# 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

62,835 questions, page 105
1. ## algebra world problems

1) the odometer on your car reads 20,186.7 after going 62.3 miles. write and solve an equation to determoine how many miles were on the odometere before going 62.3 miles. i wrote this; 0-62.3 = 20,186.7 2) michael bought a \$25.00 gift for a friend. After

asked by marko on October 17, 2011
2. ## Algebra

One number is 6 more than another number and their sum is 2. How would i make that an equation thought. for example if the question was, Jane spent \$42.00 for shoes. This was \$14 less than twice what she spent for a blouse. How much was the blouse? the

asked by Steve on January 20, 2007
3. ## Algebra

Suppose you are at the gas station filling your tank with gas, The function C(g) represents the cost C of filling the tank up the gas tank with g gallons. Give the equation: C(g)=3.03g a) What does the number 3.03 represent? The cost of one gallon of gas;

asked by A.W. on February 28, 2009
4. ## Economics

The question is, what is the for Math formula to show rather the demand of apples is Elastic, Inelastic, or Unitary Elastic Thank You Suppose the price of apples rises from \$3.50 a pound to \$4.00 and your consumption of apples drops from 30 pounds of

asked by Randy on November 19, 2008

How would you solve the problem below using subsitution method? 7x - 2y = 5 x = y If you could explain and show this step by step, it would help a lot. How would you solve the problem below using combination method? 3x - 2y = 12 -3x + 8y = -6 If you could

asked by saranghae12 on April 9, 2012
6. ## chemistry

Subject – equilibria Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed flask at room temperature. The flask was placed in a heated water bath and maintained at 323K until

asked by yaya on May 7, 2012
7. ## Chemistry!

Use the equation below and determine what volume of O2 at STP is needed to react with 1.5 moles of C2H4? Balanced equation: C2H4 + 3O2 --> 2CO2 + 2H20 So 1 mole of C2H4/3 mol O2 --> 1.5 mols/ 4.5 mols O2. So if its 1 mol equals 1 liter, than it should be

asked by Casey on July 10, 2010
8. ## algebra

from our text book "Bittenger, M. L. & Beecher, J. A. (2007). Introductory and intermediate algebra (3rd ed.). Boston: Pearson-Addison Wesley" can someone please help me with "Review examples 2, 3, and 4 in section 8.4 of the text. •How does the author

asked by judyanne on January 13, 2011
9. ## math

Find the sales tax rate in your area. Using this tax rate, write a linear equation representing the total with tax for a purchase of x dollars. Use this equation to determine what the pre-tax cost of the item is if the total cost with tax is \$10.

asked by Heather on May 31, 2010
10. ## Math

a) Is âˆ«[-1 to 1]e^x^3 dx positive, negative, or zero? Explain. I think is positive but i don't know how to explain it. b) Explain why 0 < âˆ«[0 to 1] e^x^2 dx

asked by Rain on September 10, 2006
11. ## Applied Math (Biological application)

The deformation y(t) of heart muscle from its rest position after t seconds can be modelled as a spring-mass system, described by the differential equation: my" + vy' + ky = F(t) where m, v, and k are positive constants denoting the mass of the myocardial

asked by Joey on March 19, 2014
12. ## math

A. determine the equation of the circle passing through points A(3;2) B(8;12) and C(-6;-2) B. a chord of the circle x^2+y^2=50 has a midpoint at (6;3). determine the equation of this chord.

asked by Anonymous on May 6, 2015
13. ## Math

Hi. Im trying to figure out how to solve an equation for x. The equation is y=2(x-3)^2. If I were to work this out, I would have come up with the answer x=sqrt y/2 +3 but the answer is actually x=sqrt 2y/2 +3. I can't work out where the extra 2 has come

asked by oscar on November 20, 2009
14. ## geometry

ABCD is a rectangle. A is the point (0,1). c is the point (0,6) the equation of the straight line through A and B is y=2x+1. (a)Find the equation of the straight line through D and C

asked by Anonymous on February 14, 2011
15. ## chemistry

what is the skeleton chemical equation of this? And Balanced equation. Copper (ii) chloride + Lithium --> Lithium Chloride + Copper

asked by SAM on October 18, 2016
16. ## chemistry

what is the skeleton chemical equation of this? And Balanced equation. Copper (ii) chloride + Lithium --> Lithium Chloride + Copper

asked by SAM on October 18, 2016
17. ## algebra help, please :)

The output of a function is 24 less than 9times the input write an equation for the function described. b) use your equation to find the input when the output is -10 Could someone help me? Thanks!

