# 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 458
1. ## Geography (Ms. Sue)

1). In what industry do most Americans work? 2). How did California become the nation's most populous state? 3). How has the economy of the South changed? 4). How has U.S population shifted since the country began? 5). What helped the economy of the West

asked by Anonymous on September 13, 2013
2. ## math

Kate drove from Amesville to Barstow at an average speed of 60 km per hour. Tyler drove the same route at an average speed of 80 km per hour. 1. If the distance from Amesville to Barstow is 40 km, how much less time did it take Tyler to make this trip than

asked by randie on March 13, 2011
3. ## Finance

A company wants to build a new factory for increased capacity. Using the net present value (NPV) method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • Building a new factory will

asked by Anonymous on November 18, 2010
4. ## physics

A football player runs the pattern given in the drawing by the three displacement vectors A, B, and C . The magnitudes of these vectors are A = 5 m, B = 16.0 m, and C = 16.0 m. Using the component method, find the magnitude and direction è of the

asked by Brittany on January 20, 2010
5. ## finance

A company wants to build a new factory for increased capacity. Using the net present value (NPV) method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • Building a new factory will

asked by liza on November 18, 2010
6. ## Ap Chemistry Help

3.) One method used in the eighteen century to generate hydrogen was to pass steam through red-hot steel tubes. The following reaction takes place: 3Fe(s)+4H20(g)--->Fe3O4(s)+4H2(g) 2. What mass of iraon will react with 500.0 L of steam at 25 degrees C and

asked by mhaidar9108 on February 6, 2008
7. ## ms.sue please help!!!

Ms. Sue is this a good essay. please help me on words that will make the essay better, advice if any sentence is wrong. and anything that can make the essay sound more mature/professional than what it is, punctuation, capitalization, clarity, etc. A good

asked by loli on September 27, 2013
8. ## Physics

A spring is hung from a ceiling, and an object attached to its lower end stretches the spring by a distance of 5.00 cm from its unstretched position when the system is in equilibrium. If the spring constant is 54.1 N/m, determine the mass of the object.

asked by Anonymous on December 5, 2010
9. ## college student

Two spheres of mass 2 kg and 3 kg are attached to the ends of a light rigid rod of length 1.0 m. What is the moment of inertia of the system about an axis perpendicular to the rod and (i) passes through the centre of the rod (ii) passes through the 2 kg

asked by saalim on December 16, 2014
10. ## Please do Civics Essay thanks so much

Please Help with essay question. thanks!! In a federal system of government (also known as a federation), the local and state governments share power with the central government, though the central government has final authority. Eplain how this is

asked by Roy on May 1, 2014
11. ## Chemistry

5.00 liter steel cylinder is filled with water vapor at 100 °C and 650 mm Hg. Determine the mass of water that condenses to a liquid when the closed system is cooled to 20 °C. The vapor pressure of water at 20 °C is 18 mm Hg. 6.

asked by Anonymous on July 12, 2011
12. ## Compound interest

Stereo Inc. sells a stereo system for \$200 down and monthly payments of \$70 for the next 3 years. If the interest rate is 5.25% per year, find: a) The cost of the stereo. Answer = \$ b) The total amount of interest paid

asked by matt on November 10, 2015
13. ## help me, i dont know what im doing

Part of the pride of being an American comes from the fact that most people that want jobs have jobs. However, this is not always the case. Sometimes, as happened in 2008, the economy slows down, and jobs become harder to find or keep. Businesses make less

asked by yeehaw on February 11, 2019
14. ## Algebra

Wow, this one is hard to explain... First, I'll give you the info you need to solve the problem. Tough Cell Batteries Battery Life in Hours Lower Extreme: 84 Upper Extreme: 140 Lower Quartile: 97 Upper Quartile: 110.5 Median: 104.5 If you need more info

asked by Celina on November 24, 2008
15. ## College Algebra ..Please help

I have about 5 homework problem that I am stuck on! please help me. The first of 5 is: A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? Im not even sure where to start with this one. Next #2: The area

