# 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 313
1. ## Math

Choose the equation you can use to solve the following problem. How many meatballs does Raul still need to make if he already has 25 and needs a total of 32 for Sunday's dinner? Is it 25-7=b?

2. ## trig

Write an equation of a secant graph that has amplitude of 3, period of pi/2, is shifted to the left pi/4, and is flipped over the x - axis.

asked by Anonymous on September 24, 2010
3. ## algebra

ok im tring to find the slope intercept form of a perpindicular line so i can graph it heres the equation: (-3,1) y=-3x+7

asked by Blaine on October 3, 2009
4. ## ICT

Mr. Louw bought a number of bags at R100. What is the amount due? (5) Variables Constant(s) equation:

asked by Mr. Louw bought a number of bags at R100. What is on May 10, 2016
5. ## Fundamentals of Chemistry

balance the equation by ion electron method. Fe^++ + MnO4- = Fe3+ +Mn2+ (acidic medium) please help me..!!

asked by Aboli on February 14, 2013
6. ## PreCalc

Find the equation of the line in the xy-plane that goes through the origin and makes an angle of 1.2 radians with the positive x-axis.

asked by Zack on September 8, 2015
7. ## Algebra

3. Find the slope of each line with equation as given. a) Y=4 b) X=2 Answers: a) zero b) undefined 4. Graph the following equations: a) 3x-2y=6 answer: (2,0) and (0,-3) b) 5x+3y=6 (need help with this one) Are they correct and would need help with b.

asked by Marco on March 6, 2010
8. ## Chemistry

Write the equation for the reaction by which aspririn decomposes in an aqueous ethanol solution. C9H8O4 + C2H6 --> ?

asked by Sara on April 20, 2008
9. ## Math

Solve the following equation with complex numbers and the quadratic formula : 7x^2-4x+2=0 My answer is 4+- 2i√10 ________ 14 My only question is Can this be reduced ?

asked by Jenna on February 8, 2016
10. ## chemistry

what is the sum coefficient and balanced equation of : Co(OH)3+Na2CO3 my answer is 3Co(OH)3+ 3Na2CO3---> 3CoCO3+ 3Na2OH

asked by lydia on October 9, 2012
11. ## Alg 2

If I were to graph it, the vertex would be (3,-7) so what would my other point be? Write this equation : y =4(x-3)^2 -7 in standard form . answer: y=4x^2 -24x +29 idk if this is right?

asked by Jess on June 12, 2015
12. ## applied calculus

Let y=〖tan〗^(-1) x Rewrite it as an equation involving a trig function. Use implicit differentiation to determine an expression for y.

asked by jack on April 9, 2013
13. ## phsics

what equation deccribe the condition for observing the fourth dark fringe in a interference pattern correctly

asked by mikhail on June 10, 2015

b. Explain why the initial value problem y'=4xsqrt(1-y^2) with y(0) = 4 does not have a solution. I already solved the differential equation and got y=sin(2x^2+C) I don't know what to do from there

asked by Danni on April 20, 2017
15. ## chemistry

How much energy is required to raise the temperature of 3 kg of lead from 15C to 20C? Use the table below and this equation: Q = mcT.

asked by bebe on October 9, 2012
16. ## math

ok this is kinda stupid but i totally just confused myself with the simplest thing haha okay when doing the FOIL methed to this equation (-7-y)(-7-y) would it be 49 + 7y + 7y + y^2 or no??

asked by lyne on October 4, 2009

the line with the equation x+y=3 is graphed on the same xy-plane as the parabola with vertex (0,0) and focus (0,3). What is the point of intersection of the two graphs?

asked by edith on September 19, 2010
18. ## maths

Determine the coordinates of the point on the curve representing the function f(x)=ln(2x-1) where the tangent is parallel to the line with equation 2x-5y=0 Thanks for any help!

