# 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 592
1. ## Math

Stacy earns \$12.50 an hour at her job. She wants to earn at least \$390. Write an inequality hat represents all of the possible numbers of hours (h) that she could work to make at least \$390.

asked by Sam on March 30, 2017
2. ## English

Which of the following is correct when analyzing a story? ignore internal inconsistencies resist the obvious meaning of the work ignore ambiguities do not read skeptically my answer D

asked by christopher on April 23, 2010
3. ## MATHS

matt and ruba each have one coin. The total amount of money is less than 50p. work out the probability that exactly one of the coins is a 10p piece. assume that all possible coins are equally likely.

asked by Chloe on November 5, 2011
4. ## Chemistry

On strong heating, 12g of NaHSO4 release 0.9g of water vapour and a white solid is left. Deduce a chemical formula for the solid. How can I work this out? Thanks :)

asked by Matt on April 18, 2013
5. ## Physics

a loaded cart has a total mass of 227kg. if a 312N force acting at an angle of 30 to the ground is applied, how much work is done by moving the cart 15m?

asked by Miko on August 20, 2012
6. ## maths

how to work out partial fraction decomposition when given 1/x(x^2+1) and 2x-1/(x+4)(x-3) if you could give me an idea of the formula and what changes i need to make to the formula when the denominator changes that would help and please use idiot speak

asked by michelle on October 25, 2009
7. ## math

I need help showing work. I did it in my head and now missing a huge part of how I got it. 110=2/3*8 my answer is 165 but they ask me to showwork, which I am always getting docked because as I read the question I do it in my head. Ugh! Please help!

asked by lucy on October 21, 2012
8. ## Chemistry

A 10.00 g sample of He is compressed isothermally from a volume of 61.1 L to a volume 2.00 L at a temperature of 25 °C. Calculate the work done by the gas on the surroundings if the external pressure is 101.325 kPa.

asked by sol on April 9, 2012
9. ## Math

Czarina is working part time at a pastry shop baking cupcakes. If she works for 30 hours in one week on the average, how many hours a day does she work?

asked by Molly on October 17, 2012
10. ## Employees

Proportion practice: "Fancy factory has 300 employees with a 3 to 7 ratio of men to women. How many men work there?" I've been working on this forever. And I can't figure out what to do. DX uarrghhh. Help?

asked by Kiki on November 17, 2008
11. ## maths

Paul wrote five tests which were marked out of a total of 200 marks. Paul scored 40 out of 50 in a 6th test. What was his NEW average? HoW do I work out this type of sum.

asked by Anonymous on March 30, 2015
12. ## MATH HELP !!!!!

I know a fraction is the answer but can't make it work for the probability question asking for what is the chance you will pull a pink eraser out of a,container that has 5 green .2 striped.4 pink.and 3 white.?

asked by james on May 19, 2016
13. ## Math :)

I have to work with percentages and I don't know how to figure this word problem out. John saved 23.97\$ by purchasing boots at "30% off sale". Find the origianl price of the boots.

asked by anjelika on November 9, 2008
14. ## physics

A truck with a mass of 2.00x10^3 kg is coasting along a straight level road at 250.0 m/s. It comes to rest in 300.0m. How much work is done by friction in bring the truck to a stop?

asked by Anonymous on May 20, 2016
15. ## English language

Please tell me how to write these, if you have any idea. Let's assume we are all connected by the oceans;can we work together to protect the environment? Write an essay,story or poem on the above topic. It should be about 700 words?

asked by poppy👌🤔 on May 4, 2019
16. ## computers

How does organization culture play a role in the successful reliance on the JAD process to identify and gather business requirements? Would JAD work in your company? Why or why not?

asked by Anonymous on August 26, 2010
17. ## Social Studies

What steps did American women take to advance their rights in the mid 1800s? -They protested. -Women from lower classes began to work. -Reform Movements, I can't think of any others?

asked by Bryce on August 27, 2013
18. ## Physics

When UV light of wavelength 295nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.50eV. What is the work function of the metal? W0 in eV

asked by Sheila on April 23, 2013
19. ## scholarship thing

for the scholarship, it says we can submit additional work that would give evidence to why we would excel in an honors program. i would really like to submit some photos i took but i'm not sure that would help me, especially when i plan on majoring in

asked by lillian on January 1, 2009
20. ## human resources

Prepare a 700- to 1,050-word report on a career management plan for your new employees. Assuming your budget is zero; provide a justification of why your report will work.

asked by Anonymous on November 12, 2010
21. ## physics

when 1240 J of heat are added to one mole of an ideal monatomic gas its temperature increases from 273K to 277K. Find the work done by the gas during the process.

