked by Cheezel on June 24, 2016
  34. math

    The expression 3x^2-x-9 is rearranged into the form a(x+2)^2+b(x+2)+c. What are the values of a,b,and c?

    asked by Clinton on March 19, 2016
  35. Math

    The ractangle given has a perimeter of 14 units. Find the value(s) of x by factoring a quadriatic equation. x= 12/(x+1) y= 6/ (4-x) If anyone can help me that would be awesome, thanks a bunch. I can only give you an example : for example x2 - x -6 = 0

    asked by Shay on January 17, 2007
  36. Algebra II

    In an induction proof of the statement 4+7+10+...+(3n-1)=n(3n+5)/2 the first step is to show that the statement is true for some integers n. Note:3(1)+1=1[3(1)+5]/2 is true. Select the steps required to complete the proof. A)Show that the statement is true

    asked by Jon on December 15, 2007
  37. Math - Equation of Lines

    Determine whether the following pairs of planes are coincident, parallel and distinct or neither. a) x + 3y - z - 2 = 0 and 2x + 6y - 2z - 8 = 0 TEXTBOOK ANSWER: parallel and distinct Can someone show me how to find the vector equation or parametric

    asked by Anonymous on March 25, 2008
  38. Mat/117 DQ1

    How do you know if a quadratic equation will have one, two, or no solutions?Please give examples. How do you find a quadratic equation if you are only given the solution? Please give an example.Is it possible to have different quadratic equations with the

    asked by Rose on February 27, 2012
  39. physics

    Would someone check my thinking please. A solid sphere (mass, r, and moment of inertia given) is rotating at a given angular speed. Friction is constantly applied at the 'equator' of the sphere, and brings it to rest in 3s. Find the force. I worked out the

    asked by charlie on June 15, 2009
  40. chemistry

    how do I write a balanced equation showing aqueous hydrogen carbonate, to give liquid water and carbon dioxide gas H2O(l) + CO2(g) ==>H2CO3(aq) to show the formation of dihydrogen carbonate (carbonic acid). To show the decomposition of H2CO3. H2CO3(aq) ==>

    asked by Anonymous on January 5, 2007
  41. Math

    Can someone please check this for mistakes please? y=4(x+3)-2x y=4x+3-2x y=2x+3 2x+3=y 2x=y-3 x=y/2-3 Hopefully I have rearranged the formula y=4(x+3)-2x to express x in terms of y.

    asked by Ann on July 7, 2010
  42. Math (Calc)

    Find all solutions to the following equation on the interval 0

    asked by Bryan on December 9, 2007
  43. math

    Let the sets S = {(n, m) ∈ N × N: n + m = 10} and π1 (S) = {n: there exists m ∈ N such that (n, m) ∈ S}. (Note that π1 (S) ⊆ N.) (a) Show that 8 ∈ π1 (S) and give an example of an element x such that x ∈ N ∖ π1 (S). (b) Show that π1 (S)

    asked by eric on September 5, 2018
  44. Math

    Let the sets S = {(n, m) ∈ N × N: n + m = 10} and π1 (S) = {n: there exists m ∈ N such that (n, m) ∈ S}. (Note that π1 (S) ⊆ N.) (a) Show that 8 ∈ π1 (S) and give an example of an element x such that x ∈ N ∖ π1 (S). (b) Show that π1 (S)

    asked by Michelle on September 5, 2018
  45. chemistry

    Can someone please check my work on this problem? That'd be great!: What is the balanced equation for the chemical change of adding Na2CO3 to CuCl2, therefore making CuCO3 form? CuCl2+Na2CO3-->CuCO3+2NaCl right thank you fill in the blanks! Nuclear

    asked by Fidelia on March 6, 2007
  46. Algebra II

    Two algebra II questions... simple, i believe? give a numerical example to show that subtraction is not commutative. and give a numerical example to show that subtraction is not associative. thanks(:

    asked by Brian on August 18, 2010
  47. Calculus-check my answers please

    dy/dx= (y^2 -1)/x 1. Give the general equation of the curves that satisfy this equation. 2. Show that the straight lines y=1 and y=-1 are also solutions 3. Do any of the curves you found in 1) intersect y=1? My Ans: 1. The general solution i found out to

    asked by Hebe on November 7, 2006
  48. Algebra

    Write the equation of the line passing through the given point with the indicated slope. Give your results in slope-intercept form. Point: (0,5) Slope:m=3/5. Show work Well, youknow the form is y= mx+b you are given m. You are given a point (0,5) Put that

    asked by Linda on May 20, 2007
  49. calculus

    determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false a) the function f(x)=3/2 +cx^-2 is a solution of the differential equation xy'+2y=3 b) the differential

