Wednesday
June 19, 2013

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

biology 2
The digestive, circulatory, respiratory, immune, and excretory systems all work together to maintain homeostasis. Discuss how a minor malfunction in one of these systems could lead to major malfunctions in others. If methods were developed to improve the efficiency and ...
Monday, June 25, 2012 at 6:23pm

Physics
The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 4.3 1011 m. Find the period of the orbit.
Monday, June 25, 2012 at 11:26am

algebra 1
Solve this system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions. 5x=y=15 3x+2y=9
Monday, June 25, 2012 at 10:24am

Physics
A block on a spring moves in SHM with amplitude 0.23 m and period 3.8 s. The mass of the block is 2.1 kg. What is the total energy of the system?
Sunday, June 24, 2012 at 7:49pm

Physics
A block on a spring moves in SHM with amplitude 0.23 m and period 3.8 s. The mass of the block is 2.1 kg. What is the total energy of the system? Can someone please take me step by step and show me what my answer should be? Thanks!
Sunday, June 24, 2012 at 7:48pm

managerial Financial Accounting
EXERCISE 12-11. Evaluating Investment Centers with Residual Income [LO 6] Lakeside Hospital is a division of Superior Healthcare organized as an investment center. In the past year, the hospital reported an after-tax income of \$2,500,000.Total interest expense was \$1,900,000,...
Sunday, June 24, 2012 at 7:17pm

physics
A massless rod of length 1.00 m has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other. The system rotates about a fixed axis perpendicular to the rod that passes through the rod 30.0 cm from the end with the 3.00-kg mass attached. The kinetic energy ...
Sunday, June 24, 2012 at 7:09pm

accounting please help!
I have most of them done but would like to have these ones double checked... Please Help!!! 2. The balance sheet format that lists assets above liabilities is the _______ form. A. alphabetical B. liquidity C. account D. report I said B 13. Nick Company reports the following ...
Sunday, June 24, 2012 at 2:33pm

CJS230
Will someone please help me find a resourceful webiste to answer the following questions? What is an example of a state prison system? How might you explain the growth of state prisons? How can U.S. corrections professionals solve the problem of exponential growth in state ...
Friday, June 22, 2012 at 7:01pm

physical edu
Stimulant drugs cannot cause heart attack, stroke and sudden cardiac death. its true right? High blood sugars damage all the following, except ____ 1. the circulatory system, 2. kidneys (from processing too much sugar) 3. and stomach 4. and atherosclerosis. is it 4
Friday, June 22, 2012 at 2:08pm

Physics(Please respond)
A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. ÄU = Q - W Where ÄU is the change in the internal energy of the system, Q is the heat/energy ...
Friday, June 22, 2012 at 11:26am

chemistry
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 8905 J. What is the specific heat of the gas?
Thursday, June 21, 2012 at 9:02pm

Physics(Please respond)
A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. Physics(Please respond) - Elena, Thursday, June 21, 2012 at 2:33am ÄU = Q - W Where ÄU is the ...
Thursday, June 21, 2012 at 9:01pm

Geometry
Joel is laying pipe for a sprinkler system before he plants his lawn.The lawn is a rectangle 15 feet long and 8 ft wide. He needs to lay a piece if pipe that will run diagonal along the lawn. It will divide the area of the lawn into two right triangles. what will be the length...
Thursday, June 21, 2012 at 8:04pm

Criminal Justice -rsearch and statistics
I have to write a description of an original research project at least 4 pages long. I have to formulate a theory based on any subject that is relevant to the criminal justice system. My theory should be a definitive statement . There are 3 sections; Theory Construction Data ...
Thursday, June 21, 2012 at 4:31pm

Science help
Will someone please check my work for me? Molecules involved in a chemical reaction must meet to react. What is this concept called? entropy enthalpy collision theory<---- reaction rate 2. Which of the following equations is used to describe reaction rates? ∆H - T&#...
Thursday, June 21, 2012 at 3:35pm

Physics
A system performs 349 J of work on its surroundings while losing 133 J of internal energy. Determine the heat transferred to the system during this process.
Thursday, June 21, 2012 at 11:19am

algebra
A company produces doll houses and sets of doll furniture. The doll houses take 3 hours of labor to produce, and the furniture sets take 8 hours. The labor available is limited to 400 hours per week, and the total production capacity is 100 items per week. Existing orders ...
Wednesday, June 20, 2012 at 8:25pm

Physics(Please respond)
A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. I am not sure how to start this. Thank you for the help.
Wednesday, June 20, 2012 at 2:46pm

