# 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 180
1. ## Algebra

I'm trying to solve (5x-4)/(5x+4)=2/3. I don't know how to get the x's on their own. I thought that the fraction would cancel itself out so it's -1x, but that wouldn't equal 2/3. Could you show me this step-by-step? Thanks!!!

asked by Jaymie on September 28, 2009
2. ## Math

A rectangular prism has a volume of 7.875^3 and a hight of 3.5. What is the area of the base of the prism Show me the steps

asked by Dylan on May 1, 2018
3. ## Math

A rectangle prism has a volume of 6.84m^3 and a hight of 1.2m. What is the area of the base of the prism. Please show all steps in doing v this. Please

asked by Cheyenne on May 1, 2018
4. ## Math - Coordinate Geometry

The vertices of a quadrilateral are A(-2,3), B(5,4), C(4, -3) and D(-3, -4). Prove that ABCD is a rhombus. Find the area of ABCD. Please show working out, thanks.

asked by Anonymous on December 16, 2016
5. ## biomath

given lengths of the a rectangle are x and y show that the greatest rectangle having a perimeter of 200 cm square and thus find at area

asked by niati on April 9, 2011
6. ## math

x=(-5.15-5.89i)+(30/(-5.15-5.89i)) i is the square root of (-1) the answer sholud equal 10.3 x=10.3 but could you show me how , i am having problem to figure it out. thank you.

asked by layth on September 20, 2010
7. ## physics

steven throws a 3.5kg ball at a speed of 25m/s. what is the momentum of the ball? Please show work

asked by john on December 6, 2014
8. ## pre-algebra

Find the slope of the line containing the given pairs of points. If the line is undefined, state so. Please show all of your work. (-5, -2) and (-7, -2)

asked by cody on June 20, 2011
9. ## algebra

solve by using the quadratic formula prove your answer is correct by checking can someone please show me how to do this step by step 2x^2+3x+4=0

asked by johnnie on October 5, 2013
10. ## Chemistry

A hydrogen has an empirical formula CH and a vapour density of 39.Determine its molecular formula,show workings.

11. ## trigonomery

Show that the following statement is true by transforming the left side into the right side. sin θ tan θ = csc θ

asked by arezo on February 7, 2013
12. ## math am i correct

Multiply 3/5 times 25 Write your answer in simplest form. I also have to show my work it this correct? 3/5 times 25/1 15/1 = 15?

asked by scooby9132002 on July 19, 2009
13. ## English

Why Jake spend his time try to forget everyone? That be because his family not have proper relationship with him before so they not show him love and now he not know how to love so he want to be alone.

14. ## Calculus (Line Integral)

Let c be a curve w/parameterization r(t). show that the line integral of T dr equals the length of the curve where T is the unit tangent.

asked by Marie on March 18, 2016
15. ## pre-calc helpppp

Find sin x/2, cos x/2, and tan x/2 from the given information. (show work please) thank you!!! cos x = − 4/5, 180° < x < 270°

asked by John on April 21, 2012
16. ## Math

Determine whether the statement is true or false. Explain or show why. If a natural number is divisible by 7, then it must also be divisible by 21

asked by Anonymous on October 4, 2009
17. ## physics

a car rounds a curve with a radius of 45.0 m at a speed of 22.0 m/s. What is the centripetal acceleration of the car? please show work

asked by taylor on May 15, 2015
18. ## Stats.....plz help me.....

Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Errors Frequency 51-53 9 54-56 19 57-59 16 60-62 24 63-65 25

asked by Jennifer on October 14, 2011
19. ## The Writer by Richard Wilbur fast question

I still need help with these extended metaphors. I know that the house is being compared to the ship but I can't figure out what quote I should use to show that it's an extended metaphor.

asked by Cindy on November 15, 2009
20. ## Present Value simple interest

11% interest \$186.00 interest paid 140 days what was the orginal amount please show calcualtion

asked by Janine on February 18, 2011
21. ## Vectors Math

Use a specific example to prove that the cross product is also not associative. That is, use three specific vectors in 3-sapce to show that a×( b × c ) is not equal to ( a ×b ) × c.

