# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,330 questions, page 473
1. ## Math

Show that A = [3 2 4 2 0 2 4 2 3] is distinguishable even though one eigenvector has algebraic multiplicity 2. Do this by brute force computation. Why would you expect this to be true, even without calculation? Then, for the A, write A= Q lambda Q^(T)

asked by Christopher on July 12, 2012
2. ## To Kate - math post

I have removed your latest post for two reasons: 1. Do not put any teachers' names in your subject or name. 2. You have not shown that you have done any thinking about this problem. If you repost, be sure to show what you have learned so far and state what

asked by Writeacher on February 5, 2009
3. ## fish tank;; deals with volume. :]

A cylinder shaped fish talk is 40cm high and has a radius of 12cm. The tank with be layed with a decorative gravel on the bottom. The blue layer will be 2 cm high. The yellow layer will be 3 cm high. And the green layter will be 2cm high. [assume water

asked by blah. volume... on October 28, 2007
4. ## Physics

How would a physics expert respond to the following suggestions made by three airline executives? Write a script of the expert's response for performance in front of the class. Airline Exectutive A: Since the earth rotates from west to east, we could

asked by Becca on December 20, 2006
5. ## Physics

Four 1,000,000- kg masses are arranged in a square, 150 meters on a side. To the nearest ten thousandth of a Newton, what is the magnitude of the force the mass in the lower left hand corner? Can someone please explain this to me in a detailed manner? I

asked by Skyler on August 13, 2010
6. ## English

I went to a retrospective art exhibition(Joe Fafard's). I have these questions that must be answered for my essay. I'm supposed to make an essay out of it. There's one question I made up but I don't know how to answer it properly since I have NO idea

asked by Hodo on March 16, 2008
7. ## Literature

'Look around your community's sidewalks, streets, transportation system, and public buildings. How easily can a person with a disability get around? Write a letter to the editor of your local newspaper expressing your views about what changes need to be

asked by mysterychicken on December 29, 2009
8. ## Science

1. Which of the following types of waste should not be recycled at home? a. expired medicines b. glass bottles c. papers d. plastic bags 2. Which of the following is NOT a method of disposing hazardous wastes? a. burying them in deep rock layers b.

asked by Calvin on May 19, 2014
9. ## Math

A game is played by throwing darts at a target. A player can choose to throw two or three darts. Darcy plays two games. In Game 1, he chooses to throw two darts, and wins if he hits the target at least once. In Game 2, he chooses to throw three darts, and

asked by Anonymous on November 30, 2014
10. ## Math

A game is played by throwing darts at a target. A player can choose to throw two or three darts. Darcy plays two games. In Game 1, he chooses to throw two darts, and wins if he hits the target at least once. In Game 2, he chooses to throw three darts, and

asked by Anonymous on December 1, 2014
11. ## english

2. Which of the following is the best reason to use visuals in a research presentation? A)) to illustrate your main point in an engaging manner B)) to illustrate any topic with data in percentages C)) to show different ways of looking at the same

asked by dd on April 6, 2015
12. ## American Gov

The highest priority for most members of congress: A)ensuring that the constitutional system of checks and balances works properly. B)supporting his or her party's legislative platform C)getting reelected D)gaining a reputation among other members of

asked by Amanda on July 13, 2011
13. ## Statistics

Calculate the number of new shelving units needed for a medical record filing system based on eight shelves per unit at 36 inches per shelf. The average record size equals 0.30 inches, and the center anticipates seeing 4,500 patients the first year.

asked by Linda on April 9, 2016
14. ## S.S.

9. Under America's second party system, the Whigs stood for A. policies that directly supported commercial enterprises. B. policies that kept government hands off business and industry. C. a "liberally negligent" state. D. a "negative liberal state."

asked by Sarah on October 23, 2014
15. ## history

Under America's second party system, the Whigs stood for? A. policies that kept government hands off business and industry. B. a "negative liberal state." C. a "liberally negligent" state. [D. policies that directly supported commercial enterprises ] my

asked by jake on November 30, 2011

Should debtors who voluntarily incurred debts such as purchase of a home theater system be able to receive the same benefits of filing bankruptcy as individuals who incurred debts involuntarily, such as emergency medical bills? Explain and support your

asked by Patte on July 11, 2016
17. ## science

Particles of mass 3m and 5m hang one at each end of a light inextensible string which passes over a pulley.the system is released from rest with the hanging parts taut and vertical.during the subsequent motion the resultant force exerted by the string on

