# 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 294
1. ## ECON 4346

4-The three fundamental economic questions of what, how, and for whom: a-exist because of scarcity. b-are much more serious in a socialist system. c-are not serious in a capitalistic system. d-are not relevant in the industrialized world of today. 5-When

asked by Randy on September 19, 2012
2. ## Chemistry

You work at a fastr food restaurant 5 days a week, 6 hours a day, and are paid \$840 every two weeks. Each hour you wrap 184 burgers. How many burgers will you have to wrap to make a million dollars? I got \$7142857 from the proportion: \$1,000,000x 2

asked by Tabetha on May 19, 2009
3. ## Chemistry

a. What is the theoretical [H+] of 0.00030 M HCl? Answer: 0.00030 b. The above 0.00030 M HCl solution was prepared in the lab by dilution. The pH of the solution was measured as 4.23. Calculate the [H+] from the measured pH. Answer: pH = 4.23 = 10^ (-4.23)

asked by Cassie on April 3, 2011
4. ## Education technology

what is the importance of including the elements of design in visual art? The elements work together to help influence thoughts and emotions The elements are mandatory in any piece of art work Art is not art without each element The elements are individual

asked by Tula on May 9, 2016
5. ## chemistry

suppose you are given the following experimentally observed facts regarding the reactions of silver ion. (a) Ag+ reacts w/ Cl- to give white AgCl (s) (b) Ag+ reacts with ammonia to give a quite stable complex ion, Ag(NH3)2+ (c) a black suspension of solid

asked by Ana on April 2, 2011
6. ## Chemistry

Dr. Bob222, Yesterday I posted a question and you answered me with how to calculate it.. Can you tell me if I'm doing this correctly?? Please! Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were

asked by Jennie on February 25, 2015
7. ## Chemistry

A solution of NaCl in water has a vapor pressure of 18.1 torr at 25 degrees C. What is the mole fraction of NaCl solute particles in this solution? What is vapor pressure at 45 degrees C? Vapor pressure of pure water is 23.8 torr at 25C and 71.9 torr at

asked by Sara on March 7, 2010
8. ## chemistry

a sample of 20.0 mL of 0.100 M HCN (Ka=6.2*10^-10) is titrated with 0.150 M NaOH. a) what volume of NaOH is used in this titration to reach the equivalence point? b) What is the molar concentration of CN- at the equivalence point? c) What is the pH of the

asked by Anonymous on January 8, 2013
9. ## Spanish 1

I have to match the verb with the subject. 1.Maria(estudiar) 2.Nosotros(comer) 3.Yo(ser) alta, pero el(ser) 4.El y ella no(vivir) 5.Tu (estar) Maria Estudia Nosotros Comemos Yo soy alta, pero el es el y ello no viven tu estas (accent on a) (present tense)

asked by Aubrey on February 25, 2007
10. ## Biology

Both sickle -cell anemia and hemophilia A.are cause by genes coded for defective protein. B.are seen in homozygous dominant individuals C.are diseases of the gastrointestinal system D.none of the above

asked by Helppls on August 6, 2017
11. ## cjs200

Write a 200- to 300-word response describing the purpose of jails in society. Is the current system effective? Explain your rationale.

asked by Anonymous on March 11, 2011
12. ## physics

HELP! ok here it goes... Compute the resultant and the equilibrant of the following system of coplanar concurrent forces: 100lbs, 30degrees; 141.41lb, 45degrees; 100lb, 240degrees.

asked by TC123 on September 27, 2007
13. ## Human Resources

Describe the function and importance of the four external and six internal consideration for developing an intergrated information management system for a human service organization

asked by Keisha on February 22, 2009
14. ## Criminal Justice

Write a 200- to 300-word response describing the concept of due process, including how it applies to the criminal justice system.

asked by Francois on November 9, 2012
15. ## Intensive Reading (CHECK MS SUE)

