Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

chemistry
N2(g)+3H2(g)<=>2NH3(g) +▲H if uou are preparing NH3, hiw does the following increase the yield of NH3? (a) ▲[N2] ▲[H2] (b) ▲T of the chamber storing NH3 (c) ▲P of the system (d) ▲[NH3(g)] * <=> equilibrium * ▲ change
Monday, February 18, 2013 at 4:39pm

physics
Equal 0.400-kg mass of lead and tin at 60 degrees celsius are placed in 1kg of water at 20 degrees celsius. a) what is the equilibrium temperature of the system? b)if an alloy is half lead and half tin by mass, what specific heat would you anticipate for the alloy? c) how many...
Sunday, February 17, 2013 at 9:48pm

Chemistry!
The heat lost or gained by a system is related to its temperature change by a property called its heat capacity. The molar heat capacity of metals at or above room temperature equals 24.92 J K-1mol-1. The temperature of a block of copper metal (molar mass 63.55 g mol-1) fell ...
Sunday, February 17, 2013 at 8:33pm

Biology
How is the anaerobic energy system not entirely anaerobic?
Sunday, February 17, 2013 at 7:36pm

Chemistry
At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.100 M and [NO]=0.400 M. N2 (g) + O2 (g) --> 2NO (g) If more NO is added, bringing its concentration to 0.700 M, what will the final concentration of NO be after equilibrium is re-established?
Sunday, February 17, 2013 at 2:49pm

Math for Management
A hospital performs 3 types of operations. The first type takes 30 minutes, and they charge $1000 for it. The second type takes 1 hour, and they charge $1500 for it. The third operation takes 2 hours, and they charge $2000 for it. The hospital can schedule up to 95 total ...
Sunday, February 17, 2013 at 2:11pm

Physics
A two-qubit system was originally in the state 34|00⟩−5√4|01⟩+14|10⟩−14|11⟩, and then we measured the first qubit to be 0. Now, if we measure the second qubit in the standard basis, what is the probability that the outcome ...
Sunday, February 17, 2013 at 1:29pm

english
Please i need help... is this article biased or not biased and why? thank you very much:)i am very confused.. I KNOW WHAT BIASED IS AND NON BIASED.. BUT I JSUT DONT KNOW WHICH ONE THE ARTICLE IS..! OTTAWA — Nearly 15 years after a senior Mountie warned the RCMP it needed ...
Sunday, February 17, 2013 at 11:55am

life orientation
name the three different systems of media ownership that can be found worldwide.name a country where each system can be found.
Sunday, February 17, 2013 at 11:01am

english
Please i need help... is this article biased or not biased and why? thank you very much:)i am very confused.. OTTAWA — Nearly 15 years after a senior Mountie warned the RCMP it needed to tackle pervasive workplace harassment, the national police force must show it takes ...
Sunday, February 17, 2013 at 10:44am

english
Please i need help... is this article biased or not biased and why? thank you very much:) OTTAWA — Nearly 15 years after a senior Mountie warned the RCMP it needed to tackle pervasive workplace harassment, the national police force must show it takes the problem seriously...
Sunday, February 17, 2013 at 1:12am

COLLEGE MATH
What is the PROCUREMENT cost of this system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (A). 800 ...
Saturday, February 16, 2013 at 8:30pm

Physics
A 0.565 kg wood block is firmly attached to a very light horizontal spring (k = 185 N/m) as shown in Fig. 6-40. It is noted that the block-spring system, when compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before stopping and turning back...
Saturday, February 16, 2013 at 6:47pm

Physics
If the first qubit is in the state 13√|0⟩+2√3√|1⟩ and the second qubit is in the state 2√3√|0⟩+13√|1⟩, what is the state of the composite system?
Saturday, February 16, 2013 at 3:33pm

physics
A light spring with spring constant 1 200 N/m is hung from an elevated support. From its lower end hangs a second light spring, which has spring constant 1 800 N/m. An object of mass 1.50 kg is hung at rest from the lower end of the second spring. (a) Find the total extension...
Saturday, February 16, 2013 at 2:53pm