asked by Allyson on October 27, 2010
18. ## Calculus

If G(x)=(x)/(1+2x), find G'(a) and use it to find an equation of the tangent line to the curve y=(x)/(1+2x) at the point (-1/4,-1/2). My answer: G'(a)=1/(1+2x)^2 Equation of tangent line: y= 4x+0.5

asked by Anonymous on October 18, 2014
19. ## ALGEBRA

Find the equation of the circle with radius 1 and center C(1, -2). Then sketch its graph. AND... Sketch a graph of the circle given by the equation. (x + 6)2 + (y – 4)2 = 16

asked by kellY on April 23, 2014
20. ## Math

Equation: y = (-5/4)x + 3 When graphed, this equation would be a line. What is the SLOPE and Y-INTERCEPT of this line? Slope _____ y-intercept ______

asked by Sarah on January 3, 2009
21. ## Algebra

Find the variation constant and an equation of variation where Y varies directly as X and Y=60 when X=10 k=variation constant y=equation of variation Still do not understand..please..

asked by Maria1 on May 5, 2012
22. ## Algerbra

Make a table of solutions for the equation, and then use the table to graph the equation. Just graph one of them. y = 2x -1 How do I make one, may I use microsoft Excel?

asked by Eric on March 24, 2013
23. ## Algebra Variation Constant

What does this mean? Do I graph this or what? Find the variation constant and an equation of variation where y varies directly as x and y=12 when x=2 The variation constant =? The equation of variation is y=?

asked by Micah on February 27, 2008
24. ## Math vectors

Verify (a + b) × (a + b) = 0 What numbers can go into the equation as vector A(coordinates) and what numbers can go into the equation as vector B (coordinates) in order for the answer to be 0???

asked by Amreen on February 27, 2015
25. ## Trigonometry

im stuck on these questions....... 6. Change -4√2 - 4√2 to trigonometric form A. 32 cis 135° B. 8 cis 225° C. 8 cis 45° D. 32 cis 45° 7. Simplify (2 cis 100°)7. A. 2 cis 700° B. 128 cis 280° C. 128 cis 340° D. 2 cis 340° 9. Simplify 12(cos52°

asked by Rodrick on December 5, 2012
26. ## Trigonometry

QUESTIONS IM STUCK ON 6. Change -4√2 - 4√2 to trigonometric form A. 32 cis 135° B. 8 cis 225° C. 8 cis 45° D. 32 cis 45° 7. Simplify (2 cis 100°)7. A. 2 cis 700° B. 128 cis 280° C. 128 cis 340° D. 2 cis 340° 9. Simplify 12(cos52° + i

asked by Erick on December 4, 2012
27. ## Math

Given: f(X)= 8-4x A. Find f(-2) B. Find x, when f(x)= 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0 . Show details on the graph. F. Use the graph to find f(x)when x = 3. Show details on

asked by Anonymous on February 23, 2017
28. ## Math

Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details

asked by Anonymous on February 24, 2017
29. ## Math

Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details

asked by Anonymous on February 24, 2017
30. ## Statistics

A study shows that the probability of a baby being born with gene x is 0.6. The probability of a baby being born with gene y is 0.7. (a)What is the probability of being born with both genes assuming that the probabilities are independent? (b)In fact; 90%

asked by waqas on August 17, 2011
31. ## Math

For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's

asked by Melanie on January 26, 2011
32. ## Math

For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's

asked by Melanie on January 26, 2011
33. ## social studies

give me informetion about kailashnath temple like it's physical environment ,it's features,it's need to conserve and stories related to it and everything else about this temple urgently plzzzzzzzzzzzzzzzzzzzzz now!!!!!!!!!!!!!!!!!!! Thank you for using the

asked by kidd on November 6, 2006
34. ## English check answers !

1.B 2.C 3.C 4.A Read the following draft for a research paper on italian food. When you think of italian food,does your mouth always water for pizza or pasta? Actually,italian food includes a tremendous variety of dishers.These tasty morsels come from many

asked by matt on April 24, 2014
35. ## intermediate algebra

inequalities –1 ≤ x – 3 ≤ 5 –2x – 5 < –2 or x – 3 < –10 Be careful of how a negative x-term is handled in the solving process. Show all math work arriving at the solutions. •Show the solution sets written algebraically and as a union or

asked by sean on March 15, 2017
36. ## algebra

I invest \$14,000, part is 15% and part is 2% if the total interest at the end of the year is \$1060, how much did I invest at 15% I think you mean that part (let'say x) earns 15% and the rest earns 2% Solve thes two equations simultaneously: x + y = 14,000