Detergent isn't just a cleanser. It's also something that A.debilitates a patient's immune system B.sterilizes needles*** C.strips away existing cells D.cuts through grease Is it B? Please help

asked by Bobby Newberry on January 11, 2018
16. ## math

In the U.S. a date such as January 12, 2003 is written 1/12/03, but in many other countries the day and month are interchanged, giving 12/1/03. If you didn't know which system was being used, how many dates in a year would be ambiguous to you?

asked by Tonya on February 14, 2012
17. ## US HISTORY

The Atlantic Charter included the principle of: A) Freely elected governments B) economic cooperation between nations C) a system of general security D) all of the above WELL I KNOW FOR A FACT THAT ITS NOT A & D SO ITS BETWEEN B & C !

asked by tROMPUDAh on June 2, 2011
18. ## Criminal Justice

Compare and contrast state and local programs as they contribute to successful reintegration and transition services for women in the criminal justice system

asked by Kay on October 9, 2011
19. ## Computers

I have to generate OOP code for a system that tracks my CDs and DVDs. I have gotten through the defining of class and subclass and don't know what to do next. Do I need to create the records and then sort?

asked by Heidi on December 18, 2009
20. ## government

Which word describes the Spanish system of giving control of Indians to a settler for forced labor? A. hacienda B. encomienda C. hacendados D. campesinos

asked by Charlette on April 2, 2012
21. ## Phil/251

What Fallacy is this statement? We can recognize that althletes that participate in sports must be given special consideration within our grading system, or we can let the university sink into althletic oblivion.

asked by Thomas Jackson on February 21, 2008
22. ## intro to computers

You call the help desk to report a problem you are having on your computer. The technician asks you what operating system you are running. You know it is Windows 7 but you forget which version. How can you find out?

asked by tiffany on December 7, 2014
23. ## Math 115

What units in the metric system would you use to measure each of the following quantities? (a) Distance from Los Angeles to New York (b) Your waist measurement (c) Width of a hair (d) Your height

asked by Debbie on November 30, 2008
24. ## Social Studies

Which of the following did the Greeks adopt from the Phoenicians? Select all that apply. A. idea of democracy B. writing system C. weights and measures D. iron weapons E. architecture I think B and E.

asked by Bri on September 18, 2018
25. ## Introduction to computers

You call the help desk to report a problem you are having on your computer. The technician asks you what operation system you are running. You know it is windows 7 but you forgot which version . How can you find out.

asked by Eric on November 10, 2015
26. ## math

What units in the metric system would you use to measure each of the following quantities? (a) Distance from Los Angeles to New York (b) Your waist measurement (c) Width of a hair (d) Your height

asked by deedee on October 1, 2008
27. ## human services

What are some credits/vouchers benefits/services provided by the social welfare system? What would be a negative and a positive for the Supplement Security Income benefit?

asked by Anonymous on October 2, 2007
28. ## Physical Scinece

A Measurement is defined as_. a. system of prefixes b. the distance between two points c. an exact quantity people agree to use for comparison d. the interval between two events

asked by Dalton on October 9, 2007
29. ## Chemistry

Spontaneous reactions ________. always release free energy*** always result in increase disorder of the system always take place at a rapid rate are always exothermic

asked by Ben on May 16, 2016
30. ## Government

The hacienda system in latin america most closely resembled? A. communist states B. fuedal systems C. modern parliaments D. direct democracies Is it B?

asked by Anonymous on April 3, 2012
31. ## Teacher Aide

Which statementis true regarding the structure of the school system in the U.S. a its centralized under the Dept of Education b It's decentralized c It's controlled by the teacher's and their unions d It's managed by the state

asked by Amy on March 9, 2013
32. ## Math (functions)