Physics
The system shown in the figure is held initially at rest. Calculate the angular acceleration of the system as soon as it is released. You can treat MA (1 kg) and MB (12 kg) as point masses located on either end of the rod of mass MC (27 kg) and length L (9 m). (Indicate the ...
Wednesday, June 20, 2012 at 1:22pm

Physics
If someone could help me get started or help me with the first few steps I could probably finish. With Mass A = .500 kg And Mass B = .125 kg Find the angle so that the system will be in equilibrium.
Wednesday, June 20, 2012 at 11:52am

Physics(Please respond)
A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. I am not sure how to start this.
Wednesday, June 20, 2012 at 11:51am

Math
Hi, I can't seem to figure out the answer to this problem. Thanks to anyone who can help! *Solve the system of equations. Write your solution(s) in the form (x,y). y = x^2 x^2 + y^2 = 20
Tuesday, June 19, 2012 at 7:31pm

Physics calculus based
Consider the Sun to be at the origin of an xy-coordinate system. A telescope spots an asteroid in the xy-plane at a position given by (x, y) with a velocity given by (vx, vy). [DATA: (x, y) = (3.3, 5.2) ×10^11 m; (vx, vy) = (-6.1, -4.0) ×10^3 m/s.] (A) What will ...
Tuesday, June 19, 2012 at 6:54pm

Intermediate Algebra
Solve using elimination method. If the system has no system or infinite number of solutions, state this. Please show all work. I need to show how I came about my answer. I need this as soon as possible please. I would appreciate any and all help!! 2x+2y=20 2x-2y=4
Monday, June 18, 2012 at 8:51pm

chemistry
calculate the reduction potential for hydrogen ion in a system having a perchloric acid concentration of 2.00 x 10^-4 M and a hydrogen pressure of 2.50 atm.
Monday, June 18, 2012 at 5:43pm

ECONOMICS
For the following questions, you are provided with two statements. Choose the two economic goals THAT ARE MOST IN CONFLICT when considering the difference between the two statements. 1) In a market system, a person is entitled to earn as high an income as possible with no ...
Monday, June 18, 2012 at 11:35am

Physics
A 3.30-kN piano is lifted by three workers at a constant speed to an apartment 28.8 m above the street using a pulley system fastened to the roof of the building. Each worker is able to deliver 197 W of power, and the pulley system is 75.0% efficient (so that 25.0% of the ...
Sunday, June 17, 2012 at 8:01pm

science
what animals dont have a circulatory system. please answer fast thank you
Sunday, June 17, 2012 at 7:23pm

Physics - Center of Mass
A 32-cm-by-32-cm checkerboard has a mass of 120 g. There are four 19-g checkers located on the checkerboard, as shown in the figure. Relative to the origin located at the bottom left corner of the checkerboard, where is the center of mass of the checkerboard-checkers system?
Saturday, June 16, 2012 at 7:41pm

acc/291
I got problem P-13-9-A allfigured out I just can'tP13-9A Condensed financial data of Arma Inc. follow. ARMA INC. Income Statement For the Year Ended December 31, 2011 Sales \$392,780 Less: Cost of goods sold \$135,460 Operating expenses, excluding depreciation 12,410 ...
Saturday, June 16, 2012 at 1:36pm

Physics
A block with mass 0.55 kg on a frictionless surface is attached to a spring with spring constant 43 N/m. The block is pulled from the equilibrium position and released. What is the period of the system?
Saturday, June 16, 2012 at 1:15pm

Physics
A block with mass 0.55 kg on a frictionless surface is attached to a spring with spring constant 43 N/m. The block is pulled from the equilibrium position and released. What is the period of the system?
Friday, June 15, 2012 at 9:14pm

chemistry
give the 2 systems of measurement. give at least 5 units used in the English system and 5 units in the metric system.
Friday, June 15, 2012 at 9:12pm

Physics
To supply the plumbing system of a New York office building, water needs to be pumped to a tank on the roof, where its height will provide a "head" of pressure for all the floors. The vertical height between the basement pump and the level of the water in the tank is...
Friday, June 15, 2012 at 4:40pm

Accounting
I need help in working this problem...please help... Gaines Company recently initiated a post audit program. To motivate employees to take the program seriously, Gaines established a bonus program.Managers receive a bonus equal to 10 percent of the amount by which actual net ...
Thursday, June 14, 2012 at 9:05pm

