1/x+11/x+2=1/6 Must have 2 solutions
4,927 results
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

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

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.

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

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

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

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

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=3x6

Math
How many solutions does this system have? x2y=2 y= 2x+5 a. infinitely many solutions b. no solutions c. two solutions d. one solution ******

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

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

Math
How many real number solutions does the equation have? y=3x^25x5 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.

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

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=72X/5 y=4X+14/10 and I said infinite solutions.

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

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

Math
1)How many real number solutions does the equation have? 8x^28x2=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!

Algebra
How many real number solutions does the equation have? y=4x^2+7x8 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^220x+50 A. no solutions B. one

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

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

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

algebra
how many real number solutions does the equation have? 0=2x^220x+50 A. 1 solution B. 2 solutions C. no solutions** D. infinite solutions

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

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=10x1

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

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

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

algebra
5x=7+4y 20x16y=28 how many solutions are there for the system of equations? Infinitely many solutions No solution. two solutions or three solutions?

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 12, solve the inequality. 1.) x + 8 < 28 a~ x < 36

Math
William solves the equation 5(3x2)=15x2. 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: 15x10= 15x2 I was also wondering if I did anything wrong.

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."?

math 11
sorry about all the typos. Im a fast typer and don't always catch them. here's the question again The system 3xy+4=0 and x^28y1=0 will have A. 0 real solutions B. 1 real solutions C. 2 real solutions D. an infinite number of real solutions

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

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

Algebra
For the following equation, state the value of the discriminant and then describe the nature of the solutions. 7x^2+3x4=0 What is the value of the disriminant? Does the equation have two imaginary solutions, two real solutions, or one real solution?

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

chemistry
The vapor pressures of several solutions of waterpropanol(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

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

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

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

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

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=3x6

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

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

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.

Algebra
How many solutions does this system have? x2y=2 y=2x+5 a. infinitely many solutions b. no solutions*** c. two solutions d. one solution

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.

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

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

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

algebra
determine the nature of the solutions of the equation, one real solution, two real solutions, or two nonreal solutions. x^220x+100=0

math 11
The system 3xy+4+4=0 and x^28y1=0 will have A. 0 real solutions B. 1 real solutions C. 2 real solutions D. an infinite number of real solutions

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

algebra
i dont do the solutions very well could someone help me? how many real number solutions does the equation have? 0=2x^220x+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

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

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

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

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

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

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

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

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

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

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

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

Algebraic
Determine the roots of the quadratic equation by completing the square. Solve for exact solutions and approximate solutions. Check your solutions. Y=x26x12

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

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

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

math
The system of equations 16(x4)^2+9 and y=7(x4)^2+9 will have A. 1 solution B. 2 solutions C. no solutions D. an infinite number of solutions

math, help
What are two solutions for 3xy=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

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 +

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

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^23x1 y=8x1 A. (0,1) and (11,388) B. (0,1) and (11,87) C. (1,0) and

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 .

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 .

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

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)

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)

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

@someone who can show me how to do this
Hi I'm Aluminum

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

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 2x3=17 5x+3=12 A. equation #1 and equation #2 have the same number of solutions B.

algebra
determine the nature of the solutions of the equation. Two real solutions, two imaginary solutions, or one real solution. 2t^24t=0

math
how many possible solutions are there in the system x^2+2x+2y=5 and 3x^24x=3+y? A. 0 real solutions B. 1 real solutions C. 2 real solutions D. an infinite number of real solutions

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

Math
Decide whether each equation has one solution, no solutions, or infinitely many solutions. 3(y3)=2y9+y A. One solution B. No Solutions C. Infinitely many solutions I did 3*y 3*3=9 2y=9+4 3*=6 x27 Is the answer A?

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^23x1 y=8x1 A. (0,1) and (11,388) B. (0,1) and (11,87) C. (1,0) and (87,11)

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

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

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

PreAlgebra
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.

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.)

Advanced Chemistry
he vapor pressures of several solutions of waterpropanol(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

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

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

Trig  Ambiguous Cases
Triangle HAV has

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

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

math
Decide whether the each equation has one solution, no solutions,or infinitely many solutions. 1. 2(x3)= 2X A.One solution B.No solutions C.Infinitely many solutions 2. 3(y3)= 2y9+y A.One solution B.No solutions C.Infinitely many solutions 3. 10x26x =