# 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 283
1. ## Math

Imagine that you’re the manager of an auto parts store. Figure A-2 contains your records of annual inventory figures for windshield wipers. Using the FIFO method of inventory pricing, what is the dollar value of ending inventory if there were 300 units

asked by Anonymous on January 4, 2010
2. ## math

the table below gives the distribution of village under different height from sea level in certain reign compute the mean height of the region by short-cut method. height(in meters): 200 600 1000 1400 1800 2200 number village: 142 265 560 271 89 16

asked by mojeed on February 12, 2019
3. ## Math

Richard purchased a car for \$39,905. He made a downpayment of \$15,000 and paid \$614 monthly for 4 years. Find the APR. Richard was able to payoff the loan at the end of 30 months. Using the Actuarial method find he unearned interest, and payoff amount

asked by Latrice on April 12, 2016
4. ## Diploma Math

A small object travels with a velocity of v=4-t^2 where t is the time in seconds, recorded from t=0, and v is the velocity in metres/second. a) Draw a graph of v(t) for 0¡Üt¡Ü3. b)Find ¡Ò[0,3,(4-t^2),dt] c) Use a suitable geomentric method to

asked by sean de la Harpe on November 2, 2012
5. ## Math

Calculate the monthly finance charges for the following credit card transaction, assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. \$500 balance, 20% rate, \$400 payment, average daily balance method.

asked by Linda on May 25, 2012
6. ## marketing

A manufacturer of a new product for whitening teeth would like to investigate the effects of package design and label information on consumer’s perceptions of the product and their intentions to buy it. Would you advise the manufacturer to use

asked by Alex on October 12, 2010
7. ## chemistry

A 355g sample of a saturated solution of KNO3(s) in water is prepared at 25.0 degrees C. If 50g H2O is evaporated from the solution at the same time as the temperature is reduced from 25.0 to 0.0 degrees C, what mass of KNO3(s) will recrystallize? i have

asked by david on February 22, 2010
8. ## Chemistry

Please help me. 1. A chemist adds 25.0 mL of a 43.4 g/dL iron (ii) bromide (FeBr2) solution to a flask. Calculate the mas in gram of iron (ii) bromise the chemist has added to the flask. 2. A certain substance X has a normal boiling point of 100.3 C and

asked by Katie on January 17, 2019
9. ## CHEMISTRY

The heat evolved in the reaction of hydrobromic acid with potassium hydroxide was determined using a coffee coup calorimeter. The equation for the reaction is: HBr(aq) + KOH(aq) -------------> KBr(aq) + H2O(l) When 25.0 mL of 1.00 M HBr at a temperature of

asked by TOM on November 16, 2017
10. ## Chemistry

A chemist wants to make 150 mL of a 1.26 M solution of carbonic acid to be used in the lab. How many grams of H2CO3 does the chemist need to make this solution? I converted mL to .150L, multiplied .150*1.26= =0.189 to get mol. H2CO3=62.028 so I multiplied

asked by Nick on June 6, 2015
11. ## biology

sir, there was a question in my biology test that required us to draw a graph of concentration of sucrose solution against rate of reaction. so how do I plot the graph? If i follow the question's requirement, i have to put the concentration of sucrose

asked by shakti on March 28, 2012
12. ## biology

sir, there was a question in my biology test that required us to draw a graph of concentration of sucrose solution against rate of reaction. so how do I plot the graph? If i follow the question's requirement, i have to put the concentration of sucrose

asked by shakti on March 28, 2012
13. ## Chemistry

A solution is made by adding 0.100 mole of ethyl ether to 0.500 mole of ethyl alcohol. If the vapor pressures of ethyl ether and ethyl alcohol at 20 oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20 oC (assuming ideal

asked by Chris on November 14, 2013
14. ## PDHPE

Describe how each energy system is used during a triathlon event.(swim - 1500m, cycle - 40km, run - 10km)

asked by Thaksha on December 12, 2008
15. ## mathematical physics

Determine the scale factors for an orthogonal coordinate system (s,t,v) whose coordinates are related to the Cartesian by the following equations: x = 2st, y = s^2-t^2, z = v.