asked by Sheliza on February 23, 2015
22. ## PHYSICS

A ball is projected horizontally with a velocity of 2.5m/s. Find its position and velocity after one second. pls show ur workings.

asked by PEACE on March 29, 2016
23. ## pre-alg URGENT

triangle ABC has coordinates. A(1,4); B(3,2); and C(4,2). Find the coordinates of the image A'B'C after a reflection over the X axis. (Show your work)

asked by KurtCornell on November 12, 2013
24. ## Algebra

A plane has a speed of p km/h in still air. It makes around trip flying with and against the wind of w km/h.Show that its average speed is p^2-w^2/p km/h

asked by Jennifer on November 5, 2013
25. ## Algebra

A plane has a speed of p km/h in still air. It makes around trip flying with and against the wind of w km/h.Show that its average speed is p^2-w^2/p km/h

asked by Jennifer on November 5, 2013
26. ## math

the graphs of the three equations below form a triangle. find the coordinates of the triangle's vertices. 4x+y=1 2x-y=5 3y+3x=12 show work.

asked by kms on May 22, 2017
27. ## AP Chemistry

A solution is prepared by titrating a 100.0 mL sample of 0.10 M HF (Ka = 7.2 × 10-4) with 0.10 M NaOH. A)What is the pH after 20.0 mL of the 0.10 M NaOH is added? Show all calculations.

asked by Anonymous on March 25, 2016
28. ## Math

Show that the transformation T:R^2->R^2 given T(x1,x2)=(3x1-5x2,x1+2x2) is linear by verifying that satisfies the definition of linear.

asked by Jason on August 13, 2010
29. ## Physics

Earth's mean radius and mass are 6,371 km and 5.97 x 1024 kg, respectively. Show that the acceleration of gravity at the surface of Earth is 9.80 m/s2.

asked by vv on September 17, 2013
30. ## math

Brown earns a dollar for every candy he sells. If he sells 30 candies, how much will he earn? Please show me the work.

asked by crystal on February 10, 2015
31. ## Chemistry

How much heat is required to warm 122g of water by 23.0°C? Specific heat is 4.184 J/g° C. Please show work:(((

asked by Wendy on May 18, 2018
32. ## math

x^2 – a^2 is called a difference of squares. Assuming one factor (the divisor) is (x – a), show by polynomial division that the other factor is (x + a)

asked by Anonymous on August 29, 2012
33. ## chemistry

Which noble gas would be expected to show the largest deviations from ideal gas behaviors, He, Ne, Ar, Kr, or Xe? Would it be He? I'm not sure how one would determine this.

asked by Anonymous on January 3, 2010
34. ## Carpentry

The side of the podium measures 13" by 46" How many side pieces can we cut from a sheet of 3/4 plywood 4' by 8'? Show your work

asked by Vianna on January 31, 2017
35. ## Linear Alebra

Show that the transformation T:R^2->R^2 given T(x1,x2)=(3x1-5x2,x1+2x2) is linear by verifying that satisfies the definition of linear.

asked by Jason on August 13, 2010
36. ## algebra 2

Write a polynomial function that has the zeros 2, -2, and -1 and has a leading coefficient of 1. Then graph the function to show that 2, -2, and -1 are solutions.

asked by danni on May 25, 2010
37. ## Chemistry

I'm having trouble with converting units. My teacher wants us to show work but I can't figure out how to do it. An example is, 35 mL = ____ dL. By showing work, how do you do that?

