# 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

92,096 questions, page 449
1. ## managerial finance

Bunyan Lumber, LLC, harvests timber and delivers logs to timber mills for sale. The company was founded 70 years ago by Pete Bunyan. The current CEO is Paula Bunyan, the granddaughter of the founder. The company is currently evaluating a 7,500 acre forest

asked by Janie S on May 1, 2011
2. ## managerial economic

. A doctor spent two weeks doing charity medical work in Mexico. In calculating her taxable income for the year, her accountant deducted as business expenses her round-trip airline ticket, meals, and a hotel bill for the two weeks stay. she was surprised

asked by air on June 21, 2013
3. ## Health and Disease

Post your response to the following: Write a 150- to 200-word script for a radio ad that promotes a healthy musculoskeletal system in old age. Address the risk factors for arthritis, osteoporosis, and injuries from falls. Incorporate prevention strategies

asked by Crystal on October 23, 2008
4. ## child day care management,health,safety,and nutrit

Q;Which of the following is an obstacle to learning for a beginning mover? A.knowledge of what elements of the movement to focus on B. chronic indifference characteristic between birth and age three. C.shorter time to monitor perceptual input from the

asked by alex on February 24, 2011
5. ## U.S History

which action is an example of the system of checks and balances? A. Texas requires at least 180 school days per year. B. An individuals pays both state and federal income tax. C. The House of Representatives votes to expel on of its members. D. The senate

asked by bryce on December 20, 2012
6. ## trigonometry

1. In 2001, Windsor, Ontario received its maximum amount of sunlight, 15.28 hrs, on June 21, and its least amount of sunlight, 9.08 hrs, on December 21. On what day(s) can Windsor expect 13.5 hours of sunlight? I determined the equation for this is D(h) =

asked by KL on July 16, 2018
7. ## Social Studies And Business

1. Which of the following incentives is a reward? Select all that apply. (2pts) (2 answers) Feeling like you're looking great Getting a lower grade than expected Being paid a bonus for good performance Being fired from a job for angering a customer Feeling

asked by Reeses on April 14, 2017
8. ## physics -jumper

The feet of a standing person of mass m exert a force equal to mg on the floor, and the floor exerts an equal and opposite force upwards on the feet, which we call the normal force. During the extension phase of a vertical jump, the feet exert a force on

asked by lau on June 4, 2010
9. ## Chemistry

Alexander, who weighs 180 lb, decides to climb Mt. Krumpett, which is 5570 m high. For his food supply, he decides to take nutrition bars. The label on the bars states that each 100-g bar contains 10 g of fat, 40g of protein, and 50 g of carbohydrates. In

asked by Kathy on January 26, 2010
10. ## Math

4. The animal shelter rescued 40 cats and dogs today. If 12 of them were cats, what percent of them were dogs? Should I solve by subtracting 40-12 to get the number of dogs or solve using the cats and then subtracting that from 100? 40-12 = 28 dogs 28/40 =

asked by Jared on October 7, 2018
11. ## Chemistry

Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved to make this solution. delta T = Kf*molality Plug in 0.085 for delta T, I assume you know Kf for water, calculate molality. Then

asked by Lauren on February 9, 2008
12. ## Chemistry

Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved to make this solution. delta T = Kf*molality Plug in 0.085 for delta T, I assume you know Kf for water, calculate molality. Then

asked by Lauren on February 9, 2008
13. ## college: ECON

Pedro is a rice farmer. In order to grow rice, he needs \$100 to buy seeds. Rice production is risky. If it turns out to be a GOOD year, Pedro has a harvest worth \$500. If, instead, he has a BAD year, Pedro’s harvest is worth \$0. Assume throughout this

asked by anonymous on June 5, 2010
14. ## Physics

A projectile is shot horizontally at 30m/s from the roof of a building 100m tall. Use g=10m/s^2. Choose + vertical direction to be pwards. a) determine the time necessary fot the projectile to reach the ground below b) determine the horizontal distance

asked by Tammy on September 26, 2007
15. ## English

Posted by rfvv on Wednesday, March 30, 2011 at 9:51pm. 1. Dancing is fun. (Is 'fun' and adverb or a noun? English - Writeacher, Wednesday, March 30, 2011 at 9:57pm In this sentence, it's an adjective, modifying "Dancing." English - rfvv, Thursday, March

asked by rfvv on March 31, 2011
16. ## Art

How did his artwork reflects or defines his time period? In 1842, through friendly influences, vanderlyn he was commissioned by Congress to paint The Landing of Columbus. When he went to Paris, he hired a French artist, it was said that he did most of the

asked by marcellous on April 15, 2009
17. ## math

If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value is a solution to an equation? If you replace the equal sign with < of >; is the only time when the same value is a solution to an equation. -6/7

asked by Anonymous on September 22, 2010
18. ## Chemistry

In this experiment NaOH is standardized to find out the percent by mass of the acetic acid in a sample of vinegar. A student had not allowed the NaOH pellets to dissolve completely before standardizing it with KHP, but when the student refilled the buret

asked by Sandy on March 29, 2014
19. ## pre-algebra

Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2.