MATH&&HELP
What is the PROCUREMENT cost of this system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (A). 800 ...
Saturday, February 16, 2013 at 11:14am

Physics
Two negative charges each of unit magnitude and a positive charge q are placed along a straight line. At what value of q will the system be in equilibrium? Check whether it is stable, unstable or neutral equilibrium.
Saturday, February 16, 2013 at 6:06am

Physics
You testify as an "expert witness" in a case involving an accident in which car A slid into the rear of car B, which was stopped at a red light along a road headed down a hill. You find that the slope of the hill is theta= 12.0°, that the cars were separated by ...
Friday, February 15, 2013 at 10:19pm

University of Phoenix
Class, this week your individual assignment is to write a paper on Technology and Communication. Your essay should be between 1,050- to 1,750-words and should explain how technology has affected the communication capabilities of specialized databases in the criminal justice ...
Friday, February 15, 2013 at 7:59pm

College Math
What is the PROCUREMENT cost of the below system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (a) 800 ...
Friday, February 15, 2013 at 3:59pm

math
What is the PROCUREMENT cost of this system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (A). 800 ...
Friday, February 15, 2013 at 2:57pm

MATH
WHAT IS THE BELOW PROGRAM ACQUISTION COST OF THE SYSTEM?( COST TYPES COST (IN MILLIONS OF DOLLARS) RESEARCH, DEVELOPMENT 400 MILLION PROCUREMENT EQUIPMENT 800 PROCUREMENT SUPPORT 100 PROCUREMENT PARTS 100 OPERATIONS & SUPPORT $70,000 disposal $100 my answers $1,5000 million $1...
Friday, February 15, 2013 at 2:29pm

physicis
a 0.30 kg mass attached to a spring is pulled back horizontally across a table so that the potential energy of the system is increased from zero to 120 J. Ignoring friction what is the kinetic energy of the system after the mass is released and has moved to a point where the ...
Friday, February 15, 2013 at 2:26pm

programming
3. Your company needs to depreciate its assets. The accountant wants to record the purchase price, the useful life, and the estimated salvage value. Your program should be able to depreciate by the straight-line method. For example, a computer system was purchased for $25,000...
Friday, February 15, 2013 at 2:06pm

physics
The two masses on either side of the pulley, 2.2 kg and 3.6 kg, are each initially 1.8 m above the ground, and the massless frictionless pulley is 4.8m above the ground.What maximum height does the lighter object reach after the system is released? [Hint: First determine the ...
Thursday, February 14, 2013 at 10:07pm

Physics 212
Three equal point charges, each with charge 1.50\mu C , are placed at the vertices of an equilateral triangle whose sides are of length 0.300m . What is the electric potential energy U of the system? (Take as zero the potential energy of the three charges when they are ...
Thursday, February 14, 2013 at 7:49pm

math
solve the system by the elimination method: 3x-2y=2 2x+4y=-5
Thursday, February 14, 2013 at 5:51pm

math
solve the system by the elimination method: 3x-2y=2 2x+4y=-5
Thursday, February 14, 2013 at 5:42pm

math
solve the system by the elimination method: 4x=5y+24 5x=4y+21
Thursday, February 14, 2013 at 4:36pm

science
Describe the events that take place in the movement of fluid in the capillary beds. What forces are involved in the movement of fluid out of the capillaries and back in again? Where in the capillary does movement take place? What is the role of the lymphatic system in the ...
Thursday, February 14, 2013 at 3:57pm

pre algerbra
Please solve the system with the elimination method. Explain each step as it is performed. 5y = x 2x - 3y = 7
Wednesday, February 13, 2013 at 11:51pm

Physics
7. A formula 1 racecar is capable of very quick starts (with a launch control system, that prevents the wheels from spinning during rapid acceleration)). A 2011 Ferrari (driven by none other than Agent 001) is initially at rest, and undergoes a constant acceleration of 14 m/s^...
Wednesday, February 13, 2013 at 9:43pm

solar system
which planet has enough gravity to hold on to most gases?
Wednesday, February 13, 2013 at 7:08pm

