# 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 343
1. ## Algebra

Solve. 8x-(4x+5)=7 8x-1(4x+5)=7 8x-4x-5=7 4x-5+5=7+5 4x=12 x=3. Is this right?

asked by A.W. on March 22, 2009

how do you solve 2x^2+x^3=96?

asked by Hina on October 24, 2011
3. ## Math

how do I solve this? -2(x+5)=4

asked by |-/ on February 19, 2019
4. ## Math

How do you solve 6k-8=k+2???

asked by Natasha on March 19, 2014
5. ## Algebra

Solve 1/3(3x-6)^3+4

asked by Anonymous on January 26, 2012
6. ## math

asked by tala on March 17, 2013

Solve for x:9x^2-49=0

asked by Sam on November 16, 2010
8. ## math

solve the following r/15 >-3 a r>-45 b r>-15 c r > 12 r > 45

asked by jared on January 28, 2014
9. ## Math

Solve for x (X-P)^2 =(X- q)^2

asked by Pearl on July 8, 2019
10. ## Math

solve 3x+ 4 = x - 5

asked by Nekoda on November 16, 2010
11. ## Math

Solve m/3 + m/4 -1 = 5/2

asked by Jamar on September 22, 2015
12. ## algebra

solve y - 3x = 13 for y

asked by boB on September 12, 2017
13. ## Math

a / 4 = 8 Solve

asked by Amy on September 23, 2015
14. ## College Algebra

Solve for C 2a=(5b-c)/(3c+1)

asked by Courtney on December 8, 2010
15. ## al 1

How do you solve this.....x/3+ x/2=3/4

asked by dani on September 23, 2015
16. ## Alg. 2

asked by Jason on March 12, 2012
17. ## Mathematics

Solve for 5x -6=3x -8?

asked by CEO on July 11, 2019
18. ## Math

How do I solve this: ((5m^3)(3m^-1)^3)/((9n^2)(4n^-1))?

asked by Sam on December 2, 2008
19. ## accounting

The following information is for X Company for 2009: Direct materials purchased \$ 36,484 Direct materials used 34,013 Direct labor 14,439 Overhead 25,464 Work in Process, January 1, 2009 4,118 Finished Goods, January 1, 2009 2,326 Work in Process, December

asked by w on February 19, 2010
20. ## social studies

1. The Himalayas separate _________. (1 point) Pakistan and India the Indian subcontinent from the rest of Asia Afghanistan from the rest of South Asia northern and southern India 2. What impact do monsoon winds most have on South Asia? (1 point) Monsoon

21. ## ss

1. The Himalayas separate _________. (1 point) Pakistan and India the Indian subcontinent from the rest of Asia Afghanistan from the rest of South Asia northern and southern India 2. What impact do monsoon winds most have on South Asia? (1 point) Monsoon

asked by #Blessed on May 11, 2016
22. ## thermodyn. please check work

What is the sign of heat(Q), Work(W), or Temperature for these following situations. Say if it's +,-, or 0. 1)You hit a nail with a hammer: +W, Q=0, T=0 2)You hold a nail over a Bunsen burner: Q=+Q, Temp:constant, W=0 3)You compress the air in a bicycle

asked by Anonymous on August 15, 2009
23. ## Trig

A sail boat on lake Huron leaves Southampton and sails 20degrees west of north of 20km. At the same time, a fishing boat leaves Southampton and sails 30degrees west of south for 15 km. At this point, hot far apart are the boats, to the nearest metre? ( the

asked by Sonia on July 21, 2010
24. ## Math

I am in Calculus and am currently learning how to find the Area of a Surface of Revolution. I cannot understand what the surface of revolution (whether it's the x-axis, y-axis, or y=6) is. For example, I had a problem saying to use the washer method to

asked by Suzie on December 13, 2007
25. ## Easy Statistics

The probability Joe is at work is 49%,. The probability Joe is at home is 25%. What is the probability Joe is neither at work nor at home? a) 39% b)74% c)52% d) 26% *I personally think it is a or c. I am just needing some help thanks!

