# 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 307
1. ## Operating Systems

How would you search the entire file system for a file named today.odt?

asked by Anonymous on October 21, 2009
2. ## Science

WHICH SYSTEM HAS THE GREATEST TIDAL EFFECT? EARTH-SUN OR EARTH-MOON?

asked by Blake on May 5, 2015
3. ## science

If I mix 300g of reactant A with 100g of reactant B in a close system how much will it weigh

asked by donna on March 13, 2016
4. ## math

FIND THE MODULO CLASS TO WHICH THE NUMBER BELONGS FOR THE GIVEN MODULO SYSTEM 53 mod 12

asked by nichole on June 12, 2011
5. ## chemistry

How will the removal of some HOCl(g) from the following system affect the equilibrium? H2O(g) + Cl2O(g) -----> HOCl(g)

asked by Jessica on March 31, 2008
6. ## Social studies

Name the tenants of a democratic society, or describe the belief system of democratic societies

asked by Stephanie on February 19, 2012
7. ## math

3x+2y = 0 x-2y = 0 If the system has infinitely many solutions, express your answer in the form x=x and y as a function of x Your answer is x=? y=?

asked by Jillian on September 3, 2009
8. ## math

Given: ∆PQR, m∠R = 90° m∠PQR = 75° M ∈ PR , MP = 18 m∠MQR = 60° Find: RQ M is on segment PR 9sqrt3 is wrong(the system did not take it)

asked by Grace on March 14, 2017
9. ## Math

Consider this system of linear equations: 22x − y = -23 (equation 1) 11x + 12y = 1 (equation 2)

asked by Kaleb on July 11, 2017
10. ## algebra

Example 2: The difference of two numbers is 16. The first number is 4 less than twice the second number. Set up this system that describes the situation.

asked by Tina on November 3, 2012
11. ## health projects

i need ideas how to make a reproductive system of the female? i don't have no clue how to make it

asked by joanna on September 2, 2011
12. ## criminal law/ college

I need to identify the bail sytem beneficiaries and what are some recommendations for the future of the bail system

asked by nette28 on May 25, 2010

Compare the American legal system to the international legal environment of business.

asked by Joseph on May 23, 2007
14. ## square roots

Describe the Number systems used in mathematics with the use of subsets of the real number system.

asked by lisa on November 20, 2012
15. ## physics

When heat transfers into a system, is the energy stored as heat? Explain briefly.

16. ## science

if you weigh 100 pounds on earth than how much would you weigh on each other planet in our solar system

asked by jack on February 14, 2011
17. ## anatomy

the nervous system is comprised of what 2 tissue types? I have connective tissue but I don't know the other one

asked by destiny on January 24, 2012
18. ## Social studies

compare the political system and the political philosophies of China to those ofEgypt and Mesopotamia?

asked by Maria on February 8, 2012
19. ## life orientation

name the three different systems of media ownership that can be found worldwide.name a country where each system can be found.

asked by chuene on February 17, 2013
20. ## CHM 152

For the system 2A (g) + B( g) = 2C (g), if the initial concentration of pure C is 1.00 M, the equilibrium concentration is 0.40 M. What is the value of Kc? Choose one answer. a. 5.0 b. 0.45 c. 0.67 d. 2.2 e. 1.5

asked by AMI on March 26, 2010
21. ## life orientation

Name 3 different systems of media ownership that can be found worlwide.Name a country where each system can be found

asked by Anonymous on March 10, 2013
22. ## Chemistry

What is the pH of a buffer system that contains 0.18M NH4+ and 0.14M NH3? The pKa of NH4+ is 9.25.

