# 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 115
1. ## Algebra

1. A printer can print 40 pages in 1.6 minutes. a. Write and solve a proportion to find the number of pages that the printer can print in 5 minutes. Show your work. b. Lana wants to use the printer to print 150 pages. Find the time, in minutes, it will

asked by Anonymous on June 13, 2014
2. ## Chemistry

According to the balanced equation 6 moles of carbon dioxide will react with 6 moles of water to produce 1 mole of sugar and 6 moles of oxygen. What are the molar masses of the following compounds from the photosynthesis equation? CO2=___________g=1 mole

asked by Lyssa on February 4, 2012
3. ## English

1. If you are driving your car now, come here immediately and give me a ride home. ( Is this one correct? In this sentence, the driver is in the middle of driving his car. Is that right?) 2. If you are driving your car after work, give me a ride home. ( In

asked by rfvv on May 17, 2016
4. ## Reposted - math - Ashley's other question

http://www.jiskha.com/display.cgi?id=1169164297 Posted by Ashley on Thursday, January 18, 2007 at 6:51pm. px+qy=r 2px-qy=2r find the solution. For Further Reading math - bobpursley, Thursday, January 18, 2007 at 7:09pm There are five unknowns here: p, q,

asked by Writeacher on January 19, 2007
5. ## Algebra 1 urgent

(a) The surface area of the prism shown is 314 square meters. Write an equation that u can solve to find the value of w. side a=wm b=8m and c=(w+4)m (on the picture) I'm guessing u use the formula surface area=2ab+2bc+2ac??? Well if so I need all that

asked by Taylor on September 5, 2013
6. ## Precalculus

Suppose daily operating profit, in dollars, for a movie theater is a function of the number of tickets sold with the rule P(x)=8.5x-2,500, for 0≤x≤1,000. a) Explain why the profit function has an inverse b) P(400)=900. Rewrite this equation in terms of

asked by Gabriel on February 10, 2013
7. ## Math

Maria plots the locations of 4 places on a coordinate grid as given below Her house is at (−4, 9). Her school is at (−4, 3). The community center is at (1, 3). The grocery store is at (−4, −8). Part A: Use absolute values to calculate the distance

asked by Dylan on December 8, 2017
8. ## algebra

1 1 7 -y - -= - 2 8 8 please help me! It isn't clear to me what this expression means. Can you clarify it? (one-half times "y") minus one-eighths equals seven-eighths or (1/2 * y)- 1/8= 7/8 solve the equation, then check your solution. Ok, this is how I

asked by Nikki-Ole on September 22, 2006
9. ## English 7 - Essay Check

Perseverance means to never give up during difficult times. For example, people may choose to persevere after experiencing a serious injury. Rosa Parks is a former civil rights leader. Rosa Parksâ€™ words and actions showed that she persevered in

asked by Laruen on January 29, 2012
10. ## math

Shelby can paint a room in 4 hours. Zoe can paint the same room in 7 hours. How long will it take them to paint the room if they work together? If they start 9:30a.m., and want to see a movie that is playing 45 minutes from their house and starting 12:00

asked by muffy on September 12, 2009
11. ## graphing

given order pairs (-4,-2) and (-1,-5), develop an equation in the slope intercept format first solve for the slope (m) then in the equation in the slope intercept format y=mx+b

asked by Pat on November 9, 2010
12. ## Calculus

1) An equation of the line contains points (7/9, 7) and (-7/9) is 2) Find the slope of the line tangent to the curve y=x^2 at the point (-0.6, 0.36) and find the corresponding equation of the tangent line

asked by Seth on January 28, 2015
13. ## math

how do i write an equation in point slope form when the slope= -1/2 and it passes through (5,-8) and then how do i write an equation for the line in slope-intercept form? thanks

asked by Jay on April 8, 2009
14. ## chemistry

When the equation Fe2(SO4)3(aq) + 3Ba(OH)2(aq) ! is completed and balanced, a term in the balanced equation is 1. 2 Fe(OH)(s). 2. 2 Fe2(SO4)3(aq). 3. Ba2(SO4)3(aq). 4. 2 Fe(OH)3(s).

