# 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 490
1. ## English

Could you help me to order these sentences, 1. Wha do you do couldallow us to couese in work time is. 2. To new might you skill a want about learning think.

asked by Agus on July 24, 2013
2. ## Algebra

First, I really stink @ Algebra. How do combination of signed numbers work? I keeping getting 6 but for some reason I don't think its right. -1-(-6+-1) -1-6+1 -5+1=6

asked by Jeannie on March 20, 2011
3. ## Anatomy

For Muscles to work, they need a stimulus from a ____________ nerve and a source of energy that is ___________, is also known as __________.

asked by Matt on May 19, 2011
4. ## college algebra

Let f(x) = 1/x Evaluate and plot g(x)= -f(2x) + 1 Start with the innermost transformation and work outward in steps. There are 3 transformations

asked by Sarah on April 11, 2008
5. ## calc

f(x)=8cos4x What is the derivative? Im doing online homework and i keep getting an incorrect answer. How do you work out this problem correctly? thanks

6. ## Physics

Four 50-\mu {\rm{C}} charges are brought from far apart onto a line where they're spaced at 2.0-{\rm cm} intervals. How much work does it take to assemble this charge distribution?

asked by Johnny on February 4, 2010
7. ## physics

two electric charges +10 microC and -20microC are located .35 m apart how much work is required to double the distance between them?

asked by Grane on November 4, 2012
8. ## tribal government

if the tribal government don't recognize judicial board does separation of powers still work

asked by Lori on December 10, 2016
9. ## physics

If you do 110 J of work to elevate a bucket of water, how much energy did you add to the gravitational field?

asked by George on March 11, 2013
10. ## Student of Month

When students are pick tp be the student of the month is it because they work hard, get good grades, and hehaver?

asked by Laruen on November 19, 2011
11. ## Physics

An ideal gas performs 453 of work and loses 45J of internal energy

asked by Ramiro on May 7, 2012
12. ## Social Studies

The histories of Kush and Egypt are intertwined with each other because they were reliant on each other. How did their interdependence work, and why did each take control of the other in turn?

asked by Anonymous on November 2, 2018
13. ## Math

Create 4 proportions that will work for the following scenario: If the scale is 3.5 in = 8 ft and the drawing measures 6 in, what is the actual distance?

asked by ariana on November 19, 2012
14. ## English

I have a comprehesion passage I need to read an answer questions. Is it possible can you help with my work. I really need help how can i get in contact with you to give you further information.

asked by tamika on January 27, 2010
15. ## Physics

How much work is done by a girl weighing 450N while carrying a 2kg package up a 2m flight of stairs?

asked by Beth on February 16, 2012
16. ## physics

calculate the work done on n mole of a vander waal gas is an isothermal expansion from volume vi to vf.

asked by abdulmueed on October 20, 2015
17. ## thermodynamics

an automobile having a mass of 1.250 kg is traveling at 40m/s. what is its energy in kJ? how much work must be done to bring it to a stop?

asked by camille on November 20, 2014
18. ## physics

Calculate the net work output of a heat engine following path ABCDA in Figure 14.30, where V1 = 5.0 10-3 m3 and V2 = 20.0 10-3 m3.

asked by sam on December 6, 2013
19. ## Algebra2

Can Someone Check My Anwsers? 1. -17=10x+3 = x=2 2.9x+5=7x+3x-2 = x= 7/1= 7 #I Do Have My Work Shown, On a Separate Sheet Of Paper . But I Want to Know If I Got My Answers Right.

asked by Sara on August 16, 2012
20. ## Algebra

Complete the Table below using the equation y=3x+1. x ---------- y -2 --------- 0 ---------- 1/6 -------- My answers for y -5 1 1.5 (There is a second step to this problem but I am going to discuss it after someone checks my work above.)

asked by Kaai97 on February 11, 2016
21. ## Caculus I

If f is decreasing and f(20)=10, which of the following must be incorrect? Explain. a. (f^-1)'(20)=-3 b. (f^-1)'(10)=12 how do i work this problem? i'm kind of confused about inverse functions.

asked by Rob on October 19, 2008
22. ## 12th grade Project work

How can I prepare a beautifully decorated hand made file on a project work for school?

asked by Vishesh on May 3, 2010
23. ## Trig

Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only work with one side of the equation

asked by Anonymus on March 1, 2011
24. ## math

please explain how to use hundreds chart to answer this queston;WHAT % OF THE NUMBERS ARE MULTIPLES OF BOTH 2 AND 3? i have no idea how to work it out, thanks

asked by wan on November 14, 2012
25. ## English

Which of the following lines from Marge Peircy's poem "To Be of Use" best demonstrates the speaker's view that work is gratifying?