asked by Anonymous on March 10, 2010
19. ## geometry

based on the data in your table and the scatterplot write and equation for the width of the rectangle in the terms of the legth

asked by juan garcia on July 21, 2011
20. ## math

Can you please explain this to me and how you got the answer ~ Jasmin is solving the equation below X^2-10x=9 what should she add to both sides to complete the square

asked by rosa on June 3, 2013
21. ## Algebra

I had to write the standard form of the equation for the circle consisting of the endpoints (0,0), (6,8). I got (x-3)^2+(y-4)^2=15. But my book said the fifteen should be a twenty five. How would they have gotten 25? Thank you.

asked by Therese on September 30, 2009

Find the real solutions of the equation: 14x^2 - 5x^2 - 1 = 0 I know that you have to use au^2 + bu +c = 0 so u^2 - 5x -1 which is prime. So would the answer be that the solution is the empty set?

asked by Hannah on September 19, 2010
23. ## chemestry

Given the equation C2H4(g)+3O2(g)>2CO2(g)+2H2O(l)+1411kJ, how much heat is released when 8.00g of O2 react?

asked by Haily on April 21, 2013
24. ## math

setup an equation or expression to model the situation below: find the shortest distance from the point (2,4) to the curve y=4x^3+1

asked by sam on September 3, 2012
25. ## chemistry

Balanced equation of the reaction that occurs when the butane in cigarette lighters burns in the presence of enough oxygen

asked by patience on March 18, 2014
26. ## SAT math

1. Find the product of the solutions of this equation: 1 / x+1 - 6-x/6x = 0 2. If y is jointly proportional to x and z and y = 4 when x = 8 and z = 1, what is the value of y when x = 24 and z = 3? For this one I think I'm solving it wrong, because I keep

asked by mysterychicken on May 31, 2013
27. ## Applied calculas

Let y=〖tan〗^(-1) x Rewrite it as an equation involving a trig function. Use implicit differentiation to determine an expression for y.

asked by jack on April 8, 2013
28. ## Algebra

Find the equation in slope-intercept form of the line that is the perpendicular bisector of the segment between (-3,4) and (3,-8) Can you help me figure this out? Thank you!

asked by Student on March 13, 2014
29. ## Chemistry

Write an equilibrium reaction equation for each of the following buffer mixtures: a)NH3(aq) and NH4Cl(aq) b)HC7H5O2(aq) and NaC7H5O2(aq)

asked by Anonymous on January 7, 2018

the line with the equation x+y=3 is graphed on the same xy-plane as the parabola with vertex (0,0) and focus (0,3). What is the point of intersection of the two graphs?

asked by edith on September 19, 2010
31. ## chemistry

Balance this equation. If a coefficient of "1" is required, choose "blank" for that box. CH4 + O2 → CO2 + H2O

asked by derek on May 2, 2016
32. ## trig

Find all angles, 0≤A

asked by Anonymous on March 16, 2014
33. ## Chemistry

What volume of a 0.50 M solution of H2SO4 is required to completely neutralize 3.0 grams of NaOH? Write the equation.

asked by Nick on October 8, 2012
34. ## Analytic Geometry

simplify the given equation and graph xy-x+y=0 (it is on rotation of axes. please answer in order for me to have a guide in my studies tonight)

asked by Earl John on May 3, 2016
35. ## Chemistry

How many milliliters of 0.230 M Na2S2O3 solution are needed to titrate 2.349 g of I2 according to the equation below? I2(aq)+2S2O3^2-(aq)->S4O6^2-(aq)+2I^1-(aq)

asked by Drew on October 6, 2010
36. ## chemistry

is this right? A formation equation... it shows the change in enthalpy that comes from forming one mole of the compound in its standard state.

asked by trista on April 22, 2008
37. ## Analytic Geometry

Simplify the given equation and graph x^2-xy+y^2-3=0 (please answer. Needed for my studies tonight. This is about rotation of axes. Thanks PS: i will really appreciate your response. :)

asked by Earis on May 3, 2016
38. ## Chem

What is the balanced net ionic equation for magnesium metal being placed in a solution of gold(3) chloride ?(with steps please)

asked by Amanda on September 8, 2015
39. ## Biochemistry

What is the net ionic equation for Phosphate ion + ammonium molybdate in the presence of nitric acid?