Business Analysis
A firm has the following inventory information for the first quarter: 01/01 Beginning Inventory 50 units @ $5 01/15 Purchases 80 units @ $5.50 02/15 Purchases 60 units @ $5.25 02/15 Purchases 40 units @ $5.75 Sales 170 units @ $10 Total operating expenses $500 What is ending ...
Wednesday, February 13, 2013 at 2:59pm

Physics
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the coordinate system as follows: a 0.8 kg object at the origin, a 2.8 kg object at (0 m,1.7 m), and a 4.4 kg object at (3.8 m,0 m). Find the resultant gravitational ...
Tuesday, February 12, 2013 at 6:41pm

Chem
Consider 1.40 mol of carbon monoxide and 3.20 mol of chlorine sealed in a 8.00 L container at 476 oC. The equilibrium constant, Kc, is 2.50 (in M-1) for CO(g) + Cl2(g) ↔ COCl2(g) Calculate the equilibrium molar concentration of CO. So I tried this question by finding the...
Tuesday, February 12, 2013 at 5:13pm

Laboratory (math, chemistry)
Most analytic methods are subject to drift. Describe a system which could be used to determine the rate of drift of an analytic method.
Tuesday, February 12, 2013 at 5:08pm

Algebra
Solve the system of inequalities. y<2x+4 -3x - 2y> 6 So I just want y alone. For the second inequality, I added 3x to both sides and got -2y> 3x+6. Then I divided both sides by -2. I got y> -3/2 - 3 Do I have to switch the inequality symbol or something?
Tuesday, February 12, 2013 at 2:58pm

matt/116
Will someone please help me find the answer to this question please. How do you write a system of linear equations in two variables? Explain this in words and by using mathematical notation in an equation.
Tuesday, February 12, 2013 at 12:03pm

Physics
During an action potential, Na^+ ions move into the cell at a rate of about 3x10^-7 mol/m^2*s. How much power must be produced by the "active Na^+ pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 40cm long and 30um ...
Tuesday, February 12, 2013 at 1:29am

chemistry
For a certain reaction at constant pressure, ∆H = -15kJ, and 22 kJ of expansion work is done on the system. What is ∆U for this process? So I know ∆= ∆U + Work flow If work is being done on the system, shouldn't work flow be positive? So I assumed ...
Tuesday, February 12, 2013 at 1:00am

math
How do you write a system of linear equations in two variables? Explain this in words and by using mathematical notation in an equation.
Tuesday, February 12, 2013 at 12:03am

PHYSICS 2 !!!
At its normal operating speed, an electric fan motor draws only 10.9% of the current it draws when it just begins to turn the fan blade. The fan is plugged into a 120.0-V socket. What back emf does the motor generate at its normal operating speed?
Monday, February 11, 2013 at 11:08pm

PHYSICS
At its normal operating speed, an electric fan motor draws only 10.9% of the current it draws when it just begins to turn the fan blade. The fan is plugged into a 120.0-V socket. What back emf does the motor generate at its normal operating speed?
Monday, February 11, 2013 at 10:24pm

science
1. Scientists hypothesize that the sun formed ____. (1 point) less than a billion years ago from a cloud of gas and dust less than a million years ago from a chunk of Jupiter 2. Two of the inner planets are ____. (1 point) Venus and Saturn Mars and Venus Earth and Pluto ...
Monday, February 11, 2013 at 9:32pm

math
Brent has #3.35 in quarters and dimes. He has 23 coins in all. How many quarters and dimes does he have? Write a system of equations to solve
Monday, February 11, 2013 at 6:03pm

math
A water system of 2 in.(inside diameter) pipe, having a length of 1/4 mile, is to be flushed with a volume of water equal to twice that contained in the system. how much water (gallons) must be flushed through the system? (note: one cubic foot=7.481gal.)
Monday, February 11, 2013 at 12:54pm

math
If the digits of a number may be any one of 0 through 9 (except the first digit cannot be zero), and the system of alternating signs of coefficients is used to create a polynomial, what is the least number m of real zeros the polynomial can have? What is the greatest number M ...
Monday, February 11, 2013 at 12:39pm

