# 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 324
1. ## math

asked by Andrea on April 17, 2018
2. ## math

-8y+3(g+h) - -5y-4(g+h) With solution please. Thank you!

3. ## precalcus will someone check my homework

f(3)=-3/8 and (f-2)=-12 MY SOLUTION F(-2)=ab^-2 = -12 F( 3)=ab^ 3 = -3/8 b^5 = 12 * 3/8 = 32 b=2 12 = a(2)^2 12 = 4a a =3 f(x)=3(2)^x

asked by luckybee on March 3, 2012
4. ## science

what is one example of a solution?

asked by marcus on August 20, 2008
5. ## chemistry

What is the pH of a solution if [H+] = 2.3 x 10–5 M?

asked by Anonymous on May 4, 2014
6. ## Algebra

w^4-6w^2-2=0 what is the solution?

asked by Julie on May 24, 2011
7. ## algebra

is (5/6,-2) a solution for -6x-7y=9

asked by franklin on November 5, 2010
8. ## algebra

is the solution of -2x>1/9 -2x

asked by babs on August 5, 2011
9. ## math problem

is (-4, 7) a solution of 6x -5y = -2

asked by Lavern on January 20, 2012
10. ## math algerba

½(y-2)+2 =3/8(3y-4) Is 4 a solution?

asked by kelsey on November 8, 2011
11. ## algebra 1

What is a solution of x2 + 6x = -5?

12. ## chemistry

If the pH of a particular solution is 2.08, then the [OH -] must be:

asked by Anonymous on December 5, 2011
13. ## Chemistry

What is the pH of a solution with a [OH-] of 10^-2

asked by Sam on September 24, 2017
14. ## algebra

-2 x 7 = -3 + t + 24 solution?

asked by lauren on April 27, 2009
15. ## Math

What is the solution to x + 4 = 12?

asked by Oh dang on September 6, 2018
16. ## ALGEBRA 1

is (8,5) a solution of yx+7

asked by janika on May 14, 2012
17. ## algebra

4x + 8 < 12 Is x = 2 a solution? Is x=0 a solution?

asked by Sam on February 15, 2011
18. ## math

what is the solution to m + > -1 ? f.m-7 h.m=-7 j. -7

asked by kattie on January 4, 2011
19. ## Algebra

[2x-12]/[3x-6] * [x^2-4]/[x^2-36] * [3x+18]/[4x+8] Would the solution be (x-4) over 2(x-2)(x+2)?

asked by Anonymous on September 24, 2009
20. ## math

the solution to n\4 -6 > -2 is

asked by kattie on January 4, 2011
21. ## Algebra

1/8 + 2/t = 17/8t Is t = 1 the only solution?

asked by Anonymous on January 8, 2015
22. ## math

what is the solution 7x + 5 - 3x > -15 a.x_> -5 b. x_ 5 d. -5

asked by kattie on January 4, 2011
23. ## Algebra readiness ( pre algebra)

what is the solution to q+ (-9) =12?

asked by NARUTO on September 23, 2017
24. ## math

What is solution 5q =-75? I think it is -15

asked by Lost on September 1, 2015
25. ## Algebra

Which of following is a solution to x^3=8 24, 5, 2.73 or 2?

asked by Anonymous on April 28, 2014
26. ## Math

What is the solution to m+(-13)=-18 A.M=28 B.M=5 C.M=-5 D.M=-28

asked by Caylee on September 21, 2015
27. ## Math

The solution of d+s>−3 is d>−7. What is the value of s?