asked by nishat on November 5, 2016
18. ## Medical billing and coding

In what model of the integrated delivery system do physicians keep their own offices but share administrative and management services with other managed care organizations? A)group practice without walls B)physical hospital organization C)management

asked by Yorhe on January 10, 2013
19. ## physics

if a piece of aluminum with mass 3.99g and a temperature of 100C are dropped into 10cm^3 of water at 21C, what will be the final temperature of the system? The specific heat of aluminium is .900J/gC... ok so i know that i set both equal to each other, but

asked by garrick on April 22, 2009
20. ## American History

The federal government sets requirements that all public schools must follow, while state governments set standards listing what students need to learn. This is an example of what constitutional system? A. dual federalism B. cooperative federalism C.

asked by Anon on November 27, 2016
21. ## Physics

Two masses ( 2.3 kg and 4.2 kg) connected by a massless rope hung over opposite ends of a frictionless pulley. Each mass is initially 1.50 m above the ground, and the top of the pulley is 6.5 m above the ground. What maximum height does the lighter object

asked by John on November 9, 2014
22. ## History

Yes or no. To have a favorable balance of trade, a country must sell fewer goods to other countries than it buys from other countries. Yes or no.Money is an example of an capital resource. Yes or no.In our economic system, people receive wages for

asked by Jacob on September 12, 2010
23. ## American Government

The federal government sets requirements that all public schools must follow, while state governments set standards listing what students need to learn. This is an example of what constitutional system? A. dual federalism B. cooperative federalism C.

asked by Jane on November 26, 2016
24. ## essay

In some countries such as AUSTRALIA, citizens are required BY LAW to vote in a national election.If they are over 18-years-old they must be registerd to vote and if they fail to go to their polling place on election day, they may be subject to a fine. And

asked by lola on September 25, 2008
25. ## physics?

A heavy steel ball S is suspended by a string from a block of wood W, as shown in the sketch. The entire system is dropped from a height. Neglecting air resistance, the tension in the string is equal to A zero B the weight of S C the difference of the

asked by Brandon on May 20, 2012
26. ## English

Also, we thought wrongly that (she, her) sitting in for him would decrease our work load. Is the correct answer ( her )

asked by Mark on September 13, 2012
27. ## physical science

How much work is required to lift a 10kg weight 5m off the floor if the time is 10 sec?

asked by kitten on April 1, 2011
28. ## chemistry

calculate the expansion work done when 50 g of water is electrolyzed under constant pressure at 25 c...why i get 6.8kj

asked by jayantthi on January 26, 2014
29. ## algebra

if it takes you half an hour to travel 26 miles to work what is your average speed

asked by jack on September 23, 2013
30. ## Math

identify the rate, base and amount do not work the problem. 150% is 75% of what number.

asked by Gertrude Sanders on October 22, 2008
31. ## chemistry

What mass of solute is needed to prepare 140 mL of 0.560 M KCl? how do i work this out?

asked by Josh on August 14, 2010
32. ## Math...just curious

In connections academy is a quick check count as a sample work? just curious

asked by Hayley on August 8, 2017
33. ## Integrated Physics and Chemistry

Energy that is dissipated during heat flow cannot usually be used to produce work. True False

asked by jessica on May 3, 2011
34. ## science

1) which scientist's work did Copernicus contradict? 2) what made it difficult for him to prove his theory?

asked by jake on January 11, 2009
35. ## Science

Calculate the expansion work done when 50g of water is electrolysis under constant pressure

asked by Natalia on February 3, 2016
36. ## Algebra

I need help! Fin the inverse of the function, How do I work the below problem. I need an example do to all the examples I have all have an (fx, g or y) I am working 6 problems like this. {(1, 0), (2, 1), (-1, 0), (-2, 0)}

asked by Jeannie on April 23, 2011
37. ## precalc

factor: (x-1)^1/2 - x(x-1)^-1/2 ive tried multiple different ways to firgure it out, but i cant seem to get too far in my work, i just don't know where to start.

asked by lindsay on February 17, 2008
38. ## Science

Explaining how ear defenders work using the big idea of energy transfer?

asked by Ellie on February 17, 2010
39. ## Physical Science

If you do 600J of work hoisting a 20kg bale of hay, to what height did you lift

asked by Lo on October 18, 2010
40. ## The mind at work

Boss Tweed encourages his associated to work " like a well- oiled machine, " thus providing his workers with

asked by IV on June 19, 2016

examine the impact of one's family background and setting to work place behaviour?

