1/x+1-1/x+2=1/6 Must have 2 solutions

4,927 results
  1. Math

    How many solutions does the system of equations below have? y=3x+4 y=3x+2 A) Only 1 solution B) Infinitely many solutions C) No solutions

  2. Chemistry

    You have to prepare a pH 3.50 buffer, and you have the following 0.10M solutions available HCOOH, CH3COOH, H3PO4,CHOONa, CH3COONa, and NaH2PO4. a) What solutions would you use? b) How many milliliters of each solution would you use to make approximately 1

  3. Algebra

    How many solutions does this system of equations have? y = 4x + 3 and 2y - 8x = 3 One, two, infinitely many, or no solutions? My answer is no solutions.

  4. math

    How many solutions does the system have? y - 5x = -6 3y - 15x = -12 A) infinitely many solutions B) no solution C) two solutions D) one solution

  5. math

    Decide whether each equation has one solution, no solutions, or infinitely many solutions. 1. 2(x – 3) = 2x a.one solution b.no solutions c.infinitely many solutions 2. 3(y – 3) = 2y – 9 + y a.one solution b.no solutions c.infinitely many solutions

  6. Math 111

    Use the discriminant to determine the number and type of solutions for the given equation. Either A, B, C, OR D 2x^2 = 7x - 8 A One (repeated) rational solution B Two irrational solutions C Two imaginary solutions D Two rational solutions

  7. Math

    We can find the solutions of sin x = 0.6 algebraically. (Round your answers to two decimal places.) (a) First we find the solutions in the interval [0, 2π). We get one such solution by taking sin−1 to get x = ________ (smaller value). The other solution

  8. math

    Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. x^2=3x-6

  9. Math

    How many solutions does this system have? x-2y=2 y= -2x+5 a. infinitely many solutions b. no solutions c. two solutions d. one solution ******

  10. Math help :(

    I don't get any of these practice problems. 5. 2(x – 3) = 2x one solution no solutions infinitely many solutions 6. 3(y – 3) = 2y – 9 + y one solution no solutions infinitely many solutions 7. 10x – 2 – 6x = 3x – 2 + x one solution no solutions

  11. math

    Decide whether each equation has one solution, no solutions, or infinitely many solutions. 1. 2(x – 3) = 2x one solution no solutions infinitely many solutions 2. 3(y – 3) = 2y – 9 + y one solution no solutions infinitely many solutions 3. 10x – 2

  12. Math

    How many real number solutions does the equation have? y=3x^2-5x-5 A)one solution B)two solutions C)no solutions D)infinitely many solutions I can't figure this question out. Any help would be amazing.

  13. math

    Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions.8x2 + 2x + 4 = 0

  14. math

    Determine the number of solutions for the following system of equations 2x+5y=7 10y=-4x+14 1)Exactly one solution 2)No solutions 3)infinite solutions 4)Exactly 2 solutions I solved the equations and got y=7-2X/5 y=-4X+14/10 and I said infinite solutions.

  15. questions

    1.) Why are there usually two solutions in quadratic equations? 2.) Under what situation would one or more solutions of a rational equation be unacceptable? If putting the found "solution" cannot be put back into the original equation without violating

  16. Trig

    Find all solutions in the interval [0,2pi) 4sin(x)cos(x)=1 2(2sinxcosx)=1 2sin2x=1 2x=1/2 x= pi/6, and 5pi/6 Then since its 2x i divided these answers by 2 and got pi/12 and 5pi/12 However, when i checked the answer key there solutions 13pi/12 and 17pi/12

  17. Math

    1)How many real number solutions does the equation have? -8x^2-8x-2=0 A) One Solution B) Two Solutions C) No solutions D) Infinitely many solutions If someone could help me with this that would be great since I am confused. Thank you!

