# 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

91,718 questions, page 476
1. ## 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
2. ## physics

how much work is done by the upward force of your head on a 50 N rock that you carry horizontally across a 10 m room?

asked by Sophia on February 25, 2015
3. ## Physics

How high will a 1.60-{\rm kg} rock go if thrown straight up by someone who does 75.0 J of work on it? Neglect air resistance.

asked by Frank on September 27, 2011
4. ## Society & Environment Engineering

The art of getting work done from the people for the predefined goal is called a)Management b)Administration c)Both a & b d)None of these

asked by Rajan on August 3, 2012
5. ## Math

Find the domain and range of the function. f(x)=x-1 -3

asked by Abby on October 9, 2012
6. ## Honors Physics

Give some examples of applications that have resulted from work done by physicists on the exploration of space.

asked by X on August 24, 2014
7. ## English

Identify two important influences on Langston Hughes. How did these things affect his work?

asked by Ilka on October 1, 2010
8. ## physics

How much work is required to lift a 280 kg refrigerator to the second-story level that is 6m high?

asked by jim on February 27, 2012
9. ## physics

How much energy becomes unavailable for work in an isothermal process at 440 K, if the entropy increase is 25 J/K

asked by I on April 20, 2012
10. ## Math

can someone check my work what is the slope of the line that passes through the points (-2, 4.15) and (1, 1.24)? My answer: -2.91/3 Do I need to simplify?

asked by CatBug on December 15, 2018
11. ## physics

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

asked by Dasuki on January 2, 2012
12. ## Biology

How do the heart, capilaries, arteries and veins work to distribute materials through the body?

asked by Anna on January 19, 2011
13. ## social studies

in what ways do the senate an house of representatives work together to pass bills into laws?

asked by andrew on November 30, 2011
14. ## real estate

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

asked by Anonymous on October 7, 2008
15. ## Math

A rectangle has a base length of x+2 and a height of x+4. Work out an expression for the area of the shape?

asked by Mila on May 26, 2017
16. ## US Government

What is a modern day example of separation of powers at work? All I can find is the US government but I need an example of it being used not it being describe. Please help.

asked by Jason on February 8, 2012
17. ## 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
18. ## Physics

To rearrange the furniture in your room, you need to exert a force of 20 N to push your desk 10 m. How much work do you do?

asked by zelgius on January 25, 2013
19. ## Calculus

Can someone please work this algebra. verify that y(x) = -ln (x - cx^2) satisfies the ODE x(e^y - y') = 2 where c is constant. I have been working through this and it is way too messy.

20. ## world geo

Members of which economic alliance can live, work, even vote in any member nation?

asked by fdofvn on October 27, 2011
21. ## algebra

(x^2+6x+9) + (y^2-4y+4)= 12+9+4 is equal to (x+3)^2 + (y-2)^2=25 How, if this works, is it related to a perfect square quadratic? Have we seen this work done before with something other than circles?

asked by Justin on November 25, 2009
22. ## 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
23. ## English

What is some of Edgar Allan Poe's work that is classified in the American Romanticism genre.

asked by |-/ on May 1, 2018
24. ## science

A 50 N girl climbs the ladder with a 60 N painting in 5 seconds. She has done 120 J of work. How much power does she need?

asked by jane on December 9, 2013
25. ## US History

asked by Jennifer on March 25, 2008
26. ## 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
27. ## Social Studies

How would you describe Canada's attitude to money,work,entertainment and the past and the future?

asked by Tommy on December 31, 2013
28. ## Computer

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

asked by Ceta on April 23, 2010
29. ## Management

How does the local, state, or national economy affect your business or place of work?

asked by Nicole on April 28, 2010
30. ## math

How do I work the problem 5lb.-13oz.= what. Ms.Sue if you answer this question I'm sorry for bothering you so much.

asked by Math Geek on August 6, 2012
31. ## 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
32. ## chemistry

Enter the symbol for the element represented by the following electronic configuration. [Ar]4s23d6 ??? How does this work?

asked by will.i.am on February 19, 2013
33. ## Physics

A cable lifts a 1060-kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following?