asked by gourav on March 22, 2015
16. ## Science

Describe the pattern of regional surface winds around the center of a low pressure system in the northern hemisphere?

asked by Daniela on February 24, 2015
17. ## EDU310

What are the major issues that perpetuated the evolution of the American education system in the United States? How did they impact the changes that have taken place?

asked by Anonymous on November 20, 2010
18. ## Physics

What mass would you hang on the right side of the system in the figure to balance it -- that is, to make the clockwise and counterclockwise torques equal? (Let x1 = 33 cm and x2 = 12 cm.)

asked by Annabelle on July 3, 2016
19. ## science

which component of the technological system is achieved when your camera takes a photograph ? a) input b) feedback c) goal d) constraint

asked by victoria on September 29, 2013
20. ## Social Studies

How did the Japanese imperial court system of appointing government officials lead to the rise of the Fujiwara family?

asked by idk on May 7, 2019
21. ## Astronomy

Why is most of the mass of the solary system contained in the Sun? Briefly describe the protoplanet theory of planet formation. Please help. thanks.

asked by John on April 30, 2009
22. ## Pre-Calculus

Find the maximum and minimum values of the function for the polygonal convex set determined by the given system of inequalities. x + y > 2 8x – 2y < 16 4y < 6x + 8 f(x, y) = 4x + 7y

asked by Zakiyyah on August 29, 2012
23. ## maths

I applied Gauss Jordan on a matric and result what i get is x+2y=3 y=0 z=free How to find three intersection points for this system? Kindly help

asked by Asfand on July 16, 2016
24. ## fluid power

assume that the input piston has an area of 4.25 inches squared with a force of 3150 pounds what is the pressure in the system

asked by edward on September 13, 2012
25. ## Science

Without this system in the body, you would get really sick because toxins and waste would build up? (A) Cardiovascular (B) Excretory (C) Integumentary (D) Muscular I think its A, I really need this answered.

asked by I need help on January 14, 2016
26. ## U.S/history AP

welthy dutch settlers in New York. Given money and land to set up feudal system. my answer New Netherlands

asked by joy on April 15, 2013
27. ## Accounting

§179 expense is available for all of the following business assets except: A. a bulldozer. B. a phone system. C. an apartment complex. D. office furniture. is it A

asked by Andy on March 14, 2012
28. ## economics

If there was no item in the economy widely accepted in return for goods and services, how would transactions be made? How efficient would such a system be

asked by Anonymous on July 31, 2012
29. ## Chem

determine the final temperature of a system after 100.0g of zinc ( specific heat .3876 J/g c) at 95.0 C is immersed into 50.0 g of water at 15.C

asked by Cece on March 4, 2012
30. ## science

what 4 contributions did Galileo make to our understanding the solor system? i know one was the telescope the other he found 11 moons on jupiter whatare the other 2

asked by polly on December 3, 2008
31. ## History ASAP

ASAP please and thank you! Explain the difference between capitalism and communism. what role does the government play in each type of economic system?

asked by Regina on May 15, 2017
32. ## mechanics

calculate the gravitational potential energy of a system of 8 masses of 10 kg each placed at the corner of qube of each edge equal to 0.25meter.

asked by ajay on February 4, 2010
33. ## Sociology of Developing Countries

What are some key ways to ensure the armed forces of a Third World Country does not attempt a coup to take over the political system?

asked by Henry on August 28, 2010
34. ## social studies

Explain whether the following statement is a fact or an opinion: "Capitalism is a better system of government than communism." Give reasons for your answer.

asked by Luz on November 26, 2012
35. ## physics

A 326 g object is attached to a spring and oscillates with a period of 0.25 s. The total energy in this system is 5.83 J. What is the amplitude of the motion?

asked by shawn on July 19, 2012
36. ## physics

Write a multiple-choice question that requires the reader to apply conservation of momentum to a system of two objects.