  18. Algebra

    How many real number solutions does the equation have? y=-4x^2+7x-8 A. no solutions B. one solution C. two solutions D. infinitely many solutions I think it is C..? How many real number solutions does the equation have? y=2x^2-20x+50 A. no solutions B. one

  19. Algebra 1

    Explain why the two equations below have the same solutions. x + 3y = −1 −2x − 6y = 2 A. The two equations have the same slope, so they have the same solutions. B. The second equation is a multiple of the first equation, so they have the same

  20. Math

    1. Does the graph represent linear relationship? Why or why not? 2. Are the slopes of the lines the same or different? How can you tell? 3. Is the statement true: Line P has a greater slope than line Q -true -false 4. How many solutions does this system

  21. Algebra

    Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of solutions. Okay so that is the question, I know it's already on Jiskha but I need it to be

  22. algebra

    how many real number solutions does the equation have? 0=2x^2-20x+50 A. 1 solution B. 2 solutions C. no solutions** D. infinite solutions

  23. Algebra

    1.Mary is selling her craft to earn money she sells her bracelets for $6 and her necklaces for $10 her goal is to make at least $120 in sales which of the following represents three possible solutions to the problem A.6x+10y=120 (5,9),(10,6),and(15,3)are

  24. Pre Algebra

    use the discriminant to determine whether the following equations have solutions that are: tow different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. 25x^2=10x-1

  25. Algebra

    Can someone help me with this question? Use the discriminant to determine whether the following equations have solutions that are:two different rational solutions: two different irrational solutions: exactly one rational solution: or two different

  26. math help please

    Which cannot describe a system of linear equations? no solution exactly two solutions infinite solutions exactly one solution I thought it was A or D but someone else is telling me it is B...no I'm confused...I thought it was 2 or more solutions

  27. Math check

    Decide whether each equation has one, no solutions, or infanatly many solutions 1.) 2(x - 3) = 2x One solution no solutions many solutions infinatly many solutions 2.) 3(y - 3?) = 2y - 9 + y One solution no solutions many solutions infinatly many solutions

  28. algebra

    5x=7+4y 20x-16y=28 how many solutions are there for the system of equations? Infinitely many solutions No solution. two solutions or three solutions?

  29. Math ~CHECK MY WORK PLEASE~

    Hello, Please check my answers, with stars (*) are my answers! Please check if they are wrong please tell the right answer and why it is right (explain it) so I can understand why! Thanks! For questions 1-2, solve the inequality. 1.) x + 8 < -28 a~ x < -36

  30. Math

    William solves the equation 5(3x-2)=15x-2. How many solutions does he find? A.0 solutions B.1 solution C.2 solutions D.Infinitely many solutions I'm only up to making it to: 15x-10= 15x-2 I was also wondering if I did anything wrong.

  31. Algebra 1

    "Graph each system of linear inequalities. Give two ordered pairs that are solutions and two that are not solutions." How do I find these solutions in order to "give two ordered pairs that are solutions and two that are not solutions."?

  32. math 11

    sorry about all the typos. Im a fast typer and don't always catch them. here's the question again The system 3x-y+4=0 and x^2-8y-1=0 will have A. 0 real solutions B. 1 real solutions C. 2 real solutions D. an infinite number of real solutions

  33. chemistry

    Why are standard KMnO4 solutions are seldom used for the titrations of solutions containing HCl? 2. Why are standard solutions of reductants less often for titrations than standard solutions of oxidants? 3. When a solution of KMnO4 was left standing in a

  34. math

    Consider the equation. 3(x - 2) = 3x - 2 Part A Determine whether the equation has one solution, no solutions, or an infinite number of solutions. Use words, numbers, and/or symbols to justify your answer. Show All Work I know this equations has no

  35. Algebra

    For the following equation, state the value of the discriminant and then describe the nature of the solutions. -7x^2+3x-4=0 What is the value of the disriminant? Does the equation have two imaginary solutions, two real solutions, or one real solution?

  36. Math help please!

    Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of solutions. Okay so that is the question, I know it's already on Jiskha but I need it to be

  37. chemistry

    The vapor pressures of several solutions of water-propanol(Ch3Ch2Ch2OH) were determined at various compositions, with thefollowing data collected at 45C: XH2O Vapor pressure (torr) 0 74.0 .15 77.3 .37 80.2 .54 81.6 .69 80.6 .83 78.2 1.00 71.9 a.) Are

  38. chemistry

    Hydrocyanic acid (HCN) is a much weaker acid than nitrous acid (HNO2). The pH values of 0.1 M solutions of the potassium salts of these two acids were determined separately. The statement which describes these determinations most accurately is: a. ) Both

  39. Math

    How many real-number solutions does the equation have? –7x2 + 6x + 3 = 0 one solution two solutions*********** no solutions infinitely many solutions

  40. Science

    A is a solution of trioxonitrate nitrate (v) (HNO3) of unknown concentration, B is a standard solutions of NAOH containing 4.00g/dm3 of solutions 25.0cm potion of solutions B required an average of 24.00cm of solutions A for complete neutralization