asked by Aaron on April 18, 2013
23. ## Social Studies

Explain why the capitalist system developed in Europe. (Explain In Paragraph plz)

asked by name:unknown on October 25, 2018

The retail price of a gaming system is $270. What is the wholesale price? (There is an 80%) markup. asked by Kim on March 31, 2019 25. ## Health Care Do you think that there is a difference if an EMR system is put into a small facility or a big facility? asked by Lori on November 3, 2010 26. ## Physics A 24.5-kg child is 11.6 m from an 85.5-kg adult. Where is the center of mass of this system? Take the origin at the position of the child. asked by Plase help soon on October 1, 2016 27. ## college- accounting We just starting the chapters in accounting in school. We have about 10 problems to do. I will post one problem here and i need someone to show me how exactly they got it, so i understand and it could help me work on the other 9. here it is- The asked by gaba on September 28, 2010 28. ## Biochem What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions? Condition: A cell-free yeast extract is placed in a solution that contains 3.50 × 102 mmol glucose, 0.30 mmol ADP, 0.30 mmol Pi, asked by Mark on April 3, 2013 29. ## Chemistry Le Chateleir`s Principle Please check if my answers are right and i dunt know some of them: Consider the following system at equilibrium: A(aq)+B(aq) 2C(aq) Classify each of the following actions by whether it causes a leftward shift, a rightward shift, or asked by Saira on February 5, 2009 30. ## physics A toy car with a mass of 120 g moves to the right with a speed of 0.56 m/s. A small child drops a 25.0-g piece of clay onto the car. The clay sticks to the car and the car continues to the right. What is the change in speed of the car? Consider the asked by Angie on February 28, 2010 31. ## Chemistry (Check) classify each of these statements as always true, sometimes true, or never true. __ST___11)The unit of a conversion factor must cancel. __AT___12)the conversion factor for changing grams and milligrams is 1g/1000mg ___ST__13)multiple conversions factors asked by Bryan on January 23, 2007 32. ## MATH (ASAP) Jay and Tia are planning to buy snack chips. • Individual bags of chips cost$3.00 each. • Each case of chips contains 10 bags and costs $25.00. a. If Jay buys 1 case of chips, what is the cost per bag? Show or explain how you got your answer. b. How asked by Frances on March 4, 2012 33. ## psychology Hi I need help with my homework, I wrote down my answers, just need you to check if their right. Thanks 1. which of the following is not a goal of psychology? A. Measurement **** B.Prediction. C. Control D. Intellectualism 2. psychologists need to decide asked by studyguy on October 11, 2013 34. ## chemistry A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal asked by renee on February 22, 2012 35. ## chemistry A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal asked by renee on February 22, 2012 36. ## Chemistry A titration involves titrating 0.4 M NaOH into a solution of 0.2 M H3PO4. a.) Calculate the volume of NaOH that will be required to reach the first equivalence point. b.) Calculate the volume of NaOH required to reach the second equivalence point. Other asked by Anonymous on February 8, 2014 37. ## please proofread this essay? I would like to take this opportunity to let you know that I am interested in applying for AP United States History. I believe that taking AP United States History will prepare me well for my college education and beyond. In addition, this course will asked by Anonymous on February 10, 2009 38. ## Writing Sentences and Paragraphs Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe asked by Shawna on January 3, 2012 39. ## Statistics A die has one red face, two blue faces, and three green faces. It is rolled 5 times. Find the chance that the red face appears on one of the rolls and the remaining rolls are green. [Careful what you multiply. The most straightforward method is to follow asked by AmmanJordan on April 20, 2013 40. ## financial accounting eckman company purchased equipment for$80,000 on january 1,2011 and will use the double declining balance method of depreciation. it is estimated that the equipment will have a 5 year life and a $4,000 salvage value at the end of its useful life. the asked by daniel on November 19, 2012 41. ## Math Jennifer has a 60-month fixed installment loan, with a monthly payment of$223.04. The amount she borrowed was $11,000. Instead of making her 36th payment, Jennifer is paying the remaining balance on the loan. What is the total amount due to to pay off the asked by Hira on April 15, 2011 42. ## English Animals have been used in medical research for centuries. Most of the animals used for research are rodents such as rats, mice, hamsters and gerbils. Some dogs, cats and a variety of goats, ferrets, pigeons, monkeys and rabbits are also used .The struggle asked by Walker on April 4, 2008 43. ## chemistry An orgnaic compound contains C, H, No, and O. Combustion of 0.1023 g of the compound in excess oxygen yielded 0.2766 g of CO2 and 0.991g of H2O. A asample of 0.4831 g of the compound was analyzed for nitrogen by the Dumas method. At STP, 27.6 mL of dry asked by kaliegh on December 9, 2007 44. ## Math If the total bill at a restaurant, including a 15% tip, is$65.32, what is the meanl alone? I just need help setting up the equation. I know it should be in the format of 100*_____=15*_______ but I feel like I am missing 2 parts of the equation. Can