Biology
Which of the following are three common characteristics of echinoderms? A tube feet, circulatory system, body symmetry B marine-dwellers, endoskeletons, water-vascular system C bilateral symmetry, ossicles, respiratory system D mouths, protosomes, body symmetry is it C...
Thursday, June 14, 2012 at 4:32pm

Accounting
What account class would cash prize payment be under? A. Operating expense B. Cost of Goods Sold C. Asset D. Expense E. Liability I'm stuck between A, B, D. Help. thanks.
Thursday, June 14, 2012 at 2:06pm

Social Studies
1. For revolutionaries like Sam Adams, the term _______ embraced a way of life, a core ideology, and an uncompromising commitment to liberty and equality. A. independency B. republicanism C. federalism D. Americanism 2. Which of the following best describes the Columbian ...
Thursday, June 14, 2012 at 10:09am

alg 1
use the method of substitution to solve the system of linear equation 2x-y=5, 9x-4y=22
Wednesday, June 13, 2012 at 6:42pm

Essay:)
Topic: Compare and Contrast the Tang and song dynasties China? The Tang Dynasties (June 18,618-June 4,907)was an imperial dynasty of china preceded by the Sui Dynasty and followed by the Five Dynasties Ten Kingdoms period. It was founded by the cifamily. In chinese history, ...
Wednesday, June 13, 2012 at 3:25pm

College Algebra
solve each system by substitution method x=y+3 3x-2y=4 Pls determine whether the equations are independent, dependent, or inconsistent
Wednesday, June 13, 2012 at 11:39am

physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
Wednesday, June 13, 2012 at 5:39am

Physics
A system consists of two particles. Particle 1 with mass 2.0 kg is located at (2.0 m, 6.0 m) and has a velocity of (2.1 m/s, 4.1 m/s). Particle 2 with mass 4.5 kg is located at (4.0 m, 1.0 m) and has a velocity of (4.6 m/s, 4.6 m/s). Determine the position and the velocity of ...
Tuesday, June 12, 2012 at 12:14pm

physics
A satellite with a mass of 260 kg approaches a large planet at a speed vi,1 = 13.1 km/s. The planet is moving at a speed vi,2 = 10.2 km/s in the opposite direction. The satellite partially orbits the planet and then moves away from the planet in a direction opposite to its ...
Tuesday, June 12, 2012 at 12:26am

Physics
A system consists of two particles. Particle 1 with mass 2.0 kg is located at (2.0 m, 6.0 m) and has a velocity of (3.1 m/s, 2.6 m/s). Particle 2 with mass 4.5 kg is located at (4.0 m, 1.0 m) and has a velocity of (1.1 m/s, 0.6 m/s). Determine the position and the velocity of ...
Monday, June 11, 2012 at 7:15pm

Physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
Monday, June 11, 2012 at 6:02pm

physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
Monday, June 11, 2012 at 4:38pm

Physics
Young acrobats are standing still on a circular horizontal platform suspended at the center. The origin of the two-dimensional Cartesian coordinate system is assumed to be at the center of the platform. A 30-kg acrobat is located at (4 m, 9 m), and a 36-kg acrobat is located ...
Monday, June 11, 2012 at 3:39pm

Art
Could you please check if everything is correct? Thank you. 1) In 1986, Eric Drexler published “Engines of Creation”, a scientific dissemination in which shows not only the theoretical bases of nanotechnology, but also a series of speculation about the possible ...
Monday, June 11, 2012 at 1:22pm

Physics. Please help!
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
Sunday, June 10, 2012 at 7:58pm

Physics
A 0.95 m rod with uniform mass distribution runs along the x axis with its left end at the origin. A 1.8 m rod with uniform mass distribution runs along the y axis with its top end at the origin. Find the coordinates of the center of gravity for this system.
Sunday, June 10, 2012 at 6:55pm

Physics
From your intergalactic survey base, you observe a moon in a circular orbit about a faraway planet. You know the distance to the planet/moon system, and you determine the maximum angle of separation between the two and the period of the moon's orbit. Assuming that the moon...
Sunday, June 10, 2012 at 5:48pm

Physics!
The figure shows a uniform disk with a circular hole cut out of it. The disk has a radius of 4.00 m. The hole's center is at 2.00 m, and its radius is 1.00 m. What is the x-coordinate of the center of gravity of the system? The center of the disk is (0,0) The center of the...
Sunday, June 10, 2012 at 5:44pm

Math
The operation § associated to any number means “divide the number by 3”. Is the set of integers paired with the operation § a mathematical system?
Sunday, June 10, 2012 at 5:38pm