asked by Help on September 27, 2010
40. ## Maths

The sum of three consecutive numbers is 51. Find the largest number. Also write the equation to solve the problem

asked by Jannie on October 7, 2010
41. ## PreCAL

Write an equation in slope–intercept form of the line with the given parametric equations. x = 9t + 2 y = –6t + 9 Answer Choices (A) y=-2/3x-3/7 (B) y=-3/2x+3/31 (C) y=31/3x-2/3 (D) y=-2/3x+31/3

asked by PreCAL on January 24, 2014
42. ## Chemistry

What is the equilibrium constant for a weak acid HA that dissociates 1% at an initial concentration of 0.05 M according to the following balanced chemical equation? HA H+ + A-

asked by Student on March 8, 2016
43. ## math

Question Part Points Submissions Used You have been hired as a marketing consultant to Johannesburg Burger Supply, Inc., and you wish to come up with a unit price for its hamburgers in order to maximize its weekly revenue. To make life as simple as

asked by matt on March 15, 2019
44. ## English

Can some check my personal narrative and give a grade from 1-5? Mario Garcia 10-10-11 Period.3 The Lost Dog I didn’t feel like helping my sister wash my dad’s car. After our dog left this morning we were both sad, we didn’t feel like doing anything

asked by Mario on October 10, 2011
45. ## Algebraic expressions

Please can you give me an algebraic expression for the following I am litterally racking my brain on this, please Rita has \$315 in the bank. This amount is three times the amount that Fred has. How much does Fred have? Use f to represent Fred's amount

asked by Tanya on March 2, 2010
46. ## Music

My question is what compositional techniques were used in the 20th century? I have looked everywhere including my book and cannot find compositional techniques defined. Can you give me the definition of compositional techniques and then maybe I can figure

asked by Cynthia on February 15, 2008
47. ## Algebraic expressions

Please can you give me an algebraic expression for the following I am litterally racking my brain on this, please Rita has \$315 in the bank. This amount is three times the amount that Fred has. How much does Fred have? Use f to represent Fred's amount

asked by Tanya on March 2, 2010
48. ## chemistry

A 30 ml sample of unknown strong base is neutralized after the addition of 12 ml of a 0.150 M HNO3 solution if the unknown base concentration is 0.0300 M give some possible identities for the unknown base

asked by mathew on October 1, 2014
49. ## calculus

Let g be the function give by g(x) = x^4 - 4x^3 + 6x^2 – 4x + k where k is constant. A.On what intervals is g increasing? Justify your answer. B.On what interval is g concave upward? Justify your answer. C.Find the value of k for which g has 5 as its

asked by Equihua on January 4, 2013
50. ## chemistry

30 ml of sample of unknown strong base is neutralized after the addition of 12 ml of a 0.150 M HNO3 solution if the unknown base concentration 0.0300 M give the possible identities for the unknown base

asked by mathew on September 27, 2014
51. ## Linear equations algebra

a) The sales representative here tells you they also have two floor plans available, but they only have 38 homes available. Write an equation that illustrates the situation. Use x and y to denote floor plan #1 and floor plan #2 respectively. X + Y = 38 b)

asked by Aleta on October 19, 2009
52. ## Math

The bus stations in Trawlwy and Fenton are 220 miles apart. A bus left Trawley for Fenton at 9:00am. Traveling at 40 miles per hour. One hour later, an express bus left Fenton for Trawley traveling along the same road at 50 miles per hour. At what time did

asked by Miranda on May 5, 2012
53. ## Algebra

The bus stations in Trawlwy and Fenton are 220 miles apart. A bus left Trawley for Fenton at 9:00am. Traveling at 40 miles per hour. One hour later, an express bus left Fenton for Trawley traveling along the same road at 50 miles per hour. At what time did

asked by Miranda on May 4, 2012
54. ## Biology

Hi, I am doing my lab assignment about Protein Analysis. Our job is to find the concentration of the casein protein in our original Unknown sample with the initial volume of 2ml. So after plotting the graph of the data given, we are supposed to find the