asked by George on October 28, 2016
42. ## Algebra

Could someone just double check my work sqrt280x^6/sqrt7x I got 2x^3 sqrt10\sqrtx Also 1/5(30y+40)+2/3(9y-27)=18 I got 7/3

asked by kim on July 9, 2015
43. ## science

The work done by 500 calories of heat in isothermal expansion of ideal gas is?

asked by priya on December 31, 2015
44. ## Math

There were three questions on my homework sheet: X^2/5-8=-3 (by / I mean fraction bar) X(x-10/x)=-46 3x^2-5=7x^2-5 Also describe some work thx

asked by Arianna on February 19, 2016
45. ## physics

How much work is needed to stop a 20g bullet moving with speed of 150m/s

asked by Dasuki on January 2, 2012
46. ## real estate

How has Donald accumulated his wealth? What are his credentials (educational background, work experience)?

asked by Anonymous on October 7, 2008
47. ## physics

how much work can a 50.0kg wreckin ball traveling at 5.00m/s do when striking a building

asked by maya on March 12, 2009
48. ## Work Environments

Why is emotional intelligence an important factor in individual motivation in work environments?

asked by Emma on November 29, 2015
49. ## Chemistry

How much work (in J) is required to expand the volume of a pump from 0.0 L to 2.7 L against an external pressure of 1.2 atm ?

asked by just need help on April 19, 2019
50. ## management

examine the impact of one's family background and setting to work place behaviour?

asked by George on October 29, 2016
51. ## Physics

A 1.15 kg block slides down a 19.0 m long 29.0° incline at constant velocity. How much work is done by friction?

asked by Ray on March 2, 2010
52. ## Integral calculus

find the work required to pull up the anchor if the cable weighs 20 lb/ft in water

asked by Anonymous on March 16, 2016
53. ## english

how does "One Flew Over the Cuckoos Nest" stand apart from modernism as a post modern work?

asked by joe on June 16, 2009
54. ## Human Resources Study

1. define human resources 2. what is workplace democracy and how would you apply it at your work place

asked by Reginald on August 1, 2010
55. ## Trig

How do I do this? I punch the numbers into my calculator, and they don't work. B=sin^-1 (12/7 sin42\[Degree])

asked by Jane on December 8, 2010
56. ## Basic Physics

I don't understand how to work this problem out: Find x-component of vector a ⃗ = (7.0m/s 2 , - y-direction) Please help

asked by Katy on July 9, 2014
57. ## help me

Which organizational structure mentioned in the text would work best for most human services organizations? Why?

asked by Anonymous on October 1, 2008
58. ## Physics

how much work is needed to stop a 20kg bullet moving with a speed of 150m/s?

asked by Hart on January 20, 2015
59. ## art apreciation

Imagine that you are a defense attorney for this work of art. Support your argument with research.

asked by bola on February 25, 2013
60. ## Algebra 1

126a(-1/9a)(1/7a cubed) and the answer to this in my book says -2a to the fith. How does it work, i've tried multiple times.

asked by Elizabeth on December 11, 2007
61. ## Question

A family history of movement to obtain work in agriculture is required. What does that means?????????

asked by Lauren on December 26, 2011
62. ## History

Do you mind listing topics of American women and work between 1935-2015

asked by Marquita on March 14, 2019
63. ## physics

how can we derive the work-energy theorem form Newton's second law of motion?

asked by sarah on March 16, 2015
64. ## Health

If I were to stay up all night trying to finish my homework (like I am now) will caffeine help, or does it make it harder to work at all?

asked by Joe Schmo on February 28, 2011
65. ## physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?

asked by avery on December 9, 2012
66. ## physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?

asked by avery on December 9, 2012
67. ## Art

what is the meaning of "Tango C.1918-24" of Elie Nadelman? why did he make it? I need some information for that work. Please help me!!!

asked by Catherine on November 7, 2010
68. ## algebra

I rent out 2/5 of my books, give 3 away, buy 9 and now have 27. How many did I start with - I know it's 35 but I can't make the formula work

asked by TIa on January 22, 2010
69. ## physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?

asked by avery on December 9, 2012
70. ## principle of management

examine the impact of one's family background and setting to work place behaviour?

asked by George on October 28, 2016
71. ## Computers

How does a search engine work? List the four main parts of an e-mail header.

asked by jason on May 2, 2011
72. ## Psychology

In what ways do you see psychology used in the environment (work, home, school, etc.) on a daily basis?