Managerial Accounting
What is FedEx’s strategy for success in the marketplace? Does the company rely primarily on a customer intimacy, operations excellence, or product leadership customer value proposition? What evidence supports your conclusion? What are FedEx’s four main business ...
Sunday, June 10, 2012 at 11:31am

Physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
Sunday, June 10, 2012 at 10:52am

Physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
Saturday, June 9, 2012 at 11:19pm

Physics 1
Three charges are fixed to an xy coordinate system. A charge of +16C is on the y axis at y = +3.1 m. A charge of -16C is at the origin. Lastly, a charge of +55C is on the x axis at x = +3.1 m. Determine (a) the magnitude and (b) direction of the net electrostatic force on the ...
Saturday, June 9, 2012 at 10:37pm

physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to lift...
Saturday, June 9, 2012 at 11:44am

Physics!
A 20 kg square slab with side lengths 3.0 m rotates around an axis perpendicular to the slab. A particle of mass 0.60 kg sits on each of the corners of the square. Also, a particle of mass 0.80 kg sits at the center of each of the edges. What is the moment of inertia of the ...
Saturday, June 9, 2012 at 11:31am

Physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
Saturday, June 9, 2012 at 9:52am

Physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
Saturday, June 9, 2012 at 9:39am

physics need help plz
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
Friday, June 8, 2012 at 10:11am

physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
Thursday, June 7, 2012 at 11:13pm

chemistry
Consider the system 2N2O5(g) <----> 2N2O4(g) + O2(g) + heat at equilibrium at 25C. If the temperature were raised would the equilibrium be shifted to produce more N2O5 or more N2O4? 1. more N2O4 2. more N2O5 3. There would be no effect.
Thursday, June 7, 2012 at 10:53pm

Art
Ms. Sue, could you please check this part,too? Thank you 1) He explained why he wrote Gomorrah; he did it for the new generations, seeing kids who dream to be a killer, who see in crime the only way of achievement. Boys and girls without hope. He saw his land without a future...
Thursday, June 7, 2012 at 8:34am

Physical Edu
Which of the following is NOT true concerning behavior change? a. Willpower is the most important factor in changing a new behavior. b. It is a learned skill. c. It involves conscious strategies. d. Having a reward system is helpful. e. Living in a supportive environment is ...
Wednesday, June 6, 2012 at 10:27pm

Art
Could you please check this paragraph, Ms.Sue? This is the last of the day. 1)He is a 28-year-old young writer and journalist born in Naples. He grew up in its hinterland ruled by the Camorra. Since he was a child, he has been aware of the mob's existence, its huge ...
Wednesday, June 6, 2012 at 7:17pm

economics
which is a real life example of a market that is close to perfect competition a.a computer monopoly b.an oil and gas cartel c.farmers market d.public school system.
Wednesday, June 6, 2012 at 7:15pm

computer networking
You are targeting a wirless network in your area do condut some unauthorized activities. what type of security standard would be the easiest to access A. Open System Authenication B. WEP C. WPA- PSK D. 802.11x You are accessing a wirless network in your home which utlizes WEP...
Wednesday, June 6, 2012 at 12:26pm

Physics
A research submarine is operating at a depth of 115m in sea water of density 1025kg/m^3. The absolute atmospheric pressure at sea level is 100kPa. The absolute air pressure inside the submarine is twice that at sea level. Find the net force exerted by the water outside and the...
Wednesday, June 6, 2012 at 8:41am

Accounting
Your client Anjelica Seeds wants to purchase a Burg-N-Fry franchise. The buy-in is \$500,000. Burg-N-Fry headquarters tells Anjelica that typical annual operating costs are \$160,000 (all cash) and that she can bring in “as much as” \$260,000 in cash revenues per year. ...
Tuesday, June 5, 2012 at 9:19pm

Physics(please check)
A 53-N crate is suspended from the left end of a plank. The plank weighs 21 N, but it is not uniform, so its center of gravity does not lie halfway between the two ends. The system is balanced by a support that is 0.30 m from the left end of the plank. How far to the right of ...
Tuesday, June 5, 2012 at 11:44am

Please Answer: Geography
Describe the geography of Southern South America and how this geography influences economic activity? My Answer: Southern South America consists of 3 nations, Paraguay, Uruguay and Argentina. The Rio de la Plata is great river system that consists of 4 rivers that are also the...
Tuesday, June 5, 2012 at 6:33am