asked by tired on November 12, 2013
22. ## physics

when 1240 J of heat are added to one mole of an ideal monatomic gas its temperature increases from 273K to 277K. Find the work done by the gas during the process.

asked by tired on November 12, 2013
23. ## Physics

A dram of mass 100kg is rolled into the deck of long 1.5m above a horizontally floor using a plank 4m long.calculate the work done against gravity during the process [Take g=10ms'2]

asked by Yegh margaret on January 29, 2017

Sue whants to by a new printer that costs \$189.She has \$125 saved.She has a job that pays \$8.00 an hour.How many hours must she work to earn enough to buy the printer?

asked by Alyssa on December 13, 2008
25. ## Physics

When UV light of wavelength 295nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.50eV. What is the work function of the metal? W0 in eV Please someone help me out. Thank you.

asked by Sheila on April 22, 2013
26. ## geometry

T is the set of all positive numbers n such that n

asked by marco on January 31, 2007
27. ## physics

How fast must a cyclist climb a 4.0 degree hill to maintain a power output of 0.35 hp? Neglect work done by -friction, and assume the mass of cyclist plus bicycle is 83 kg.

asked by peyton on March 1, 2010
28. ## thermodynamics and kinetics

One mole of an ideal gas undergoes an isothermal reversible expansion, doing 1 kJ of work and doubling the volume. What is its final temperature? How much heat was added to the gas?

asked by Dorota on October 12, 2012
29. ## Physics

A 5kg block is being pulled on a horizontal frictionless surface. The tension in the string is 30N. What is the total work done on the block as it moves a distance of 10 meters? Thank you very much!

asked by Steve on March 20, 2016
30. ## Physica

a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is

asked by 1919 on July 16, 2012

Maths Literacy,Tourism,Business Studies,Economics Iam in grade9 next years I want to choose these subjects and I also want to know the careers are available for those subjects that you work in a office

asked by Ambesiwe on November 20, 2015

Compute the difference between the ordinary interest and the exact interest for a loan with a principle amount of \$1100 at 12 percent for 120 days. I'm getting \$0.60 Can you check my work?

asked by Casey on February 21, 2015
33. ## Calculus

A cable that weighs 3 lb/ft. is used to lift a golf cart which weighs 700 lbs up to the deck of a boat which is 300 ft above a loading dock. Find the work done.

asked by Anonymous on May 7, 2015
34. ## chemistry

Mechanism for the reaction between 3-methyl-2-pentene and HCl. is this right? %img836.imageshack.us/i/questionk%.jpg/% * delete the percentages for the link to work, its the only way i could post a link

asked by ben on February 19, 2011
35. ## physics

A 58.0-kg skier starts from rest at the top of a ski slope of height 70.0 .If frictional forces do −1.09×104 of work on her as she descends, how fast is she going at the bottom of the slope?

asked by lok on December 14, 2011
36. ## Physics

A force of 2000N is used to push a box up am inclined plane that is 15m long. If the 100 kg box is raised to a height of 8m,how much work is done against friction ?let g=10m/s^2.

asked by Riana on April 2, 2013
37. ## Physics

- How do you calculate proper time (Tau) between two events with coordinates (0s, 0m) and another pair of coordinates in a frame S? - how much work must be done on a particle of mass m to move it to a speed of 0.905c?

asked by Sam on April 3, 2009
38. ## English

Wolunteering at an orphanage. I have worked at an orphanage. There were a lot of work to do. I talked with children there and helped them with math. I taught them English, too. I was happy because I could help others. (Would you check the passage above?)

asked by rfvv on October 15, 2010
39. ## Physica

a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is

asked by Q19 on July 15, 2012
40. ## Math

How many square tiles with sides 1ft long on each edge would be needed to cover the floor of an 8 by 13ft room? Work Multiply 13ft by 8ft?

asked by Need help desperately on October 20, 2015
41. ## factoring

Factor x3 + 9x2 + 27x + 27 Factor 8a3 + 60a2b + 150 ab2+ 125b3 I tried doing them, but I just don't get how; perfect squares didn't work and neither did decomposition... someone please help me.

asked by Chujung on December 4, 2007
42. ## Entrepreneurship

If a company is organized by a function, it is grouped into parts based on what? A. the type of work people B. the product being produced C. the type of customer being served D. location

43. ## Calculus

A cable that weighs 3 lb/ft. is used to lift a golf cart which weighs 700 lbs up to the deck of a boat which is 300 ft above a loading dock. Find the work done.