    asked by jhony on April 10, 2012
  50. Chemistry

    I don't get how to fill in the blanks Show the products for cellular respiration by completing the following chemical reaction equation. Give the correct formula for oxygen as well Glucose+_________ ---> ________+______+___________

    asked by Steve on May 16, 2007
  51. chemistry

    for our lab, we are given the molarity of ClO-. We are then supposed to use beer's law to determine the molarity of the dye that was used to make the solution with. For the dye, use the first absorbance value, Ao, and calculate the initial concentration of

    asked by Anonymouse one on February 21, 2011
  52. Maths

    Hi, need a bit of help on this one. A straight line passes through the points (4,3) and (10,0), I need to write down the equation of the line in the form y=mx+c, I have tried but I cant seem to get the second coordinates to satisfy the equation. Here is

    asked by Del on July 9, 2010
  53. math

    find the slope and y-intercept of the graph of the equation. explain each step and how you got it. 12x + 4y= 24 -first you move the 12x to the other side of the equation to isolate the 4y -Divide the whole equation by 4 to give a single y -this gives you

    asked by dyanna on November 21, 2006
  54. solution of an equation

    can someone please give me an example of a solution of an equation An equation is a statment with the equal sign = in it. If we have y=2x+3 and we're asked to find x when y=7 then we would have to solve 7=2x+3 The solution of that equation is x=2. Was

    asked by alejandra on September 28, 2006
  55. Math-Ms. Sue

    Ms. Sue could you please show me how slove this equation. Could you show me how to solve it like this: for ex.: x-15 = -8 +15 +15 x = 7 I need help with this equation: -10=W-32+6

    asked by Sara on February 2, 2010
  56. phys urgent!

    A particle leaves the origin with a speed of 2.4 times 10^6 m/s at 38 degrees to the positive x axis. It moves in a uniform electric field directed along positive y axis. Find Ey such that the particle will cross the x axis at x = 1.5 cm if the particle is

    asked by kenzie on September 2, 2014
  57. Help:)

    Can someone help me with this? Someone was helping, but I'm still confused! Amos gets in an elevator at the 30th floor and begins to move downward at a speed of 8 feet per second. After 12 seconds, the elevator is 240 feet above the ground. A.) Let y= the

    asked by Pebbles on November 19, 2013
  58. chemistry

    When a mixture of two black powders is heated, it gave off a gas which turned lime water milky Give a chemical equation to show the reaction between gas and lime water Red scales residue can be seen on the black residue. Name the red scales The red scale

    asked by saurav on March 17, 2015
  59. college alg

    find the equation of a line that is parallel to the line x=6 and contains the point (-8,9) please show work, it also wants me to show the answer in an equation

    asked by alli on September 4, 2012
  60. Thanks TRISH

    thanks...even though you didn't help me with that you still helped me.. You're welcome. Like BobPursley told you, I just can't give you the answer. Not only is it not what this site is for, you would never learn anything, and like he mentions, it is

    asked by Margie on February 6, 2007
  61. Maths

    A polynomial g(x) is given by: g(x) = (x-1)(x+2)(x-a)(x-b) 1) Given that g(0)=4 show that ab=-2 2) given also that g(3)=40 show that a+b=1 3) given that a and b are integers, give possible values for a and b. Thank you

    asked by Anonymous on October 14, 2015
  62. alGEBRA 2 help please would appreciate

    for the equation -4x-8y^2=0,give the focus and directrix.then sketch the graph, showing both the focus and the directrix. please show all the step thank you.

    asked by lisa on October 30, 2013
  63. ALGEBRA 2 help please would appreciate

    for the equation -4x-8y^2=0,give the focus and directrix.then sketch the graph, showing both the focus and the directrix. please show all the step thank you.

    asked by lisa on October 30, 2013
  64. math

    4. From your equation, find the European equivalent for U. S. size 8. equation~ m = (y2 – y1) / (x2 – x1) m = (39-34) / (5-3) m = 5/2 b=26.5 Equation = y=5/2x+26.5 Can someone please help me answer this? I have a graph if you need it... ps thank you

    asked by Abby on November 3, 2015
  65. math

    Please help i really need an A and i'm horrible at math ): 1. solve the following equation algebraically, show your work 6 = x+2 over 3 2.solve the following equation algebraically, show your work 13 + w over 7 = - 18 3. solve the following equation

    asked by hush my child on September 20, 2018
  66. College Physics

    If you square the equation v=v0 + at, you'll have an expression for v2. Equate the two expressions for v2, and show that the resulting equation reduces to the equation x= x0+v0t + 1/2at2.