Social studies
Show how each improvement helped the Qin dynasty. Improvement. Advantage 1. Road system 2. Canals 3. Great Wall
Monday, June 4, 2012 at 6:58pm

Reimbursement methodologies
You perform the billing for a skilled nursing facility,you are probably using which system?
Monday, June 4, 2012 at 6:16pm

Physics
How far is the center of mass of the Earth-Moon system from the center of the Earth? The Earth's mass is 5.97×1024 kg, the Moon's mass is 7.4×1022 kg, and the distance between their centers is 3.8×108 m.
Monday, June 4, 2012 at 12:57pm

business law
A Fortune 500 CFO admits to having deliberately treated \$4 billion in operating expenses as assets, thereby allowing the corporation to show profits instead of losses. The auditor never detected this. The corporation’s stock drops 95 percent and bond covenants related to ...
Sunday, June 3, 2012 at 11:09pm

health
How is the nervous system used when you eat
Sunday, June 3, 2012 at 8:55pm

Physics(please help)
Four very thin rods, each 8.3 m long, are joined to form a square. The center of mass of the square is located at the coordinate origin. The rod on the right is then removed. What are the x- and y-coordinates of the center of mass of the remaining three-rod system? I have no ...
Sunday, June 3, 2012 at 2:19pm

math
The ticket machine at the service counter was not operating correctly and began to skip every third ticket, beginning with ticket 430. how many tickets were skipped between ticket 431 and ticket 444?
Sunday, June 3, 2012 at 12:55pm

chemistry
an engine operating between 100 degree celsius and 0 degree celsius takes 453.6 k cal of heat. The usefull work done by it is ? plz teach me the way of calculating it
Sunday, June 3, 2012 at 12:52pm

math
create a situation that can be modelled by this linear system, then write a related problem. 10x + 5y = 850 x - y = 10
Sunday, June 3, 2012 at 12:43pm

Art
Here is the second part of the summary. Thank you, Writeacher. 1) Huxley describes a utopian society determined by a scientific caste system in which human beings are born artificially on an “assembly line” divided into different categories which determine their ...
Sunday, June 3, 2012 at 11:15am

Chemistry
Consider the following equilibrium at 1000K: 2SO2 (g) + O2 (g) ¡ê 2SO3 (g) A study of this system reveals that there are 3.5E-3 moles of sulfur dioxide gas, and 4.8E-3 moles of oxygen gas present in a 11.0L flask at equilibrium. The equilibrium constant for this ...
Sunday, June 3, 2012 at 11:03am

Physics
A 0.53-kg mass is attached to a horizontal spring with k = 106 N/m. The mass slides across a frictionless surface. The spring is stretched 27 cm from equilibrium, and then the mass is released from rest. (a) Find the mechanical energy of the system. (b) Find the speed of the ...
Saturday, June 2, 2012 at 8:13pm

Physics
two skaters, each of mass 55 kg, approach each other along parallel paths separated by 3.8 m. They have opposite velocities of 1.9 m/s each. One skater carries one end of a long pole with negligible mass, and the second skater grabs the other end of it as she passes. The ...
Saturday, June 2, 2012 at 8:09pm

physics help plz thanks
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
Saturday, June 2, 2012 at 5:24pm

Physics
A 0.51-kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. The spring is stretched 26 cm from equilibrium, and then the mass is released from rest. (a) Find the mechanical energy of the system. (b) Find the speed of the ...
Saturday, June 2, 2012 at 12:07am

Physics
If you could reach absolute zero then? A) The system falls into quantum ground state B) The system will have an entropy of zero C) Molecules will not overlap, D) Particles will continue to move E) There is still zero-point energy Are all of these true?
Friday, June 1, 2012 at 9:44pm

accounting information system
Brisbane Ltd has always had a strategy of product differentiation; that is, providing high quality products and extracting a price premium from the market. During the recent economic downturn, Brisbane Ltd has seen its customer base diminish and has decided to move ...
Thursday, May 31, 2012 at 7:47am

Mat 116
What is the solution of the system 7r - 5s = 36 and 5r + 7s = 68
Wednesday, May 30, 2012 at 10:04pm

world gegraphy
since the fall of communism, some eastern europeans have: a. taken steps to return to a communist system of goverment b. had difficulty adapting to a free market system c. cleaned up their environment problems d. all of the above
Tuesday, May 29, 2012 at 8:08pm

world geography
a system in which monarchs or lords gave land to obbles in return for pledges of loyalty was known as: d. feuldalism
Tuesday, May 29, 2012 at 7:54pm