asked by Joe on May 6, 2015
44. ## american government

most of the work on legislation in Congress is done by a)by committees and their respective subcommitees b)on the floors of the House and Senate c) conference committees d)through consultation with bureacratic agencies IS A OR C,CORRECT?THANK YOU:))))

asked by vedrana on August 5, 2010

My questin is If r=5z then 15z=3y, then r= I just can't seem to determine how to set this problem up. I tried subsutition but that doesn't work for me either? Thanks in advance I assume you want to define r in terms of y. If r = 5z, then 3r = 15z.

asked by Katie on March 5, 2007
46. ## art

10th century copper sculpture illustrated work of artist peforming "giving tangible form to the unknown" the unknown case in this is what diety

asked by Anonymous on August 3, 2011
47. ## physics

A standard man climbs 10 m up a vertical rope. How much energy in calories is dissipated as heat in a single climb if 20% of the total energy required is used to do the work?

asked by John on April 24, 2013
48. ## Physica

a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is

asked by 1999999 on July 17, 2012
49. ## Physical Chemistry

Derive an expression for number of electrons N(E) with energy that can escape from a metal in terms of Z(E) (density of state) and F(E) (Fermi-dirac function) and ф (work function).

asked by John on November 18, 2011
50. ## Math [Calculus]

I'm asked to find the volume of the solid bounded by the curves x=1+y^2 and y=x-3, rotated about the y-axis. I have a general idea of how to start the problem off, but I'm not sure how to find the interval that I need to work with...

asked by Tii on January 10, 2010
51. ## Math

The food that the average American consumes in a day provides 2.0 X 10^3 kcal of energy. How many calories a sec is this? *how to set up work in dimensional analysis*? & *what is "k" in kcal stand for*?

asked by Karen on August 26, 2015
52. ## p.e

You think your friend is depressed and may be considering suicide. Which of the following actions should you avoid? A. Tell him how concerned you are about him; you'll probably embarrass him. B. Leave him alone to work it out. C. Tell an adult you trust

asked by Beau on September 19, 2014
53. ## physics

a loaded cart, mass220-kg is pulled across the ground with the force of300n acting at angle 37 degree with the horizontal. how much work is done in moving the cart 20m?

asked by christian on March 20, 2013
54. ## math

a refreshment stand at the fair was open for 3 hours. four people each took turns working at the stand for the same amount of time hoe many minutes did each person work ?? HELP PLEASE !!!

asked by ritzy on December 13, 2011
55. ## Math

How many square tiles with sides 1ft long on each edge would be needed to cover the floor of an 8 by 13ft room? Work Multiply 13ft by 8ft?

asked by Anonymous on October 20, 2015
56. ## art

i have an assignment due next next week. its about why some artworks were made. the only one i don't know is, why was the art work empress Theodora and her attendants made? and what are some possible reasons that the artist is unknown.?

asked by kiki on September 10, 2014

Give an example of how each of following management structures affects the day-to-day work of an organization? 1) Departmentalization 2) Matrix Organizations 3) The project Team 4) The Collegial Model

asked by Anonymous on March 16, 2007
58. ## Basic algebra

jenelle makes \$7.25 an hour at the flower shop write an inequality to find out how many hours you was work to earn at least \$125 how do you want does the word step-by-step

asked by Anonymous on January 17, 2017
59. ## College Level Physics

A horse pulls a cart with a force of 145 newtons at an angle of 30 degrees above the horizontal and moves along at a speed of 2.5 m/s. How much work to the nearest kJ does the force do in 6 minutes?

asked by Devin on June 9, 2013
60. ## Basic tech

A girl pushes a load of mass 20kg to a distance of 10 metres in 5 seconds calculate (1) the work done (2) the energy used (3) the girl's power (a=g=10m/s square)

asked by Olorunnimbe on November 25, 2014
61. ## English

I am doing the 4 humours for english home work and have to give examples of characters from tv, film or book that match the 4 humours so melancholy, phlegm, sanguine and choler.

asked by Anonymous on November 16, 2011
62. ## Math

Find the missing dimensions for each three-dimensional figure to the nearest tenth given the volume and other dimensions. I'm not understanding the cones too much. r=5in., v = 487in.3 How do I work it, given only the radius

asked by Nia on March 23, 2011

When UV light of wavelength 295nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.50eV. What is the work function of the metal? W0 in eV

asked by Sheila on April 24, 2013
64. ## English

Please check my work. Identify whether if this sentence is complex, an exclamation, declarative, or interrogative. The car broke down, but a rescuer van arrived within minutes. ----- Complex

asked by Priya on July 20, 2011
65. ## Physics

A machine with v.r of 5 requires 1000No of work to raise a load of 500N through a vertical distance of 1.5. ( a ) find the efficiency of the machine. (B) calculate it's mechanical advantage

asked by Reagan on April 17, 2019
66. ## Physics

If an automobile engine delivers 45.2 hp of power, how much time will it take for the engine to do 5.40 105 J of work? (Hint: Note that one horsepower, 1 hp, is equal to 746 watts.) in seconds

asked by John Dagle on January 26, 2013
67. ## Maths

A rock, R, is 40 km from a harbour, H, on a bearing of 040°. A port, P, is 30 km from R on a bearing of 130°. Draw a sketch showing the points H, R and P and work out the size of angle HRP.