asked by Anonymous on June 2, 2014
16. ## Pharmacology and the Body Systems

A patient presents with a score throat and mouth, swollen tongue, and inflammation of the face. This patient could be suffering from A. riboflavin deficiency B. niacin deficiency C. excessive folic acid D excessive ascorbic acid. I think B or D Patient is

asked by alisha22 on February 3, 2012
17. ## English

Ileft out the following questions. Could you please have a look at them, too? Thank you. 1) To which period of Shakespeae's work does the Tempest belong? Can you refer to the two types of evil described in the play? What do you generally ask if you want to

asked by Henry2 on August 23, 2011
18. ## chemistry

When chemicals pour on the skin, the laboratory first aid is to ---------------. Apply 1% sodium carbonate Apply 1% boric acid solution Flush the eye with a copious amount of clean lukewarm running water Wash with soap and warm water 2 For cut sustained in

asked by onyi on September 16, 2015
19. ## Algebra (Need help desperately)

I really don't understand these.. can someone show me the correct way of doing them? (if it helps I will pay over paypal for detailed help or will pay in my services (I am a graphic designer, video editor, and web designer)

asked by Alex Lark on September 17, 2012
20. ## Algebra

I need help understanding how to cross-multiply addition of inverse functions. I'm given this, 1/p+1/(p-45) = 1/30 The answer goes to p^2-105p+1,350 = 0. My method has been adjusting the ratios of the numerator and denominators to give,

asked by Justin on December 5, 2016
21. ## chemistry

Write out the net ionic equation for: Cd(NO3)2 + Na2S -----> 2NaNO3 + CdS ----- thanks!! Write out the net ionic equation for: Cd(NO3)2 + Na2S -----> 2NaNO3 + CdS If this is done in a water solution, then the sodium nitrate will be in solution, as was the

asked by Tessa on September 12, 2006
22. ## psychology

Why do negative emotions make it hard to learn or work toward a goal?

asked by Brittney on August 24, 2014
23. ## CHEM

At constant pressure, which of these systems do work on the surroundings? Check all that apply. 2A (g) + B(s) --> 3C(g) 2A (g) +2B (g) -->5C(g) A(g)+ B(g) --> C(g) A (s) +2B(g)--> C(g)

asked by Akle on February 10, 2012
24. ## Discrete Math

Let g(x)=3x^2+14x-15. Determine if g is one to one or onto. A. g:N->N B. g:R->R If You can help me with this problem showing all work that would be greatly appreciated. Thank You

asked by Sara on March 28, 2008
25. ## physics

Caculate the work done when a force of 20N strecthes a spring by 50mm

asked by Anonymous on May 10, 2013
26. ## english

Clauses that modified in d following sentences.(1)this work is good enough.(2)Amina cook really well.

asked by Sanni sadiq on February 12, 2011
27. ## polynomials

can someone please help me with this problem I have to get the sum diff and product I keep trying to work it out but i really think im blowing it. x^3- ¡¼2x¡½^2 + 3x-1 ¡Ã x^2- x+4

asked by Rick on September 21, 2013
28. ## math

it took tracy 1 1/4 hours to finish her homework . how many seconds did it take trac to do her work?

asked by kartik on March 24, 2014
29. ## math grade 11

i need help with this quretsion ; i don't know if im right, and i dontknwo what do next question expand and simplfy: 4√7(2√3 + 3√6 - √7) my work = 8√21 + 12√42 -4√49 please help me

asked by priya on October 17, 2010
30. ## Art

ART what characteristic of the work is being described? a.aesthetics b.critique c.heritage d.culture

asked by Bongladite on January 14, 2016
31. ## 5th grade math (dividing fractions)

Can you check this problem? How many twelfths are in one sixth? work: 1/6 divided by 1/12 = 1/6 * 12/1 = 2 ans= 2

asked by Alex on May 13, 2013
32. ## algebra 1

the difference between 2x2+4xy-3 and x2-2xy-4 is I will be happy to critique your work on this.