asked by Sarah on October 26, 2010
55. ## part 2

These didn't want to post for some reason, let's try again, these are the questions: 1. When a company modifies its pension benefits the way General Motors did, what name do we give the added cost? How is it accounted for? 2. What does GM mean when it says

asked by Sarah on March 19, 2008
56. ## science

Please help! I am having a hard time. Can you give me some help with the cell theory point- Cells are the basic unit of structure and function of all living things. I have to include in my essay how this point explains how humans and bacteria are alike. I

asked by Reed on September 8, 2011
57. ## math

The property restoration company puroserv is considering switching to new dehumidifiers. Their market research considering the cost of the new machines and their efficiency tells them that's them switch would give them an 80% chance of making a 20, 000

asked by Kam on March 17, 2011
58. ## psychology

Brad wonders if he will have a problem later in life with alcoholism. His father is an alcoholic and his great-grandfather had problems holding a job due to his drinking habits. After reading this lesson, Brad believes that a/an __________ study would give

asked by cindy on October 31, 2010
59. ## Art

Ms Sue, can you please check my post until Writeacher comes back? I would be extremely grateful to you. I need to rephrase this sentence. 1)Give a detailed description of Winston Smith as he appears in the opening to George Orwell's 1984. Refer to the

asked by Mike on June 6, 2012
60. ## Government

I am supposed to come up with a bill for an interest group of our choosing. I chose the American Bar Association. The bill i want to propose is " to give lawyers and law students with disabilities an equal chance at being chosen as a lawyer to be able to

asked by Anonymous on March 19, 2013
61. ## Chemistry

Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formula HCOOH + HOCH3 ==> HCOOCH3 + H2O determine this molar concentration 58g of lithium in 54-ml of water molarity = mols/L mols Li =

asked by Kellie on April 12, 2007
62. ## Physics

A car with good tires on a dry road can decelerate at about 5 m/s^2 when breaking. Suppose a car is initially traveling at 65 mph. What is the stopping distance?(give answer in meters and in feet) I changed 65mph into 29.05m/s. so I would use d-d_0 = (v^2

asked by Tammy on September 12, 2007
63. ## chemistry

From the list of compounds below identify each of their molecules: 1. Propanone C3H60 Mr=58 2. Chromium trioxide Cr2O3 Mr= 152 3.Rubidium Carbonate Rb2CO3 Mr=231 4.Neon Ne: Mr= 20.2 5. Nitrophenol C6H5NO3 Mr= 139 6. Dinitrogentetraoxide N2O4 Mr=92 Please

asked by 0oooooooo0 on October 4, 2017
64. ## Chemistry

Explain in terms of forces between structural units why H2O2 has a higher melting point than C3H8. Also, which between the two examples has a lower boiling point? NH3 or AsH3 C3H7OH or C2H5OCH3 Can you possibly give me a good website that simply explains

asked by Meg on December 9, 2009
65. ## math

A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions W inches by L inches by cutting out equal squares of side x at each corner and then folding up the sides. (W = 12 in. and L = 20 in). Find the values of x for

asked by tom on February 9, 2013
66. ## english

A comparison of the poems "quickdraw" and "the farmers bride"! Discuss the techniques used, analyse the language/structure/form explore layers of meaning and comment on the effect of the reader. E.G compare how the poets use verbs or metaphore or imagery

asked by nazrin on April 19, 2014
67. ## Homonym Sentences

Are these good sentences? I will accept anything you give me as a present, except for money. Sara could not choose between her friends, so she chose Lianna as her partner among the strangers. The teacher told Lianna to sit quietly beside her friend besides

asked by Anonymous on October 7, 2010
68. ## Algebra

The bus stations in Trawlwy and Fenton are 220 miles apart. A bus left Trawley for Fenton at 9:00am. Traveling at 40 miles per hour. One hour later, an express bus left Fenton for Trawley traveling along the same road at 50 miles per hour. At what time did

asked by Miranda on May 6, 2012
69. ## elem math core

A bag contains one each of red, blue, green, yellow and white marbles. Give the sample space for the following experiments. A) one marble is drawn at random B) one marble is drawn, but not replaced,and then a second marble is drawn.