  41. Intermediate Algebra

    Please Help!! Use the discriminant to determine whether the follow equations have solutions that are: -two different rational solutions -two different irrational solutions -exactly one rational solution or -two different imaginary solutions. 8x^2+7x+3=0

  42. math

    use the discriminant to determine whether the following eqautions have solutions that are;two different rational solutions;two different irrational solutions;exactly one rational solution;or two different imaginary solutions x^2=3x-6

  43. MATH

    use the discriminant to determine whether the following equation have solutions that are : two different rational solutions : two different irrational solutions : exactly one rational solution : or two different imaginary solutions 7+5z^2=-8z

  44. math

    Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. x2 = 5x + 6

  45. intermediate algebra

    use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginery solutions. Help please.

  46. Algebra

    How many solutions does this system have? x-2y=2 y=-2x+5 a. infinitely many solutions b. no solutions*** c. two solutions d. one solution

  47. algebra help

    I need help with this problem not understanding it. Give exact and approximate solutions to three decimal places. x^2+6x+9= 81 what are the exact solutions? x=___ There are no approximate solutions since the solutions are integers.

  48. VERY URGENT MATH~!!!!!!!!

    1. 2(x – 3) = 2x (1 point) one solution no solutions infinitely many solutions 2. 3(y – 3) = 2y – 9 + y (1 point) one solution no solutions infinitely many solutions 3. 10x – 2 – 6x = 3x – 2 + x (1 point) one solution no solutions infinitely

  49. algebra HELP PLEASE

    1. a model rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y=-0.04x^2+8.3x+4.3, where X is horizontal distance, in meters, from the starting point in the roof and Y is the height, in meters, of the

  50. Algebra

    Explain whether the points (−3,8), (−2,3), (−1,−2), (0,−7), (1,−12), and (2,−17) represent the set of all the solutions for the equation y=−5x−7. No, because the set of all solutions of y=−5x−7 is represented by the line of the

  51. algebra

    determine the nature of the solutions of the equation, one real solution, two real solutions, or two non-real solutions. x^2-20x+100=0

  52. math 11

    The system 3x-y+4+4=0 and x^2-8y-1=0 will have A. 0 real solutions B. 1 real solutions C. 2 real solutions D. an infinite number of real solutions

  53. calculus

    hi im back.. solve cosx= (squareroot3)/ 2 where 0

  54. algebra

    i dont do the solutions very well could someone help me? how many real number solutions does the equation have? 0=2x^2-20x+50 A. 1 solution B. 2 solutions C. no solutions D. infinite solutions Is it C? Also if anyone has the rest of the answers to Unit 4

  55. algebra

    what are the solutions to the equation 2x^2=18 the possible answers are A. 2 solutions +/-9 B. 2 solutions +/-3 C. 2 solutions +/-√3 D. No solutions. i am completely and utterly lost so if someone could help me just like figure out what to do with the

  56. intermediate algebra

    use thr discriminant to determine wheather the following equations have solutions that are two different rational solutions;two different irrational solutions; or two imaginary solutions.8x^2+7x+3=0

  57. math

    21.Faith solves the equation 3(7x+4)=21x+4. How many solutions does she find? A. Infinitely many solutions B. 2 solutions C. 1 solution D. 0 solutions

  58. Algebra

    1.Mary is selling her craft to earn money she sells her bracelets for $6 and her necklaces for $10 her goal is to make at least $120 in sales which of the following represents three possible solutions to the problem A.6x+10y=120 (5,9),(10,6),and(15,3)are

  59. math

    how many real-number solutions does the equation have 0 = -7x^2 + 6x + 3 A. One solution B. Two solutions C. No solutions D. Infinite solutions

  60. math

    how many real number solutions does the equation have y = -4x^2 + 7x - 8 no solutions (is it this one) one solution two solutions infinitely many solutions

  61. CountIblis, can i bother you

    Countiblis, i know that you might be busy do you mind if i ask you the following for help.Only if you can please. can you explain to me just one more thing so i can undestand it. Now i have an equation which is : 3x = 3x + 5 which I know has no solution to

  62. Math

    Mary is selling her craft to earn money she sells her bracelets for $6 and her necklaces for $10 her goal is to make at least $120 in sales which of the following represents three possible solutions to the problem a. 6x+10y=120 (5,9),(10,6),and(15,3)are