asked by _kylee17_ on May 2, 2016
20. ## physics

A bag of cement of weight 325N hangs from wires as Shawn. Two of the wires make angels al=60 degrees a2=50 degrees with the horizontal. If the system is in equilibrium find the tension T1, T2 and T3 in the wires.

asked by Chansa on May 4, 2016
21. ## Physics

An elevator motor provides 45.0 kW of power while lifting a 2000 kg elevator 35 m. If the elevator contains six passengers of the same mass and it takes 20.0 s to accomplish this task, determine the mass of each passenger. Assume the system is 83 %

asked by Holly on January 16, 2014
22. ## accounting

Bulldog Appliances uses the periodic inventory system. Details regarding the inventory of appliances at September 1, 2011, purchases invoices during the next 12 months, and the inventory count at August 31, 2012, are summarized as follows

asked by Anonymous on March 27, 2012
23. ## physics

In the drawing, the weight of the block on the table is 428. N and that of the hanging block is 195. N. Ignore friction, the mass of the rope, and the mass of the pulley. Find the acceleration of the two block system in m/s2.

asked by Jill on December 14, 2014
24. ## social studies

Drag the accomplishments to the civilization. Accomplishments may be used more than once. 1. developed the first system of writing in the Americas 2. developed the numeral zero 3. used slash-and-burn agriculture 4. developed the calendar Maya ----- 2?

asked by whats upp on February 25, 2019
25. ## Chemistry

Consider the heterogeneous equilibrium process shown below. C(s) + CO2(g) 2 CO(g) At 700.°C, the total pressure of the system is found to be 3.87 atm. If the equilibrium constant KP is 1.52, calculate the equilibrium partial pressures of CO2 and CO.

asked by Alan on February 23, 2013
26. ## Physics

In the drawing, the weight of the block on the table is 405. N and that of the hanging block is 191. N. Ignore friction, the mass of the rope, and the mass of the pulley. Find the acceleration of the two block system in m/s2.

asked by Toung on December 19, 2012
27. ## Physics

A 5.0 kg object (m1) is connected to a 10.0 kg object (m2) by a string. If a pulling force F of 20 N is applied to the 5.0 kg object as shown, A) what is the acceleration of the system? B) what is the tension in the string connecting the objects? (Assume a

asked by Anonymous on October 5, 2010
28. ## chem 211

If 100.0mL water of at 50.0C is added to 100.0 mL of water at 20.0C. What temperature would the mixture of water reach? Assume the system is perfectly sealed and no heat is lost to the calorimeter or to the outside environment. 2)

asked by beti on November 5, 2013
29. ## Math

James wants to buy a video game system that costs \$310.00. His Parents say James must raise 45% himself. How much money must James raise? (1 point) A: \$124.00 B: \$135,00 C: \$139.50*** D: \$170.50

asked by Star Wars Geek on December 16, 2015
30. ## Science HELP!

When diving into water, it is important to look before diving to avoid (blank)damage your nervous system. A. Deep water B. Underwater hazards C. living creatures D. Water toys Is the answer B? Thanks

asked by Anonymous on October 25, 2014
31. ## Physical Education help

When diving into water, it is important to look before diving to avoid (blank) that could damage your nervous system. A. Deep water B. Underwater hazards C. Living creatures D. Water toys Is the answer B? Thanks

asked by Anonymous on October 25, 2014
32. ## case management

15. If we do not follow up with clients, what is the risk that may happen? A. the client will get lost in the system or drop out B. the client may go to another provider or organization C. services will cluster around the physical aspects D. the client

asked by sandra on December 10, 2012

Stereo Inc. sells a stereo system for \$500 down and monthly payments of \$60 for the next 4 years. If the interest rate is 1.75% per month, find: a) The cost of the stereo. b) The total amount of interest paid.