asked by Don on November 12, 2012
34. ## Art

During the Italian Renaissance, how did the qualities found in architecture relate to the work of sculptures?

asked by Anonymous on May 28, 2012
35. ## Math

The problem is… 8X^4/25-9x^2• 3X^2- 8X+5/x^2-1~4x^3/x^2+2x+1 NOTE: I used~ to equal a division symbol So I did 2x/-(3x-5)(5+3x)•3x(x-1)-5(x-1)/(x-1)(x+1)•(x+1)^2 2x/-(3x-5)(5+3x)•(x-1)(3x-5)/(x-1)(x+1)•(x+1)^2 2x/5+3x•-1(x+1) -2x^2+2x/5+3x Is

asked by Sara on January 4, 2019
36. ## physical sciences

how much work is required to accelerate a can with a mass of 1000kg from 20 metre per second to 30m cubed

asked by gedletoon physics on February 1, 2013
37. ## 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
38. ## accounting

Would Pastin's approach also work in a merger situation? Look at past mergers to see what worked and what did not?

asked by ^Tasha on June 5, 2010
39. ## 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
40. ## physics

How much work does a 69 kg person do against gravity in walking up a trail that gains 790 m in elevation

asked by Michelle on March 10, 2012
41. ## 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
42. ## world geography

Why have the people of West Africa started to work at the local level to help their economies?

asked by Luke on March 31, 2011
43. ## Chemistry

Hi, This may sound like a dumb question but I am stuck. I have worked out everything from a titration and I am now trying to work out my overall % purity. It is 86.0% +/- 1.3% What will 86.0% + 1.3% be and what will 86.0% - 1.3% be?

asked by Paula on October 26, 2011
44. ## 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
45. ## Science

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

asked by Ellie on February 17, 2010
46. ## Chemistry

what principles in UV-VIS spectroscopy and IR regions? how to work with organice molecules in both radiations?

asked by jess on October 28, 2015
47. ## 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
48. ## Math

Simplify by writing each fraction in lowest terms: X^2-y^2/(x-y)^2 My work: X^2-y^2/(x-y)^2 =X^2-y^2/(x-y)(x-y) =X^2-y^2/x^2-2x2y-y^2 I don't know what to do next.

asked by Anonymous on August 28, 2015
49. ## Physics

How much work is needed to stop a 20g bullet moving with a speed of 150ms-1

asked by Ehis on January 24, 2013
50. ## Science

How dos the pull of a magnet work PLEASE ANSWER I NEED TO TURN THIS IN BEFORE JUNE 9th thank you!!

asked by Sean on May 22, 2017
51. ## 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
52. ## 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
53. ## Physics

A cable lifts a 1060-kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following?

asked by Donald on November 11, 2012
54. ## Calculus Help

Find the derivative of the following function showing your work and fully simplifying your answer. f(x)=(8x-3)^5/(6x+7)^12 Thank you!!!

asked by Layla on March 11, 2014
55. ## Math

Sarah and Noah work at Read On Bookstore and get paid the same hourly wage

asked by Donna on January 6, 2016
56. ## 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
57. ## Physics

If an object has a work of 300J and a displacement of 20m, how would I determine the net force?

asked by Dan on April 4, 2014
58. ## Physics

Can measuring the time between seeing the lightning and hearing the thunder really tell you how far away the lighting struck? If so, then how does it work?

asked by Morgan on April 25, 2018
59. ## Art

Describe how elements of art and principles of design work together to form a composition

asked by Jackie on March 19, 2013
60. ## science

How many grams of CO are needed with an excess of Fe2O3 to produce 35.0 g Fe? I just don't get how to set up so I could do the work

asked by Hello on January 9, 2018
61. ## American History

How did homesteaders cause the spread of traditional values such as democracy and a strong work ethic?

asked by Kelsey on October 17, 2013
62. ## 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
63. ## 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
64. ## physics

In the rectangle of the figure the sides have lengths 7.25 cm and 18.6 cm, q1 = -5.17 μC, and q2 = +2.07 μC. How much work is required to move a charge q3 = +2.94 μC from B to A?

asked by ak on October 17, 2013
65. ## chemistry

A gas absorbs 25kj of heat and does 12kj of work calculate (triangle) E

asked by S on April 16, 2013
66. ## 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
67. ## any

How might factors such as diversity, attitude, learning, and work styles affect collaboration?

asked by Anonymous on November 7, 2011
68. ## physics

A 1.11 kg block slides down a 30.0 m long 28.0° incline at constant velocity. How much work is done by friction?