28. ## Algebra

x^t+2 / x^t Would the solution be x^2?

asked by Anonymous on December 17, 2009
29. ## Math

. Which is a solution of 2 8 x 1 5 \$ 11?

asked by Tiffany on January 15, 2018
30. ## math

what is the solution to 5-t=23 a:t=28 b:t=18 c:t=-18 d:t=-23 what is the value of b if -7+b=-8 a:b=15 b:b=1 c:b+-1 D:b=-15

asked by Anonymous on August 31, 2018
31. ## math

what is the solution to 2w + >19 + 5w ?

asked by kattie on January 4, 2011
32. ## Algebra

x^t+2 / x^t Would the solution be x^2?

asked by on December 16, 2009
33. ## Chemistry

What is the pH of a solution with a [H+]=10^-8?

asked by Sam on September 24, 2017
34. ## vocabulary

Please check for correction ! words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of

asked by chanel on June 7, 2014

Here's the question I'm having trouble with. Please walk me completely through the question and give me the answer so I can thoroughly understand it, so I can solve similar problems in the future. #1: Mary uses a secret code to write messages. First, she

asked by Caroleen on January 6, 2009
36. ## chemistry (electrochemistry)

1) For the following electrochemical cell Cu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 1.50 M)|Ag(s) write the net cell equation. Calculate the following values using standard potentials as needed. Eo cell and dGo for each

asked by Andrew on April 15, 2013
37. ## Algebra II

Our current assignment is to find the LCM, Least Common Multiple of two polynomials. I think I'm doing it right but I'm not quite sure. For the first question: 2t^2+t-3, 2t^2+5t+3 I have 2t^2+t+3 as the LCM. Is this correct or can somebody step me through

asked by Dave on February 15, 2007
38. ## math dealing with varibles

solve this problem S-46=14 is it... a)34 b)31 c)32 d)none of the above do you know how to solve for S? You want all of the variables (in this case S) on one side and the numbers on the other. We have S on the left side; we leave it there. We need to move

asked by Tre'Chon Williams on November 15, 2006
39. ## chemisry

Two half cells in a galvanic cell consist of one iron electroide in a solution of iron sulphate and a silver electrode in a silver nitrate solution a) Assume that the cell is operating as a galvanic cell. State the oxidation half reaction, the reduction

asked by Kelsey on August 25, 2010
40. ## Chemistry

In this investigation, you will study the reaction between lead(II) nitrate, Pb(NO3)2, and potassium iodide, KI, to determine the percentage yield of lead(II) iodide. This reaction occurs based on the following equation: This image shows Pb(NO sub 3 ) sub

41. ## english

Last time I tried this the whole essay didn't get shown. If I am doing something wrong please tell me how. "In “Class in America-2003,” Gregory Mantsios argues that America favors the rich and a person’s race and class standing greatly influences

asked by Mick on February 11, 2008
42. ## Math

The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4.

asked by Bea on November 28, 2016
43. ## Math

The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4.

asked by Bea on November 28, 2016
44. ## ALGEBRA HELP #4

The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4.

asked by Tony K on August 11, 2017
45. ## math

he coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4.

asked by Ashley on November 28, 2016
46. ## PHYSICS NEED HELP FAST

A 150KG STEEL ROD IN A BUILDING UNDER CONSTRUCTION SUPPORTS A LOAD OF 6050KG. DURING THE DSY THE RODS TEMP. INCREASES FROM 22C TO 47C CAUSING THE ROD TO THERMAALLY EXPAND AND RAISE THE LOAD 5.5mm. FIND THE EGERHU TRANSFER AS HEAT TO OR FROM THE ROD. THE

asked by ricki on March 2, 2011

a) Addition of Na2S2O3 to I2+I-->I3 in an aqueous layer will turn the solution clear and colourless. Write an equation explaining this observed colour. b) Addition of Na2S2O3 to I2+I-->I3 in an varsol layer will turn the solution pink. Write and equation

asked by Natasha on March 2, 2014
48. ## Chemistry

How do you determine the percent composition by mass of a 100 g K2SO4 solution containing a 20-g solute. What is the mole percent composition of the solute, assuming that the solution consists of 100 g water and 20 g of K2S04? For percent composition of

asked by Sofia on June 23, 2009
49. ## Physics

Note: I am in Alegebra-based Physics. You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain tool is pushed on a frictionless horizontal surface by a 12.2 N force, it moves 16.3 m in the