asked by halloumi on February 13, 2018
37. ## customery units of measure

can you recommend a practice website for figuring out changing units in customary system lenght, cpacity , weight

asked by marko on January 17, 2012
38. ## AP Chemistry

Which of the following statements is true regarding two points within a system? A. They will have different types of particles. B. They cannot interact with each other. C. They have different boundaries. D. They have the same internal energy. Im think the

asked by Morgan on November 17, 2014
39. ## science/physics

just trying to find out what temperature the water in my celcius heating system needs to be to achieve an air tempature of 68 degrees ferinheidt

asked by Anna on October 26, 2015
40. ## health

The autonomic nervous system manages our ________. A. Heart rate B. Blood pressure C. Body temperature D. All of the above

asked by susan on September 6, 2012
41. ## PDHPE

Describe how each energy system is used during a triathlon event.(swim - 1500m, cycle - 40km, run - 10km)

asked by Thaksha on December 12, 2008
42. ## social studies

Explain whether the following statement is a fact or an opinion: "Capitalism is a better system of government than communism." Give reasons for your answer.

asked by Anonymous on November 26, 2012
43. ## health

What is the ultimate duty of the reproductive system? A. Menstruation B. Development of sex organs C. Reproduction D. Cell regeneration c?

asked by Anonymous on September 6, 2012
44. ## Science

How much rope will be needed to lift a load 48m in a single fixed pulley system if the effort is 63n and why

asked by Kennedy on January 6, 2011
45. ## social

What type of party system do we have in the united states and why? i need an answer cuz ive been looking for 2 hours and am so frustrated!!!! AHHHHHHHHHHHHHH

asked by Joanna on December 16, 2007
46. ## US Health Care System

Which one of the five principal features of US Health Policy do you think has the greatest influence on the system as a whole or carries the most importance for consumers. please explain why

asked by Gertrude Sanders on October 29, 2008
47. ## Math

By graphing the system of constraints, find the values of x and y that maximize the objective function. 2x+y0 maximum for p=x+2y

asked by Jewell on October 16, 2017
48. ## physics

What is the acceleration of the system if both blocks have a mass of 5.0 kg, and the coefficient of kinetic friction is 0.11? [___/4] (b) Determine the tension in the rope.

asked by sylvia on March 5, 2010
49. ## Accounting information system

1.The number of symbols in data fow diagrams. 2. Type of phrase associated with a process 3. Descriptor for entities outside the system.

asked by Fion on June 23, 2010
50. ## Science

A pulley system having 5 pulleys is used to raise a 450N load. find the mechanical advatange and hence the effort if the efficiency is 75%

asked by Emperor Sam on September 15, 2016
51. ## Mathematics

The nearest star to our solar system, is 4.3 light-years away Express this distance in miles in scientific notation

asked by nathan on June 29, 2013
52. ## Lit/Poem/The Planet on the Table

The subject of Steven's poem is the a. writing of poetry b. solar system c. speaker's disillusionment d. richenss of language A?

asked by Bella on February 17, 2009

Should other states wait to see if the high-speed rail system works well before starting their own plans for similar systems?

asked by X3 ISayRawr on April 10, 2014
54. ## science - psychology

outline two types of neural network that you may find in the visual system and state the advantage of each? thank you very much. im really stuck with this question.

asked by gingerbeard on June 25, 2008
55. ## Math

Hi! I need help with this question. Thanks! Directions: Try to find the number of solutions for the following system of equations then determine if it is Dependent, Inconsistent or Consistent. -3x-2y=6 x=-2-2/3y

asked by Kevin on March 18, 2015
56. ## Social Studies

The Romans developed their ____ from the Etruscans A. Alphabet B. Form of government C. System of money D. Language My answer is A.

asked by Forrest on December 11, 2018
57. ## Chemistry

how many grams of ammonium chloride are needed to raise the ammonia level 5 ppm in a 300 gallon system?