asked by Kayla on September 14, 2007

find the line with the given properties. Parellel to the line 7x-y= -7; containing rhe point (0,0) plz show work

asked by James on December 9, 2012
39. ## Math

Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

asked by Abhishek on January 13, 2013
40. ## Algebra

Show the similarities between dividing two fractions and dividing two rational expressions using examples of each; explain your steps

asked by Alexander on August 18, 2008
41. ## Maths-Complex numbers

If z is any complex number where |z|=1,show that using the Argand plane 1

asked by Shenaya on May 23, 2017
42. ## Math

Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

asked by Abhishek on January 13, 2013
43. ## MATH

find the slope,if any, of the line perpendicular to the line through the points (2,-7) and (3,4). i need to show my work!. i got 11 as my answer but i think its wrong.:(

asked by Anonymous on August 20, 2014
44. ## Polynomials/Math

x^2 – a^2 is called a difference of squares. Assuming one factor (the divisor) is (x – a), show by polynomial division that the other factor is (x + a)

asked by Anonymous on August 28, 2012

If you add 23.5g of NaCl to 1.2 kg of water, what will be the boiling point and the freezing point of the new solution? (Kf=1.86, Kb=0.52) (Please show work, I appreciate everything)

asked by Jasmin on November 10, 2010
46. ## Discrete Math

Let A={0,1,2,3,4}. Define a function f from A to A by f(n)=2n mod 5. a/ Is f one-to-one? b/ Is f onto? Could you show me how to solve this problem, please? I have no idea what this function is. Your help is greatly appreciated.

asked by yengiang on April 16, 2011
47. ## math

an 8- acre field can be mowed in 5 hours,how long to mow 1.6 acre?solve show steps

asked by Anonymous on December 5, 2012
48. ## algebra

Find the slope of each of the three line segments in the graph below. Please show all of your work. Between which two points is the slope the smallest?

asked by jasmen on May 10, 2011
49. ## math

Given p is true, q is false, and r is trus, find the truth value of the statement (~p^q)~r. Show step by step work.

asked by Melissa on July 17, 2011
50. ## precalculus

use the information to solve the triangle. If two solutions exist, find both solutions can you show how to work this out? A=150°,b=4.8,a=9.4

asked by Anonymous on November 27, 2016
51. ## How to calculate marks to pass with the exam

My friend has currently 62.4% and the final exam is worth 30%. She's wondering how much she should get on the exam to at least pass or boost it up. Please show the math :o

asked by Anonymous on January 23, 2011
52. ## Calculus

show that ((x − 1)/x) 1 Hint: try to apply the Mean Value Theorem to the functions f(x) = lnx and g(x) = xlnx. I'm having trouble applying the mean value theorem

asked by Po on November 14, 2016
53. ## Economics/Stats

I have data on unemployment over the past 15 years for three different groups. I would like to show that there is more volatility in several of the groups than there is in the other. What tests should I run?

asked by Ben on February 26, 2008
54. ## Algebra

If you end a game of football with 78 yards. Your l;st 2 runs were -7 & -5. Show an expression of how many yard he had before those last 2 runs. My answer is 78 -5 -7

asked by Faye on August 23, 2014
55. ## Math

The curve y=x^3-3x^2-8x+4 has tangent L at point P (1,-8). Given that the Line M is parallel to L and is also a tangent to Q show that the shortest distance between L and M is 16 root 2 Thanks

asked by Jodis on May 12, 2018
56. ## Calc

Show that f is strictly monotonic on the given interval and therefore has an inverse function on that interval. f(x) = abs. val. (x + 2), [-2, infinity)

asked by Brandon on December 6, 2010
57. ## Math

This website show the graph just copy and paste Translate triangle ABC 3 units right and 2 units down. A.(-4,-2) B.(0,-2) C.(1,-1) D.(1,3)

asked by Kit-Kat on February 9, 2018
58. ## 3 grade math ms sue

1-Two shapes can be put together in different ways. using the triangles in exercise 1,draw pictures to show an example. my son need help in here please help my son thank you

asked by dw on June 5, 2012

find a bound on the real zeros of the polynomial. f(x)=x^4+2x^3-8x-7 every real zero of f lies between -? and ? *pleasae show all work*

60. ## Remainder Theorem

Use the remainder theorem to: find the remainder when f(x) is divided by x – c, and determine whether x – c is a factor of f(x). f(x) = x^4 - 8x^3 + 9x^2 - 69x + 24 ; x - 8 Please show all of your work.