asked by Sam on September 14, 2011
68. ## Maths

A rock, R, is 40 km from a harbour, H, on a bearing of 040°. A port, P, is 30 km from R on a bearing of 130°. Draw a sketch showing the points H, R and P and work out the size of angle HRP.

asked by Sam on September 14, 2011
69. ## physics

"A projectile is fired horizontally at 14.9 m/s from the edge of a 7.05-m-high cliff and strikes the ground. Find the horizontal distance the projectile traveled." I have no work cause I have no idea how to do this...

asked by hailey on September 21, 2014
70. ## science

Which cells do the authors identify as the ones most likely to hold the key to increased human longevity and vitality and how might this work? Describe one alternative to cloning that the authors mention.

asked by Pat on January 12, 2015
71. ## Literacy

To help employees become more effectively productive, companies may form cross- _______ teams that draw on people from different departments to work on a special project. A. gender C. managerial B. trained D. functional my answer is C or D but i believe D

asked by Heather on January 23, 2012
72. ## Histroy

Once they arrived in the United States, immigrants experienced a life very different from what they imagined. Which was not something that was most immediately part of their experience? (Points : 1) Labor scams Low skilled work Religious tolerance

asked by John on April 14, 2013
73. ## English

I was sick this weekend so the person who sent home my work didn't send me the book and my notes for this english assignment so can u please help me!! Nominative and Objective case 1. the guide showed (we, us) the Yoruba sculpture exhibit. is it us?

74. ## psychology

After a serious injury,Lusy has lost her sensitivity to hot an cold.Therefore,she can no longer work in the kitchen because she's afraid she might burn herself.More than likely there was damage to her A hippocampus B hypothalamus C cerebellum D parietal

asked by vedrana on September 21, 2009
75. ## English

Could you check these sentences, please? Thank you for helping me! 1) Here is the translation I did on the presentation of the school as received (in Italian) from..... I'm attaching it to this email together with the things he still has to complete. 2) He

asked by Henry2 on February 7, 2012
76. ## Science

2-abc 3-def 4-ghi 5-jkl 6-mno 7-prs 8-tuv 9-wxy 639-8667(Apple dodger) 622-4463(let it do the work) 385-2786(an important point)

asked by Anonymous on November 9, 2015
77. ## Math

A 50 kg individual needs to work at a MET level of 6 to reach her target heart rate. If the treadmill speed is set at 3.5 mph, what grade is needed? If she exercise for 30 minutes at this intensity, how many kcal will she expend.

asked by NM on October 6, 2013
78. ## Physics

A uniform rectangular marble slab is 3.4m and 2.0m wide.it has a mass of 180kg.its originally lying on surface flat ground. How much work is needed to stand it on It's short end? pls with formula need

asked by DAMILOUS on June 9, 2019
79. ## Physics

A roller coaster starts from rest at the top of a steep incline. As it falls, should its velocity depend on how many riders are aboard? Use net work= change in kinetic energy to prove your answer.

asked by Sandy on September 6, 2012
80. ## math help!!!!! Thanks

Find the surface area for the given square prism. ----------- l. l 8in. l. l l. l l----------l 10 in. 14 in. A.564 in^2 B.664 in^2 C.1,120in^2 D.1,080 in^2 Can somebody explain how to work this problem out? Because when I try I'm only getting 196, 216 Or

asked by Callie on February 4, 2015
81. ## math help

Sorry if this has been posted twice, but we have tried this numerous times and can not work it. Due in the morning. Suppose that a hypothesis test is to be carried out by using á = 0.05. What is the probability of committing a type I error? (Give your

asked by JACKIE on June 22, 2013
82. ## CHEM (HELP PLS)

Suggest the syntheses of putrescine and cadaverine from ethyl bromide I don't think I can use Grignard can I? PLEASE HELP. CH3CH2Br + CH3CH2Mg/EtoEt -> CH3Ch2Ch2Ch2MgBr + NaN3/EtOH -> CH3Ch2Ch2Ch2N=N=N + LiAlH4/H20 CH3Ch2Ch2Ch2NH2? Then what? does this

asked by lauder on April 30, 2011
83. ## social studies

i dun get this. ulysses s grant lost his popularity with voters as a result of a. desire for reconciliation between north and south b.lack of work to the reconstruction c.presidency scandals d. dissatisfaction with the republican party.