asked by Dawn on December 6, 2013
26. ## math

1.Thompson Security has been hired to determine the number of visitors at Argon Mall on a typical 10-hour day. They counted the number of people who entered the mall during three 1-hour spans on Wednesday, August 10. They entered the data into a table as

asked by melanie on February 21, 2009

Will someone look over my answers and think this is okay? The assignment is and I'm suppose to find the strengths and weaknesses. I am a new publisher with some really great books to sell. I saw your announcement in Publishers Weekly about the bookseller's

asked by Cupcake on November 22, 2007
28. ## science

why is it difficult to convert miles to yards or feet Not like the metric system where it is in powers of 10. It was based on strange things like: http://www.iofm.net/community/kidscorner/maths/origin.htm

asked by matt on November 1, 2006
29. ## biology

it has recently been shown that UGA specifies tryptophan and CUA codes for threonine in the mitochondrial translation system of yeasts and hamsters. A. what do these codons usually specifiy B. Comment on the significane of these minor departures from the

asked by bill on December 9, 2008
30. ## Taxicabs

hey i am writing a paper on the new york city taxi cab medallion system and i am suppose to anyalze it and the role the goverenment plays in doing so. however i am very very stuck on outlining my paragarpahs in terms of what i should write about could you

asked by Shelly on August 6, 2005
31. ## structural design

ASHI standards require a home inspector to identify and describe the type of structure and materials of construction before A. testing systems scientifically. B. evaluating each system. C. establishing value. D. reporting remaining usefulness.

asked by darian on March 1, 2014
32. ## Government

The chief goal of the executive leadership system is: A.the shifting of power from congress to the president. B.improved coordination through the presidency of the bureaucracy's programs and agencies. C.the establishment of partisanship as the basis for

asked by Calvin on December 21, 2011
33. ## history

please help president Roosevelt's progressive record included all the following EXCEPT a. conservation of forest land b. break-up of several trusts deemed harmful to the public c. regulation of food and drugs d. establsihment of the Federal Reserve System.

asked by his on March 11, 2009
34. ## Social Studies

Discuss the relationship between institutions (banks, business firms, government agencies, and unions) when it comes to making up an economic system. I couldn't find anything in google or my textbook, and if a full answer is cheating maybe just a little

asked by Sandy on May 28, 2018
35. ## Game design

a directory of the game's source code and other files that maintains an archive of revisions is A. a technical design document B.version control software C.Hypertext transfer protocol*** D.an event scripting system

asked by BLA BLA on November 16, 2018
36. ## CRIMINAL JUSTICE SYSTEM

Many judges in the criminal court system are not only overworked, but also must contend with the worst of society. How does the role and responsibility of a judge differ in a real-life courtroom as opposed to the mystique portrayed in the movies or on

asked by sandy on July 20, 2008
37. ## criminal justice

Many judges in the criminal court system are not only overwoked, but also must contend with the worst of society. How does the role and responsibility of a juge differ in a real life courtroom as opposed to the mystique portrayed in the movies and on

asked by sandy on July 21, 2008
38. ## cjs200

many judges in the criminal court system are not only overwork, but also must contend with the worst of soceity. How does the role and responsibility of a judge differ in a real-life courtroom as opposed to the mystique portrayed in the movies or on

asked by lisa on January 11, 2009
39. ## CIMIANL JUSTICE

Many judges in the criminal court system are not only overworked, but also must contend with the worst of society. How does the role and responsibility of a judge differ in a real-life courtroom as opposed to the mystique portrayed in the movies or on

asked by TAIN on December 8, 2008

Can some please help. Many judes in the criminal court system are not only overworked. but must cntend with the worst society. How does the role and responsibility of a judge differ in a rel-life courtroom as opposed to the mistiqe portrayed in the movies

asked by D on December 15, 2008
41. ## project management

You are the supervisor for a large technology-based corporation. One of your subordinate managers, Carly, is heading up a project for a new system that is scheduled to market on the 1st of the year. It is August and things are not progressing at the pace

asked by Chris on August 17, 2008
42. ## finance

It’s been two months since you took a position as an assistant financial analyst at Caledonia Products. Although your boss has been pleased with your work, he is still a bit hesitant about unleashing you without supervision. Your next assignment involves

asked by Amber on May 19, 2008

1) Two cars travel in the same direction along a straight road. The figure below shows the velocity, V, of each car at time t. Car B starts 3 hours after car A and car B reaches a maximum velocity of 40 km/hr. a. For approximately how long does each car

asked by JJ on March 13, 2012
44. ## Chemistry

A half-cell that consists of a copper wire in 1.00 M CuNO3 solution is connected by a salt bridge to a half cell containing a 1.00 M X(II) acetate solution and an electrode of metal X. The voltage of the cell is 2.00 V, with metal X as the positive