asked by lynn on November 6, 2011
15. ## Probability

Fred is giving away samples of dog food. He makes visits door to door, but he gives a sample away (one can of dog food) only on those visits for which the door is answered and a dog is in residence. On any visit, the probability of the door being answered

asked by qwerty on April 29, 2014
16. ## MTH233/statistics UOP

Clickfraud has become a major concern as more and more companies advertise on the Internet. When Google places an ad for a company with its search results, the company pays a fee to Google each time someone clicks on the link. That’s fine when it’s a

asked by sue on July 27, 2010
17. ## Algebra

Hi! Can you please re-check my answers. Mt teacher said some of them are not right but when I do it again, I still come up with the same answer. This is about Variations. Thanks! 1. What kind of variation equation is a=kbcd --> my answer is joint variation

asked by McKenna Louise on December 12, 2013
18. ## MATH/ Check?

Correct. what is pi The definition or the number? The number is 3.14159 but that isn't an exact number. pi doesn't have an exact number except by definition and that is in words and not a number. The ellipse in question above( is translated 4 units to the

asked by bobpursley on December 4, 2006
19. ## English 8R - Homework Check - Part 2

Here's the second one: Please check to see if there any grammar errors and if it's good. BTW ---- If you NEVER heard of the movie Google it and read about it on Wikipedia. Urban Unit 2012 - Stand and Deliver Response Would you be willing to give up your

asked by Laruen on November 12, 2012
20. ## algebra

Find the slope- intercept equation of the line that has given characteristics slope 7.7 and y-intercept ( 0,-5). The slope-intercept equation is y= I came up with y= -2 am I close

asked by sonia on October 22, 2009
21. ## algebra

heres one. find the slope intercept equation of the line that has the given characteristics. slope 2 and y=intercept (0,3) the slope -intercept equation is y=

asked by me on December 20, 2009
22. ## science

How many grams of hydrochloric acid are required to react completely with 4.30g of zinc? How many molecules of gas will be produced? 1. Write the balanced chemical equation. Zn + 2HCl ==> ZnCl2 + H2 2. Convert grams Zn to mols. mols = grams/atomic mass Zn.

asked by Josh on March 17, 2007
23. ## Finite Math

Please help...i'm totally lost with this one. Construct a linear program for the following situation. Do not solve. A hotel is refurbishing its rooms, each type of which will accommodate either one or two persons. A one-person room requires 2.5 hours of

asked by Jen on December 3, 2008
24. ## physics

The caber toss is a traditional Scottish sport that involves hurling a caber, which is essentially a large piece of a tree: a caber is a 6 m long, 80 kg tree trunk. Large strong people hurl these and the goal is to get the caber to land as far away as

asked by ayan on March 29, 2013
25. ## math,correction

The problem states: In planning for a new item, a manufacturer assumes that the number of items produced X and the cost in dollars C of producing these items are related by a linear equation. Projections are that 100 items will cost \$10,000 to produce and

asked by Jasmine20 on January 24, 2007
26. ## PHYSICSS

Question In an experiment a gas was found to obey the following equation of state: (P + 10^3)V = 2.5 x 10^4 J Find the work done when the gas expands from 1 m3 to 3 m3. _______ the answer is suppose to be 2.55 x 104J ____________ what i did so far 2 ways i

asked by Kimora on November 12, 2008
27. ## Physics...

