# 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 346
1. ## math !

1)Jane Gutierrez earns \$8 an hour selling ice cream. If she earns \$48 (d) working 6 hours (h), what is the independent variable? What is the dependent variable? Explain your answers. 2)Abigail Nyu went to the mall with \$60; she wants to purchase several

asked by Q&J Wiiffeyy on May 19, 2016
2. ## English

I forgot to add the following details. I really hope you can have a look at them. 1) In 1903 Emmeline and Christabel Pankhurst set up the Women’s Social and Political Union. They campaigned with other women for more rights and recognition for women’s

asked by Henry1 on May 23, 2011

1. Convert 4.0 kilometers (km) to meters (m). (1 point) 0.04 m 40 m 400 m 4,000 m (my answer) 2. For his science project, Austin wants to determine if the pH of standing rainwater changes over time. He collects a jar of rainwater and places it indoors in a

asked by OCA student on October 2, 2017
4. ## biology

A girl crossed a pure short, black haired animal with a pure long, brown haired individual (cross A). The F1 consisted of 10 individuals who had all the same phenotypes. She interbred this F1 generation (cross B) and counted the offspring, which consisted

asked by Anonymous on January 22, 2008
5. ## biology, plz help!

A girl crossed a pure short, black haired animal with a pure long, brown haired individual (cross A). The F1 consisted of 10 individuals who had all the same phenotypes. She interbred this F1 generation (cross B) and counted the offspring, which consisted

asked by Anonymous on January 22, 2008
6. ## ATTN: DRWLS RE: PHYSICS

pete and john play a game of tug f war on a frictionless icy curface. pete weighs 539 N and john weights 392 N. during the course of the game, john accelerates toward pete at a rate of 3 m/s^2 a)what's the magnitude of the force that peter exerts on john?

asked by samir on January 23, 2010
7. ## Social studies

I am lost .. Why did the great compromise establish a two-house legislature? A:to fairly represent all states B:to allow for population growth C: to provide checks and balances D: to prevent unconstitutional laws***? In what way did the structure of the

asked by Lexi on September 23, 2016
8. ## chemistry pls help me asap

100cm^3 of a sodium hydroxide,NaOH solution contains 4.0g of solid sodium hydroxide,NaOH.40 cm^3 of phosphoric acid,H3PO4 is needed to neutralise 40cm^3 of the alkali.(RAM:H,1;O,16;Na,23;P,31) (a)Calculate the molarity of the sodium hydroxide,NaOH

asked by mandy on May 7, 2014
9. ## statistics

Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who take advanced math courses in high school varies depending upon whether they have been raised primarily by their father or by

asked by Anonymous on September 21, 2012
10. ## statistics

Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who take advanced math courses in high school varies depending upon whether they have been raised primarily by their father or by

asked by LWatson on September 21, 2012
11. ## 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

asked by Beth on September 23, 2011
12. ## 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

asked by Beth on September 23, 2011
13. ## MATH

-4x+9-8x>-6-5 with work!(:

asked by Kristen! on February 6, 2013
14. ## math

y=4x - 3, work out the value of x when y =11

asked by beth on April 26, 2008
15. ## Math

How do I work this out h^3 r^3 × h^4 r

asked by Amy on September 12, 2016
16. ## Science

Can I use a=qE/m to work this out? Since f=ma and f=qE

asked by Anon on May 25, 2018
17. ## algebra

2y+1

asked by keaton on February 24, 2009

how do you work this out? 5x-6x and 6x+2x-3

asked by shay on October 20, 2009
19. ## math

how does this work?

asked by cailin on December 19, 2014
20. ## math

How do I work 2s^3-4r^2 if s=5 and r=1?

asked by julie on September 2, 2015
21. ## Math

(x+5)(x-3)=9 I am not sure how to work this out?

asked by Keenan on December 4, 2010
22. ## math

how do you work out 5x-2y=4 3x+y=9

asked by tink on November 8, 2012
23. ## Algebra1

How to do work out C+4=-24

asked by R on September 2, 2014
24. ## physics

WHAT IS WORK?