If we have the function f(x) = (ax + b) / (cx + d) with a,b,c,d real numbers for which values of a,b,c,d is the following true f(f(x)) for all x I do a whole lot of algebra and get that that a,b,c,d must satisfy some conditions : c*(a+d) = 0 (d^2) - (a^2)

asked by Anonymous on September 2, 2015
33. ## time and stress management

once you've determined your long and short term goals you can use ?to determine how to best use your time (a)filing system (b)tickler file (c)monthly calendar (d)to do list really not sure if its c or d could someone please help me

asked by susue on October 10, 2012
34. ## History

1. Identify two major empires that controlled land around the Mediterranean Sea. 2. Justinian’s Code became the framework for what system used by most modern European countries?

asked by DavidEx on December 21, 2018
35. ## chemistry

name each of the following ionic compounds by stock system... couldn't find these in the list. a)NaCl b) KF c) CaS d) Co(NO3)2 e)FePO4 f)Hg2SO4 g) Hg3(PO4)2

asked by john on March 2, 2008
36. ## math

Basic unit of volume in the metric system; equal to 1.057 quarts. Is it A.centi- B.dec- C.gram D.liter E.meter F.milli-

asked by spencer on October 2, 2007
37. ## EARTH SCIENCE

Do you foresee humans colonizing the planets and moons of our solar system in the long term future of our species? What kind of terraforming would be necessary to make this possible?

asked by Anonymous on June 29, 2010
38. ## math

What units in the metric system would you use to measure each of the following quantities? (a) Distance from Los Angels to New York (b) Your waist measurement (c) Width of a hair (d) Your height

asked by Peggie on September 2, 2008
39. ## human services

describing the function and importance of the four external and six internal considerations for developing an integrated information management system for a human service organization.

asked by tee on February 9, 2010
40. ## social studies

1. Name the five responsibilities of united state citizens? 2.System of sharing power in the government 3.Name the 6 criteria for becoming a naturalized citizen. 4.Purpose of checks and balances? Please help me!! thanks

asked by mi on May 20, 2013
41. ## criminal justice

could someone please let me know where I can find this type of question to read. discuss three key aspects of the school shootings that the court system has addressed so far. Thank you very much Mary Ann

asked by Mary Ann on April 7, 2015
42. ## health

A function of the female reproductive system is to provide a nourishing environment in which fertilized ____ can grow A.Ovary B. Sperm*** C.Egg D.Uterous

asked by Anonymous on November 2, 2015
43. ## Health

3. Which of the following body systems works with the circulatory system to exchange oxygenand carbon dioxide? (1 point) digestive nervous respiratory urinary

asked by PLZ... CHECK MY WOK~Health on February 20, 2015
44. ## Health

1. Which of the following is the minimum level of structure needed to perform the function of waste removal? (1 point) body system tissue cell organ

asked by PLZ... CHECK MY WOK~Health on February 20, 2015
45. ## civics

Which of the following is an example of a foreign policy issue? A. national health care B. the federal budget C. global warming D. public education system Is the answer B.?

asked by Nani on June 3, 2015
46. ## EDU

What is the importance of the Ole Deluder Satan Act? Why was it made? I know that required that towns with 50 or more families establish schools, but what is the connection with the school system?

asked by ggirl on July 23, 2010
47. ## troduction to computer

you call the help desk to report a problem you are having on your computer. The technician asks you what operating system you are running . you know it is windows 7 but you forget which version. how can you find out

asked by Anonymous on April 17, 2015
48. ## Social Studies

which of the following was an effect of nativism in the United States in the 1920s? A. the Great Migration** B. the Scopes Trial C. the Jones Act of 1917 D. the quota system

asked by Kylita335 on March 12, 2017
49. ## Science

A 0.5kg mass connected to a light spring of constant 20N/M occilates on a frictionless track. Calculate the total energy of the system

asked by Charles on September 23, 2016
50. ## world history

What was one result of the cultural blending between Muslims and Hindus ? A.the destruction of buddhism B.the mughal dynasty C.the skin religion D.the caste system My answer is ..B ?

asked by ciara on May 19, 2012
51. ## economics

explain the importance of the following terms in the u.s. free enterprise system:a)profit motive, b)voluntary exchange, c)private property rights, and d)competition

asked by ivonna on May 18, 2011
52. ## P.E

A physician who treats disorders of the nervous system is a A. Psychiatric social worker B. Neuroligist C. Psych neruologist D. Clinical psychologist Is the answer B?