asked by Alex on March 18, 2015
34. ## Physical Science

I need some help. I have tried working this problem and can't get it. A scale model of the solar system is being constructed where 40cm of the model represents 0.5 AU of actual distance. What is the model dimension, in meters, for the distance of Jupiter

asked by mel on April 8, 2012
35. ## CHE 111-03L

The following system is at equilibrium: 2X(s)+4Y(g)⇌Z(g) Classify each of the following actions by whether it causes a leftward shift, a rightward shift, or no shift in the direction of the net reaction. Half the Volume Remove Some X Double the Volume

asked by Peter on October 2, 2016
36. ## Is this correct? Algebra

9. Joe wants to fence a rectangular pen for his goats. the length of the pen should be at least 60 ft, and the distance around should be no more than 260 ft. Which system of inequalities and graph represent the possible dimensions of the pen? I want to

asked by Kiki on February 7, 2018
37. ## pysics

a .15 kg ball is placed in a shallow wedge with an opening angle of 120 degrees. for each contatct point between the wedge and the ball, determine the force exerted on the ball. assume the system is frictionless.

asked by stephanie on November 3, 2010
38. ## stastics

solving problem the chicago public school system has about 680 schools about 130 of the schools will be closed. if the five schools are chosen at random find the probability that at least three of them willl be closed

asked by lilly on April 3, 2013
39. ## biology

humans have a double circulation system. there is a low pressure circulation and a high pressure circulation. (a) explain how the structure of the heart enables it to pump blood into two circulations at different pressures

asked by pooja on March 9, 2012
40. ## technology in criminal justice

provide examples of and discuss how less-than-lethal ammunition has revolutionized the way law enforcement deals with situations of civil disobedience and unrest. In addition, explain why there is no such thing as "non-lethal ammunition." Thanks for any

asked by Jo on February 9, 2007
41. ## English

Steroids in the world of Athletes In the last decade many records have been broken in the world of athletics, is this do to harder training and work ethic or the ignorant testing of anabolic steroids. With technological advances the enhancement of athletes

asked by Walker on April 11, 2008
42. ## physics

You are travelling in your 2000 kg car at 12.5 m/s and wish to accelerate to 17.3 m/s in 4.28 seconds, how much work, to the nearest joule, is required? -------------------------------------------------------------------------------- 4 In the previous

asked by blah physics on May 22, 2013
43. ## Chem

An air purifiction system involving litium hydroxide, LiOH, was used. LiOH absorbs carbon dioxide. 2LiOH(s) + CO2(g) Li2CO3(s) + H2O(l) Use Le Chatelier's principle to explain why the amount of time astronauts can spend in a space-craft is limited?

asked by Lena on July 25, 2009
44. ## Health

@Ms.sue I need your help please You have been having trouble breathing so you go to the doctor to check it out. What important question might he ask you to determine if you have been taking good care of your respiratory system? A. "Do you bathe regularly?"

asked by Tiff on March 8, 2018
45. ## Physics

A car of mass 1.25 103 kg is initially moving on a level road at a speed of 17.0 m/s. Compute the increase in temperature of the brakes, assuming that all the mechanical energy ends up as internal energy in the brake system. Assume a total heat capacity of

asked by Alex on April 16, 2012
46. ## American Government

All of the following statements correctly describe the typical independent agency except: A. it has a narrower area of responsibility than cabinet departments. B. it is divided into a number of smaller operating units. c. its employees are mostly hired

asked by Brandon on February 6, 2011
47. ## accounting

A company purchased 1000 units of inventory on September 25 and the cost per unit was \$8.50. Terms of the purchase were 2/10, n/30. The invoice was paid in full on October 4. (Assume a perpetual inventory system). Prepare the journal entries to fully

asked by Jo on October 31, 2010
48. ## Social studies

What was one similarity between the bill of rights and the Magna Carta? A. Both outlined a structure that gave the government the right to tax its citizens B. Both established a detailed justice system C. Both provided guidelines for ensuring basic citizen

asked by Kailee on October 12, 2016
49. ## Physics

A car of mass 1.33 103 kg is initially moving on a level road at a speed of 18.0 m/s. Compute the increase in temperature of the brakes, assuming that all the mechanical energy ends up as internal energy in the brake system. Assume a total heat capacity of

asked by Tyler on April 11, 2017
50. ## Psychology

One of the interesting aspects of family therapy is the "system" or roles which are assumed by family members. A good example would be _______________.  A. the father sometimes comes home late  B. the mother has difficulty making decisions

asked by Mat on July 26, 2013
51. ## Physics

Suppose that a binary star system consists of two stars of equal mass. They are observed to be separated by 380 million kilometers and take 9.0 Earth years to orbit about a point midway between them. What is the mass of each?