asked by russell on April 5, 2007
45. ## Math I need help ASAP! I'm getting timed

Which ratios form a proportion? 1. 4/12 , 6/8 2. 16/12 , 3/4* 3. 3/2 , 15/14 4. 10/16 , 5/8 Which ratio forms a proportion with 9/15? 1. 6/10 2. 16/21 3. 36/50 4. 45/70 A textbook weighs 2.5 pounds. How many kilograms does the textbook weighs? Round your

asked by Lelo on November 24, 2014

I am needed to build a seigneury model for my life in a Segneurial System project. Does anyone have any ideas on how to build one.

asked by Peyton on January 11, 2009
47. ## Coordinates in the real world

I really need a real-world application in which the coordinate grid system is used. it doesn't have to be real long just a few sentences. thanks :)

asked by BaileyBubble on December 18, 2012
48. ## healthcare

I hope that someone out there might be able to answer this question for me or direct in some way. so I would appreciate any help I can get. My question is: Can strategic planning and managing help the US Healthcare system? How?

asked by Blondie on March 13, 2008
49. ## Economics

A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

asked by Salman on February 27, 2010
50. ## computer science

Compare how data is handled in the NTFS EFS+, Ext3fs, and NTFS. Which one do you consider to be the most reliable file system? Why?

asked by dennis on September 12, 2012
51. ## Physics

A spring with a spring constant of 40.1 N/m is attached to different masses, and the system is set in motion. What is its period for a mass of 2.8 kg?

asked by Chris on February 11, 2015
52. ## english

Values and Lifestyle system of consumers in James B. Twitchell's What We Are to Advisters. What are the consumers gropups being targeted?

asked by Anonymous on April 14, 2011
53. ## Calculus

A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

asked by Salman on March 1, 2010
54. ## Calculus

A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

asked by Salman on February 28, 2010
55. ## Pre-Calc/Trig...

Am i correct? It is possible for a system of linear equations to have no solutions. True

asked by Anonymous on October 3, 2014
56. ## american history

under the system,spanish conquistadores were rewarded with local villages and control over the local labor force

asked by Anonymous on April 25, 2011
57. ## check and see if correct

Which organ is NOT a part of the digestive system? A. Esophagus B. Gallbladder C. Kidneys D. Mouth My answer would be mouth

asked by Angie on September 7, 2014
58. ## Chemistry

in a closed system at 40 C, a liquid has a vapor pressure of 50 KPa. the liquid's normal boiling point could be (1)10 C (2)30 C (3)40 C (4)60 C

asked by Hannah on February 23, 2011
59. ## Earth Science

asked by amanda on February 9, 2009
60. ## physics

How much energy will be required to move a balance system to move it 4 centimeter towards up and down side (linear motion).

asked by vikram on September 4, 2016
61. ## Physics

Find the mechanical energy of a block-spring system having a spring constant of 0.93 N/cm and an oscillation amplitude of 4.2 cm.

asked by Javan on December 5, 2011
62. ## Calculus

A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

asked by Salman on February 27, 2010
63. ## Intro to computers

The command prompt found on Windows 7 and Windows 8 is very similar to the interface of what past operating system?