Finance
Firm A has \$20,000 in assets entirely financed with equity. Firm B also has \$20,000 in assets, financed by \$10,000 in debt (with a 10 percent rate of interest) and \$10,000 in equity. Both firms sell 30,000 units at a sale price of \$4.00 per unit. The variable costs of ...
Tuesday, May 29, 2012 at 12:56am

Math
Determine the ordered pair that solves the linear system 3(x – 1) – 2(y – 3) = 0 and 3(x + 4) – 4(y – 1) – 1 = 0.
Sunday, May 27, 2012 at 3:53pm

math
How many solutions are there for the linear system x – y = –5 and x + y = 1?
Sunday, May 27, 2012 at 3:53pm

math
7. A watch that loses a half-minute every hour was set to read the correct time at 05 45h on Monday. Determiner the time, in the 12-hour system, the watch will show on the following Friday at 19 45h.
Sunday, May 27, 2012 at 3:09pm

English
Doug is on the phone with the vice president of marketing, pitching to him the benefits of the new Web-based performance appraisal system that HR wants to implement throughout the company. “It will simplify things for you. More importantly, it will boost your department&#...
Saturday, May 26, 2012 at 11:13pm

HIS 103
Was a more fluid social structure, with more change and mobility somehow not diserable in the caste system
Saturday, May 26, 2012 at 9:54pm

HIS 103
Why was a well-defined social hierarchy so important in the caste system.
Saturday, May 26, 2012 at 7:22pm

CUC
1.Two masses of 4gm and 6gm respectively are attached to the ends of a light rod of negligible mass and the rod rotates anticlockwise at the rate of 2rev/sec about an axis passing through the center of mass and perpendicular to its length. Calculate (a)the angular momentum of ...
Saturday, May 26, 2012 at 5:55am

Science
Here are the other sentences on the same theme I urgently need you to check. I hope you can help me. Thank you. 1) The existence of complex molecular structures present in every living system is used by Drexler to show the theoretical possibility of the design and construction...
Friday, May 25, 2012 at 5:04pm

history
Which system of Spanish government did haciendas replace? A. the encomienda B. popular sovereignty C. socialism D. coalitions
Friday, May 25, 2012 at 2:33pm

Business HELP!!!
This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
Friday, May 25, 2012 at 3:35am

physics
if the pulleys are massless and frictionless and the rope is of negligible mass, and aristotle wanted to raise the 332 newton weight to a height of 6 meters. A-find the magnitude of force F he needed to pull on the rope to move the weight upward with a constant velocity. B-...
Thursday, May 24, 2012 at 6:24pm

Business
This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
Thursday, May 24, 2012 at 3:08pm

Business Accounting
This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
Thursday, May 24, 2012 at 1:46pm

chemistry kinetics
The reaction SO2Cl2(g) → SO2(g) + Cl2(g) is a first order reaction carried out at constant volume at 600 K whose t1/2 is 4.1 hr. The initial pressure of SO2Cl2 is 1.25 atm. What will be the total pressure of the system after 1 hour?
Thursday, May 24, 2012 at 1:04am

English
Choose the correct sentence Question 1- A) The patient was brought to the operating room, and we induced general endotracheal anesthesia, and then prepped and draped in the usual sterile fashion. B) The patient was brought to the operating room, induced in general endotracheal...
Wednesday, May 23, 2012 at 4:44pm

programming
A hotel’s occupancy rate is calculated as follows: Occupancy rate = number of rooms occupied total number of rooms Write a program that calculates the occupancy rate for each fl oor of a hotel. The program should start by asking for the number of fl oors in the hotel. A ...
Tuesday, May 22, 2012 at 9:00pm

political science
the system of government in the state of CA can be described as : a.unitary system b.federal system 18).the constitution grants state governments: a. enumerated powers c.enumerated and defined powers
Tuesday, May 22, 2012 at 8:43pm

physics mc question!!!!HELP
Question # 1 : It a particle increases its speed by a factor of 2, what happens to the kinetic energy? a)doubles b)cuts in half c)increases by a factor of 4 d)depends on whether or not work is done on the particle Question # 2: An object falling near the surface of the Earth a...
Tuesday, May 22, 2012 at 8:01pm

world history
All of the following are true of the Tang dynasty EXCEPT that they: A. expanded the economy B. conquered parts of central Asia C. reuilt the bureaucracy and enlarged the civil service system D. built new canals and encouraged internal transportation My answer is ..D?
Monday, May 21, 2012 at 10:54pm

science
compare respitory system of a fish &human
Monday, May 21, 2012 at 9:18pm

Computer Science Computer Programming
Please help! I cannot figure out what I am doing wrong. I cannot get the correct output when I run the system. Here is what I have entered in to Netbeans IDE: package shippingcharges; public class ShippingCharges { private double weight; private int miles; public ...
Monday, May 21, 2012 at 9:01pm