asked by kim on April 4, 2007
33. ## life orientation

According to the BCEA what is the maximum number of hours an employee can work in a day?

asked by refilwe on March 9, 2014
34. ## math grade 11

i need help with this quretsion ; i don't know if im right, and i dontknwo what do next question expand and simplfy: 4√7(2√3 + 3√6 - √7) my work = 8√21 + 12√42 -4√49 please help me

asked by priya on October 17, 2010
35. ## History

Can someone recommend me some topics of american women and work between 1600-1935. Thank you

asked by Megan on January 26, 2019
36. ## Calculus

If M is 30% of Q, Q is 20% of P, and N is 25% of P, then M/N equals which of the following? (a) 3/250 (b) 3/25 (c) 1 (d) 6/5 (e) 4/3 When I work this problem I keep getting 6/25, but that is not one of the choices. Any help would be greatly appreciated.

asked by Arnold on November 28, 2007
37. ## Medical Terminology

Why is it so important to know terms that are associated with all of thedifferent body systems even if you were to only work with onesystem?

asked by Tony on February 6, 2012
38. ## Physics

In order for work to be done, an applied force must cause a change in the _______ of an object.

asked by Amber on October 25, 2018
39. ## physics (emergency!)

How much work is required to stop an electron (m = 9.11 10-31 kg) which is moving with a speed of 1.99 106 m/s?

asked by maddie on October 26, 2008
40. ## Python - Tkinter

how can I make my program to freeze in certain conditions .. unless I click "r" it will continue to work ?

asked by mema on October 27, 2012
41. ## physics

How far (in meters) must a 800 kg pile driver fall, if it is to do 18000 J of work?

asked by danielle on October 24, 2011
42. ## Chemistry

What mass of pure silver would you obtain from 85.0 g of AgNO3? My work The answer i got is 53.55 g Am i right?

asked by Peace on November 23, 2014
43. ## Chemistry

Calculate the work done when 36.0 g of tin dissolves in excess acid at 1.00 atm and 30.1 C.

asked by Ennaliea on December 19, 2016
44. ## Science

how much work is done on a 50kg cart that is pushed 10m at a constant rate of 5m/s^2

asked by Sue on February 28, 2017
45. ## chemistry

showing your work convert R=0.08206 atm dm^3 mol^-1 k^-1 to jmol^-1 k^-1

asked by john oche on May 18, 2017
46. ## calculus

Let f(x) be the function 1/x+5. Then the quotient f(6+h)−f(6)/h can be simplified to −1/ah+b for: a= 11 b= I did all the work to get a but for some reason the number that I keep getting for "B" is wrong

asked by cassie on February 10, 2012
47. ## Physics

A force of 40N Will stretch it through 5.0cm and what work will be done in stretching the wire through 5.0M

asked by Moyinoluwa on June 27, 2019
48. ## 8th grade

which of the following is an irrational number? A. 1 B. 9/17 C. 0.4166666666 D. Both A&C with showing work please or putting it in to words.

asked by sherkyra on August 31, 2010
49. ## Math

\$10 is which amount of money,rounded to the nearest dollar? My work: \$ 9.52. Is it correct?

asked by F. on November 4, 2016
50. ## math

To square 75, one can multiply (70)(80) and add 25 to that product. Can someone explain how this would work, without calculating?

asked by Jenny on May 3, 2013
51. ## Science

What is DNA and RNA? How do it work? How does it reproduce? How does it mutate? How do things evolve?

asked by Hossain on February 23, 2015
52. ## math

there are 36 carpenters in a crew. on a certain day, 29 were present. what percent showed up for work?

asked by sonia on August 10, 2013
53. ## Chemistry

Hi I need help with another balancing oxidation-reduction reaction: Cu(s) + Ag^1+(aq) → Cu^2+(aq) + Ag(s) My work: Cu (s) --> Cu^2+ (aq) + 2e- 2 [1e +Ag^1+ (aq) --> Ag(s)] Cu(s) + 2 Ag(aq) --> Cu (aq) + 2 Ag (s) Is this right? And I need help with this

asked by Anonymous on May 16, 2010
54. ## Calculus

Find the work done by F(x,y,z)=(x^2y)i=(x-z)j+(xyz)k where c=(t)i+(t^2)j+(2)k, 0

asked by Ashley on October 28, 2014
55. ## 7th grade

How can hardware,software,and the user of a computer work together to complete a task?