  63. Chemistry Lab

    So we prepared 100mL of .1M solutions of these solutions, and found the pH and H+ contents: pH H+ HCl: .57 .270 HNO3: .58 .260 H2SO4: 1.29 .051 HC2H3O2: 2.44 .0036 H2C2O4: .84 .145 HKC6H4(CO2)2: 4.13 7.41 Now I'm stuck on this question. What conclusions

  64. math

    Help pllsss ASAP!!! have certain answers!! i try but i do not understand! help asap! give answers and walkthrough problems for me! 1. 2(x - 3) = 2x (1 point) one solution no solutions infinitely many solutions 2. 3(y - 3) = 2y - 9 + y (1 point) one

  65. maths

    for this simultaneous equations: x + 2y = 1, -x + 5y = 12. would the two solutions be x = -3 and y = 2 sorry i mean -x + 5y = 13 i really need help with my math homework excuse me..does that have anything 2 do wiv my queation?? unless ur dng the same

  66. Algebraic

    Determine the roots of the quadratic equation by completing the square. Solve for exact solutions and approximate solutions. Check your solutions. Y=x2-6x-12

  67. Math

    determine whether the system of alinear equqtion has one and only one solutions or no solutions find all solutions whenever they exits 3x- 4y =12 6x -8y =24

  68. algebra

    how many real number equations does this equation have? 0= -7x^2+6x+3 A. 1 solution* B. 2 solutions C. no solutions D. infintie solutions

  69. AP Chemistry

    DrBob222 thank you for your previous response. I am reposting the entire question. Two different 1.2 L buffered solutions were prepared using HOBr and LiOBr. Both buffered solutions had a pH of 5.2 at 25C. After 0.17 mols of HI were added to each of the

  70. math

    The system of equations 16(x-4)^2+9 and y=-7(x-4)^2+9 will have A. 1 solution B. 2 solutions C. no solutions D. an infinite number of solutions

  71. math, help

    What are two solutions for 3x-y=0 am i correct on this inorder to graph (0,0) and (2,6) Because the line goes through (0,0) so how do i get two solutions from that line? You can get two solutions from that line because the first solution (0,0) is from the

  72. Algebra

    A physics student stands at the top of a hill that has an elevation of 37 meters. He throws a rock and it goes up into the air and then falls back past him and lands on the ground below. The path of the rock can be modeled by the equation y = -0.02x^2 +

  73. math,correction

    Find four solutions for the equation 3x+5y=15 so the equation will turn to be y=-(3)/(5)x+ (3) and when i do the table i get these points for the solution (-2,4.2),(-1,3.60),(0,3),(1,1.8) ok Let me give you a help. Take the slope, denominator. 5. Now make

  74. Algebra 1

    9. Find the solutions to the system. y=x^2+5x+6 y=4x+12 A. (2,20) and (-3,0) B. (2,20) and (-3,-18) C. (-2,-20) and (-3,-18) D. no solutions 10. Find the solutions to the system. y=x^2-3x-1 y=8x-1 A. (0,-1) and (11,388) B. (0,-1) and (11,87) C. (-1,0) and

  75. Math

    Given that an equation of the form f(x) = x^n has n solutions, and that the solutions are equally spaced at a given radius in the complex plane, discuss why complex solutions must occur in conjugate pairs when .

  76. Math

    Given that an equation of the form f(x) = x^n has n solutions, and that the solutions are equally spaced at a given radius in the complex plane, discuss why complex solutions must occur in conjugate pairs when .

  77. Algebra

    Make a conjecture about the solution of a system of equations if the result of subtracting one equation from the other is 0 = 0 A. There are no solutions b. there are infinite number of solutions c. Cannot determine any solution d. the solutions are

  78. calculus

    Solve the system by the method of your choice. Identify systems with no solutions and systems with infinitely many solutions, using set notation to express their solutions: x + y = 3 -2 + y = -3 (0 ,-5) (0 , 0) (-2 ,-1) (-2,-3)

  79. calculus

    Solve the system by the method of your choice. Identify systems with no solutions and systems with infinitely many solutions, using set notation to express their solutions: (0 ,-5) (0 , 0) (-2 ,-1) (-2,-3)

  80. History

    What were some of the problems that workers faced in 19th century Europe according to Marx and Engels in "The Communist Manifesto" What were their solutions to these problems and how did these solutions compare to David Ricardo and Samuel Smiles

  81. @someone who can show me how to do this

    Hi I'm Aluminum

  82. Algebra II

    1)What method(s) would you choose to solve the equation: x2 + 2x - 6 = 0 A. Square roots; there is no x-term. B. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. C. Factoring; the equation is easily factored.