Physics
A truck travels 2.85 km north and then makes a 90° left turn and drives another 4.90 km. The whole trip takes 4.50 min. (a) With respect to a two-dimensional coordinate system on the surface of Earth such that the y-axis points north, what is the net displacement vector of...
Monday, May 21, 2012 at 2:26pm

American Corrections
African Americans and Latinos/as are overrepresented in the criminal justice system. Discuss the social and political consequences of this fact.
Sunday, May 20, 2012 at 8:54pm

American Correction
Identify and describe at least three ways the criminal justice system operates to allow for an overrepresentation of African Americans and Latinos/as in the prisons. Be sure and give one example involving the police, one involving the courts, and one involving corrections.
Sunday, May 20, 2012 at 8:53pm

physics?
A heavy steel ball S is suspended by a string from a block of wood W, as shown in the sketch. The entire system is dropped from a height. Neglecting air resistance, the tension in the string is equal to A zero B the weight of S C the difference of the masses of S and W D the ...
Sunday, May 20, 2012 at 2:36pm

linear programming
Globex Investment Capital Corporation owns six companies that have the following estimated returns (in millions of dollars) if sold in 1 of the next 3 years: Year Sold (estimated return, \$1,000,000s) Company 1 2 3 1 \$14 \$18 \$23 2 9 11 15 3 18 23 27 4 16 21 25 5 12 16 22 6 21 ...
Sunday, May 20, 2012 at 8:01am

physics
A cat walks along a uniform plank that is 4 m long and has a mass of 7 kg. The plank is supported by two sawhorses, one 0.44 m from the left end of the board and the other 1.5 m from its right end. When the cat reaches the right end, the plank just begins to tip. What is the ...
Sunday, May 20, 2012 at 4:27am

social studies/ history
Oh!!!! Ms.Sue, the question said "Explain the Iroquoise pollitical system".
Saturday, May 19, 2012 at 8:42pm

social studies/ history
1) Explain the Iroquois system. 2) How did the Europeans change the ways of life of the Plains Indians. Help! And no links please since I am in a rush, I have to pick someone up.
Saturday, May 19, 2012 at 7:52pm

world history
How did the three-field system contribute to the agricultural revolution that took place during the Middle Ages? A.It allowed peasants to produce more crops B.It gave more land to the peasants C.It gave more land to the nobles D.It helped revive religion My answer is ...A
Saturday, May 19, 2012 at 6:20pm

world history
What was one result of the cultural blending between Muslims and Hindus ? A.the destruction of buddhism B.the mughal dynasty C.the skin religion D.the caste system My answer is ..B ?
Saturday, May 19, 2012 at 5:27pm

Econ
Suppose the government wants to reduce the total pollution emitted by three firms in its area. Currently, each firm is creating 4 units of pollution in the area, for a total of 12 pollution units. The government wants to reduce total pollution in the area to 6 units. In order ...
Saturday, May 19, 2012 at 11:27am

Math
Question 2 For the function f(x) = 3x2-2x-7, find f(2). Answer f(2) = 13 f(2) = 25 f(2) = 1 f(2) = 1/2 3 points Question 3 One day you work 3 hours and your boss gives you \$22. Another day after working 4 hours your boss gives you \$33. Yesterday after working 5 hours you get \$...
Friday, May 18, 2012 at 10:34pm

database management
2. Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms. The system assigns each patient a patient ID number. In addition, the patient’s name ...
Friday, May 18, 2012 at 11:10am

Chemistry
4. 5.6 x 10-6 mol of A and 5 x 10-5 mol of B are mixed in a 200 mL flask. The system is represented by the equation: 2A + B --> 3C I 2.8x10-5 M 2.5x10-4 0 C -2x -x +3x E 2.8x10-5-2x 2.5x10-4-x 3x10-5 B = 2.5x10-4-x = 2.4x10-4 x = 1x10-5 A = 2.8x10-5-2(1x10-5) = 8x10-6 C = ...
Thursday, May 17, 2012 at 11:25pm