asked by Armando on May 29, 2011
61. ## Math

Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

asked by Abhishek on January 13, 2013
62. ## High School English

How did The Masque of the red death show evil? Ive read it over and over and cant seem to find evil no where in this story.

asked by Ana. on December 11, 2012
63. ## Maths: Sequences need help

The nth term of a sequences of v1,v2,v3 is given by Vn=6 2^n (1):show that for all value of n>1 Vn1=2(Vn-3)?? (2): obtain and simplify the sum of the first n term of the sequence??

asked by Collins on September 26, 2015
64. ## Math

A watch loses 30 second hour. If the watch was set right on Sunday at 11:30 p.m. What day and time did it show after 10 hours?

asked by Elis on January 21, 2018
65. ## Biology

4) If a person with blood type AB marries someone with type O, what would be the possible genotypes and phenotypes of their children? (show work if you can please)

asked by AAAA on September 16, 2012
66. ## math

Samuel is 1/2 as old as his brother. In seven years, he will be 2/3 as old as his brother will be. Find their present ages. Show each step of your work.

asked by Hawk Cleary on May 29, 2015
67. ## Math

can someone show me a step by step guide converting this please 2.483 X 10^-7 pm^4kg/s^2 to dam^3mg/day^2

asked by jake on February 2, 2010
68. ## aircondition & refrigerator

how many kj will be absorbed in changing 93kj to it at 20degree celsius to water in 40degree celsius show working

asked by eze stanley on February 28, 2015
69. ## precalculus

For the given functions f ,g , and h , find fogoh and state the exact domain of fogoh . Please show all of your work. f(x)=e^x g(x)=sqrt x h(x)=2x^2+3x-35

asked by tonia on November 11, 2011
70. ## physics

How does a wavelength of the fourth harmonic on a rope with both ends fixed compare with that of the second harmonic? Please show all work Thank you

asked by silly on May 2, 2011
71. ## chemistry

show how 500ml of 2M H2SO4 can be prepared from a bottle of the acid with 95% purity(H=1, S=32, O=16, specific gravity of H2SO4 is 1.82

asked by stephanie on April 6, 2019
72. ## Calc 3

A cooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base is 300 m and the minimum diameter, 500 m above the base, is 200 m. Find an equation describing the shape of the tower in the

asked by Becky on September 12, 2012
73. ## physics

During a “brownout,” which occurs when the power companies cannot keep up with high demand, the voltage of the household circuits drops below its normal 120 V. (a) If the voltage drops to 108 V, what would be the power consumed by a “100 W”

asked by Trace on November 23, 2010
74. ## Chemistry

Diethyl ether (also known as “ether”), C4H10O (l), is an organic compound that has long been used as a surgical anesthetic. The complete combustion of 1 mol of C4H10O (l) to CO2 (g) and H2O (l) yields ΔH °=-2723.7 kJ. a) Write a balanced equation for

asked by Feufolia on March 10, 2016
75. ## Hydrodynamics, Fluid Mechanics

Assume δxi, δzi

asked by Johan on March 5, 2019
76. ## Chemistry

I had to perform an experiment for rate of reaction. The point of the experiment was to show how changes in reactant concentration, temperature, and catalyst presence can affect the rate of a reaction. The reaction that we studied was H2O2 + 2I^- + 2H^+ ->

asked by Hannah on February 26, 2012

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

asked by Abi on May 2, 2011
78. ## Physics Urgent!!!!! I really need help with this

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

asked by Abi on May 2, 2011
79. ## math

Your employer has 600 business cards printed for you, and you give away 280 of them. To the nearest hundredth, what percent of the cards is left? A. 18.75% B. 21.43% C. 46.67% D. 53.33% i tried this formual but i couldn't do it r= p/b

asked by k on May 28, 2009
80. ## Eth 125

Posts by barkie Total # Posts: 1 eth/125 Describe other measurements sociologists utilize to calculate prejudice. Can somebody please give the answer?