Precalculus
Suppose daily operating profit, in dollars, for a movie theater is a function of the number of tickets sold with the rule P(x)=8.5x-2,500, for 0≤x≤1,000. a) Explain why the profit function has an inverse b) P(400)=900. Rewrite this equation in terms of P^-1. c) ...
Sunday, February 10, 2013 at 9:43pm

Physics
A positive and a negative charge are separated a distance r. What can we say about the electric potential energy of this two-particle system, according to our normal definitions of potential energy and work? Select the best answer. a. It is positive b. It is negative c. It is ...
Sunday, February 10, 2013 at 8:38pm

finance
Tater and Pepper Corp. reported free cash flows for 2012 of $43.1 million and investment in operating capital of $26.1 million. Tater and Pepper incurred $14.0 million in depreciation expense and paid $29.7 million in taxes on EBIT in 2012. Calculate Tater and Pepper’s ...
Sunday, February 10, 2013 at 6:43pm

physics
As your bus rounds a flat curve at constant speed, a package with mass 0.900 , suspended from the luggage compartment of the bus by a string 46.0 long, is found to hang at rest relative to the bus, with the string making an angle of 27.0with the vertical. In this position, the...
Sunday, February 10, 2013 at 6:37pm

Physics Conservation of Energy
During a rockslide, a 740 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic friction between the rock and the hill surface is 0.18. (a) If the gravitational potential energy U of the rock-Earth system is set to zero at the ...
Sunday, February 10, 2013 at 6:18pm

Chemistry
Consider the following equilibrium: PCl3 (g) + Cl2 (g) yields PCl5 (g) delta H= -92KJ The concentration of PCl3 at equilibrium may be increased by: decreasing the temp (think this is it) adding Cl2 to the system the addition of neon the additio of PCl4
Sunday, February 10, 2013 at 12:20pm

Physics please help
During an action potential, Na^+ ions move into the cell at a rate of about 3x10^-7 mol/m^2*s. How much power must be produced by the "active Na^+ pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 40cm long and 30um ...
Sunday, February 10, 2013 at 1:37am

bio(updated) Devron
Please help me with these questions. I have taken out some of the questions that i was a 100% sure of. I just need you to check for me the ones i'm not too postive about. I would really appreaciate the help! Thank you in advance. 1. The phenomenon of autocatalysis is ...
Saturday, February 9, 2013 at 11:51pm

bio (homeostasis)check
Please Check this for me. 1. Which process involves both passive and active transport? a.)facilitated diffusion<---- b.)cotransport c.)bulk transport d.)transport through electrogenic pumps e.)osmosis 2. How does the liver in a healthy body respond to elevated blood sugar ...
Saturday, February 9, 2013 at 10:17pm

biology (confused)
Hi Will someone please check my answers. I went to biology-forums(dot)com and registered but i really don't know how to post my questions and i really need help (with the questions). Thanks in advance. 1. Which process involves both passive and active transport? a.)...
Saturday, February 9, 2013 at 9:10pm

human resources
Hi, What is the most critical factor in setting up a goal based performance appraisal system? A. Choosing the most crical incidents on which to base goals B. Emphasizing short term over long term goals C. Giving emplyees some freedom in their choice whether or not to reach set...
Saturday, February 9, 2013 at 8:06pm

biology help!!
Please check my answers. I did my best. 1. Which process involves both passive and active transport? a.)facilitated diffusion<---- b.)cotransport c.)bulk transport d.)transport through electrogenic pumps e.)osmosis 2. How does the liver in a healthy body respond to elevated...
Saturday, February 9, 2013 at 7:33pm

biology
Please check my answers. I did my best. 1. Which process involves both passive and active transport? a.)facilitated diffusion<---- b.)cotransport c.)bulk transport d.)transport through electrogenic pumps e.)osmosis 2. How does the liver in a healthy body respond to elevated...
Saturday, February 9, 2013 at 6:20pm

Physics
A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 0.95 s after leaving the dock has a magnitude of 6.7 m. What is the car's speed at the instant it drives off the edge of the dock?
Saturday, February 9, 2013 at 5:24pm

physics
A particle moves along a circular path over a horizontal xy coordinate system, at constant speed. At time t1 = 4.60 s, it is at point (4.30 m, 6.20 m) with velocity (3.30 m/s) and acceleration in the positive x direction. At time t2 = 13.0 s, it has velocity (–3.30 m/s) ...
Friday, February 8, 2013 at 2:38pm

socail studies
how can we say that the democracy is the only best system of good governance for a country.
Friday, February 8, 2013 at 2:21pm