73. ## science

A librarian lifts a box of books that weighs 93N a distance of 1.5 m. How much work does he do?

asked by Anonymous on November 21, 2016
74. ## algebra

I am having trouble solving this complex fraction. Can you adise me hoe to work it out? The denominator I am using is 4. Is that right? 1/x - 3/2 ---------- 3/4 + 1/x

asked by kim on August 27, 2010
75. ## physics

calculate the work done in lifting a 300N weight to a height of 10 m with an acceleration 0.5m/second square.

asked by gallium on September 12, 2011
76. ## math

reiny, could you give the motorists two trips another try. it appears you can work it . i'd appriciate seeing an answer. thanks.

asked by mac on July 22, 2011
77. ## bcc

how do you work equation dealing friction and newtons when pulling the distance of a block

asked by jack on February 26, 2010
78. ## Algebra repost for James

Algebra - James, Sunday, September 30, 2007 at 9:00am How do you work: 3-4q=10q+10

asked by Ms. Sue on September 30, 2007

what those this quote mean: "The world is full of willing people to work, the rest willing to let them" -Rober Frost

asked by sara on March 29, 2009
80. ## science

find the no. of electron transferred between two ppints kept at a potential difference of 20V if 40 J of work is done

asked by sandeep on May 15, 2015
81. ## Science

what is a device that does work in a electrical current? A. load B. turbine C. charge D. Magnet

asked by Jessica on September 12, 2013
82. ## College Accounting

What is your own personal "starting point" in terms of past schooling and work experience?

asked by Lynne on January 27, 2010
83. ## English 101

In what ways can the ability to write an organized and informative essay help you in your work outside of school?

asked by Johnnie on November 6, 2010
84. ## chemistry

I need to calculate the density, with work shown. 50.0 mg of a gas which occupies a volume of 0.0064 L ?

asked by alisha on October 7, 2010
85. ## physics

Calculate the amount work done on 60 N of force is used to move an object a distance of 4.0 meters

asked by Joe Barrera on September 20, 2011
86. ## World War 1

What were the three forces at work in Europe that helped set the stage for World War 1?

asked by Chris on September 2, 2009
87. ## Chemistry

How many moles of atoms are contained in 5.60 grams of Sulfur? Can someone help me understand how to work out other problems like these as well? Thank you!!

asked by Ellie on December 2, 2014
88. ## physics-work

if 2.0 J of work is done in raising a 180 g apple, how far is it lifted? equation used to figure this problem out?

asked by lalaglaze on October 19, 2009
89. ## Physics

Two positive charge of 12cand 8c are 10cm apart each other. The work done in bringing them 4cm closer is

asked by Jai on June 23, 2018
90. ## career exploration

1. Processing clerks work in: a) restaurants b) amusement parks c) airports d) warehouses please?

asked by anonn on December 6, 2018
91. ## Chemistry

How does salt hydrolysis work between sodium hydroxide and lactic acid in a titration?

asked by Hannah on February 25, 2016
92. ## economics

Is it possible for a female only 21 years old and 1 year of work experience to have an income of \$92560 US in the 1980s?

asked by lin on June 7, 2009

How do you write a positive message for a business that is going to have less work days and shorter hours?

asked by Martha on April 30, 2010
94. ## Wayne C C C

How much work does a 55-kg person do against gravity in walking up a trail that gains 720 m in elevation?

asked by Ameena on April 15, 2017
95. ## Chemistry

How much work (in J) is required to expand the volume of a pump from 0.0 L to 2.3L against an external pressure of 1.0atm ?

asked by Nathaniel on December 3, 2014
96. ## Physics

A 1.21 kg block slides down a 25.0 m long 25.0° incline at constant velocity. How much work is done by friction?

asked by kellie on October 14, 2011
97. ## precalculus

find two sets of parametric equations for the given rectangular equation x+y^2=4 can you check my work? x=-y^2+4 y=-t^2 x=-t^2+4 x=-t^3 y=-t^3+4

asked by Anonymous on December 13, 2016
98. ## Computer

What is your own personal "starting point" in terms of past schooling and work experience?

asked by Ceta on April 23, 2010
99. ## physics

under what conditions can you use the formula W=Fnetd to calculate the work done on an object? Describe at least two requirements.

asked by Anonymous on February 25, 2012
100. ## chemsitry

calculate the work done when 50.0 g of tin dissolves in excess acid at 1.00 atm and 25c

asked by Anonymous on February 14, 2010