    asked by Whitney on January 30, 2012
  67. Algebra: please check

    Find the equation of a line that passes through the point (1,2) and has a slope of 1/3. Show how you found the equation. Would the equation be: y-2=1/3(x-1) Do I need to finish this? I am not sure how.

    asked by bart on June 8, 2010
  68. algebra

    Solve the equation and write down the property you use at each step to simplify the equation. Consider the equation: 4x + 11 = (5x + 34)/2. Be sure to show your work.. Thank You Jiskha..!! :)

    asked by Twanisha on February 16, 2012
  69. ordinary differential equation

    consider the differential equation d^3x/dt^3 - 9(d^2x/dt^2)+ 27(dx/dt) -27x = c0s t +sin t + te^(3t) a) show that characteristic equation of the differential equation is (m-3)^3 =0 (b) Hence, find the general solution of the equation.

    asked by thigan on May 21, 2016
  70. Math

    In this problem we consider drawing some straight lines which form a nice pattern. Consider joining the point (0.1,0) to the point (0,0.9) by a line segment; then joining (0.2,0) to (0,0.8) by a line segment; and so on. In general, consider joining the

    asked by Alex on April 21, 2015
  71. Math

    Consider the equation x^2 + 20 = 12x A) draw geometric diagram representing this equation. B) Show how to complete the square geometrically. C) Solve the equation.

    asked by John on April 10, 2008
  72. Math

    Could someone please help me. Solve the linear equation by substitution. Y=10-2.2x 5x+y=70 For the first equation I am getting x=21.4 and for the second equation I am getting y=-37. The answers are 21 3/7 and -37 1/7. Could you show me how you do this so I

    asked by Cherie on January 4, 2015
  73. Physics

    Mission Impossible: Special agent Ethan Hunt tries to escape an assassin by jumping horizontally off a flat roof. His goal is to reach a window, two stories or 5.15 m down, on the building across the alley. Ignore air resistance. If the alley is 11.9 m

    asked by Anonymous on February 18, 2014
  74. math

    1)Find the third iterate x3 of f(x)=x2-4 for an initial value of x0=2 A)-4 B)4 C)12 D)-12 I chose C 2)Use Pascal's triangle to expand:(w-x)5 This ones long so I chose w5-5w4x+10w3x3-10w2x4+5wx4-x5 3)Use the binomial Theorem to find the third term in the

    asked by Jon on December 13, 2007
  75. Algebra

    What is 2x=7? Is it a standard form, or slope-intercept form, or not a linear equation? Can you explain what a standard form and a slope-intercept form is PLEASE!? The standard form for a straight line is y=mx+b where m is the slope and b is the y

    asked by Anita on December 11, 2006
  76. algebra

    0. Tell your classmates about your pet to set up the scenario for fencing a rectangle in your yard. 1. You MUST start by choosing an amount of area that you want to fence in for your pet and this MUST be stated first. What amount of area are you enclosing

    asked by jim on February 14, 2012
  77. maths

    3. Suppose that a particle moves in a plane with trajectory given by the polar equation r=2bsintheta for some constant b > 0.Show that this can be written in Cartesian coordinates as,x^2 + (y-b)^2 = b^2;This is the equation for a circle of centre (0; b)

    asked by gemma on February 20, 2013
  78. Algebra

    an arrow is shot straight up from a cliff 58.8 meters above the ground with an initial velocity of 49 meters per second a. write an equation that represents this situation b. Transform the equation to the format that can most easily be used to find the

    asked by Jabari on March 19, 2017
  79. Trig (math)

    1.) Find all solutions of the equation. Leave answers in trigonometric form. x^2 + 1 - sqrt3i = 0 2.) Give the rectangular coordinates for the point. (9, 2pi/3) 3.) The rectangular coordinates of a point are given. Express the point in polar coordinates

    asked by Anonymous on December 8, 2014
  80. college algebra

    What is the answers and break down of them, Typing hint: Type x 2 as x^2 (shift 6 on the keyboard will give ^) 1) Solve the following quadratic equation by factoring: a) 7 010 2 xx =++ Answers: Show your work here: b) Solve the quadratic equation using the

    asked by jim on February 14, 2012
  81. Math

    I posted this question earlier: a.) Maddie works at a desighner store. She earns $1925 per month plus 10% commission of her sales. Write an equation to show how much she makes b.) one month she earned $2725. Use your equation to show what her sales were

    asked by Olly on May 11, 2013
  82. math

    Use Euclid’s algorithm and backwards substitution to determine the multiplicative inverse of 27 in Z40 . I've worked out; 40 = 1*27 + 13 27 = 2*13 + 1 Then rearranged to make the remainders the subject. 1 = 27-2*13 1 = 2(40-1*27) Bit confused where to go

    asked by s17 on November 4, 2018
  83. Physics ideal gases

    Would someone check my thinking please. PVT of an ideal gas (nitrogen) are all given. I've used PV=nRT rearranged to get the number of moles. Then, U= 3/2nRT to get the internal energy of the sample. Am I on the right track? Thanks.