asked by angie on May 18, 2015
26. ## ESSAY ON MY FUNCTIONALISM AND STRUCTURALISM

DO I JUST WRITE ABOUT WHO I AM AND WHAT I DO IN MY LIFE LIKE I AM A MOTHER A FRIEND A RECOVERING ADDICT? I WORK AT A BEHAVORIAL CENTER AND WHAT I DO THERE?

asked by MISTY on September 9, 2014
27. ## physics

two electric charges +10 microC and -20microC are located .35 m apart how much work is required to double the distance between them?

asked by Grane on November 4, 2012
28. ## math

whats the integral of e^(3sqrt(x))? i think i'm supposed to use substitution but i don't know what to substirute, i tried u= x^(1/3) but it didn't work out, please help!

asked by belinda on March 1, 2008
29. ## management

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

asked by Anonymous on January 30, 2010
30. ## Calculus

Differentiate: F(x)=e^(xsin2x) This isn't homework, it's review for our exam. Couldn't remember how to work it :( Thanks!

asked by Katie on May 18, 2010
31. ## Psychology

example of work smarter, not harder. I need one sentence of how this phrase could apply to launching internet search.

asked by Sharon on October 20, 2011
32. ## english

Comparing the work habits of two people who have the same last name is an example of a faulty analogy. Their name tells us nothing about their abilities and ethics.

asked by Ms. Sue on July 11, 2007
33. ## physics

five joules of work are needed to shift .5 C of charge from one place to another. the potential differences between the places is

asked by Susan on April 8, 2013
34. ## Physics

How much work is required to bring a 1000 kg racing car traveling at a speed of 60 km/hr to rest?

asked by Reed on March 18, 2016
35. ## physics

How much work does a refrigerator with a COP of 3.8 require to freeze 660 g of water already at its freezing point?

asked by I on April 22, 2012
36. ## World History

What importance did Olaudah Equiano's work have on shaping the idea of Slavery in colonial society?

asked by Missy on March 15, 2008
37. ## Algebra help

Find an equation of the line L, where L is perpendicular to y=3x and passes through the point (1,3) Please help I'm not sure what formula to use or how to work out this problem

asked by B on September 17, 2014
38. ## science/math

Jane runs a track race at 7.0m/s for 40 seconds using a force of 140N. How much work has she done? (remember s=d/t)

asked by Jessica on May 20, 2018
39. ## Economic

Why is demand history irrelevant for the management of raw materials and work-in-process inventories?

asked by Jeniffer on April 17, 2010
40. ## History

Except for Sundays, when did slaves in Texas typically work? A. as they saw fit B. whenever it was daylight C. as was necessary D. when the weather was pleasant

asked by Wednesday_my_dudes on November 12, 2018
41. ## pre calculus

can you check my work Find two different sets of parametric equations for the given rectangular equation: y=x^2+10 answer: x=t y=t^2+10 x=t^3 y=t^6+10

asked by Anonymous on December 12, 2016
42. ## mrr high school

Find the power of human heart ,which beats72 times per minute , if it does 1.5J of work every beat.

asked by mona on January 2, 2015
43. ## AP Physics

What is the minimum work needed to push a 1025 kg car 290 m up a 17.5° incline with zero friction?

asked by - on November 11, 2015
44. ## social studies

in what economic sector is a migrant worker most likly to find work in arbia and iraq?

asked by Hannah on February 25, 2015
45. ## Calculus

[Linear Approximations and Differentials] I tripled checked my work but I'm still not getting the correct answer. y=3x^2 x=3 & delta x =0.2 I get 3(3.2)^2 - 3(3) = 21.72

asked by Z32 on September 27, 2009
46. ## Math

Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? How would I work this out? Thank You

asked by Keith on January 18, 2014
47. ## physics

suppose you apply 3 newtons of force to slide a box 2 meters in 6 seconds, how much work did you do?

asked by Anonymous on May 8, 2011
48. ## physics-intro

How much work is done in lifting 450 lb of cement 75 ft above the ground? So basically its W=fs (450lb)(75ft)=33750lb

asked by ben green on October 9, 2014
49. ## Art

4. What artist from the Harlem Renaissance used geometric shapes and areas of flat color in his work.

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

Write 17/4 as a mixed number. Explain your work I'm stuck and could really use some help, this is what I got so far: First I divided 17 by 4, 4 goes into 17 four times and has a remainder of 1. What do I do after this can anyone help??