Question In an experiment a gas was found to obey the following equation of state: (P + 10^3)V = 2.5 x 10^4 J Find the work done when the gas expands from 1 m3 to 3 m3. _______ the answer is suppose to be 2.55 x 104J ____________ what i did so far 2 ways i

asked by Kimora on November 12, 2008
28. ## chemistry

what is the net ionic equation for the following molecular equation. HNO3 is strong electrolyte and CH3COOH is weak electrolyte. NaCH3COO(aq)+HNO3(aq)----->NaNO3(aq)+CHOOH(aq) the same question says use H+ for the hydronium ion, CH3OOH for acetic acid and

asked by Kay on March 1, 2014
29. ## Math (TRIG)

Please help me set up these problems. 1.) Find an equivalent equation in rectangular coordinates. r(1 - 2 cos θ) = 1 2.) Find a rectangular equation for the plane curve defined by the parametric equations. x = sec t, y = tan 3.) A projectile is fired with

asked by Amber on December 8, 2014
30. ## phyics

A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. a) Show that the dart moves inside the barrel for a time of 2L/v Express your answer in terms of

asked by sarah on September 20, 2015
31. ## GRADE 12 APPLIED MATH

The Problem: Create a quadratic function to model the height of an object thrown into the air with the following conditions The maximum height is between 90 and 100 m The object is starts on the ground The object takes at least 10 s before returning to the

asked by V on January 27, 2018
32. ## science

i need help with the essay part of my exams so if you would answer any of these questions for me id be glad to study them, knowing ill get them right. *explain how parasites are different from scavengers.give an example each. *how would seasons on earth be

asked by marina on May 29, 2007
33. ## MATH (ASAP)

Jay and Tia are planning to buy snack chips. • Individual bags of chips cost \$3.00 each. • Each case of chips contains 10 bags and costs \$25.00. a. If Jay buys 1 case of chips, what is the cost per bag? Show or explain how you got your answer. b. How

asked by Frances on March 4, 2012
34. ## Physics

1) If two gliders of equal mass equal and opposite initial veloity collide perfectly elastically, using the given equation, what are the final velocities of the gliders in terms of the initial velocities equations: MaVa + MbVb = MaV'a + MbV'b (momentum)

asked by Anonymous on February 17, 2016
35. ## Math

Ian gets \$9 for each hour he works and \$10for each day he works. To find out how much he makes in a day, he made the equation y=9x+10x, where x is the number of hours he works. Explain why Ian's equation will not tell him how much he makes in a day.

asked by Monique on April 16, 2015
36. ## Chemistry

Only a chemist can be trusted with the combination to the safe containing a ton of money. The combination is the pH of solution A, followed by the pH of solution C. (for example: is the pH of solution A is 3.47 and the pH of solution C is 8.15 the

asked by Dan on April 30, 2007
37. ## English

Need these answered soon please! 10.   The author of “My Brother’s Keeper” emphasizes Jamie’s conflict by describing the car accident in detail.*** detailing Jamie’s physical appearance and good grades. flashing back to earlier events with his

asked by Maria on October 8, 2016
38. ## Physics

A ball rolls horizontally off the edge of a tabletop that is 1.80 m high. It strikes the floor at a point 1.42 m horizontally away from the table edge. (Neglect air resistance.) (a) How long was the ball in the air? (b) What was its speed at the instant it

asked by some1 on February 6, 2008
39. ## Chemistry

Given acidity constant,Ka of benzoic acid is 6.28 X 10^-5. pH of 0.15 molar solution of this acid is ? Here is my method: Benzoic acid is a weak acid,hence it dissociates very little. So: C6H5COOH---> C6H5COO- + H+ [H+] and [C6H5COO-] are yet to be

asked by Meenaakshi on March 23, 2012
40. ## MATH

solve 1-(2/x)=2/(x+2) Express your answer in simplest radical form. What is radical form ne how? 1-(2/x)=2/(x+2) Multiply both sides by x(x+2): x(x+2) - 2(x+2) = 2x Note that we cannot allow x to be 0 or minus two because for these values the original

asked by Shay on January 17, 2007
41. ## algebra 2

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 or vertical. Then rewrite your equation for each conic in standard form, identify (h,

asked by jenny on May 27, 2012
42. ## algebra 2

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 or vertical. Then rewrite your equation for each conic in standard form, identify (h,