asked by Sam on July 27, 2014
64. ## algebra

Find the point of equilibrium for a system that has a demand equation of p= 49.0,000 3x and a supply equation of p= 33+0.00002x

asked by Jasmine on June 20, 2015
65. ## differential equations

Convert x''+ sin(x) = 0 into a first order system of equations. (x'' refers to the second derivative of x). I tried: y1 = sin(x) y2 = x' {y1' = cosx {y2' = -sinx Not sure if I did it right.

asked by Sarah on November 25, 2015
66. ## Psychololgy

I have to trace the memory system from stimuli into long term memory and I'm having trouble finding information to help me with that. Can anyone help?

asked by Lynn on May 24, 2008
67. ## algebra,math,

is this factorable its a trinomial: x^2+2x+3 No, not factorable in the real number system. b^2 -4ac is negative, so the roots are imaginary.

asked by jacky20 on April 18, 2007
68. ## Computer science

Which of the following statements does not contain an error? 1. string firstName= in.next(); 2. string lastName= in.nextline(); 3. system.out.print("\n"); a. 1 only b. 2 only c. 3 only d. 1 and 3 only e. 2 and 3 only is the answer 1 and 3

69. ## Math

John's Specialty Store uses a periodic inventory system. The following are some inventory transactions for the month of May, 2009.

asked by Bobbi Loffredo on March 19, 2011
70. ## SCIENCE

Critical dimension of a lithography system is given by: Line width Spacing Contact dimension Minimum of these three

asked by MEMS on August 27, 2018
71. ## Physics

three masses are suspended from a meter stick as shown. How much mass must be suspended on the right side for the system to be in equilibrium?

asked by Faith on July 4, 2011
72. ## computer science

Which of the following statements does not contain an error? 1. string firstName= in.next(); 2. string lastName= in.nextline(); 3. system.out.print("\n"); a. 1 only b. 2 only c. 3 only d. 1 and 3 only e. 2 and 3 only is the answer 1 and 3

73. ## chemistry

You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8 ºC. What is this temperature in ºF?

asked by kr on January 31, 2012
74. ## math

the pass code to mrs.kyles alarm system is 6 digits.each can be from 0 - 6 and can only be used once.how many different combinations can mrs.kyle come up with?

asked by lisa on January 20, 2009
75. ## physics

. What is the resultant momentum of a system of two particles with these masses and velocities: 3.75 kg moving north at 5.6 m/s and 4.2 kg moving northwest at 2.3 m/s?

asked by Anonymous on October 12, 2014
76. ## 1 Quick Banking Question

Which of the following is a consideration when comparing returns on financial instruments in a globalized financial system? A. The Return B. The Maturity C. Both A & B Thanks!

asked by Bobby on December 6, 2009
77. ## Algrebra-Systems of Equations

Mary is twice as old as her nephew. The sum of their ages is108. Write system of equations that could be used to find there ages.

asked by Resha on January 19, 2012
78. ## algebra 2

graph each system of equations and describe it as consistent and independent, consistent and depedneent, or inconsistent 37. y=3x-4 y=6x-8 38. y=2x-1 y=2x+6 39. 2x+5y=10 -4x-10y=20

asked by anonymous on September 29, 2014
79. ## psycology

Discuss how the visual system resolves ambiguities by making different types of assumptions and describe these assumptions.

asked by Anonymous on November 4, 2010
80. ## Geography

asked by thi on May 31, 2015
81. ## Electrical

Given the following system equations: -Put them into Standard Form, and -Simplify using Cramer’s rule IS + G1 (VA + VB) – G2VB = 0 G2VB + G1 (VA – VB) = 0

asked by Chris Williams on March 12, 2011
82. ## algebra 2

graph each system of equations and describe it as consistent and independent, consistent and dependent, or inconsistent 10. y+4x=12 3y=8-12x 11. -2x-3y=9 4x+6y=-18 12. 9x-2y=11 5x+4y=13

asked by anonymous on September 29, 2014
83. ## cost and management accounting

Choice any company and explain the five ways of applying cost and management in company process system.