asked by Josie on September 30, 2006
50. ## HSM 270

I just need someone to explain this suggestion to me about a evaluation plan. I am so confused and my instructor not answering her phone. I really need help. The assignment was to describe the types of evaluations you would include in your evaluation plan

asked by Tiara on March 22, 2010
51. ## HSM 270

I just need someone to explain this suggestion to me about a evaluation plan. I am so confused and my instructor not answering her phone. I really need help. The assignment was to describe the types of evaluations you would include in your evaluation plan

asked by Tiara on March 22, 2010
52. ## Heat Capacity

When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100 g of water, the temperature rose from 23.9 C to 32.0 C. Calculate delta H (in kJ/mol) of for the solution process: NaOH (s) -> Na+(aq) + OH-(aq) Use a calorimeter heat

asked by Jamie on December 18, 2012
53. ## Chemistry - Heat Capacity

When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100 g of water, the temperature rose from 23.9 C to 32.0 C. Calculate delta H (in kJ/mol) of for the solution process: NaOH (s) -> Na+(aq) + OH-(aq) Use a calorimeter heat

asked by Amy on December 17, 2012
54. ## math

what is the expression for the area of the shaded region in the diagram in factored form? diagram: (shaded) Large circle have diameter of 8x (clear) small circle have diameter of 8y ___ my work: Area of large circle - Area of small circle Pi * 4^2 - pi *

asked by Jay on January 30, 2015
55. ## Social Studies

The president of the United States is elected by the electoral college. What type of system is this? a) dicatatorship b) monarchy c) oligarchy d) pure democracy e) representative democracy

asked by Barbie on April 30, 2008
56. ## chemisrty

a 445 g sample of ice at -58 degrees celcious untill its temperature reaches -29 degrees celcius. find the change in heat content system

asked by daniel on March 22, 2009
57. ## science

This type of auto-immune disease occurs when the immune system attacks the layer of insulation that surrounds the nerves and slows nerve impulses.

asked by kevon on February 22, 2016
58. ## Health

What indicators would warn you that the team is planning this transition to an electronic health information management system is not functioning well? Where can I find this information or what sub- title would be appropriate for this question.

asked by Traci on December 3, 2015
59. ## government

in a mutiparty system a A)coalition b) consensus c) working arrangement d) enabling act is a temporary alliance of several groups to form a working majority in a legisture.

asked by lisa on September 24, 2008
60. ## physics

The coefficient of friction between the block of mass m1 = 3.00 kg and the surface in the figure below is ìk = 0.365. The system starts from rest. What is the speed of the ball of mass m2 = 5.00 kg when it has fallen a distance h = 1.90 m?

asked by zamdirhy on April 19, 2012
61. ## phy

A 10kg mass and a 2.0kg mass are connected by a light string over a massless, frictionless pulley. if g=9.8ms^-2, what is the acceleration of the system when released? (98ms^-2)

asked by saima on January 7, 2015
62. ## operating system

a set of instructions explaining how to save a Microsoft® Word document on a computer running a Windows-based operating system to a computer disc

asked by Anonymous on November 2, 2009
63. ## algebra

4)Find the exact solutions of each system of equations x^2+y^2=25 and 9y=4x^2 answer= (3,4),(-3,4) This is correct from what I found after entering the functions into my TI-83 calculator and using the trace=> intersect function on the calculator.

asked by Marissa on August 21, 2007
64. ## algebra

1. Write an equation in slope-intercept form for the line that passes through (3,5) and (-2,1). 2. Describe the system 6x-2y=10 and 9x-3y=8 as consistent and independent, consistent and dependent, or inconsistent. Explain

asked by John on June 30, 2008
65. ## computer science

In a particular phase modulation system, each symbol is able to represent 6 bits. What sort of PSK is being used plain PSK QPSK 8PSK 16PSK 64PSK 256PSK

asked by saima on November 30, 2015
66. ## Database Management

What is wrong with using MS Access for a fifty station online purchasing system or though rare, when might it be OK. What is wrong with using SQL Server for a "Mom and Pop" shop of three computers?