asked by jenny on May 27, 2012
43. ## MATHS

a parabola passes through the points (1,1) , (2,0) and (3,1) the equation of the parabola is y=ax^2 + bx + c a) write down a system of equations representing this parabola. b) solve the corresponding system and hence write down the equation of the parabola

asked by MOHAMMED on September 28, 2010
44. ## Math

find an equation for a plane parallel to the xy-plane; does not pass through the origin. (I know how you would find the equation if it says passes through a certain point. But I'm confused how to do it if it says does not pass through certain point)

asked by Anon on June 3, 2017
45. ## Math

5) Write an equation in point-slope form with the given: (5,-8),(5,8) 8) Write an equation in slope-intercept form for a line that passes through the point (2,-5) and is parallel to y = 11 : )

asked by Alex on February 2, 2016
46. ## Chemistry

Need to write a balanced chemical equation for the reaction between hydrogen selenide and tin. I know that the hydrogen selenide decomposes producing solid tin selenide and hydrogen gas but how would I balance that in the equation. Any help gratefully

asked by Mac on January 7, 2007
47. ## Algebra3!!!!

How would you would graph the linear equation y = -2x + 6? First plot the point (6,0) and then count up two and to the right 1. First plot the point (6,0) and then count down two and to the right 1 First plot the point (0,6) and then count up two and to

asked by Margie on October 14, 2006
48. ## Chemistry

A compound containing 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide and water. What element should you look at first in balancing this equation? A. oxygen

asked by William on November 7, 2009
49. ## Physics

For which of the following situations can the equation F = mg not be used to calculate the force due to gravity? a) The pull of gravity on an apple on the surface of the Earth. b) The pull of gravity on an airplane flying at an altitude of 8 km above the

asked by Kelvin on November 19, 2012
50. ## Math

3. A study shows that 72% of graduates from local high school attended college. What fraction of the graduates attended college? A.18/25 B.17/25 C.13/25 D.1/2 E.3/8 A 6. The model below represents the equation x+4=4x+2 The first box shows one x and has

asked by Jerald on November 2, 2013
51. ## Pre Algebra

Please help me with some problems. Thank you! Solve the equation by square root property. 3. 2x^2 = 26 I don't understand how to solve this problem. Solve the equation using the quadratic formula. 7. 7x^2=-8x -2 This is what I got x= -8 -or+ square root

asked by Nikki on August 18, 2007
52. ## intermediate econ

You buy only apples and bananas. Your budget is such that you can purchase 3 apples and 4 bananas or 9 apples and 2 bananas. Write down the equation for the budget line with bananas on the y-axis. Is that equation unique? I believe the answer is:

asked by Teri on June 23, 2009
53. ## Algebra

Two companies sell software products. In 2010. Company 1 had total sales of \$17.2 million. Its marketing department projects that sales will increase by \$1.5 million per year for the next several years. Company 2 had total sales of \$9.6 million for

asked by kim on March 11, 2012
54. ## Discrete Math

True or False? Homogeneous linear recurrence equations are linear combinations of power functions. I think the answer is false because although a homogeneous linear recurrence equation is a linear combination, it is composed of constant coefficients.

asked by Sarah on May 31, 2013
55. ## Algebra II

I am lost on this one!!! 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 or vertical. Then rewrite your equation for each conic in

asked by Jared on May 28, 2012
56. ## chemistry

hey drbob222 do you think you could help me out with this lab. Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in cells. Materials: balance steel can tin electrode power source wire lead (x2) tin (II)

asked by unknown on April 14, 2008
57. ## Geometry

Need help please: (3,0) (7,6) (x-7)2 + (y-6)2 = 7(2) (x-7)2 + (y-6)2 = 49 Having difficulty with this problem.Can someone help? geometry - Reiny, Saturday, March 31, 2012 at 8:07am You don't say what the actual problem is. I see the resemblance to finding