asked by Cyndy on February 15, 2015
58. ## health

What indicators would warn you that the team that is planning this transition to an electronic health information management system is not functioning well

asked by Michael on November 2, 2013
59. ## science

Two balls of masses 5 kg and 15kg are separated by a fixed distance of 0.8m. find the position of the centre of mass of system

asked by raynold on February 21, 2012
60. ## medical information management and office

the filing clerk has to file medical record 03-05-40 on the shelf which of the following charts is filed after 03-05-40 using the terminal digit system A. 04-05-41 B. 02-05-40 C. 03-03-39 D. 00-03-38 I think it is D not sure can anyone help thanks so much

asked by uknown on April 1, 2009
61. ## Health

One of the residents complains that he doesnt understand why insurance ccompanies need so much documentation and the reimbursement system is so complex. how do you respond?

asked by Martha on September 29, 2008
62. ## Science

Which parts of the frog's nervous system can be observed in its abdominal cavity and hind leg? spinal nerves

asked by Anonymous on February 4, 2007
63. ## Math

At&t bought a new computer system. The company borrowed. \$46,100 at 6 1/3% for 155 days. Find the interest owed?

asked by Lander on July 17, 2013
64. ## Health

Which body system would you expect to provide you the most protection from colds and the flu? a.cardiovascular b.integumentary c.nervous d.respiratory

asked by NEED HELP QUICK on March 6, 2015
65. ## edu 310

What are the major issues that perpetuated the evolution of the American education system in the United States? How did they impact the changes that have taken place

asked by Anonymous on November 15, 2010
66. ## Sociology

In the twentieth centruy, which country had a caste system based on race? a. India b. the USA c. South Africa d. a and b only e. b and c only

asked by Bill on October 29, 2012
67. ## Calculus

Find the limit as x approaches infinity. sqrt(81x^2 + x)− 9x. I've worked this two different ways and have gotten 0 and 1/9, neither of which is the right answer according to the homework system??

asked by kelly on September 14, 2015
68. ## Economy

summarize the way in which a free enterprise system or market economy produces goods and services. Please hep me. This is the only question I need help on. Please someone help me.

asked by GravityFallsRules on January 16, 2019
69. ## math

2 4 6 8 -1 2 4 3 4 -4 0 0 -2 1 0 0 0 0 0 0 piviot the system about the element in row 2 colum 1 enter the augmented matrix with the cell in their original position

asked by ron on January 24, 2019
70. ## Chemistry

If a particular reaction evolves 192 kJ of heat while expanding from 1.00 L to 2.00 L at 125 atm of pressure, what is the overall energy change for the system?

asked by Mai on April 12, 2014
71. ## American History

A system of government in which the power to govern is concentrated in the hands of one individual is known as? A.) Autocracy B.) Democracy C.) Theocracy D.) Oligarchy

asked by Anonymous on February 14, 2016
72. ## algebra 2

by graphing the system of constraints find the values of x and y that minimizes the objective function x+2y>8 x>2 y>0 >=greater than or equal to my answer was 0,10 am i right?

asked by the world forgot on September 29, 2017
73. ## American Gov

Capitalism is an economic system based on public ownership of property and a command economy True or False???

asked by Jason on September 13, 2011
74. ## math

Many scholars have set some standards to judge a system for taxation for its validity. How can you decide if a tax is good or bad

asked by CALI on March 30, 2013
75. ## Biology

Describe how the nervous system helps different parts of your body communicate with one another the moment you begin to pet a dog.

asked by Sara on June 9, 2015
76. ## History 1

Why do you think many stalwarts argued that ending the spoils system was antirepublica and contrary to the democratic heritage of the United States?

asked by Elena Morales on August 3, 2008
77. ## Physics

A pulley system has a velocity ratio of 4 and an efficiency of 80%.calculate the value of the effort required to raise the load of 480N

asked by Sharon on February 11, 2016
78. ## science

How do you make a model of a reproductive system, this is my daughters' year 7 science homework? Any suggestions for what to use to represent each part?

asked by Gwen on September 13, 2011
79. ## physics

What mass would you hang on the right side of the system in the figure to balance it -- that is, to make the clockwise and counterclockwise torques equal? (Let x1 = 30 cm and x2 = 12 cm.)

asked by trineishia on July 16, 2013
80. ## Finance

What minimum reduction in the time to collect and process each check is needed to justify use of the lock-box system?