asked by Anonymous on April 26, 2010
56. ## maths

I'm doing a cashflow BUT I'm stuck on something. It says 1,440 pa paid monthly. What does pa stands for and how do i work it out?

asked by fatima on December 15, 2009
57. ## Chemistry

At constant pressure, which of these systems do work on the surroundings? Check all that apply. 2A (g) + B(s) --> 3C(g) 2A (g) +2B (g) -->5C(g) A(g)+ B(g) --> C(g) A (s) +2B(g)--> C(g)

asked by Allie on February 10, 2012
58. ## Resume(English)

is it okay to stretch the truth or "pad" ur resume? -only if ur applying to work for governement -yes -no -sometimes would it be No?

asked by Anonymous on January 25, 2011
59. ## ms .sue pls hellp

how does free radicals and anti oxidant work?connected to bromelain.

asked by ynah on March 13, 2013
60. ## physics

For non-conservative forces, the work done does depend upon the path taken. True or False?

asked by kelsi on April 15, 2013
61. ## Physics

A 74.0 kg firefighter climbs a flight of stairs 12.0 m high. How much work is required?

asked by Luricela on February 13, 2010
62. ## physics

how much work is required to give an object 600 J of potential energy?

asked by lisa on May 31, 2012
63. ## Business English

selecting concrete words 22. we have found that young men are best for this work

asked by abdullah on January 26, 2015
64. ## english

I posted my work a few minutes ago, can somebody check it for me please. thanks a lot. Rose

asked by rose on March 25, 2008
65. ## physics

how much work is required to give n object 450J of kinetic energy?

asked by lisa on May 31, 2012
66. ## chemistry

What mass of AuCl3 contains 160.9 g of gold? My work i got 104.6 g is that correct

asked by Sammy on November 24, 2014
67. ## Accounting

How do you determine the ending work in process inventory, in cost accounting

asked by Fred on June 27, 2009
68. ## Physics

How much work does a person do to lift 60000 a distance of 7.8 ft in 10s? How much power? Hp?

asked by Cindy on February 18, 2009
69. ## 6th Grade Math

Sara purchased a 24 oz tube of toothpaste for \$6.95. What did she pay per ounce WORK THIS OUT THANKS

asked by Melea on February 24, 2010
70. ## government

How do the senate and the house of representatives work together to pass bills into laws?

asked by andrew on November 30, 2011
71. ## PHYSICS

A 69.0 firefighter climbs a flight of stairs 22.0 high. How much work is required?

asked by mar on February 13, 2011
72. ## Precalc, i really don't get my hw

how do i do this? factor x^4-x^2-20 over real and complex numbers I tried to do synthetic, but it doesnt work.=(

asked by Samya on October 14, 2008
73. ## 8th grade science

how do ear defenders work with the big idea energy transfer

asked by sam on June 6, 2010
74. ## science

What is the ability to do work? a wave energy force a medium PLEASE HELP MEEE!!!

asked by donuts and coffee on April 10, 2019
75. ## Algebra

How do you factor -2x^2+x+15=0? I know it should be (2x ) (x ) but I cannot find two other factors which will yield 15 AND x. 5 and 3 doesn't work and neither does 15 and 1. Could you explain what could?

asked by Mitchell on October 15, 2009
76. ## math

differentiate y=-4x^2cos x. i need to know the calculation work. (ans: 4x^2sinx - 8xcosx)

asked by elis on July 19, 2011
77. ## Help! Algebra 1

Factor completely. 32a^2+96a+72 I tried to work it our but I can't seem to get the correct answer. Thanks!