asked by Kenshin on July 5, 2016
25. ## MATH

7 - 6 -- ----- y^2-49 y^2-2y-35 with work if possible please

asked by Amy on September 19, 2007
26. ## physics

when to say that work is done?

asked by s.harini on October 26, 2013
27. ## calculus

how do you work out what ||u||2 is when you are given u: and v:

asked by Anonymous on November 23, 2016
28. ## math

-4/5 + (-3/4) how do I work this

asked by barb on July 22, 2010
29. ## algebra

x^2-2x=35 Could work this for me.

asked by Angelia on May 17, 2010
30. ## alg 1

how do you work out d2+3d-10=0?

asked by andrea hammock on March 9, 2011
31. ## algebra

how to work y= -x-4

asked by Anonymous on October 15, 2011
32. ## math

how do i work out 10% of £6.80

asked by amanda on June 20, 2010
33. ## Algebra

How do I work -3-5(3x+7)=0

asked by Josh on October 3, 2016
34. ## Physic

Work is done when.

asked by Ed on November 2, 2014
35. ## algebra

how do i work 2x+3[4-(3x-7)]

asked by kyisha on May 2, 2011

what is y^6/y^9?? how do you work it???

asked by rockrboigurlluvr on September 27, 2013

8w-11=45 Please work this out for me Thanks.

asked by Melea on January 27, 2010
38. ## Algebra

how would you work this out? C=3A + 3b

asked by Joshua on September 7, 2011
39. ## Maths

Work out 0.14 x 0.87 0.52 x 6.57 0.36 x 5.24

asked by Joe on January 14, 2016
40. ## algebra 1b

How do I work this out 3x/(x^2-16) can you help

asked by kay on March 22, 2012
41. ## math

How do you work out 7.00 x 4.78

asked by Anonymous on January 24, 2010
42. ## Math

a=2a/(a-5) How do I work this out?

asked by Ana on October 23, 2010
43. ## algebra

Work out the value of 4(x+1) 4(x+1) when x=3

asked by Holly on June 12, 2011
44. ## math

work out [3*4*9(

asked by chasmine on August 4, 2015
45. ## GED

How do you work 3x-6x+2=-4x

asked by Rosetta on May 26, 2011
46. ## mat116

G(z)=4z+2 how to work this

asked by marty on July 25, 2010
47. ## Stats

Among 15,378 Delta airline passengers randomly selected, 3 were bumped from a flight against there wishes (based on data from the us dept of transportation) find the probability that a random selected passenger is involuntarily bumped. Is such bumping

48. ## Physics

A geostationary satellite orbits the Earth in such a manner that it is always directly above the same point on the equator as the Earth rotates. Assuming that this orbit is circular, what is its radius? (The mass of the Earth is approximately 5.97 × 1024

asked by Joe on April 15, 2016
49. ## Physics

I have no idea on how to do either part of these questions please help (part 1 of 2) To move a refrigerator of mass 110 kg into a house, a mover puts it on a dolly and covers the steps leading into the house with a wooden plank acting as a ramp. The plank

asked by NIQUEFROMDALLAS on November 15, 2008
50. ## college chemistry

A 0.300 g sample of an aspirin tablet is used to prepare 100.0 mL of a stock solution by dissolving the tablet in 1 M NaOH then diluting with distilled water to the 100 mL mark of a volumetric flask. A 0.30 mL sample of the stock solution is then

asked by abbie on January 17, 2013
51. ## Physics

A rocker acceleratess up ar 5m/s/s for 10s and at which point the fuel is exhusted, and then the rocket continues upwards in free fall. a)How high does the rocket riseb)What total time does the rocket spend in the air? b) What total time does the rocket

asked by Billie on September 19, 2006
52. ## ed tech

1. Which of the following information is safe to share online? (1 point) when and where you will have a soccer game this weekend where you work or study that you like playing sports which community center you like to play ball at 2. Which of the following

53. ## religion help!