asked by Alec on November 18, 2008
84. ## Common Sense

Do people actually work for this website like, bobpursely, gurublue, PSY,Leo, and other? We teachers are all volunteers. We answer questions on this site because we enjoy helping students learn. And yes -- we are real human beings!

asked by Gina on October 12, 2006
85. ## SS

Free trade has led to move more manufacturing jobs in Mexico because it? 1) They encourage them to work harder 2)they make it possible for more people to become U.S. citizens 3)they discourage them from working for reform 4) they increase their dependence

86. ## History

Look up the 12th amendment to the constitution and summarize it in several sentences. then discuss its impact on theelections of 1804 ? Are you going nuts? Do you think someone here will do that for you? Folks here will gladly critique your work or

asked by Milind on October 5, 2006
87. ## British Litature

Of all the characters highlighted in the works included in this unit, which one did you relate to or identify with the most in terms of his or her struggles and conflicts? Why? What was it about this character that made him or her affect you as he or she

asked by Abbie on May 23, 2012
88. ## English

hi im suppose to write a motivational speech and i need help i started off like: High School was like a maze. It had twists and turns and sometimes I felt lost. Throughout my four years I learned that with hard work and strong determination I could get

asked by J ay on September 28, 2008
89. ## College Statistics 2

I saw that this was already answered but I can't find it if anyone knows, can you point me in the right direction? A recent poll of 700 people who work indoors found that 278 of them smoke.If the researchers want to be 98% confident of thier results to

asked by Andrea on January 28, 2009
90. ## psychology

hi, i need help please can you help me Asahe oves quickly around the restaurant where she works as a waitress, Alicia fnds herself humming in her head the phrase,"Just whistle while you work!" this is an example of a/an A) proposition b) prototype C)

asked by loreta on November 7, 2009
91. ## unscrambling a word

aenbllnd is there any topic relating to this? enabled? does that work? No. Two ls in the original. I tried www.unscramble.net -- it says no matches. Sorry. =( is nendball a word? or nandbell? those are the 2 most wordish noises I could get where ther is

asked by John on November 1, 2006
92. ## Biology Question

A cell is lacking in its supply of amino acids. Which of the following will occur? A- mRNA will not be formed because enzymes may not be present. B- The ribosomes will not work properly because there will be no proteins. C- tRNA may not be able to fulfill

asked by Ayrial on January 2, 2015
93. ## Physical Science

Objects accelerated to relativistic speeds....live shorter or grow bigger? Please note that we don't do students' homework for them. Once YOU have attempted to come up with a response to YOUR questions, please re-post and let us know what you think. Then

asked by Gina on March 29, 2007
94. ## Statistics

with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 50 percent of SOC 390 students work more than ____ hours per week? ..I don't understand how to figure this question out?

asked by mary on November 7, 2011
95. ## social studies

i have work to do and one of the questions is For hundreds of years chinese kept how to make this a secert, but eventually the process was smuggled out of the country. it is made from the cocoon of a catpillar that feeds on mulberry leaves. if you could

asked by brianna on January 27, 2009

How much work is done by the centripetal force (in this case, the friction between the tires and the road) on a 1200 kg car moving on a circular track of radius 50 meters at a constant speed of 31.4 m/s? A. 7.4 • 10^6 J B. 19.7 J

asked by Lisa on January 10, 2014
97. ## Literacy

To help employees become more effectively productive, companies may form cross- _______ teams that draw on people from different departments to work on a special project. A. gender C. managerial B. trained D. functional my answer is B

asked by Heather on January 21, 2012
98. ## Math

Calculate the integrals by partial fractions and using the indicated substitution. Show the results you get are the same. dx/1-x^2; substitution x= sin pheta I understand how to do the partial fraction part, but not the second part and I don't know how

asked by Jessica on February 25, 2008
99. ## Physics

Joshua has a mass of 60kg and stands next to a wall ona frictionless skateboard. If he pushes the wall with a force of 30N, how hard does the wall push on him? Show that Joshua accelerates at .5 m/s2 away from the wall.

asked by Jennie on February 7, 2010
100. ## statistics

participant on tv show picke from lage # applicants with equal number of men and woman .amongst the last 9 participant 7 have been women . if they are picked randomly what is the probability of geting 7 more women when 9 people are picked

asked by janice on July 13, 2013