69. ## Research Methods

An infomercial asserts, “A study proves that Fat-Be-Gone, and it will work for you also.” What is wrong with this statement?

asked by sam on September 22, 2016
70. ## Math

Kelly has 40 hours of work to do on her fair project . she has 5 weeks to complete it on time?

asked by Jyron on March 26, 2015
71. ## Art

Describe how elements of art and principles of design work together to form a composition

asked by Jackie on March 19, 2013
72. ## physics

how much work is needed to stop a 20g bullet moving with a speed of 150 ms-1

asked by Anonymous on July 15, 2013
73. ## Science

Name and explain in detail four organizations or agencies that work to address human violations

asked by Petunia on March 3, 2015
74. ## Physics

How much work must be done to bring three electrons from a great distance apart to 1.0 * 10^(-10)m from one another (at the corners of an equilateral triangle)?

asked by Jenish on February 1, 2008
75. ## Debating

Using debating terminology can you help me define this please? That there should be compulsory exercise at work thanks a heap Minnie W

asked by Minerva on July 23, 2008
76. ## A math question needs answering

math terminology needed! how do you find the whole set in fractions? How do you work out (20x2)- x =10 -x

asked by Writeacher on March 14, 2007
77. ## 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
78. ## 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
79. ## 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
80. ## Physics

Can you give me the summary of work,force,potential & kinetic energy,power?

asked by Althea on December 5, 2013
81. ## science

If I wanted to make a new drug to fight cancer, where specifically would you want it to work? What would you want it to inhibit?

asked by sheshe on July 25, 2010
82. ## physics

Work out the gravitational potential energy of a 2kg brick at a height of 9 metres.

asked by Mary on February 6, 2011
83. ## Chemistry

At constant pressure, which of these systems do work on the surroundings? A(s)+B(s)-->C(g) 2A(g)+2B(g)--> 3C(g) A(g)+B(g)-->3C(g) 2A(g)+3B(g)-->4C(g) I've tried everything and I just don't understand what I'm doing wrong.

asked by Sam on September 13, 2016
84. ## nursing

What are ways you provide education to patients in your work place regarding chromic diseases?

asked by marissa on October 22, 2011
85. ## 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
86. ## PHYSics PLEASE I NEED HELP

wally holds a pillow over his head for an hour does he do any work ? if not y? what energey changes is accouring?

asked by lisa on June 1, 2012
87. ## 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
88. ## 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
89. ## 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
90. ## biology

i don't know what to write for my introduction for a work about the human lie cycle, please hep me

asked by lionel on June 23, 2009
91. ## 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
92. ## Chemistry

Can someone help draw/explain the Lewis Dot Structure for OPBr3. I've tried different things, but none of them seem to work.

asked by M on November 19, 2012
93. ## 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
94. ## 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
95. ## Math

How many diagonals can be drawn from one vertex of a 12 sided polygon. ****WORK NEEDED TO BE SHOWN****

asked by ***GIOVANNI*** on August 31, 2016
96. ## Math

I have used this site on a number of occasions and i never receive an answer. I am just looking for guidance. Willing to work through problem

asked by Shawn on June 1, 2015
97. ## college math

what is the remainder when the sum 1^5+2^5+3^5+...99^5+100^5 is divided by 4? again a mod problem that I don't know how to work.

asked by Laura on April 19, 2009
98. ## physics

a man lifts a 2 kg load to a height of 3m in 3 seconds. how much work was done ? how much power was demonstrated?

asked by khaled on September 26, 2016
99. ## Isizulu,history,maths lit,geography,english and LO

which work do i qualify for with these subjects and my results are very good,i also have a drivers licence with PRDP

asked by siyabonga on July 30, 2014