Physics
The condensing pressure is 260psig and the metering device inlet temperature is 100 degrees for R-22 what is the total subcooling in the system?
Friday, February 8, 2013 at 1:50pm

social studies
could you pl let me know the distinction between galaxy and milkyway in solar system
Friday, February 8, 2013 at 11:27am

algebra
Katie says that if the coefficients of each variable are identical, then she does not need to solve the system since it will always have infinite solutions. Is she correct?
Friday, February 8, 2013 at 5:54am

History
Which of the following examples would be necessary for a country with a mercantilistic economy. The printing and usage of a international currency for all countries The devaluing of a national currency to inflate prices and create an artificial demand for goods The expansion ...
Thursday, February 7, 2013 at 4:39pm

World History to 1500
My history professor has asked that we present 3 possible research paper topics to her based on mythology or a belief system that may influence present time. I am having trouble with this. I have lots of ideas. .reincarnation, karma, paganism..even aromatherapy but turning the...
Thursday, February 7, 2013 at 1:00pm

physics
A mass, m1 = 5.5 kg, is in equilibrium while connected to a light spring of constant k = 132 N/m that is fastened to a wall (see a). A second mass, m2 = 10.9 kg, is slowly pushed up against mass m1, compressing the spring by the amount Ai = 0.17 m (see b). The system is then ...
Wednesday, February 6, 2013 at 11:13pm

Science
trying to lift an 8-N load that is attached to a fixed 2 pulley system. Hands move a distance of 1.6m while the load moves 0.8m, what is the force required to lift the load? I am thinking the the answer is 1.6 divided by 0.8 am i on the right track? what is the formula for ...
Wednesday, February 6, 2013 at 7:38pm

7th grade health please help Ms. Sue!
1. Which substance found in tobacco is a drug that speeds up the heartbeat? (1 point) Tar Carbon monoxide Nicotine Emphysema 2. Which substance found in tobacco causes emphysema, a disease of the lungs? (1 point) Tar Carbon monoxide Nicotine Secondhand smoke 3. Which substance...
Wednesday, February 6, 2013 at 6:37pm

English; Help/Check.
Check, Please? Select the one that is a Not a sentence fragment. A. Asking the interviewer how often he would have to work on weekends. B. To apply for a job at the new store in the mall. C. Shaking his new boss's hand, Tony knew he would like working there. Answer: C ...
Wednesday, February 6, 2013 at 4:42pm

Chemistry
The heat lost or gained by a system is related to its temperature change by a property called its heat capacity. The molar heat capacity of metals at or above room temperature equals 24.92 J K-1mol-1. The temperature of a block of copper metal (molar mass 63.55 g mol-1) fell ...
Wednesday, February 6, 2013 at 12:40pm

PHYSICS1
A particle moves along a circular path over a horizontal xy coordinate system, at constant speed. At time t1 = 4.90 s, it is at point (5.30 m, 5.30 m) with velocity (2.20 m/s) and acceleration in the positive x direction. At time t2 = 14.0 s, it has velocity (–2.20 m/s) ...
Tuesday, February 5, 2013 at 11:03pm

Chemistry
4.00 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant. A(s) <-------> B(g)+C(g) Then, the container volume was doubled and ...
Tuesday, February 5, 2013 at 10:56pm

Programming
Hello All i am new in dynamics Ax when i am going to connect the C# with Dynamics Ax using logon method i am getting the following error when connecting with DynAX from the it's own server so it connects but when i want to connect it from client computer where i use ...
Tuesday, February 5, 2013 at 3:10am

Finance
Orbital Communications has operating plants in over 100 countries. It also keeps funds for transaction purposes in many foreign countries. Assume that in 2010 it held 100,000 kroner in Norway worth $35,000. The funds drew 12 percent interest, and the krone increased 6 percent ...
Monday, February 4, 2013 at 2:45pm