asked by Tony on March 25, 2007
37. ## math

Find the equation of the tangent line to the graph of f(x) = 2x − 6/x + 1 at the point at which x = 0. (Let x be the independent variable and y be the dependent variable.) I got this question wrong. I thought the answer would be y=-4x-6 I followed the

asked by Angelica on September 30, 2015
38. ## chem

assuming you have o.4g of Y(OH)3, calculate the mass of BaO2 required to react stoichiometrically to produce YBa2Cu3O7. Now calculate the mass of CuO. Please HELP! Write the balanced equation. Then, calculate the moles of Y hydroxide from .4 g. Then,

asked by nick on October 24, 2006
39. ## math word problems

(24 cents) per mile. Toyotas rent for \$31 per day and \$.19 (19 cents) per mile. Write a cost equation for each rental car. Would the equation be in the form of y = mx + b y = .24x + 25 y = .19x + 31 The second one looks ok to me. All of the information

asked by Michelle W. on August 20, 2007
40. ## physics

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are

asked by sarah on December 5, 2010
41. ## Math

Chris withdraws \$7.50 per week from his savings account. After 15 weeks, the balance in the account is \$585. A. Write an equation in point -slope form to model this. B. Write the equation in slope-intercept form. C. How much is in the account after 1 year

asked by Unknown on February 25, 2017
42. ## math

Studying for a final help. Many people know that the weight of an object varies on different planets,but did you know that the weight of an object on earth aalso varies according to the elevation of an object? In oparticular, the weight of an object

asked by tera on April 9, 2009
43. ## algebra 2

Question: Write the equation of a cubic function that has the x-intercepts of -4, 2, and 5 and passes through the point (6,20) My Answer: y = .5x^3-1.5x^2-9x+20 What I did: Put the x-intercepts and given point into stat plot (on calculator) then hit stat

asked by Jon on March 6, 2016
44. ## Physics - same ? as marina but im smarter, lol

Marina is my bf and we both attend a educational program called proyecto science. In it, when we were to attend the physics course, we had this ?: T = 2ð² L/G in this equation, T represents time, L represents Length and G represents Gravity. We are

asked by shivangi on July 2, 2008
45. ## math

You inherit \$18750 but the conditions are that for the first year, the money must be invested in two stocks paying 10% and 11% interest, respectively. How much should be inbested at each rate if the total interest to be earned for the year at \$1962.51? Be

asked by Christine on February 6, 2007

How do you find the domain and range of an equation? Since this is not my area of expertise, I searched Google under the key words "domain range equation" to get these possible sources:

asked by carter on August 28, 2006
47. ## maths

1. Prove using mathematical induction that 1+2+3+...+n=[ n(n+1)]/2 2. Find the derivative of 2^x^2+log2(2x^2-1) 3. Use DeMeoivre's theorem to simplify the following expressions [(Cos pie/3 + isin pie/3)^5 (cos 2pie/3- isin 2pie/3)^4]/ (cos pie/6 - isin

asked by muselitata on February 19, 2013
48. ## maths

1. Prove using mathematical induction that 1+2+3+...+n=[ n(n+1)]/2 2. Find the derivative of 2^x^2+log2(2x^2-1) 3. Use DeMeoivre's theorem to simplify the following expressions [(Cos pie/3 + isin pie/3)^5 (cos 2pie/3- isin 2pie/3)^4]/ (cos pie/6 - isin

asked by muselitata on February 19, 2013
49. ## algebra

please check and correct if needed. thanks problem: you have coupon of \$50 off your telephone purchase of \$100 or more at bell store. a. write a function relating phone purchase price after coupon, y, to the retail price, x . give the domain of this

asked by ann on February 12, 2012
50. ## ALGEBRA

I believe this answer to be correct. Just need to know. -13

asked by Amy on December 13, 2010
51. ## geometry

The equation of a circle is(x-3)squared plus (y+2)squared.The point (8,-2)is on the circle.What is the equation of the line that is tangent to the circle at (8,-2)? y=8 x=8 x=3 y=3

asked by Dana on January 18, 2012
52. ## Math

2. Which ordered pair is a solution of y = x – 4? (1 point) (−1, −5) (0, −3) (2, 6) (3, 1) 3. Which is a graph of the equation y = 2x − 4? (1 point) 4. Which equation has (2, −1) as a solution? (1 point) y = 2x − 1 y= x+ 3 y= x– 3 y = −2x