asked by Chen on October 19, 2017
51. ## math

15 tv were shipped 4 were defective if 2 tv's were random selected compute the possibility of both tv's working and the probability that at least one of the 2 tv does not work

asked by linda on June 6, 2013
52. ## Accounting

o Describe two business sectors you might want to work in if you were an accountant and explain why in 150 to 200 words.

asked by John on November 7, 2010
53. ## chemistry

describe the opposing forces of attraction that are at work in the dissolution of calcium chloride. which are greater?

asked by Anonymous on May 5, 2010
54. ## Theatre and Art

Once a playwright sold his manuscript, he could continue to collect royalties on his work. True or False

asked by Jay on October 10, 2016

I am looking for a web site to help with my home work on Common balance spread sheets layout.

asked by Debbie on November 7, 2015
56. ## Physics

how much work is needed to raise a 6.0 Kg object14.0 m at constant speed?assume that friction is negligible.

asked by lora on July 11, 2017
57. ## Pre-Cal

Find the median on the data: [42,51,53,53,59,61,75,100] My work: 53+59/2=82.5 According to the teacher that is not correct but that is the way the book showed how to do it when you had an even #. Thanks for the help.

asked by Lucy on January 3, 2009
58. ## physics

Find the work done by 2.32 moles of an ideal gas if its volume doubles at a constant temperature of 22.6°C.

asked by Anonymous on June 19, 2014
59. ## precalculus

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

asked by Anonymous on December 12, 2016
60. ## math

find the product using mental math and the distributive property for 7(15) showing the work as shown

asked by monse on August 29, 2012
61. ## physics

A box is pushed without acceleration 9.0m along a horizontal floor against a frictional force of 100N. How much work is done?

asked by nahum on August 24, 2010
62. ## science and technology

calculate the work done if a force of 80N is applied to a ball to move it to a distance of 24m.

asked by yakubu shehu on December 31, 2015
63. ## physics

ok so dr= 2i + 3j while F= 5i + 2j It wants me to find the work. now i know w=Fxdr. what i want to know is why when you take the dot product of both, you get a different answer compared to when you just multiply the magnitudes.

asked by Mitch on March 6, 2010
64. ## physical science

A girl on a bicycle drags a wagon full of newspapers at .80 m/s for 30 min. using a force of 40 N. How much work is done?

asked by landon on October 27, 2013
65. ## D S S LIMAWA MINNA NIGER STATE

how many work is needed to stop a 20g bullet moving witi speed of 150ms'1

asked by ABDULLAHI SALEH on March 13, 2017
66. ## Chemistry

What is the molar hydronium ion concentration in solutions with pH values of a) 3.45 and b) 10.290. How do you work these problems?

asked by Melody on May 6, 2010
67. ## maths

how do you work out exponential graphs? keshvir grade 10 south africa I depends on the problem. Do you have an example of one you need help on?

asked by keshvir on November 5, 2006
68. ## Physics

explain the concept of electric potential difference in terms of work done in transferring the charge

asked by dj on April 13, 2011
69. ## Physics

explain the concept of electric potential difference in terms of work done in transferring the charge

asked by Anonymous on April 13, 2011
70. ## Math

Calculate the number of grams of dextrose in 250mL of D5W. I know that the answer is 12.5g, but I do not understand the work. Please help.

asked by Elie on November 1, 2011
71. ## chemsitry

Calculate the work in kilojoules done during a reaction in which the volume expands from 10.0 L to 95.9 L against an external pressure of 2.5 atm.

asked by hamed on December 7, 2017
72. ## Geometry

M is the midpoint of LM LM=3x+5 LN=5x+40 Find MN I've tried to work this out several times and am pretty sure I start it off by 3x+5=5(x)+40 but I keep getting a negative answer or a fraction for X and know that is not right. Can someone please help me?

asked by Tiffany on September 11, 2014
73. ## geometry

please tell me if you know of any websites that would be helpful with information on Euclid's life, the scope of his work, and his importance to mathematics

asked by Brianna on December 18, 2011
74. ## College Physics

how much work is required to completely separate two charges (each -1.4 microcoulombs) and leave them at rest if they were initially 8 mm apart?

asked by CourtneyW on February 3, 2011
75. ## biology

What process releases energy from food to do work,produce ATP and heatin cells?

asked by chris on June 4, 2008
76. ## science

If a 60.0 kg person will need to climb a 10.0 m stairway how may times to work off each excess Cal (kcal) consumed?

asked by Johnnie on November 8, 2010
77. ## Discriminant

Use the discriminant to determine how many real-number solutions the equation has 1 - 7a2 = -7a - 2 A) 2 B) 1 C) 0 Not sure how to work this problem

asked by Lisa D on June 27, 2010
78. ## Physics

How much work must be done to bring three electrons from a great distance apart to within 2.1Ã—10âˆ’10 {\rm m} from one another (at the corners of an equilateral triangle)?

asked by Tiffany on February 5, 2011
79. ## Simile Question

The sun's rays caress my face like a mother would. Would this simile work? Make sense? Thanks.

asked by Larry on January 16, 2009
80. ## Hon. Lit.