Computer science
3.We often come across the terminology like 6b-bit processor, 64-bit operating system and 64-bit system bus. Do you understand those terminologies? What exactly those numbers represent? Please find out the exact meaning of three terminologies above (give example for each of ...
Sunday, February 3, 2013 at 10:17pm

Physics ~please help me!
1.) A car (m=1200 kg) moves form 2.0 m/s to 15.0 m/s in 100 m. a) What is the initial kinetic energy of the car? b) What is the final kinetic energy of the car? c) what is the net work applied to the car? d) what force is applied to the car? 2.) A simple pendelum is 1.5 m long...
Sunday, February 3, 2013 at 4:30pm

PLEASE CHECK THESE ANSWERS AMERICAN GOV
1. The nerve center of the American Presidency is (C) the President’s Cabinet. the Executive Office of the President. the Congressional houses. the Civil Service. 2. Presidential elections include all of the following except (D) participatory caucuses. primary elections. ...
Sunday, February 3, 2013 at 3:01pm

History
The advantage of the Phoenician system of writing over the Chinese, Sumerian, and Egyptian was that it (a) used fewer sounds (b) used fewer pictures (c) used fewer symbols (d) none of the above
Saturday, February 2, 2013 at 1:18pm

algebra 2
to solve the system of equations which expression could be substituted for x into the first equation? first: 2x+7y=10 second: x-2y=15
Saturday, February 2, 2013 at 9:15am

System Analyst and Design
Terrier News Situation: Terrier News is a monthly newsletter devoted to various breeds of terriers and topics of interest to terrier owners and breeders. Annie West, the editor and publisher, asked you to help her design a system to enter and manage the hundreds of classified ...
Saturday, February 2, 2013 at 8:41am

System Analyst and Design
Sky-High Internet Services Situation: Sky-High Internet Services is a leading Internet service provider in a metropolitan area. The new customer billing system has caused an increase in complaints. Tammy Jones, the office manager, asked you to investigate the situation. After...
Saturday, February 2, 2013 at 8:40am

science
Sky-High Internet Services Situation: Sky-High Internet Services is a leading Internet service provider in a metropolitan area. The new customer billing system has caused an increase in complaints. Tammy Jones, the office manager, asked you to investigate the situation. After ...
Saturday, February 2, 2013 at 8:38am

PHYSICS
A block with mass m1 = 9.0 kg is on an incline with an angle θ = 32.0° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.28 and μs = 0.308. To keep the mass...
Saturday, February 2, 2013 at 4:10am

Chemistry
In the situation that a solute dissolves in a solvent, the solute molecules often dissociate and associate. Studying for exam, not sure how to explain HOW dissociation and association affects the molar mass of the solute in this system. (What is dissociation and association?)
Saturday, February 2, 2013 at 1:01am

algebra
Please help. Solve the given system of equation. 3x -Y =-7
Friday, February 1, 2013 at 7:32am

algebra
PLEASE help with the below. Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
Friday, February 1, 2013 at 7:26am

sociology cultural
Compare and contrast the kinship and marriage system of the Kaluli and the Minangkabau.
Friday, February 1, 2013 at 3:29am

college chem
A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus T. What is the slope of the line that results if the volume is 1.0L when 1.0 mol of ...
Friday, February 1, 2013 at 12:09am

Urgent need help on chem please someone
A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus T. What is the slope of the line that results if the volume is 1.0L when 1.0 mol of ...
Thursday, January 31, 2013 at 9:32pm

Business English
You are a technical writer in a large company, working on a training manual to help new users learn the companys computer system. Employees will use your manual in training seninars taught by your company's trainers. The manual will also serve as an on the job reference ...
Thursday, January 31, 2013 at 9:31pm

Chemistry
I am trying to study for my chem test but I don't get how to answe this question A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus ...
Thursday, January 31, 2013 at 9:22pm