asked by John on January 19, 2014
52. ## history

what was the main benefit of the factory system? a. it cut cost's and made workers more efficient b. it gave people their first chance too support themselves c. it reduced pollution caused by family-based power sources d. it increased the value of the

asked by PLS HELP on May 4, 2015
53. ## Physics

A copper calorimeter can with mass .100 kg contains .160 kg of water and .018 kg of ice in thermal equilibrium at atmospheric pressure. If .750 kg of lead at a temperature of 255 degrees Celsius is dropped into the can what is the final temperature of the

asked by Katherine on October 18, 2010
54. ## government

The Federal Administrative System's main goal is to ________________________. implement the laws that are passed by Congress and signed into law by the President be as independent as possible from the executive branch create a huge bureaucracy to ensure

asked by Shelly on November 15, 2011
55. ## medical -health

you woek in the hospital's health information management department. part of your job is to assist the medical residents with completing records documenttation. one of the residents complains that he doesn't understand why insurance companies need so much

asked by kim on March 16, 2010
56. ## Physics

A light, rigid rod 1.039m in length joins two particles with masses 3.65kg and 4.94kg at its ends. The combination rotates in the xy plane about a pivot through the centre of the rod. Determine the angular momentum of the system about the origin when the

asked by Helen on July 5, 2016
57. ## History

5.)what was the main benefit of the factory system? A.)it cut cost's and made workers more efficient *** B.)it gave people their first chance too support themselves C.)it reduced pollution caused by family-based power sources D.)it increased the value of

asked by #FreeGucci on March 28, 2016
58. ## physics

A copper calorimeter can with mass .100 kg contains .160 kg of water and .018 kg of ice in thermal equilibrium at atmospheric pressure. If .750 kg of lead at a temperature of 255 degrees Celsius is dropped into the can what is the final temperature of the

asked by Jen on November 15, 2007
59. ## Algebra

Solve for x. 4(12)4x=1000 Enter your answer to the nearest hundredth in the box. x ≈ 5.21

asked by lala on April 24, 2017
60. ## Math

For the equation 3^x - 3^-x = 1 solve for x by writing your final answer in logarithmic form.

asked by Happinessdelight on March 27, 2017
61. ## Math

Solve without the use of a calculator: sin20(tan10+cot10) I know it should equal two but I don't know how to get there

asked by bLUE on March 22, 2017
62. ## Alg I

12r^2 + ____ + 6 How do I solve this ax^2 + bx + c problem. Please explain in detail. I simply do not get it. Thanks.

asked by Jane on March 27, 2013
63. ## math

would you use mental math to solve 2984+1997+406? explain

asked by shreya on December 10, 2011
64. ## math

sorry but i don't understand this one either solve 4sin^2x+4√2 cosx-6 for all real values of x

asked by isaiah on February 28, 2016
65. ## Geometry

having trouble understanding the process to solve this question: if m(Ú6)=8x-40 and m(Ú4)=6x+2 what are the mesures of angles 6 and 4?

asked by Heather on February 7, 2010
66. ## Math

Which linear technique would be best to solve this problem? 3x/4 + 6 = -12 And which quadratic equation would be best for -4x^2=0 Thanks for any suggestions.

asked by lyndse on December 12, 2009
67. ## Math

Solve each equation. Round decimal answers to the nearest thousandth. 5(0.10)^x = 4(0.12)^x

asked by Star on November 24, 2010
68. ## Algebra 1

What is the answer to 6t^+2-4t-3t+2? And please explain the steps of how to solve this. The directions say to factor each polynomial.

asked by Blake on March 6, 2011
69. ## Algebra

use factoring to solve the equation 4x²-23x=6 I think the answer is x=-1/4,x=6 Just want to make sure that's right

asked by HELP on July 3, 2011
70. ## math

SOLVE THE EQUATION BY FACTORING PLEAZE EXPLAIN.THANKS. 19. 6X TO SECOND POWER-10X-4=0

asked by SYNESTER on March 31, 2008
71. ## algebra

I have to simplify this please help how to solve the problem involving rational algebraic expressions 3 over a+2a over 3a=11 over 15

asked by Anonymous on November 6, 2012
72. ## Algebra II

Hey all. I'm trying to solve this question, but don't really understand how to do it: If (x^4)^5 = x^a for all values of 'x', what is the value of 'a'? Any help is much appreciated, thanks!

asked by Anonymous on September 29, 2015

What are the pros and cons of completing the square as a way to solve quadradic equations?

asked by Marysvoice on February 15, 2008
74. ## Calculus

The following Summation 1 2 1 2 1 2 ------ x - + ------ x - + ------ x - 1+(2/n) n 1+(4/n) n 1+(6/n) n is a right Riemann sum for this integral ç f(x)dx With subintervals [1,3] can someone help me solve for the inegrand which is f(x).?