asked by Jennifer on August 22, 2010
67. ## WORLD HISTORY

Fill In The Blank: The( blank) developed the most complex writing system in the Americas. Answer Choices Below: 1. Maya 2. Aztez*** 3. Olmec 4. Zapotec am i correct

asked by Mel❤nie on January 28, 2019
68. ## Human resource

Suppose you are a staff nurse in a hospital that uses an incentive compensation system. Do you have an obligation to disclose the nature of the compensation arrangement to patients? if so, how should this information be communicating, and by whom?

asked by Anonymous on March 18, 2017
69. ## government

in a mutiparty system a A)coalition b) consensus c) working arrangement d) enabling act is a temporary alliance of several groups to form a working majority in a legisture

asked by Anonymous on September 24, 2008
70. ## chemistry

A piece of a newly synthesized material of mass 25.0 g at 80.0 ◦ C is placed in a calorimeter containing 100.0 g of water at 20.0 ◦ C. If the ﬁnal temperature of the system is 24.0 ◦ C, what is the speciﬁc heat capacity of this material?

asked by Austin on October 2, 2012
71. ## gover nment

in a mutiparty system a A)coalition b) consensus c) working arrangement d) enabling act is a temporary alliance of several groups to form a working majority in a legisture. is it d or c

asked by Anonymous on September 24, 2008
72. ## Physics1

A vector is drawn with its tail at the origin of an xy coordinate system. In which quadrant does the vector point if the angle with respect to the positive direction of an x axis is -135°?

asked by Alex on September 10, 2014
73. ## Physics 203 ( College)

Four particles, one at each of the four corners of a square with 2.5-m-long edges, are connected by mass less rods. The masses of the particles are m1 = m3 = 2.0 kg and m2 = m4 = 7.0 kg. Find the moment of inertia of the system about the z axis.

asked by Kayla on April 4, 2011
74. ## history

the presidentof the united states is elected by electoral college. what type of system is this? a)dictatorship b)monarchy C)pure democracy d)oliogarchy e)represenative democracy

asked by jessica on October 3, 2007
75. ## Math - Algebra 1

A field must be fenced in. There is 212 yards of fencing material to be used. What should the dimensions of the enclosed area be to ensure that is has the largest area possible? (system of equations) Dimensions_____________________

asked by Lauren on January 24, 2017
76. ## Physics

Consider an inertial reference frame. In this coordinate system 1. nothing can accelerate. 2. there is no inertia. 3. objects with no forces acting on them have no acceleration. 4. inertial mass depends on your elevation.

asked by Milan on September 11, 2011
77. ## History

Which early civilization had a well-organized, unified empire with an organized system of roads covering more than 10,000 miles A. Iroquois B. Aztecs C. Mayan D. Incas

asked by I hate life on August 23, 2018
78. ## Social studies

How did George Washington create and shape our community? would these be a few ways he created a cabinet system he created the first bank he set the term limit of the president

asked by Tommy on October 4, 2016
79. ## computors...non-school related

What Can I Do... When I try and open an email attachment, The Message Is This 'This Operation Has Been Canceled Due To Restrictions In Effect On This Computer. Please Contact The System Administrator'. Well... I Am The Administrator... So... How Can I

80. ## Physics

Inside an insulated container, a 250-g ice cube at 0°C is added to 200 g of water at 18°C. (i) What is the final temperature of the system? (ii) What is the remaining ice mass?

asked by Meder on April 27, 2013
81. ## american government

American's founding have roots in: a)beliefs about the proper use of war b)commercial practices c)system of absolute rule d)religious beliefs IS D CORRECT ANSWER ?THANK YOU:)))

asked by vedrana on June 23, 2010
82. ## PHYSICS

two masses m1 = 12 kg and m2 = 13 kg are connected by a light inextensible string passing over a frictionless pulley. Find (a) acceleration of the system when released from rest (b) tension in the string ?

asked by Camz on December 3, 2015
83. ## Chemistry

The equilibrium system N2O4(g) 2NO2(g) was established in a 1.00-liter vessel. Upon analysis, the following information was found: [NO2] = 0.500 M; [N2O4] = 0.0250 M. What is the value of Keq?