asked by Kevin on May 3, 2019
53. ## ALGEBRA-MAT117

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

54. ## Algebra

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

asked by Laura on September 30, 2008
55. ## ALGEBRA

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

56. ## chem

Calculate the pH of each of the following solutions. (a) [H3O+] = 2.9 10-10 M- I got 9.5 but its wrong. I used the equation pH= -log[H3O+] Is this the wrong equation? (b) [H3O+] = 6.4 10-2 M thanks:)

asked by Beth on April 6, 2011
57. ## chemistry

Please judge my answer: Question: 24 mL of 0.39 mol/L acetic acid is titrated with a standardized 0.33 mol/L KOH solution. Calculate the pH of the solution after 17 mL of the KOH solution has been added. Assume the Ka of acetic acid is 1.8 x 10-5. Answer:

asked by Abigail on April 15, 2008
58. ## pre- calc

area of a parking lot: One campus of Houston community college has plans to construct a rectangular parking lot on land bordered on one side by a highway. there are 640 feet of fencing available to fence the sides. let x represent the length of each off

asked by steph on November 10, 2011
59. ## Maths.Education.

Please sorry for posting the first question more than once, did that when i didn't have any responce.Thanx so much for the answers,they were the best ones i got.I have another set of questions to ask, they are; 1.Please give a detailed{i.e step-by

asked by Mfonobong on September 28, 2006
60. ## Probability

Let Θ be an unknown random variable that we wish to estimate. It has a prior distribution with mean 1 and variance 2. Let W be a noise term, another unknown random variable with mean 3 and variance 5. Assume that Θ and W are independent. We have two

asked by A on April 20, 2014
61. ## math

i'm working on this question and honestly I have tries but I don't understanding anything about the question, can someone please HELP me? I have been posted this question and hoping for someone can help me please! For the following scenario, develop an

asked by tj on March 5, 2015
62. ## Chemistry-gases

Nitrogen dioxide reacts with water and oxygen in the atmosphere to produce acid rain. 4NO2(g) + 2H2O(g) + O2(g) = 4HNO3(g) Assuming that the temperature and the pressure remain constant, calculate the volume of air at 1 atm, 20 C, necessary to dilute the

asked by Rose Bud on March 1, 2012
63. ## Chemistry-gases

Nitrogen dioxide reacts with water and oxygen in the atmosphere to produce acid rain. 4NO2(g) + 2H2O(g) + O2(g) = 4HNO3(g) Assuming that the temperature and the pressure remain constant, calculate the volume of air at 1 atm, 20 C, necessary to dilute the

asked by Rose Bud on March 1, 2012

I notice that other problems are answered in a timely manner....was is my overlooked? Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal

asked by jenny on May 27, 2012
65. ## mathematic

The local skateboard company reports that when they produce and sell n skateboards in a week, the cost is represented by the modelc=850+76n . The revenue is represented by the model r=150n. If both C and R are in dollars, write an equation for the profit

asked by claire on September 30, 2014
66. ## Mathematics

In an orthonormal system, you're given the following: Point P(1,2) Lina a=cartesian eqn:4x-3y+6=0 Line b=parametric eqns:x=-5+3& y=-& (real n°) Circle z=cartesian eqn:x²+y²-2x-3=0 (a)Calculate the angle between lines a an b (b)Calculate the coordinates

asked by Anonymous on May 18, 2008
67. ## Maths

In an orthonormal system, you're given the following: Point P(1,2) Lina a=cartesian eqn:4x-3y+6=0 Line b=parametric eqns:x=-5+3& y=-& (real n°) Circle z=cartesian eqn:x²+y²-2x-3=0 (a)Calculate the angle between lines a an b (b)Calculate the coordinates

asked by Anonymous on May 4, 2008
68. ## Math

What is the difference between an equation with two variables and an equation with three variables?

asked by kayla on October 12, 2007
69. ## algebra

Graph the equation y = 4 x + 8. How do you solve For y and x so I can graph the equation?

asked by Ruth on January 29, 2015
70. ## college

How do you know when an equation has infinitely many solution and when an equation has no solution?

asked by Linda on November 20, 2009
71. ## A

asked by John on September 23, 2013
72. ## maths

how do you know when an equation has infinitely many solution? How do you know when an equation has no solution

asked by olabisi on July 29, 2008
73. ## Math

How is solving a rational equation the same as solving any other equation?

asked by Hannah on December 14, 2017
74. ## Algebra help plz

If € , ß are the roots of the equation 2x^2 + 4x - 3 = 0 and €^2 , ß^2 are the roots of the equation x^2 + px + q = 0, find the value of p.