asked by Gwen on September 19, 2014
53. ## Science

one year ago How many Global Positioning System (GPS) satellites are required to pinpoint your location on Earth’s surface? (1 point) 24 12 3 5 i think it's 4, but 4 is not an option

asked by Elliot on May 9, 2015
54. ## jnbjln

What is the pH of 1.00 L of the 0.100 M hydrofluoric acid/0.120 M fluoride ion buffer system from the previous problem after 0.020 mol of NaOH is added?

asked by kinks on May 1, 2017
55. ## Names in American Society

In American society, most people take on the last name of their father at their birth. This kind of system is known as what? I've seen someone ask this question on a different site and had wanted to answer them. I thought I had the term. Does it start with

asked by LR on November 16, 2017
56. ## Periodic Table

What is a good website to go and download a copy of the periodic table on one side and the metric conversion system on the other...you know like the one's they pass out to students during a major test.

asked by Anonymous on December 26, 2007
57. ## Computers

You call the help desk to report a problem you are having on your computer. The technician asks you what operating system you are running. You know it is Windows 7 but you forget which version. How can you find out?

asked by john on March 21, 2019
58. ## IT Fundmentals of Programming w/ Algoriths & Logic

How would I write an object-oriented pseudocode for a system that allows a user to enter their name into a text box? When they press the Go button a message will be displayed in a label that says “Hello” and their name.

asked by Ray on June 11, 2011
59. ## physics

A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 0.3 Hz. (a) What is the angular velocity of this system?

asked by Anonymous on November 26, 2012
60. ## social

" All roads lead to Rome" os a famous saying that originally described the Roman highway system. why would the romans have developed their road network with roem as its focus?

asked by Anonymous on December 10, 2008
61. ## Social Studies

Which industry has thrived in Arkansas thanks to the states location in the country and its system of highways? A. Commercial fishing B. Automobile Manufacturing 🔽C. Trucking D. Entertainment

asked by N. Jayden on April 2, 2019
62. ## Healthcare

I need some help with how do health care facilities use electronic medical records. And som examples of challenges faced when implementing a universal EMR system

asked by Nikia Walker on October 28, 2008
63. ## Social studies

Which of the following was an effect of nativism in the United States in the 1920s? A.) the great migration B.) the scopes trial C.) the Jones act of 1917 D.) the quota system

asked by Anonymous on May 9, 2019
64. ## us history

A subversive is someone who is trying to overthrow or undermine a government or political system from within. With this in mind, explain what the cartoon's artist was trying to convey about American society in 1947?

asked by cassie on February 5, 2016
65. ## Biology

I'm making a study guide for this class and I'm not sure about this question.. can someone give their input? There is another effect that fertilizer had on an aquatic system. What is that called? I think it may be referring to pollution?

asked by Mila on October 18, 2016
66. ## maths

The real numbers x and y satisfy the nonlinear system of equations {2x2−6xy+2y2+43x+43yx2+y2+5x+5y==174,30. Find the largest possible value of |xy

asked by Anonymous on June 23, 2013
67. ## Physics

Physics Question Help please!!!? A 3.70 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 17.0 cm. (a) Find the total mechanical energy of the system

asked by Anonymous on April 23, 2011
68. ## Physics

A mass is vibrating at the end of a spring of force constant 225 N/m. On a position x vs time graph, how do you determine: How much energy did this system originally contain?

asked by Marie on November 15, 2007
69. ## History

I am to write an historical investigation, and this is my first time writing something like that. Is an IB school. the question is "How did the factory system affect the life of the working class in Britain?"