asked by Kel on March 31, 2012
58. ## maths

for this quadratic equation: y2-4y-16 = 0 which two options are correct solutions, rounded to three decimal places? 1) -4.483 2) -3.243 3)-2.472 4) -1.472 5) -0.536 6) 5.243 7) 6.472 8) 12.443 You have to use the quadratic equation, we will be happy to

asked by angel on April 15, 2007
59. ## Math

Bobbie delivers pizza after school. The price of each pizza he delivers is \$14. There is also a \$3 delivery charge. To calculate the cost of a customer's order before taxes, he uses the equation t = 14p + 3, where t is the cost before taxes and p is the

asked by Osarhemen Igbinosun on July 24, 2018
60. ## Algebra

Bobbie delivers pizza after school. The price of each pizza he delivers is \$14. There is also a \$3 delivery charge. To calculate the cost of a customer's order before taxes, he uses the equation t = 14p + 3, where t is the cost before taxes and p is the

asked by Osarhemen Igbinosun on July 24, 2018
61. ## Geometry

Need help please: (3,0) (7,6) (x-7)2 + (y-6)2 = 7(2) (x-7)2 + (y-6)2 = 49 Having difficulty with this problem.Can someone help? geometry - Reiny, Saturday, March 31, 2012 at 8:07am You don't say what the actual problem is. I see the resemblance to finding

asked by Kel on March 31, 2012
62. ## College Algebra

A manufacturer of radios estimates that his daily cost of producing x radios is given by the equation C=350+5x. The equation R=25x represents the revenue in dollars from selling x radios. *Profit function,P(x)=R(x)-C(x),P(x)=20x-350 *How many radios should

asked by Ana on February 9, 2012
63. ## Calculus

A rancher wants to build a rectangular pen with an area of 150 m2. Let W be the width of the pen and L be the length of the pen. a. Find an equation for the perimeter P in terms of W and L . b. Use the given area to write an equation that relates W and L .

asked by Lily on May 26, 2013
64. ## Texas History

Check my answers? Which of the following shows the influence of the U.S. Constitution on the Texas Constitution? A. the executive branch has the most power B. existence of a bill of rights ** C. provisions promoting legislative over judicial power D.

asked by |-/ on May 1, 2018
65. ## Trigonometry - Checking my work

Find the sum of the three smallest positive values of theta such that 4 cos^2(2theta-pi) =3. (Give your answer in radians.) Hi guys, I've been struggling with this problem. Here's my thinking about the problem: we can rewrite the equation as

asked by Sam on October 30, 2013
66. ## statistics

In this question, use Excel functions rather than Normal distribution tables. The number of new cars sold by "Ma's New Car Factory" in a financial year can be approximated by a normal distribution with a mean of 125,000 cars and a standard deviation of

asked by Sylvia on September 11, 2014
67. ## chemistry-gases-ppm

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
68. ## Statistics (Probability)

I just asked a question a few minutes ago. But this is the last two questions I need help with. I have tried a couple different answers for both and still can't seem to get the correct ones. Four draws are going to be made at random with replacement from

asked by Lilly on June 2, 2018
69. ## Maths

solve by Gauss elimination x+y-z=2 -x+3y +z=3 4x-y+3z= 5 show work for each step please

asked by Chris William on March 29, 2011
70. ## mushi

Solve for d Spherical triangle whose parts are C = 89, a = 70°, b = 60° please show me ste

71. ## Intermediate Math

Rationalize the denominator. 2 / squareroot7+squareroot3 Please show steps

asked by Skylar on December 13, 2011
72. ## chem-

Draw the structures of the two monomers that yield Nomex®. can someone show me?

asked by Samantha on January 12, 2013
73. ## Math - Write expression as single logarithm