asked by jordan on July 11, 2012
70. ## science

calculate the possibility that mother being a carrier of hemophilia with B blood group and healthy father with AB blood group can have an affected son with A blood group. give proper genotypes and crosses

asked by mustafa on December 18, 2015

I will appreciate it if anyone can help me with the following: 1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the

72. ## Honors Chemistry

I need someone to check these questions. I know its a lot of questions. 2NH3 + Ag+ Ag(NH3)2+ a. What is the Lewis acid in this equation? [Ag+] b. What is the Lewis base in this equation? [NH3] Given H2SO4 is sulfuric acid, HNO3 is nitric acid, and H3PO4 is

asked by Elizabeth on May 7, 2012
73. ## Precalculus with applications

Together, two printers can print 7500 lines if the first printer prints for 2 minutes and the second prints for 1 minute. If the first printer prints for 1 minute and the second prints for 2 minutes, they can print 9000 lines together. Find the number of

asked by Mary on November 19, 2008
74. ## math

John's account of 98.50 has been delinquent for 3 months. After 90 days office charges a 2% service charge, compounded monthly that is added to future bills. What would be the amount owed after 9 months? My math is 98.50 x 0.02 = 1.97 1.97 x 12 months =

asked by JOHNSON on May 9, 2010
75. ## French

Donnez des reponses personnelles. (Give your own answers) 1. Ce soir tu vas regarder la tele? 2. Tu vas telephoner a un copain ou a une copine? 3. Tu vas preparer le diner? 4. Tu vas aller en classe 5.Tu vas inviter tes professeurs au restaurant?

asked by BRITTNAY on April 2, 2012
76. ## How Children learn

I have most of these answered already. I want to see if I have those right, and if someone can help me figure out the ones I don't have yet. 1)Acording to Jean Piaget,in what is all learning based? A)Sensorimotor Learning MY ANSWER B)Preoperational

asked by Crissy on May 13, 2010
77. ## QSO 510

Problem 2 Build-Rite construction has received favorable publicity from guest appearances on a public TV home improvement program. Public TV programming decisions seem to be unpredictable, so Build –Rite cannot estimate the probability of continued

asked by Anonymous on March 12, 2013
78. ## algebra

im trying to help my son i have no ida about this stuff any help would be great When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v”

asked by joni on January 12, 2010
79. ## Spanish

I need homework help. Here r the directions. Write 2 statements about each of the following. Use the correct verb form and adj. that is givern. Theb give the opposite of what u wrote. 1. ella/alto ______ 2. yo/grande________ 3.el/joven________ 4.el

asked by Hannah on March 11, 2008
80. ## college chemistry

The half-life of 13252Te is 3.26 days. This isotope decays by beta emission to a highly unstable intermediate that decays rapidly to a stable product by beta emission. (a) What is the ultimate product obtained from Te-132? Write a balanced equation for

asked by brody on May 3, 2010
81. ## Socials - World War I

Hey, could someone please give me some documentary links telling about the world war I? The teacher also showed us this documentary in class, and I was trying to look for it, but I cant find, I think it was called Canada in World War I. And I had some

asked by Mysterious on October 19, 2011
82. ## maths

at a fairground, the table shows the prbability of winning an amount on a spinner. what is the minimum amount that can be charged to make profit from the game? amount 5p 10p 20p 50p prbability 0.5 0.25 0.15 0.1 can you show how you worked it out? thanks

asked by ?????? on November 25, 2012
83. ## Physics

A man holds a flower pot out a window 12m from the ground. He tosses the pot upward with a speed of 5m/s. How long does it take the pot to reach the ground? How fast is it moving just before it hits? Please show steps.