asked by columbus on October 11, 2012
84. ## Engineering

A receiver requires 10 mW as input power. If all the system losses add up to 50 db, then how much power is required from all the source ?

asked by Rita on September 1, 2008
85. ## Government

The structure of the lower federal court system is established by. A. congress B.the constitution. C.the Supreme court. I think c

asked by Calvin on December 29, 2011
86. ## CRIMINOLOGY

Does the states criminal system follow the rule of law which is set forth in the constitution and is federal law?

asked by bianca on April 9, 2011
87. ## Math

"Two numbers have a sum of 15 and a difference of 7. What are the two numbers?" A word problem using system of equations and I'm pretty lost an help?

asked by Kai on February 25, 2018
88. ## physics

A spring with a spring constant of 53.0 N/m is attached to different masses, and the system is set in motion. What is its period for a mass of 2.7 kg?

asked by Anonymous on September 23, 2014
89. ## Economics

A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

asked by Salman on February 26, 2010
90. ## Complex Numbers

The system of equations |z - 2 - 2i| = \sqrt{23}, |z - 8 - 5i| = \sqrt{38} has two solutions z1 and z2 in complex numbers. Find (z1 + z2)/2. Im really just plain old confused. Could anyone help me out?

91. ## Biology

Briefly describe a portal system and give the location of two portal systems in the human body.

asked by Nicole on March 18, 2014
92. ## English

Can you please help express the concept below? Thank you, Writeacher. I was last proud of myself when I got an A in maths/when I got a 7 and a half (according to the Italian grade system) in maths.

asked by Mike1 on April 24, 2012
93. ## computer science

Which of the following statements does not contain an error? 1. string firstName= in.next(); 2. string lastName= in.nextline(); 3. system.out.print("\n"); a. 1 only b. 2 only c. 3 only d. 1 and 3 only e. 2 and 3 only is the answer 1 and 3

94. ## science

how are the physical, chemical, and biological characteristics of a stream system changed as stream order increases?

asked by Anna on December 10, 2008
95. ## Introduction to computers

The command prompt found on Windows 7 and Windows 8 is very similar to the interface of what past operation system.

asked by Eric on November 10, 2015
96. ## Intro. to Computers

The command prompt found on Windows 7 and Windows 8 is very similar to the interface of what past operating system?

asked by Anonymous on May 22, 2015
97. ## Chemistry

In an experiment, 238 mL of 0.45 molar hydrochloric acid completely reacts with excess iron to produce hydrogen gas and iron (III) chloride. What volume will the hydrogen gas occupy if it is collected over water at 35 degrees Celsius and 735 torr? The

asked by Tichele on January 19, 2011
98. ## Science

1) Which of the following describes the correct sequence of the movement of food during digestion? :Stomach, large intestine, small intestine :Mouth, esophagus, small intestine :Esophagus, stomach, small intestine*** :Small intestine, stomach, large

asked by Food and Energy on February 11, 2015
99. ## Math- Intesection of a plane and line

Does the line [x,y,z]=[5,-9,3]+k[1,-12,2] intersect the plane [x,y,z]=[4,-15,8]+s[1,-3,1]+t[2,3,1]? If so, how many solutions are there? ( I tried finding the normal vector, there after finding the "d" value to write in scalar equation, and once it is in

asked by Shaila on August 28, 2010
100. ## Chemistry

There's reaction involving gas: Fe + H2SO4 -> Fe2(SO4)3 + H2O + SO2 How Fe2(SO4)3 is occur? I know the "2" comes from the ion of SO4, but I don't know where the "3" comes up. Is the Fe2(SO4)3 comes up from half-reaction method? Is the reaction occurs in

asked by Jeremy on March 19, 2015