Write the expression below as a single logarithm. Please show all of your work. ln((x^2 – 1)/(x^2 – 6x + 8)) – ln((x+1)/(x+2))

asked by CheezyReezy on June 6, 2011
74. ## statistics

Let X be a Binomial random variable with parameters n and 0 < p < 1. Show that lim E(1+X)·E(1+X)·E(1/1+X)=1. n→∞

asked by Jeremy on November 15, 2014
75. ## statistics

Let X be a Binomial random variable with parameters n and 0 < p < 1. Show that lim E(1 + X) · E(1/1 + X)= 1. n→∞

asked by Jeremy on November 15, 2014
76. ## math

show me how to convert a decimal into a fraction in simplest form

asked by Diego on May 21, 2008
77. ## math

Let X be a Binomial random variable with parameters n and 0 < p < 1. Show that lim E(1 + X) · E(1/1 + X)= 1. n→∞

asked by Jeremy on November 15, 2014
78. ## Math

solve the systems of equations algebraically. please show all your steps. y=x^2+2x y=3x+20

asked by Black Rose on April 28, 2016
79. ## math

What is the least number place value blocks you need to show 4,200? The greates?

asked by Carmen on October 4, 2013
80. ## chemistry

A solution of potassium chloride has a pH of 7.81.What is the [OH-] in mol/L ? Can you please show steps I would appreciate it very much. Thank you

asked by Amber on May 25, 2008
81. ## Math

Please factor 8x^2+18x-5 It would be appreciated if you show the steps. Need this ASAP...Thanks (:

asked by NeedHelp 1 on January 25, 2011
82. ## Geometry-8th gr

IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.

asked by Mona on January 31, 2013
83. ## physics

show that none of the principal moments of inertia can exceed the sum of the other two Please help me thank you

asked by rhea on December 4, 2012
84. ## Trigonometry

The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!

asked by Katy on December 26, 2010
85. ## math

4c=16 c=___ i know the answer but i have to show the work. It is complicated. pleeese help! 4c=16 4 4 c=4

asked by Alex on March 26, 2007
86. ## geometry

M is the midpoint of segment AB, AM=2x+4 and AB=12x+4. What is the value of MB? Show your work for credit.

asked by _ on July 31, 2009
87. ## Trigonometry

The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!

asked by Katy on December 26, 2010
88. ## Math Word Problems

If I have 12 brownies and Sue eats 2/3 of them, how many do I have left? Please show me the work.

asked by Kalelha on March 10, 2015
89. ## Math

Solve the system of equations algebraically. Show all of your steps. Y=x^2+2x y=3x+20

asked by Subhanhassan on May 3, 2016
90. ## Trigonometry

The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!

asked by Katy on December 26, 2010
91. ## Math

Can someone show me how to calculate the inner quartile range for the data set given? { 72, 80, 80, 82, 88, 90, 96}. Thanks.

asked by B.B. on July 29, 2009
92. ## chemistry(balance equation)

How to balance HNO3 +Cu ------->Cu(NO3)2+NO+H2O ? please show me steps

asked by kate on January 19, 2012
93. ## Math

I need help with the below math problem. I have to write out the steps to show the answer. 2(x - 14) + 3 = 7x + 5

asked by Laura on May 1, 2014
94. ## math

What is 461,592 x 308? Show and explain answer

asked by Anonymous on January 29, 2013
95. ## Health

Should pulses ever show a deficit??? Would the apical pulse ever be less than the radial??

asked by John on May 17, 2007
96. ## math

Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18

asked by Alex on January 26, 2015
97. ## math

Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18

asked by Alex on January 26, 2015
98. ## chemistry

Are the following quantum number combinations allowed? Else show any one way to correct them. a. n = 2, l = 0 m = -1 b. n = 4, l = 3 m = -1 c. n = 1, l = 0 m = 0 d. n = 3, l = 1 m = -2

asked by Brittany on December 2, 2009
99. ## life orientation

Show the link between intrapersonal conflict and initiating relationship

asked by Anonymous on February 25, 2015
100. ## Physics

convert 220 degree into radians show work.

asked by Anonymous on April 10, 2014