asked by barkie on May 27, 2010
81. ## Linear Algebra

Let T be the plane −y+2z = −8. Find the shortest distance d from the point P0=(−5, 4, 2) to T, and the point Q in T that is closest to P0. Use the square root symbol '√' where needed to give an exact value for your answer. d = 0 Q = (0, 0, 0)

asked by Sara on September 30, 2018
82. ## world events

could someone just give me a brief summary on iraqs ties to hezbolllah. don't worry i am not asking you to type me this for homeowkr or something. I am studying for a test and I don't really understand the situation.

asked by Anonymous on June 11, 2008
83. ## Math

A square field has an area of 479 ft2. What is the approximate length of a side of the field? Give your answer to the nearest foot. A. 240 B. 23 C. 22 D. 21

asked by Martin1162 on May 3, 2016
84. ## english

I'm writing an essay on Substance Abuse. Its an informative essay and I am having trouble coming up with a topic. Can you please give me some suggestions? I am leaning towards something to do with marijuana possibly...

asked by Julie on June 15, 2012
85. ## finance

Calculate the rate of interest compounded yearly (j) equivalent to 8% pa compounded quarterly. Give your answer as a percentage per annum to 3 decimal places.

asked by Michelle on April 24, 2010
86. ## Chem

Give the formula for the conjugate base of each acid. A.HSO4- B.H3PO4 C.HPO42- I have my answers as h2so4 h2po4 h2po4- my answrers are wrong, please help

asked by Danny on March 18, 2014
87. ## MGMT303

1. (TCO 2) Organizations have both an internal and an external environment. Describe the general environment and give at least one specific example of each dimension, other than the examples given in the text and in the lectures

asked by Simon on August 29, 2013
88. ## Calc 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = 5th root(x), 0 ≤ x ≤ 32

asked by TayB on May 14, 2015
89. ## Writing

I have to write my rough draft for a research paper. I have to include a thesis statement and an attention grabber. Can someone give me some examples of attention grabbers please?

asked by Courtney on April 25, 2011
90. ## government

a house district drawn to give an advantage to one political party is a. an off-year election b. a single-member district c. a gerrymander d. a census c.

asked by jere on January 3, 2008
91. ## paper on horsemen arena in lexington,KY

I'm writing a paper on the Lexington horsemen arena in lexington,KY I'm having difficulty with my research. can anyone give any information regarding this football team and its financial trouble.

asked by Rai on April 26, 2008
92. ## physics

Explain how voltage current and resistance could interact to give a person a severe electrical shock if he or she touched an electrical wire in the wrong way.

asked by Lila on November 11, 2007
93. ## ms.sue english check

i talk to you about a two paragraph essay and you help me chhose boxing and give me a intro is there anyway i can write my essay now and you can grade it or tell me what i got wrong fixmy mistakes and tell me if its good.thank you i will appreciate it. :)

asked by henry on July 31, 2009
94. ## English

Hello. I wonder if English has certain rules concerning word division (I mean when there isn't enough space for a word on the line (or-ga-nize). I will appreciate it if you give a reference (if any)to this material. Thank you for all your detailed answers.

asked by Ilma on December 7, 2010
95. ## chemistry college

Give two advantages and two disadvantages to using the biuret reaction to measure protein concentration compared to measuring the protein absorbance directly at 280nm.

asked by Rebecca on September 27, 2018
96. ## college courses

hi, i was wondering about college. let's say i want to major in interior designing, what suggestions would you have for my first year courses. i know that i'm supposed to get the basics over with. what woudl those be. and what about second year. please

asked by y912f on November 2, 2009
97. ## math,algebra

how do you solve this problem 3 and 1/3 subtracted by 1 and 2/3? Change the mixed number back to fractions with a common denominator. That would give you 5/3 subtracted from 10/3. How many thirds are left?

asked by jasmine20 on December 16, 2006
98. ## English -ms. sue

ms. sue do the character Mr. Freeman in movie Speak be good representation of rosemary in WFE? He give the main character Melinda encouragement.