Chem
A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus T. What is the slope of the line that results if the volume is 1.0L when 1.0 mol of ...
Thursday, January 31, 2013 at 9:08pm

math
Identify the solution(s) of the system of equations, if any. x=1 y=1 I think it is C but not 100% sure.... just seems to easy a) no solutions b) (0,0) c) (1,1) d) infinitely many solutions
Thursday, January 31, 2013 at 6:09pm

algebra
PLEASE help. Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
Thursday, January 31, 2013 at 5:27pm

algebra
Please help. Solve the given system of equation. 3x -Y =-7
Thursday, January 31, 2013 at 5:21pm

math
Identify the solution(s) of the system of equations, if any. 3x + 2y = 4 5x - 4y = 3 a) (1, 0.5) b) (0, 5.1) c) (5,5.5) d) (5/11, -2/11)
Thursday, January 31, 2013 at 5:10pm

MATH
Identify the solution(s) of the system of equations, if any. a) (1, 0.5) b) (0, 5.1) c) (5,5.5) d) (5/11, -2/11)
Thursday, January 31, 2013 at 2:35pm

MATH
Identify the solution(s) of the system of equations, if any. x=1 y=1 a) no solutions b) (0,0) c) (1,1) d) infinitely many solutions
Thursday, January 31, 2013 at 2:34pm

MATH
Identify the solution(s) of the system of equations, if any. 3x-2y=6 5x=5-25y a) (28/13, 3/13) b) (-3/17, 32/17) c) (32/17, -3/17) d) (32/9, 7/3)
Thursday, January 31, 2013 at 2:30pm

business
Late payment of medical claims can add to the cost of health care. An article (M. Freudenheim, “The Check Is Not in the Mail,” The New York Times, May 25, 2006, pp. C1, C6) reported that for one insurance company, 85.1% of the claims were paid in full when first ...
Thursday, January 31, 2013 at 1:59pm

Physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +0.8 m/s and ax = +0.9 m/s2. The y components of the puck's initial velocity and acceleration are ...
Thursday, January 31, 2013 at 1:46pm

algebra
Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
Thursday, January 31, 2013 at 10:59am

algebra
Solve the system of equations by first writing it in matrix form and then using Gauss-Jordan elimination. x-4y =-5 -2x + 9y = 125
Thursday, January 31, 2013 at 10:59am

algebra
Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 -x+2z = 1
Thursday, January 31, 2013 at 10:52am

algebra
Please help with: Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 -x+2z = 1
Thursday, January 31, 2013 at 10:48am

Visual Basic
what does IntTemp and IntRem mean? and whats wrong with my code, i dont know whats wrong with it... Code below: Dim intNum As Integer 'the numderator is read as a whole number. Dim intDenom As Integer 'the denominator is read as a whole number. Dim inttemp As Integer ...
Thursday, January 31, 2013 at 9:38am

Math -- Please Help
Solve the system xy = 1, x + y =a by using the identity (x - y/2)^2 = (x + y/2)^2 - xy
Thursday, January 31, 2013 at 2:05am

Algebra
Suppose a linear system of equations has 2012 equations and 2013 unknowns. Answer the following questions: Can the system be inconsistent? Can the system have a unique solution? Can the system have infinitely many solutions?
Thursday, January 31, 2013 at 12:32am

math
Identify the solution(s) of the system of equations, if any. 3x-2y=6 5x=5-25y a) (28/13, 3/13) b) (-3/17, 32/17) c) (32/17, -3/17) d) (32/9, 7/3)
Wednesday, January 30, 2013 at 11:22pm

math
Identify the solution(s) of the system of equations, if any. 2x+y=1 x-y=3 a) (3/4, -1/2) b) (-2, 10) c) (4/3, -5/3) d) (4, -7)
Wednesday, January 30, 2013 at 11:21pm

math
Identify the solution(s) of the system of equations, if any. x=1 y=1 a) no solutions b) (0,0) c) (1,1) d) infinitely many solutions
Wednesday, January 30, 2013 at 11:20pm

math
Identify the solution(s) of the system of equations, if any. a) (1, 0.5) b) (0, 5.1) c) (5,5.5) d) (5/11, -2/11)
Wednesday, January 30, 2013 at 11:19pm

algebra
An office supply store sells pens for $3 and notebooks for $5. Before school started, the store sold 12 more pens than notebooks and made $324. Which system of equations could be used to find the number of pens, p, and notebook, n that the store sold that day?
Wednesday, January 30, 2013 at 9:24pm