I've gone to the websites that i've received but i'm still not understanding the religion on hinduism. I have to answer 3 questions only then write a paper. can anyone help me. where i can actually find these answers at least. Questions are: (1)

asked by jasmine20 on December 29, 2006
54. ## chemistry

cooler water has more dissolved oxygen: hot water has hardly any at all. Oh, so they go to the bottom to get oxygen. Why does cooler water have more dissolved oxygen? Generally gases are more soluble in cold water than warm water. Think of an open coke can

asked by bobpursley on April 19, 2007
55. ## Physics

I HONESTLY KNOW THAT THIS SITE IS NOT INTENDED TO JUST GIVE ANSWERS, BUT I HAVE NO IDEA HOW TO DO THIS PROBLEM WHATSOEVER, SO PLEASE MAKE NO COMMNENTS LIKE "post some work" OR ANYTHING LIKE THAT...IF I HAD WORK TO POST....I WOULDN'T REALLY NEED HELP... :)

asked by Josh on September 17, 2006
56. ## physics - repost

can someone proofread my nuclear energy opinion essay, please one more time? I think nuclear energy is the most reliable, and the current technology that could provide us with energy. The plants operating are safe and the new designs are even safer.

asked by anonymous on June 6, 2019
57. ## Organic Chemistry 2

What is the impurity that must be removed from the benzaldehyde reagent before it can be used in this experiment? this is from are Benzil lab in this lab, benzoin condensation of benzaldehyde will be carried out with a biological coenzyme, thiamine

asked by John on November 8, 2015
58. ## chemistry

5.0 g of NaNO3 is dissolved in 50.0 g of water. The initial temperature of the water was 21 degrees Celsius and the final temperature of the water is 15.7 degrees Celsius. 1)Calculate the heat of solution, DeltaHsolution. 2) calculate the heat of solution,

asked by Tom on October 19, 2009
59. ## Chemistry

5.0 g of NaNO3 is dissolved in 50.0 g of water. The initial temperature of the water was 21 degrees Celsius and the final temperature of the water is 15.7 degrees Celsius. 1)Calculate the heat of solution, DeltaHsolution. 2) calculate the heat of solution,

asked by Tom on October 19, 2009
60. ## Chemistry

5.0 g of NaNO3 is dissolved in 50.0 g of water. The initial temperature of the water was 21 degrees Celsius and the final temperature of the water is 15.7 degrees Celsius. 1)Calculate the heat of solution, DeltaHsolution. 2) calculate the heat of solution,

asked by Tom on October 19, 2009
61. ## algebra

How would you solve this math equation? this is really confusing to me. Ms.Martin was researching the costs of financing \$125,000 for a home. She found that the monthly payment for a 6.875% loan for 30 years would be \$821.16 per month. She found that the

asked by Caleb on September 4, 2008
62. ## physics

Part 1) The block in the figure is initially at rest on an inclined plane at the equilibrium position that it would have if there were no friction between the block and the plane. How much work is required to move the block 50 cm down the plane if the

asked by Hunter on October 9, 2013
63. ## Calculus

The function f is continuous on the closed interval [-5,5], and f(-2) = 6, f(1) = -3, and f(4) = 6. Which of the following statements must be true? A. The equation f(x) = 0 has at least two solutions on the closed interval [-5,5]. B. The equation f(x) = 0

asked by Anonymous on April 24, 2017
64. ## AED/204

Address the following points after reading the scenario written below: - List three social factors that most impact the scenario - Justify your answer with an example from the scenario for each selectred factor. - Conclude by suggesting a viable solution

asked by jetti on August 4, 2010
65. ## Math Homework

1) Given the side of a square pyramid is 6cm and the altitude is 4cm calculate the surface area. 2) Given the side of a square pyramid is 12cm and the altitude is 8cm calculate the surface area. 3) Given the side of a square pyramid is 18cm and the

asked by Student on February 6, 2007
66. ## algebra

my scenario, to start a small business you will need a loan of \$50.000 to purchase the restaurant. The bank interest rate 9% that compounds monthly for 7 years. What is the monthly payment for this loan, what is the fomula that you will use and the values