asked by Claritza on April 8, 2016
78. ## Math

Work out the base used and then find the missing figure. 3**2+2351=10033

asked by Anonymous on September 10, 2018
79. ## writing

How can you get better help from peer reviews?A. write better essays B. work as a team C. ask questions

asked by karli on August 21, 2013
80. ## physics

How does pressure work as a restoring force to create a sound wave?

asked by John on April 6, 2011
81. ## Chemistry

At constant pressure, which of these systems do work on the surroundings? Check all that apply. A(s) + 2B(g) ---> C(g) 2A(g) + B(g) ---> 4C(g) A(g) + 2B(g) ---> 2C(g) A(s) + B(s) ---> C(g)

asked by Yasha on March 23, 2012
82. ## precalc!!!!!

Let f(x)=3x-4x^2 Find f o f o f So... F(f(x)) I got a really big answer..... I think I might have done something wrong when doing the distributing algebraic work.

asked by L.Bianchessi on March 5, 2012
83. ## precalc!!!!!

Let f(x)=3x-4x^2 Find f o f o f So... F(f(x)) I got a really big answer..... I think I might have done something wrong when doing the distributing algebraic work.

asked by L.Bianchessi on March 5, 2012
84. ## hardware

What types of computer hardware would make your work life more efficient?

asked by sandra on September 11, 2010
85. ## Math

"Find the slope of the line passing through J(0,5) and K(-1,2)" I did the problem but I just need someone to check if its right. my work: M= y2 - y1 -------- x2 - y1 M= 2 - 5 ----- -1 - 0 M= -3 ---- -1 M= 3 Thank you.

asked by Kylee on March 4, 2014
86. ## Math

Help! I need the work and how to check it too! Victoria and Georgetown are 36.2 mi from each other. How far apart would the cities be on a map that has a scale of 0.9 in: 10.5 mi?

asked by MIke on April 13, 2018
87. ## Pre cal

determine the function f whose graph is given the vertex is (3,-13) and the y intercept is -4 how whould i work this out

asked by shelly on January 30, 2014
88. ## Math

Work out the base used and then find the missing figure. 3**2+2351=10033

asked by Anonymous on September 10, 2018
89. ## algebra

i need help with the sample work Exponents and Exponential Functions Unit Review

asked by . on April 8, 2019
90. ## science

the making of plymers is an example of the category of work done by chemists called ______

asked by christina on April 22, 2008
91. ## u.s. history

what did thomas jefferson mean when he said the missouri compromise was like a firebell in the night? did he mean that it was never going to work or something like that?

asked by Jimmy on October 2, 2007
92. ## writeacher pls helllppp

how does free radicals and anti oxidant work?connected to bromelain

asked by ynah on March 13, 2013
93. ## math

The Pythagorean Theorem will work for any type of triangle. TRUE or FALSE?

asked by Scarlett on April 28, 2011
94. ## health

i need help with this quetion What dose it mean work in a psitive and courteous manner and why is this important for

asked by lisa on March 24, 2012
95. ## physiology

During myasthenia gravis, the body attacks the Ach receptors so they do not work; this could cause?

asked by tt on November 20, 2008
96. ## Grammar

A number of small bruises __________ present upon examination. A) was B) were I say it's B, but it could also A because they both work.

asked by Marie on November 14, 2012
97. ## Physics

How much work does a weightlifter do on a 450 N barbell thathe lifts 2m into the air

asked by Emma Roberts on January 12, 2016
98. ## Physics

A block of mass 5kg is lifted 2m in 3sec. Find the work done.

asked by Andy on April 22, 2011
99. ## physics

How much work in joules must be done to stop a 5000 kg car traveling at 120 km/hr?

asked by alex on October 25, 2011
100. ## math

Hi guys I just need to simplify this equation and I keep eliminating all x's so I don't know if that is possible. Let me know if i'm right or were I went wrong...my work is below (2/x+2)-(x/x-2)+1 2(x-2)-(x)(x+2)+1(x+2)(x-2) 2x-4-x^2-2x+x^2-2x+2x+4 -4

asked by Patty on September 10, 2012