asked by jimmy on April 16, 2007
75. ## Math

Solve the inequality -5x

asked by Anon on October 12, 2018
76. ## algebra

Can someone help me explain how factoring is used to solve quadratic equations? I can't find an explaination anywhere.

asked by Shelley on November 24, 2010
77. ## Maths

hello how do we convert a number into fraction for example : 1.75 = 7/4 0.111... = 1/9 .001=1/1000 how to solve that? please i need help! Thanks

asked by rebecca bhutto on December 12, 2009
78. ## algebra

asked by mimi on March 10, 2011
79. ## math

Solve the equation. (Find only the real solutions.) x2 - x - 2 = 0 they also said there is a smaller value and a larger value ??

asked by Cassy on January 19, 2014
80. ## Pre-Calculus

Solve for 0¡Üx

asked by Amy on December 12, 2009
81. ## algebra

Could someone please just basically describe how to solve rational equations? I don't understand them. :(

asked by mark on May 17, 2010
82. ## sports puzzle

I have puzzle to solve on words from the world of sports.Do you know any web or side that can help .

asked by joseph on September 10, 2009
83. ## Math

How does one solve this? A= LxW ;w This is exactly how it was written and I heard your supposed divide something but I don't know...

asked by Anonymous on November 28, 2016
84. ## Math

The amount 116 is 145% of what number? (Write the equation and solve it)

asked by Anonymous on September 10, 2009
85. ## maths

Solve simultaneous equation. log2(x-14y)=3 logx-log(y+1)=1

asked by muleya on August 13, 2018
86. ## trig

solve for x in the following equations: 1) sin(arcsin x) = 1 2) 2arcsin x = 1 3) cos(arccos x) = 1/3

asked by Abbey on January 8, 2012
87. ## algebra

solve graphically,giving real roots to the nearest tenth. x2-4x+3=0

asked by heaven on May 6, 2012
88. ## algebra

How would you solve this? I don't even know how to begin this... I know the answer is 4m^2 + 3m + 19 + (64/m-3) but I want to know how to do it incase its on the test. 4m^3 - 9m^2 + 10m + 7 / m-3

asked by Holly on December 10, 2009
89. ## Math

√(5y+1)-√(3y-5)=2, I need to solve algebraically, and state any restrictions on the values for the variables, which I can't remember how to do

asked by Al on June 12, 2014
90. ## Math

Use each number only once. Write and solve the subtraction problem with the greatest difference. 1 2 4 5

asked by Andi on January 9, 2012
91. ## math

I am to solve this inequality: 2/3x < -12 I multiplied both sides by 3/2 to get x < -12(3/2) x < -18 But the answer shows x < -9 What have I done wrong?

asked by Carly on October 16, 2018
92. ## algebra

Use the distributive property to help solve the equation: 3(w-3)=-6 W= ??? I have 3w - 3*3 = -6 then I am lost, could someone explain the steps.

asked by Help on September 10, 2009
93. ## Algebra 2

Solve the following algebraically X+2y=17 X-y=2 can you pls leave the steps of how to complete this problem

asked by Tam on October 14, 2015
94. ## ALGEBRA

Solve 10x + 75 = 150. Round your answer to the nearest hundredth. A. x ¡Ö 1.63 B. x ¡Ö 1.56 C. x ¡Ö 1.75 D. x ¡Ö 1.88

asked by mark on September 13, 2012
95. ## this math tho

31. Solve the equation by completing the square. Round to the nearest hundreth if necessary. x^2 - 6x = 7 x = 7, 1 x = -7, 1 x = -7, -1 x = 7, -1

asked by This Girl on June 13, 2014
96. ## Pre-Calculus

f(x)= 3+5cos pi/3 (x-7) If f(x)=4, solve for x. Find 1st 3 positive values. my answers: 2.31, 5.69, 8.31

asked by Anonymous on October 18, 2013
97. ## Math algebra

Write a missing addend addition sentence to help solve 78-49.explain how you would use it.

asked by Taha on November 9, 2018
98. ## Math

Simplify 8C5- I have no Idea how to solve this, if someone could help? The choices are: A. 6,720 B. 336 C. 56*? D. 10

asked by Anon2 on April 24, 2015
99. ## Math

How do you solve a equation adding or subtracting negative and postive numbers??

asked by Bob on September 16, 2009
100. ## math

The sum of the first 5 terms of a GP is 61. If the 5th term is 81 solve the value of the common ratio.

asked by john on April 12, 2017