asked by Iris on September 25, 2013
84. ## Science

Acetylene gas c2h2 reaction cac2+2h2o. C2h2+Ca(oh)2 how many moles of cac2 needed to prepare 10.0 g c2h2 please show work and answer soon final question on big test review

asked by Victor on February 17, 2014
85. ## physics

Fleas can jump quite high; experiments show that they reach an altitude of 130 times their own height when they jump vertically! Suppose instead that a flea can jump so that it lands a maximum distance of 19.60 cm away. What is the take-off speed for this

86. ## Calculus

A curve is defined by the parametric equations: x = t2 – t and y = t3 – 3t Find the coordinates of the point(s) on the curve for which the normal to the curve is parallel to the y-axis. You must use calculus and clearly show your working, including any

asked by Daksh on July 18, 2014
87. ## MATH INTEREST

A FACTORY INCREASES THE PRODUCTION OF CARS ANNUALLY BY 8%. IF PRESENTLY IT MANUFACURES 211,000 CARS PER YR, HOW MANY CARS WILL IT MANUFACTURE PER YR AFTER 4 YRS... i BELIEVE THE ANSWER IS 287063 BUT IM UNSURE OF THE FORMULA... COULD YOU PLEASE SHOW FORMULA

asked by paully on November 7, 2010
88. ## Math - Trig

This is the question: Two spruce trees are 100m apart. From the point on the ground halfway between the trees the angles of elevation are 21 degrees and 39 degrees. Determine the distance, to the nearest metre, between the tops of the two trees. Show your

asked by lily on February 12, 2019
89. ## Geometry

The distance between two docks on opposite sides of a river is 90 meters. The angle formed by the river bank and the line between the docks is 53°. What is the width of the river? Round your answer to the nearest meter and show your work.

asked by Maria on October 25, 2011
90. ## physics

plz anyway help me for the solution of this question. from the top of a tower P,a ball is thrown vertically upwards.when the ball reaches a distance h below P,its speed is double of what it was at height h above P.show that the greatest height attained by

asked by jack on September 10, 2011
91. ## Trigonometry:Angles of Elevation and Depression

Due to a storm, a pilot flying at an altitude of 528 feet has to land early. If he has a horizontal distance of 2000 feet to land, at what angle of depression should he land? Please show your work. Thanks in advance.

asked by A.J on May 1, 2011
92. ## cal

The end plates (isosceles triangles) of the trough show below were designed to withstand a fluid force of 5800 lb. How many cubic feet can the tank hold without exceeding this limitation? Assuming the density is 62.4 lb/ft^3, the maximum volume is ____

asked by tony on December 26, 2013
93. ## Chemistry - Mass-Mass conversion & Percent yield

Please show work 1. N2 (g) + 3H2(g) ---> 2NH3(g) 100.0 g of nitrogen reacts completely with excess hydrogen, and 34.0 g of NH3 are obtained what is the percent yield of ammonia? 2. 2Al (s) + 3Cl2(g) ---> 2AlCl3(s) Assume that 0.40 g of Al is mixed with

asked by Anonymous on February 21, 2013
94. ## Math Help

The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make

asked by Robbi on October 19, 2016

The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make

asked by Robbi on October 18, 2016
96. ## Math Help

The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make

asked by Robbi on October 19, 2016

The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make

asked by Kal Jay on October 21, 2016
98. ## Physics

wo objects each have a positive charge. The total charge on both objects is 365 µC. When the objects are placed a distance of 1.30 m apart, each exerts an electrostatic force of 24.3 N on the other. What is the charge on each object? (Give your answers in

asked by Joe on August 25, 2014
99. ## Chem

Give the ideal bond angle for BrO3- ion? I know this has trigonal bipyramidal geometry and therefore the bond angle is < 109.5. Is there a way to determine a more specific bond angle?

asked by Lauren on February 12, 2010
100. ## English

I have an essay about difficulties in life which is based on a book I read with my class. I am having trouble finding difficulties or adversities I have had in my life. Can you please give me some examples of difficulties that you, or anybody else could

asked by Kathleen on August 20, 2013