asked by Collins on October 18, 2015
75. ## Chemistry

Please write the balanced chemical equation for reaction the following chemical reaction ozone gas, O3, reacts with 3,3,4,4,5,5-hexanmethyl-1-hexyne, H-C≡C-C(CH3)2-C(CH3)2-C(CH3)2-CH3 to produce carbon dioxide gas, CO2 , and water gas, H2O When balancing

asked by Amanda on November 8, 2012
76. ## physics

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are

asked by sarah on December 5, 2010
77. ## Physics

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .016 NO HELP: You are

asked by sarah on December 5, 2010
78. ## Math - last one

I just have one more question. I need to find the equation for the following word problem: a group of yeasts cells grows by 75% every 3 hours. At 9 a.m., there are 200 yeast cells. Write an equation that models the number of yeast cells after 9 a.m. So far

asked by Lacey on November 2, 2008
79. ## English

Hamlet Take Home Test - Response Essay Answer ONE of the following questions in 750-850 word response: 1) The hero in a Shakespearean play always contributes in some way to the disaster in which he perishes. How true is this in Hamlet? 2) Discuss the use

asked by Kristy on January 2, 2013
80. ## English-Article

This is for my magazine on the Hunger Games, I did an article on Sponsers which Katniss and Peeta got the most. Katniss Everdeen is the main character in this book and Peeta is a boy from her same district. Their names were drawn from this glass jar and so

asked by Sara on October 24, 2010
81. ## 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

asked by Sanjay Gupta on April 24, 2016
82. ## Precalculus

A movie theater charges \$ 8 for adults and \$ 6 for seniors. On a particular day when 336 people paid an admission, the total receipts were \$ 2598. How many who paid were adults? How many who paid were seniors? I got this two equation (8x+6y=2598 and second

asked by Lilo on February 1, 2016
83. ## physics

For a particular nonlinear spring the relationship between the magnitude of the applied for F and the resultant displacement x from equilibrium is given by the equation F=kx^2. What is the amount of work done by stretching the spring a distance x_0?

asked by me on December 29, 2006
84. ## life orientation

show the link between intrapersonal conflict and relationship

asked by debeila grace on February 22, 2015
85. ## Math

graph the line 3x-4y=-8 Could you show how you got the answer so I can work it out also

asked by Kim on February 18, 2013
86. ## math

What is the percent of each number? 1. 3% of 45 2. 44% of 125 3. 95% of 64 4. 2% of 15.4 Show your work

87. ## math

asked by kerry on December 15, 2009
88. ## algebra

Please show this number in scientific notation. .00000698 Thank you.

asked by Jack on December 14, 2016
89. ## Math

Can someone show me how to figure out the following problem? The slope of the graph of y = 5x is what? Thank you

asked by Jonathon on February 19, 2013
90. ## calc

Use l'Hospital's Rule to show that lim x-> infinity (1+1/x)^x =e

asked by Corbin on December 11, 2016
91. ## Algebra

Rational Expressions 1-x^2/x Second expression 2b-2/2b^2-8 please show steps

asked by tbell on June 19, 2014
92. ## Calculus

Show that the limit as h approaches 0 of (e^h-1 ) all over h = ln e = 1 using at least two numerical examples.

asked by Jonathan on July 26, 2015
93. ## Pre - CALCULUS

Locate the foci of the ellipse. Show your work. 𝑥2/36+ y2/11=1

asked by Ciara on April 13, 2015
94. ## Algebra

show a graph that best represents a first-degree polynomial p(X).

asked by Candy on October 10, 2018
95. ## Math

show me the steps to solving this problem? 3k/5+44=12k/25+8

asked by alice on April 14, 2010
96. ## algebra

tell whether x and y show direct variation and explain reasoning

asked by janice on September 24, 2017
97. ## algebra

can you show the problems worked out x-y=3 if x=1,2,3,4 etc... and -x+4y=9 if x = 1,2,3,45,6 etc.. I need to graph coordinates. Thanks

asked by sherry on February 1, 2010
98. ## English

Can you please show me a sample of a diagrammed sentence with phrases?

asked by Tyler on July 20, 2008
99. ## geography

hi ms sue! how do i show the calculation i am doing longitude and time?

asked by revalino on September 25, 2011
100. ## math

please show the working out of how the 48.6 m is acheived. ( 400.9 m^4 s^-3 ) / ( 5 m s^-1 x 0.0007 s^-2 )1/3 = 48.6 m

asked by Brigit on May 6, 2009