asked by Chiara on March 18, 2011

Compare the following objects in the our Solar System in terms of 1. Where they are located and 2. What they are composed of : Sun Terrestrial planets Jovian planets Asteroids Comets Meteroids

asked by peyton on January 17, 2011
85. ## reimbursement

New medicare payments systems and implementation of SC HI both came out to the? A. Balance budget act. B. Federal act 33-2 C. Retrospective payment system D. Health maintenance organization

asked by a on December 18, 2014
86. ## Science

Which of the following represents a decimal system of measurement? 1 quart = 16 fluid ounces 1 mile = 5,280 feet 1 kilometer = 1,000 meters 1 pound = 16 ounces

asked by Shane on October 17, 2012
87. ## physics

During a tennis serve, the racket of a tennis player continues forward after it hits the ball. Is momentum conserver in the collision? Explain, defining the system.

asked by Teri on February 12, 2010
88. ## Physics

Two negative charges each of unit magnitude and a positive charge q are placed along a straight line. At what value of q will the system be in equilibrium? Check whether it is stable, unstable or neutral equilibrium.

asked by Daniel on February 16, 2013
89. ## accounting

The president of Penman Corporation, John Burton, has asked you, the company's controller, to advise him on whether Penman should develop a just-in-time (JIT) inventory system.

asked by mike on February 18, 2007
90. ## chemistry

A 15.0 g of sample of silver is heated to 100.0 0C and then placed in a constant-pressure calorimeter containing 25.0 g of water at 23.0 0C. The final temperature of the system was measured as 25.0 0C. What is the specific heat of silver?

asked by Luke on November 7, 2010
91. ## history

Fill In The Blank: The( blank) developed the most complex writing system in the Americas. Answer Choices Below: 1. Maya 2. Aztez*** 3. Olmec 4. Zapotec am i correct

asked by Mel❤nie on January 28, 2019
92. ## Physics

Consider an inertial reference frame. In this coordinate system 1. nothing can accelerate. 2. there is no inertia. 3. objects with no forces acting on them have no acceleration. 4. inertial mass depends on your elevation.

asked by Milan on September 11, 2011
93. ## physics

0.155 kg of water at 86.0oC is poured into an insulated cup containing 0.224 kg of ice initially at 0oC. How many kg of liquid will there be when the system reaches thermal equilibrium?

asked by lizzy on April 23, 2008
94. ## Chemistry

On an alien planet, volume is measured in units of smaugs (S) and odahviings (O), where 1 S = 2.25 O. By some weird coincidence, they use the exact same metric system that we use. Knowing this, how much is 500.0 O in units of kS

asked by kelly on September 12, 2013

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. Isn't this sentence an opinion because it uses the word "better"?

asked by Delilah on November 15, 2012
96. ## EXP105: Personal Dimensions of Education (ABA1047G

Identify at least two skills that you that you would like to improve. Provide details on what actions you will do to develop each skill. Who do you consider to be a part of your personal support system? How do they offer support and encouragement to you?

asked by justin on December 1, 2010
97. ## Chemistry

The following reaction has an equilibrium constant of 0.020 at a given temperature. 2HI(g) I2(g) + H2(g) If you have 1.00 mol HI(g) in a 0.750-L container initially, how many moles of HI(g) will be present when the system reaches equilibrium?

98. ## history

the president of the united states is elected by electoral college.what type of system is this? a)dictatorship b)monarchy c)oligarchy d)pure democracy e)represenative democracy

asked by JESSICA on December 2, 2007
99. ## Astronomy

Does the probability that a single-planet system shows transits increase, decrease or stay the same if the planet has a rather small or a rather large semi-major axis?

asked by g on November 24, 2014
100. ## physics

a uniform meter stick is balanced at its midpoint with a single support. a 50 N weight is suspended at the 30 cm mark. at what point must a 20 N weight be hung to balance the system

asked by Liz on September 16, 2012