asked by JUNDY on April 12, 2015
45. ## Senior Paper

For the Hitchhiker's guide to the Galaxy, would this work for a thesis? Douglas Adams was a promodernistic author who wrote a new level of Proto Science Fiction. Can you help me think of other main points about him, the late 70s-early 80s, and the history

asked by Summer on July 6, 2007
46. ## calculus

You are visiting your friend Fabio’s house. You ﬁnd that, as a joke, he ﬁlled his swimming pool with Kool-Aid, which dissolved perfectly into the water. However, now that you want to swim, you must remove all of the Kool-Aid contaminated water. The

asked by Sam on March 9, 2017
47. ## English

1. You will must go hunting. (X) 2. You will have to go hunting. (O) 3. He may can lift the rock.(X) 4. He may be able to lift the rock. (O) 5. She must can solve the math problem. (X) 6. She must be able to solve the math problem. (O) (Are the marks, X's

asked by rfvv on May 6, 2017
48. ## Math

1. 5h – 9 = –16 + 6h (1 point) 4 –7 7 10 2. 4x + 4 = 9x – 36 (1 point) –8 –7 8 –3 3. Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1)

asked by plz help on January 11, 2013
49. ## Science

My answers are at the bottom. Describe the method you would use to separate eachg mixture. Methods: Picking apart, filtering, using density, using magnetism, dissolving, evaporating. a)sand and water b)oil and water c salt and pepper d)sand and pebbles

asked by Saquta on December 16, 2010
50. ## PreCalculus

A kite has a lifting surface area of 630 square meters. Suppose the wind is blowing against the kite with a force of 100 newtons at an angle of 20 degrees above the horizontal. How much force is lifting the kite? I tried to draw a diagram, but I don't

asked by Katie on March 8, 2009
51. ## Psy

it has been proposed that students have difficulty retuning to their academic schedule after a holiday or break. Specifically, it has been predicted that there will be more students absences on the Monday following Spring Break than on the Friday prior to

asked by Gwen on May 13, 2012
52. ## AP Physics

15. A 3.0 kg block is pushed 3.0 m at a constant velocity up a vertical wall by a constant force applied at an angle of 30.0 with the horizontal, as shown in the figure. The acceleration of gravity is 9.81 m/s2. If the coefficient of kinetic friction

asked by jeff on February 26, 2011
53. ## Algebra2

Which expression gives the solution -5+2x^2=-6x?

asked by Steve on January 5, 2017
54. ## chemistry

what is the [h3o+] in a 9.93 x 10^-6 M Ba(OH)2 solution?

asked by jj reddick on November 11, 2010
55. ## Science

What is a solution, is it the same as a mixture

asked by becca on January 8, 2008
56. ## Math 116

determine whether (2,-4) is a solution of 9x-5y=-2

asked by TracyAnn on November 20, 2009
57. ## MATH

WHAT IS 150% OF \$16.00 \$16.00 X 1.50 = 24? (solution)

asked by booker on October 16, 2012
58. ## algebra

x = 3 a solution for 3x – 1 = 6? Write yes or no.

asked by chuck on August 20, 2011
59. ## Math

7x+4y= -4 Is (3, -8) the solution to the equation?

asked by M.E. on May 27, 2010
60. ## maths

determine if ( 5/6,-2) is a solution to -6x -7y - 9

asked by ngo on March 24, 2011
61. ## algebra

What is the solution to the equation 1/x - 6/x^2 = -12 a. x= 3/4 or x= -2/3 b. x= 3/4 or x= 2/3 c. x= -3/4 or x= 2/3** d x= -3/4 or x= -2/3

asked by h on May 14, 2018
62. ## MATH

asked by Joyce on October 6, 2015
63. ## Math

How do i do a solution for the problem.

asked by Becky on March 23, 2016
64. ## algebra

Can someone help me with this please? I am trying to find the solution for 5/4x + 1/8x = 5/8 + x x = ?

asked by C on June 2, 2008
65. ## chemistry

A solution with a pH of 7 has a [OH1-] of

asked by HAY on December 1, 2014
66. ## Chemistry

Calculate the [H+] in a solution that has a pH of 9.00.

asked by teena on May 14, 2011
67. ## chem

what is the [h3o+] in a 9.93 x 10^-6 M Ba(OH)2 solution? (this is all that's given)

asked by jj reddick on November 11, 2010
68. ## algebra

is there a solution to this promblem? 9x+3y=-60 -9+y=76 help please??