asked by Anonymous on November 29, 2006
81. ## physiology

Excess potassium ion is eliminated from the body by a) the digestive system b) the kidneys c) the spleen d) sweating e) the liver b

asked by pbear on December 11, 2006
82. ## science

identify three kinds of nerons that are found in the nervos system?describe how they interact to carry nreve impulse?

asked by lexi on March 20, 2008
83. ## Chemistry

If a catalyst for the first elementary step is added to the system, what do you expect to happen to the plot of the potential energy diagram?

asked by Christian on May 16, 2007
84. ## Computers

Develop a use case diagram for a department store credit card system. Include at least two actors and four use cases.

asked by Jeff on December 2, 2012
85. ## AP US history

By violating the Navigation Acts and developing their own trading patterns, were the American colonies also creating their own mercantile system?

asked by Jackie on September 13, 2012
86. ## History

which of the following governments has unlimited power? a. unitary presidency b. socialist oligarchy c. parliamentary system d. constitutional monarchy i think its either a or b but im not sure, help me please.

asked by nyx on October 3, 2018
87. ## history

how did the Japanese Imperial court system of appointing government officials lead to rise of the Fujiwara family?

asked by holalalala on November 26, 2018
88. ## History

Did Islam enforce a patriarchal gender system? Cite examples from the reading to support or dispute this statement.

asked by Anonymous on June 29, 2011
89. ## Algebra 2

which of the following elementary row operations could be used to cancel the z term from equation 2 in the following system of equations X+y+z=1 (eq1) X+y-2z=-2 (eq2) 3x-2y+z=6 (eq3)

asked by Anonymous on March 1, 2019
90. ## Science (Physics)

Two 1.5 kg balls move away from each other, one traveling 9 m/s to the right, the other 2 m/s to the left. What is the magnitude of the total momen- tum of the system? Answer in units of kg · m/s

asked by Taylor on October 17, 2011
91. ## Science

Which of the following keeps Earth from falling into the sun? 1)the changing seasons 2)its location on the solar system 3)its gravitational pull 4)its inertia I think # 3 Thank you.

asked by Jamie Sperling on March 4, 2019

What are the top ten considerations for developing an integrated information management system for a human services organization?

asked by Michelle on November 15, 2007
93. ## biology

which of the following hormones helps the immune system fight off infections? A- PTH B- thymosine C- aldosterone D- GHRH E- GnRH

asked by Taylor on April 18, 2010
94. ## American Government

The Federal Reserve System b. is run by a congressional committee. c. regulates only national banks. e. None of these answers is correct. I would say C..

asked by HM on October 4, 2011
95. ## World History

During 1450-1750 did Western Europe develope a system were they could elect government postions,or were they still being sold or born into?

asked by Danielle on October 9, 2007
96. ## Int. science

Which of the following is an example of a cycle theme in science? seasons electrons and protons the solar system relationship between plants and animals

asked by Mclovin on October 2, 2014
97. ## SI Chemistry

What could you do to make sure that you yielded all of the product possible in an equilibrium system? btw you guys are awesome! you are total life savers on these!

asked by Cody on November 11, 2011
98. ## chemistry

Consider the reaction HCl + NaOH ->NaCl + H2O Given: HCl Solution: 22 degrees celsius NaOH Solution: 22 degrees celsius Final Temperature: 26.1 degrees celsius A. Calculate the amount of heat evolved when 15 mL of 1.0 M HCl was mixed with 35 mL of 1.0 M

asked by Vanessa on March 28, 2011
99. ## computer science

Write a method printBackwards that prints an array of integers in reverse order, in the following format. For the array {1, -3, 4, 7, 2}: element [4] is 2 element [3] is 7 element [2] is 4 element [1] is -3 element [0] is 1

asked by John on January 29, 2013
100. ## Math

Ashley can ride her bike to work in 2/3 of an hour. When she drives to work it takes 1/3 of an hour. If she drives 12 miles per hour faster than she rides her bike, how fast does she ride her bike?

asked by Chris on November 7, 2010