asked by Becky on November 12, 2012
67. ## Algebra

I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the

asked by Lisa on August 10, 2014
68. ## college chemistry

Consider the titration of a 50.0 mL sample of a 0.100 M solution of the triprotic weak acid citric acid (H3C6H5O7) with 0.100 M KOH. For citric acid, the three (3) acid dissociation constant values are ka1 = 7.40x10-3, ka2 = 1.70x10-5, and ka3 = 4.00x10-7,

asked by Aubree on April 21, 2010
69. ## Improving writing assignment

Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial

asked by Diana on September 8, 2013

#1 Write the ratio in the simplest form. 30 : 6 15 : 3 6 : 6 5 : 1 2 :3 #2 Write the ratio in the simplest form. 96 : 12 1 : 8 48 : 6 32 : 4 8 : 1 #3 Solve the proportion. x/3 = 4/6 x = 2 x = 4 x = 6 x = 8 #4 Solve the proportion. 2/y = 3/12 x = 2 x = 4 x

asked by Delilah on November 5, 2012
71. ## chemistry

A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine

asked by Kristy on November 10, 2010

The day after the internet went on strike, the Justice Department indicted 7 individuals and two companies who were a part of Megaupload.c--. Research MegaUpload.c-- and the copyright infringement charges. Do you think MegaUpload is guilty of copyright

asked by Kevin on April 17, 2012
73. ## CHEMISTRY

Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) right arrow Bacteria C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the

asked by Kris on August 1, 2013
74. ## Oklahoma History

How did the oil industry contribute to the economic growth of Oklahoma during the early 1900s? (Choose all that apply) A. The oil field attracted investors and wildcatters, which meant more jobs to bring people to the state to work. B. Because oil fields

asked by Katelynn on April 13, 2015
75. ## Social studies

How were Kush and Axum alike? A. both were commercial and trade centers B. both were ruled by the caste system C. both utilized the trans-Saharan trade route D. both were significantly influenced by Islam

asked by Hayden on March 8, 2019
76. ## Health care

Please check my answer thank you :) What is based on per-person premiums or membership fees ? 1. Capitation 2. Fee-for service 3. Medical savings account 4. Retrospective payment system My answer is # 1

asked by Lacie on March 8, 2008
77. ## kenson r

550 g of water (cw = 4186 J/kg.K) at 75°C is poured into an 855 g aluminum (cw =900 J/kg.K) container with an initial temperature of 11°C. What is the final temperature of the system, assuming no heat is exchanged with the surroundings?

asked by kenson on May 10, 2017
78. ## physics

Four penguins are being pulled alone by a handler. THe masses of the three penguins and the tension in the two of the cords are M1 =14kg, m2=26kg, m4=23kg, T2=115N, and T4=320N. Find the acceleration of the system and b) the mass of m3 that is not give.

asked by Anonymous on November 8, 2013
79. ## Science

Do global positioning systems use elevation on Earths system to find latitude and longitude A. By using signals from a network of satellite B. By using topographic maps C. By using satellite images D. By using photography

asked by John on May 19, 2017
80. ## early childhood development

the basis of a good child guidance system is the caregiver's (a)arrangement of space in the facility (b)kknowledge of child development (c)choice of equipment (d)schedule of activities i put b

asked by Tamika on June 27, 2011
81. ## Chemistry

A chemist needs to prepare a buffer using the carbonate system (information in the table below) with a final pH of 6. Which components should they mix in water to product this buffer? H2CO3 HCO3- CO32- pKa 6.35 10.33 N/A

asked by J on November 26, 2015
82. ## dynamic Decision making

Using the concepts that you learned from the online explanation of control theory, describe the operation of a Subway sandwich shop. Be sure to describe the system using feedback loops and a detailed narrative.

asked by jesse on November 5, 2010
83. ## ECONOMICS

What will Happen in this Senerio? If someone deposits \$15,000.00 into a Bank and the required reserves is 15% what will be the total increase in checking account deposits in the banking system and what will be the maximum loans available to the public?