asked by help on January 17, 2010
69. ## algebra

is there a solution to this problem.. x+3y=5(1) x+4-3x(2)

asked by at on January 24, 2010
70. ## Math

B? Which equation has solution x = -3? A) 2x - 7 = -1 B) 3x + 8 = 1 C) 1/2x + 8 = 10 D) 1/2 (2x - 6) = -6

asked by Diane on March 27, 2018
71. ## algebra

a=3b for b The solution for a = b=3a did I do this backwards?

asked by algebra on September 11, 2009
72. ## Math

(x/(x+8))-(8/(x-8))=(x^2+64)/(x^2-64) Would the answer be no solution? If so, why? Thanks again.

asked by Sue on September 12, 2009
73. ## chem

What is the pH of a 0.22 M solution of HClO4?

asked by val on December 6, 2012
74. ## algebra

Determine whether (-4, 5) is a solution of 4x + 8y = 1

asked by Cassie on September 9, 2009
75. ## Algebra

is r=4 a solution of the equation 8+r^2=16

asked by Dee-Dee on September 18, 2007
76. ## Algebra

which of the following is a solution to the equation y = 3x - 1 4,1 2,5 4,3 0,-3

asked by Asking for a little help here... on September 8, 2017
77. ## Algebra

What is the solution to the proportion? 4/12=10/x x = 3 x = 3.3 x = 4.8 x = 30

asked by Sara on September 15, 2014
78. ## Math

5/4x-2/3y=3 1/4x+5/3y=6 What is the (x,y) solution? I got (4,3). Is that correct?

asked by Anonymous on September 10, 2017
79. ## math

What is the solution of the given equation? 12;8t=96?

asked by Jessica on November 15, 2010
80. ## math

Is –4 a solution to the equation 8x – 6 + 3x = 5 + 2x – 10

asked by gavin on January 29, 2008
81. ## chemistry

What is a saturated solution?

asked by lydia on September 11, 2017
82. ## Math

Please help! What is the solution of 5 - 2x is greater than -3 OR -3x + 9 is less than -6 Thank you

asked by Melinda on September 7, 2010
83. ## Science

what is a dilute solution

asked by Chris on November 14, 2011
84. ## Chemistry

What is the pOH of a solution which has a [H+] = 1.0 × 10¯³M?

asked by Tony on February 9, 2011
85. ## Science

What is the pH of a 2.62 x 10^-2 M HBr solution? thanks

asked by Andy on May 25, 2010
86. ## Pre-Algebra

what is the solution for this problem? 1 + 1/1+ 1/x-1/1/1 – 1/x+1

asked by Ike on May 25, 2010
87. ## algebra 1 help

1)|J|/5+1=-4 a. no solution b. j=15 or -15 c. j=-25 d.j= -15 my answer is A 2) 1/6|4x-8|=6x a. x=-7, x=11 b. x=8/3, x=8/5 c. no solution d. x=-1/4, x=1/5 my answer is J

asked by hips on April 25, 2013
88. ## math

is (0,4)a solution to y=6-2x?.Explain

asked by jeff on May 9, 2012
89. ## science

how can a solution be separated?

asked by bailey on October 5, 2008
90. ## algebra

sqrt 2a = 2 A: a=6 b. a=4 c. a=2 d. no solution is it c ?

asked by ciara on April 2, 2014
91. ## science

what is alkaline solution?

asked by amna on January 26, 2011
92. ## math

determine whether (3,7) is a solution of 6p-6q=-2

asked by Anonymous on September 18, 2010
93. ## math

7p-8q=3 determine whether (1,-3) is a solution

asked by Anonymous on September 18, 2010
94. ## Math

Which equation has no solution? a. 3x-5=3x+8-x b. 4y+5=4y-6 c. 7z+6=-7z-5

asked by Kaai97 on October 12, 2015
95. ## Chemistry

Calculate the [H+] in a solution that has a pH of 9.00.

asked by teena on May 14, 2011
96. ## Math

solution to the equation x2 – 9x – 22 = 0?

asked by Deana on February 26, 2012
97. ## Differential Equation

Determine the particular solution: (y')^2=(1-y^2)/(1-x^2) ; y=1/2 x=1

asked by Kenzo on July 1, 2015
98. ## math

I need help please! What is the solution set? −2.8x+5.6

asked by faith on January 24, 2017
99. ## algebra2

What is the solution set for |–2x + 16| – 9 = –3

asked by Rayniya on November 21, 2010
100. ## algebra

which value of X is the solution of the equation: 2X/3 + X/6 = 5 ?

asked by sejla on February 1, 2010