What are the most significant chapters of Stephen Crane's work "Maggie"? I know that the first two are because the protagonist and antagonist are introduced. Thanks.

asked by Mjorie on September 23, 2007
81. ## COM/215

REVISE Studying is hard work many students find they study better when they take regular breaks.

asked by Sonia on August 8, 2012
82. ## physics

a cyclist does work at the rate of 500w while riding. how much force does her foot push with, when she is traveling at 8.0 m/s?

asked by ty on January 22, 2016
83. ## math

I'm wondering if someone could check my work please? I have a table: Distance driven in miles Total Cost 0

asked by Carly on October 14, 2017
84. ## geometry/algebra

I have tried to work this several ways and can not get the answer of 5 find x if the slope of a line passing through points A(4,3) and B(x,7)equals 4

asked by Rose on October 11, 2008

How do i work out the mass of a flywheel. I am given the density as 7500kg/m3, a 500mm diameter and a 10cm thickness. Please help

asked by lee on April 19, 2015
86. ## English

What is the specific technique of creative non-fiction at work in Keneally’s text, Schniders list

asked by Sophia on August 2, 2017
87. ## Math- AP Calc

If 3x+xy+4y=8, what is the value of d^2y/dx^2 at the point (1,1)? My work: 3+(x)(dy/dx)+(y)+4(dy/dx)=0 dy/dx(x+4)=-3-y dy/dx=-3-y/x+4 2nd Dervative: (x+4)(0-dy/dx)-(-3-y)/(x+4)^2 (x+4)(-(-y-3/x+4))-(-3-y)/(x+4)^2 (x+4)(y+3)/(-x+4)+(y+3)/(x+4)^2 *Mult.

asked by David on October 6, 2014
88. ## physics

How much charge passes through a cross-sectional area of a copper wire in 0.8 s if I = 3.5 A? 1 C -Work equation?

asked by Alice on May 11, 2012
89. ## Math

If you work 7 days a week 8 hours a day and gets paid \$10.50 an hour how much will your weekly salary be?

asked by Tichiba on October 8, 2016
90. ## American History!!!

How was the development of interchangeable parts an example of the move to make work "less skilled" in the early 1800s?

asked by Emily on November 16, 2013
91. ## physics

a student does 314 J of work in moving a desk 2.1 m. What was the magnitude of the applied horizontal force?

asked by amber on January 27, 2011
92. ## Math

Dear Ms. sue i am very sorry for posting that question and promis to never to that again i just wanted to get the work done and was lazy at the moment

asked by Aaron walshe on May 9, 2018
93. ## ELA

How can you use peer work during the personal narrative unit to better understand yourself as a writer, others in your community and the world around you?

asked by Sumaiya on October 9, 2011
94. ## Math

Find the area of the circle.Use 22/7 as pi. this is 6th grade work sorry i have been stuck for an hole hour

asked by Triston on March 22, 2017
95. ## Algebra Honors

Graph the inequality: 2x-5>y My Work: 2x-y>y -> 2x-5>y a) m= 2/1 b= -5 My Question: Should I shave above or below? Whenever I do the math, the results say below, but according to my notes I should shade above.

asked by Anonomus on December 4, 2015
96. ## Math

Write an equation for the tangent to the curve y=sinmx at the origin. I got y=mx, is this correct? Please help by showing work! Thanks

asked by Beth on January 3, 2016
97. ## biology

how your specific hormones work and the responce that they elicit(mechanism of action and desired response)

asked by Anonymous on February 4, 2011
98. ## maths

file:///C:/Users/abuab/Downloads/1MA0_1H_que_20160526%20(1).pdf question 19 what is it called? and how do you work it out

asked by HELP on October 12, 2016
99. ## physics

How much work must an ideal refrigerator perform to make 1 kg of ice at -10C from 1 kg of water at 20C when 20C is also its exhaust temperature?

asked by ap on December 28, 2016
100. ## grammar

The lawyer suggested that you and he work to find an agreement outside the courtroom, for the trial would be long and unpleasant.

asked by Anonymous on December 10, 2013