asked by Matilda on June 24, 2014
70. ## Taxonomy

Where can i find the 8 divisions of Linnaeus' classification system? What are the characteristics used to group dissimilar organisms http://en.wikipedia.org/wiki/Scientific_classification

asked by Amanda on October 8, 2006
71. ## Physics

Vector Aarrowbold points in the negative y direction and has a magnitude of 8 units. Vector Barrowbold has the same the magnitude and points in the positive x direction. Find the direction and magnitude of the following vectors. a) Aarrowbold + Barrowbold

asked by HELP on October 12, 2012
72. ## maths

my exams are starting from next week i am facing so much problems in perimeter and area of simple geometrical figures . my question is ;find the area , in square centimetres , of a rectangular strip of board 3.28 m long and 75 mm wide . the second question

asked by alizeh ali mir on February 19, 2015
73. ## Stat

A bank is testing a new method for getting delinquent customers to pay their past-due credit card bills. The standard way was to send a letter (costing about \$0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new

asked by Lisa on November 11, 2013
74. ## World Geography

REVIEW 1.How do lines of latitude and longitude help geographers study Earth? A. These lines show geographers the direction of Earth’s rotation around the sun. B. These lines help geographers see the difference between oceans and landforms on Earth’s

asked by bre on April 5, 2013
75. ## Science

Processing Information 1. Which of the following sets of terms could be used in a description of the peripheral nervous system? :Motor neuron, interneuron, sensory neuron.*** :Brain, sensory neuron, myelin. :Interneuron, spinal cord, autonomic. :Somatic,

asked by TheLOUDEST_0430 on February 26, 2015
76. ## Physics

The world record for revolutions per minute for an ice skater is 308 RPM, held by Natalia Kanounnikova. You can see a video of the spin here. When she starts the spin and her leg is extended, she's going somewhere between 1-2 revolutions per second. Let's

asked by Bob on April 8, 2013
77. ## math

It is known that approximately 20% of the population is colour blind. In a sample of 270 people, use the normal approximation to find probability that: a)at least 90 people are colour blind b)exactly 50 people are colour blind I already posted this

asked by Jenna on December 21, 2016
78. ## Chemistry

A 25.00mL sample of a household cleaning solution was diluted to 250.0mL in a volumetric flask. A 50.00mL aliquot of this solution required 40.38mL of 0.2506 M HCl to reach a bromocresol green end point. Calculate the weight/volume percentage of NH3 in the

asked by Ellen on March 28, 2012
79. ## chemistry

β-Galactosidase (β-gal) is a hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides. A 0.474 gram sample of β-galactosidase is dissolved in water to make 0.144 L of solution, and the osmotic pressure of the solution at 25

asked by can i have some help? on August 29, 2017
80. ## Lea408

can someone please tell me if I am right Like optical scanners, capacitance fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint. But instead of sensing the print using light, the capacitors use electrical current.

asked by Scott on June 8, 2014
81. ## chemistry

A volume of 100mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added the following quantities of 1.00 M NaOH to the reaction flask. Classify the following conditions based on whether they are before the equivalence point, at the

asked by Anon on August 6, 2012
82. ## algebra II,math

this is another from a different section can you show me how to solve it. An electronics company produces three models of stereo speakers, models A, B, and C, and can deliver them by truck, van, or station wagon. A truck holds 2 boxes of model A, 2 of

asked by mathstudent05 on May 29, 2007
83. ## physics

A CD has a diameter of 12.0 cm and a mass of 15.8 g. The motor in a CD player causes the disk, initially at rest, to spin. When in operation, the CD spins in such a way that the laser scans the tracks at a constant tangential velocity of 1.20 m/s. The

asked by trace on January 18, 2011
84. ## LA

Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you

asked by blurryface on December 5, 2017
85. ## Research Methodology and Program Evaluation

Can someone help me with the following questions? When the purpose statement denotes an attempt to identify phenomena, events, or exercises, he or she is using: a. clarifying methods b. quantitative methods c. ethnographic methods d. unreliable method I

asked by Lencho on June 17, 2017
86. ## Biology

You need to make 2.5L OF 3M H2SO4. H2SO4 comes as a stock solution in a concentration of 18M. How many ml of stock H2SO4 would you need to make the new solution?