    asked by charlie on January 2, 2009
  84. Physics

    I need to calculate the closest two parallel plates can get before they spark I have the voltage, and will use E=V/dist (rearranged) to get the distance. I THINK the field strength value I should use is 3x10^-6 Vm^-1. No other info is given in the

    asked by charlie on February 7, 2009
  85. Algebra

    Here are two more problems I have for homework tonight. I have gotten answers, but I used "guess-and-check" and could not find an equation like I am supposed to. If you answer, please tell me if my answer is correct, walk me through your way of solving it,

    asked by Celina on October 29, 2008
  86. Math 1 question

    a.) Maddie works at a desighner store. She earns $1925 per month plus 10% commission of her sales. Write an equation to show how much she makes b.) one month she earned $2725. Use your equation to show what her sales were that month Please help, thanks :)

    asked by Olly on May 11, 2013
  87. Physics

    I just need to know how to start this equation because it makes no sense The position of a particle is given by r = (6.0 cos 3.0 t i + 6.0 sin 3.0 t j) meters. Determine (a) the velocity vector, v, and (b) the acceleartion vector, a. (c) What is the parth

    asked by QUESTION on August 20, 2009
  88. Physics

    A point mass block slides without friction on the loop-de-loop track of radius R as shown. From what height h must it be released from rest in order to make it around the loop without leaving the track? Show the equation and then plug the numbers into that

    asked by Anonymous on October 26, 2016
  89. Chemistry

    For the equation give the formula equation, ionic equation, and the net ionic equation after predicting the products and balancing. Using the solubility rules to indicate solid or aqueous each formula. AgNO3 + NaCl

    asked by Cindy on October 30, 2013
  90. Algebra

    For what value(s) of b will x^2 + bx + 3 have exactly one root? I'm rather new at this but wouldn't b=2*sqrt(3) give (x+sqrt3)2 as factors and that would give one root? Check my thinking. for a quadratic equation to have exactly one root, the discriminat

    asked by Megan on December 20, 2006
  91. Chemistry

    When given the pressure and force of a system, how should the pressure formula be rearranged to solve for area?

    asked by Jarred on August 8, 2010
  92. math

    Solve the following algebraically. Trial and error is not an appropriate method of solution. You must show all of your work and write answers in rational form. 3 x + 7 = 9 Answer: x = 2/3 Show your work here: 3 x + 7 = 9 -7 - 7 3/3 x = 2/3 X = 2/3 b)

    asked by mariel on July 27, 2008
  93. Algebra 2

    Use the following equation to perform the operations below (do not graph the equation yet): y ={x + 5}{x + 1}\{(x + 3)(x - 2)}{(x - 4)(x + 1)}) - {1}/{x - 2} What graphical feature occurs at {x} = -1? Use the "trace" function, zoom in on the graph, or look

    asked by Boy if you don't on August 6, 2015
  94. Science

    An iodoalkane A, with a molecular mass of 198, contains 30.3% carbon and 5.6% hydrogen by mass. It reacts with aqueous sodium hydroxide solution to give an alcohol which can be oxidised and with ethanolic potassium hydroxide solution to give two alkenes,

    asked by Fasi on April 19, 2015
  95. Organic CHM II

    With what starting material are all lipids are built? Describe the process that a long carbon chain is rearranged into a multi-cyclic molecule that is basis for steroids? Please explain in detail

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  96. Writeacher

    To earn the appreciation of honest critics and endure the betrayal of false friends; To follow the way your honest critics want you to trail and change their outlook about you. To suffer the pain your false friends give you from within, but don’t let it

    asked by Angelina on November 8, 2010
  97. calculus

    Q.NO.3: Show that the function z=tan^-1(2xy/x^2-y^2)satisfies Laplace’s equation; then make the substitution x=r cosθ, y= r sinθ and show that the resulting function of satisfies the polar form of laplace’s equation

    asked by akash on May 12, 2017
  98. Algebra

    I am re posting this for fear that it was overlooked earlier. I have also decided to show my work in the hopes of preventing any issues that might arise. Solve the absolute value equation. I y+3 I +5=2y Would the solutions be 8=y and y=2/3? Subtract 5 from

    asked by Anonymous on October 13, 2009
  99. math

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    asked by joni on January 12, 2007
  100. Calculus

    Find all solutions to the equation with 0≤α≤2π. Give an exact answer if possible, otherwise give value(s) of α accurate to at least four decimal places. 4tan(α)+5=2a=

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