Chemistry
PLEASE fully explain these...I've already tried to figure them out and failed terribly... thanks so much 4. 5.6 x 10-6 mol of A and 5 x 10-5 mol of B are mixed in a 200 mL flask. The system is represented by the equation: At equilibrium, there is 4.8 x 10-5 mol of B. ...
Thursday, May 17, 2012 at 10:31pm

algebra1
graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four ...
Thursday, May 17, 2012 at 7:57pm

algebra1
y=-x+8 x+y=7 a)(1/2,15/2) b)system has infinitely many solutions c)(-1/2,17/2) d)no solutions
Thursday, May 17, 2012 at 7:28pm

algebra1
how many solutions does the system have? x-2y=6 3x-6y=18 a)1 b)2 c)many d)none
Thursday, May 17, 2012 at 7:12pm

algebra 1
y=2x-1 2x-y-1=0 a)this sytem has excatly onw solution b)this system has indinetly many solutions c)this system has no solution d)(1,1) and (0,0)
Thursday, May 17, 2012 at 7:03pm

algebra1
graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four ...
Thursday, May 17, 2012 at 6:46pm

algebra1
wihtout graphing, is this system independent, dependent, or incosistent? -2x-y=9 3x-4y=-8
Thursday, May 17, 2012 at 6:18pm

algebra1
can you guys please classify the system as consinent or inconsitent, and determin solution x-y+z=6 7x-2y-2z=1 5x+6y+3z=11
Thursday, May 17, 2012 at 6:15pm

algebra1
can you guys please graph the system of inequalities and clasify the solution of y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1
Thursday, May 17, 2012 at 6:12pm

Medical
When a physician is billing under the RBRVS system, he or she is using A. APCs. B. HCPCS/CPT codes. C. MS-DRGs. D. ICD-9 procedure codes My answer is (B) check this one for me please
Thursday, May 17, 2012 at 11:50am

Enviro Science
4. Which of the following issues hinders efforts to achieve sustainability? a. who will solve environmental problems b. who is responsible for environmental problems c. who pays the costs of implementing solutions d. all of the above D 8. Which of the following factors does ...
Wednesday, May 16, 2012 at 1:19pm

grography
1) the nations of Indochina ________ share a common language share a common history share a common religion none of the above 3) which statement about austria and switzerland is not true? the alps tower above both countries unlike switzerland, austria has mineral resources ...
Wednesday, May 16, 2012 at 10:52am

Enviro Science
4. Which of the following issues hinders efforts to achieve sustainability? a. who will solve environmental problems b. who is responsible for environmental problems c. who pays the costs of implementing solutions d. all of the above D 8. Which of the following factors does ...
Tuesday, May 15, 2012 at 8:29pm

physics
Consider a charge of +2.0 C placed at the origin of an X-Y co-ordinate system and a charge of -4.0 C placed 40.0 cm to the right. Where must a third charge be placed – between the charges, to the left of the origin, or beyond the second charge – to ...
Tuesday, May 15, 2012 at 7:33pm

Phizzics....
How does the weight of a Mars lander change as it travels from Earth to Mars? Does the weight ever equal zero? Does the mass of the lander change? Explain your answer. (Hint: restrict your analysis to a system consisting of Earth, Mars and lander.)
Tuesday, May 15, 2012 at 7:25pm

Science
1. An electric space heater draws 15.0 A from a 120 V source. It is operated, on average, for 5.0h (hours) each day. a) How much power does the heater use and b) At \$.10 per kWh, what does it cost to operate the heater for 30 days? 2. Suppose each person in the United States ...
Tuesday, May 15, 2012 at 7:09pm

ALGEBRA
-x+y=-2 4x-4y=8 WHAT ARE THE SOLUTIONS OF THE FOLLOWING SYSTEM?
Tuesday, May 15, 2012 at 6:25pm

ALGEBRA
USE ELIMINATION TO SOLVE THE SYSTEM OF EQUATIONS {3X-2Y+X=9 X-Y+4Z=10 2X+3Y-Z=53 A)(-6,-13.2,0.7) B)(14.1,-8.6,-3.2) C)(5,0,4) D)(10,12,3)
Tuesday, May 15, 2012 at 6:11pm

ALGEBRA
CLASIFY THE SYSTEM { X-Y+Z=6 { 7X-2Y-2Z=1 { 5X+6Y+3Z=11 A)CONSISTENT. ONE SOLUTION B)INCONSISTENT. INFINITELY MANY SOLUTIONS C)INCONSISTENT. NO SOLUTION D)CONSISTENT. INFINITELY MANY SOLUTION
Tuesday, May 15, 2012 at 6:07pm

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