  83. math

    compare and contrast: below are two equations. solve each equation and compare the two solutions. choose the statement that is true about each solution. equation #1 2x-3=-17 5x+3=12 A. equation #1 and equation #2 have the same number of solutions B.

  84. algebra

    determine the nature of the solutions of the equation. Two real solutions, two imaginary solutions, or one real solution. 2t^2-4t=0

  85. math

    how many possible solutions are there in the system x^2+2x+2y=5 and 3x^2-4x=3+y? A. 0 real solutions B. 1 real solutions C. 2 real solutions D. an infinite number of real solutions

  86. My Math

    ecide whether each equation has one solution, no solutions, or infinitely many solutions. 1. 2(x – 3) = 2x (1 point) one solution no solutions infinitely many solutions 2. 3(y – 3) = 2y – 9 + y (1 point) one solution no solutions infinitely many

  87. Math

    Decide whether each equation has one solution, no solutions, or infinitely many solutions. 3(y-3)=2y-9+y A. One solution B. No Solutions C. Infinitely many solutions I did 3*y 3*3=9 2y=9+4 3-*=-6 x-27 Is the answer A?

  88. Algebra

    Find the solutions to the system. y=x^2+5x+6 y=4x+12 A. (2,20) and (-3,0) B. (2,20) and (-3,-18) C. (-2,-20) and (-3,-18) D. no solutions Find the solutions to the system. y=x^2-3x-1 y=8x-1 A. (0,-1) and (11,388) B. (0,-1) and (11,87) C. (-1,0) and (87,11)

  89. Math

    How many real number solutions does the equation have? 0 = - 4x^2 + 7x -8 a. no solution***** b. one solution c. two solutions d. infinitely many solutions

  90. Math

    Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one

  91. Math

    Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one

  92. Pre-Algebra

    Equation M: y = 3x + 4 Equation P: y = 3x + 7 Which of the following options is true about the solution to the given set of equations? No solution One solution Two solutions Ininite solutions I thought it was infinite solutions but i got the answer wrong.

  93. trig

    I need to find all solutions of the given equations for the indicated interval. Round solutions to three decimal places if necessary. 1.) 3sin(x)+1=0, x within [0,2pi) 2.) 2sin(sq'd)(x)+cos(x)-1=0, x within R 3.) 4sin(sq'd)(x)-4sin(x)-1=0, x within R 4.)

  94. Advanced Chemistry

    he vapor pressures of several solutions of water-propanol(Ch3Ch2Ch2OH) were determined at various compositions, with thefollowing data collected at 45C: XH2O Vapor pressure (torr) 0 74.0 .15 77.3 .37 80.2 .54 81.6 .69 80.6 .83 78.2 1.00 71.9 a.) Are

  95. Algebra

    in x^2+14=0, how many solutions do we have? A)2 real solutions B)1 real solution C)2 imaginary solutions Im guessing A

  96. Math

    I am given 4 choices for the problem the square root of 8x -2 = the square root of 2x. The choices are a)x=2 or 2/9 b)no solutions c)2/9 or d)x=2.I have imput the numbers and gotten a variety of solutions none of which are any of the choices, does this

  97. Trig - Ambiguous Cases

    Triangle HAV has

  98. Algebra 2 Helpp :(

    QUESTIONS (vvv) (1) Solve the system by subsitution 2x + y = -11 3 - 4y = 11 (2) Solve the system by elimination 2x + 6 = -12 5x - 5y = 10 (3) What is the solution of the following system? -3x - 2y = -12 9x + 6y = -9 (4) What is the solution of the

  99. math

    Identify the solution(s) of the system of equations, if any. x=1 y=1 I think it is C but not 100% sure.... just seems to easy a) no solutions b) (0,0) c) (1,1) d) infinitely many solutions

  100. math

    Decide whether the each equation has one solution, no solutions,or infinitely many solutions. 1. 2(x-3)= 2X A.One solution B.No solutions C.Infinitely many solutions 2. 3(y-3)= 2y-9+y A.One solution B.No solutions C.Infinitely many solutions 3. 10x-2-6x =

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