asked by DERICK on November 28, 2009
84. ## world history

the Liao empire did all of the following exept a. create a chinese style dynasty b. conquer southern china c. adopt chinese writing d. use the civil service system my answer D

asked by jessy on July 20, 2015
85. ## chemistry

The chemical reaction for dissociation of an acid is: HA + H2O → H3O+ + A- Assuming all of the hydronium ion (calculated in in the previous problem) comes from this reaction, what is the concentration of conjugate base, [A-], in this system?

asked by sarah on May 4, 2014
86. ## Science

1. Which of the following is not a function of the circulatory system? Breaks down large molecules delivers oxygen to blood cells takes carbon dioxide away from body cells **Fights infection**

asked by 444 on January 29, 2019
87. ## physics

A 0.125 kg mass is attached to a spring and undergoes simple harmonic motion with a pe- riod of 0.41 s. The total energy of the system is 2.5 J. Find the amplitude of the motion. Answer in units of m.

asked by Anonymous on February 24, 2015
88. ## social studies

How were Kush and Axum alike? A. both were commercial and trade centers B. both were ruled by the caste system C. both utilized the trans-Saharan trade route D. both were significantly influenced by Islam

asked by Hayden on March 9, 2019
89. ## US Government

Society operates more efficiently if government power is centralized. What reasons exist for continuing federalism in its current form? In other words, defend a federal system of government.

asked by Leanna on October 3, 2010
90. ## physis

A dry water well is 1.5 m in radius and 5.0 m deep. In order from lowest to highest, the fifth resonant frequency of this well is closest to ... I know that it is an open-closed system, but how would we take into account the amplitude, which is the radius

asked by sammy on January 27, 2010
91. ## chemistry

When a piece of copper weighing 250 grams is placed n a cup with 450ml of H2O at 21C and the Cp of te cupis 47J/K, how many grams of gasolne would it tae to heat the system to 110C?

asked by reginajones on February 16, 2011
92. ## Child Care

The basis of a good child-guidance system is the caregiver's A. arrangement of space in the facility. B. knowledge of child development C. choice of equipment D. schedule of activities. I chose B.

asked by Brenna on February 16, 2009
93. ## Physics

Two converging lenses with focal lengths 5 cm and 30 cm are placed 35 cm apart. Rays from a very distant object are impinged on the lens system parallel to the principal axis. What is the refractive power of the combination of these two lenses?

asked by Abby on March 26, 2011
94. ## Question regarding this web site

If I need for you to check my apa formated paper including my references that were used. How can I do this if your system tells me I can not because I do not own that web site. You cant post links. but you can post them this way.. http: w w w chosemylink

asked by ann on July 1, 2007
95. ## Social studies

Which development helped increase literacy in China? A. The expansion of the civil service system B. The introduction of Buddhism C. The development of Neo-Confusunism D. The invention of movable type

asked by Connexus help asap on December 3, 2018
96. ## physics

when an accident happens in the sea due to collision of ships, there is a huge amount of oil spill in the sea .how does this affect of eco system?what spices of the marine life are affected by it and how?

asked by bhavika on December 24, 2012
97. ## Chemistry

One mole of N2 and 3 moles of H2 are placed in a flask at 375 degree celsius.? Calculate the total pressure of the system at equilibrium if the mole fraction of NH3 is found to be 0.21. The Kp for the reaction is 4.21 x 10 raise to -4

asked by Alex on April 22, 2015
98. ## history

prior to 1763, the british government followed a policy of salutary neglect towards the american colonies because: a. wished to secure the olyalty of the colonies b. lacked a well organized imperial system I think it is B

asked by kyle on September 14, 2008
99. ## AP Physics 1

A 1400 kg car is moving westward with a speed of 12 m/s, and a 3600 kg truck is traveling east with a speed of 27 m/s. Find the velocity of the center of mass of the system. Answer in units of m/sˆ

asked by Anonymous on January 13, 2017
100. ## history

True/false and if false change the word in ( ) The process of handing out jobs to one's supporters is known as the (citizen system) During the american revolution, the (hessians) remained loyal to england.

asked by krystal on May 23, 2011