asked by Anonymous on January 15, 2015
87. ## Writing

If I use a quote as a title, do I capitalize every first letter in the quote? Example: Should my title be... "The only place success comes before work is in the dictionary" or "The Only Place Success Comes Before Work Is In The Dictionary" please answer

asked by MathMat on May 5, 2013
88. ## Science

I have posted this question before and I have waited for 3 hours and no one is helping me. Please help me. I have 2 questions. 1.state whether each substance is a mechanical mixture, a suspension, or a solution. My answers are at the bottom. a)green relish

asked by Arushi on December 12, 2010
89. ## math

An elementary school is offering 3 language classes: one in Spanish, one in French, and one in German. These classes are open to any of the 93 students in the school. There are 35 in the Spanish class, 31 in the French class, and 22 in the German class.

asked by Amber on October 30, 2016
90. ## math

For a certain experiment, a student requires 100 cubic centimeters of a solution that is 8% HCI. The storeroom has only solutions that are 15% HCI and 5% HCI. How many cubic centimeters of each available solution should be mixed to get 100 cubic

asked by Mary on August 17, 2010
91. ## physics

Your friend is confused about ideas discussed in chapter 4 that seem to contradict ideas discussed in this chapter. For example, in Chapter 4 we learned that the net force is zero for a car traveling along a level road at constant velocity, and in this

asked by sarah on March 2, 2009
92. ## chemistry

The standard internal energy change for a reaction can be symbolized as ΔU°rxn or ΔE°rxn. For the following reaction equations, calculate the energy change of the reaction at 25 °C and 1.00 bar. Sn(s) + 2Cl2(g) --> SnCl4(l) ΔH°rxn = -511.3 kJ/mol

asked by jake on February 28, 2016
93. ## chemistry-calorimetric

Develop a detailed calorimetric method for determining the temperature of the warm water sample. Materials: Hot water sample of unknown temperature, Styrofoam cups with cardboard lid and stirrer, Thermometer, Pipets and burets, balance, ice, cold water,

asked by Cerra on October 19, 2010
94. ## algebra

Axia College Material Appendix D Landscape Design Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of do-it-yourself television

asked by compare and contrast two theories on the causation of crime on January 10, 2010
95. ## Algebra

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 4) The cheerleading squad is

asked by Help me?? 3 questions on March 20, 2014
96. ## Algebra

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 4) The cheerleading squad is

asked by Help me?? 3 questions on March 21, 2014
97. ## BIOLOGY HELP!!!!

Does it take energy for polymerization reasctions to proceed or ddo they occur spontaneoulsly?? Why or why not?? http://en.wikipedia.org/wiki/Endothermic_reaction 10. From a bottle of molten nutrient agar you need to pour 20 agar plates each containing 50

asked by BB on October 15, 2006
98. ## College Chemistry

A Galvanic cell consists of Mg electrode in a 1.0 mol L -1 Mg(NO3)2 solution and a Ag electrode in a 1.0 mol L-1 AgNO3 solution. Calculate standard emf for the spontaneous reaction of this electrochemical cell at 25 C, given that the standard reduction

asked by Elleni on October 27, 2010
99. ## chemistry abs spectrum and wavelength

Hello, can someone please help me? I'm stuck on a question: I'm doing an analysis of the absorbance of FeSCN2+ at it's max wavelength (i.e. 450nm where abs=0.154)The species I used to make the solution tested were Fe(NO3)3, HNO3, and KSCN. Now, the

asked by mary on March 23, 2011
100. ## chemistry abs spectrum and wavelength analysis

Hello, can someone please help me? I'm stuck on a question: I'm doing an analysis of the absorbance of FeSCN2+ at it's max wavelength (i.e. 450nm where abs=0.154)The species I used to make the solution tested were Fe(NO3)3, HNO3, and KSCN. Now, the

asked by mary on March 23, 2011