Algebra
2x+y=-5 3x-y=-10 solve system using elimination
Wednesday, January 30, 2013 at 7:35pm

Algebra
X-2y=-1 2x+y=4 solve each system using elimination. Tell whether the system has one solution, many solutions, or no solution.
Wednesday, January 30, 2013 at 7:09pm

ap chemistry
The system CO2(g) + H2(g) *) H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00 mole CO2, 1.00 mole H2, 2.40 moles H2O, and 2.40 moles CO. How many moles of CO2 must be added to the system to bring the equilibrium CO ...
Wednesday, January 30, 2013 at 6:32pm

Physics ~Conservation of Energy~ part 2
1.) A 500 kg roller coaster is pulled to the top of a hill 45 m high and arrives at the top with a zero speed. a) how much work has done by the vhain to pull the car to the top? b) how much potential energy does it have at the top? c)What is the total energy of the system? d) ...
Wednesday, January 30, 2013 at 6:12pm

Physics ~Conservation of Energy~
1.) At one point in its fall, an object (m=2.5 kg.) has a kinetic energy of 5 J(joule) and a potential energy of 10 J. a) what is the total energy of the system? b) what is the velocity at this point? The object continues to another point where its potential energy is 3J(joule...
Wednesday, January 30, 2013 at 5:57pm

algebra
A photo studio offers portraits in 8x10 and wallet-sized formats. One customer bought two 8x10 portraits and four wallet-sized portraits and paid $52. Another customer bought three 8x10 portraits and two wallet sized portraits and paid $50. What is the cost of a wallet-sized ...
Wednesday, January 30, 2013 at 4:27pm

Math
Sustem of equations. I have to solve the system of equations by graphing and solving. Ther are thirty-three students in the Chess Club. There are five more boys than girls in the club. Write and solve a system of equations to find the number of boys and girls in the chess club.
Tuesday, January 29, 2013 at 9:13pm

HELP
what is a form of energy resulting from the temperature difference between a system did it surround
Tuesday, January 29, 2013 at 4:19pm

Algebra 1- Math
use substitution to solve the system 2x-y=-4 -3x+y=-9
Tuesday, January 29, 2013 at 3:59pm

chemstry
the hiv virus that causes aids destroys the immune system in the body. classify the hiv virus and explain the statement
Tuesday, January 29, 2013 at 9:55am

Human Resources
Discuss the pros and cons of pay for performance systems and if you agree or disagree with the system and why. Give examples of organizations or professions that employ this type of pay system.
Monday, January 28, 2013 at 8:43pm

Algebra
When is the substitution method a better method than graphing for solving a system of linear equations?
Monday, January 28, 2013 at 3:38pm

Science; Solar System
True or False 5. The outer planets are small, rocky planets with iron cores. true false 6. It is unlikely that the sun formed alone. It probably formed with a cluster of stars like the sun. true false
Monday, January 28, 2013 at 12:02pm

chemistry urgent urgent
... the hiv virus that causes aids destroys the immune system in the body. classify the hiv virus and explain the statement.
Monday, January 28, 2013 at 10:51am

phy
1 What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth gR2(R+h)2 gR(R+h) Rg(R−h) R2g(R−h)2 2 The instrument used for experimental determination of the value of the universal gravitational constant G is ...
Monday, January 28, 2013 at 3:34am

Accounting
Hello, I’m having a difficult time understanding how to adjust the following unadjusted accounts: A/R ……………… 3;………………..480,000 Accum. Depr, building………116,000 Accum. Depr, ...
Sunday, January 27, 2013 at 7:30pm

math
Consider the following system of equations. Y = 3x – 7 Y - 3x = 5 a) The system of equations is inconsistent. b) The system of equations is dependent. c) The system of equations is independent. d) none of these
Sunday, January 27, 2013 at 4:40pm

math
Identify the solution(s) of the system of equations, if any. -2x-4y=1 12y=-6x-3 a) no solution b) (0,-1) c) (-1,0) d) infinitely many solutions
Sunday, January 27, 2013 at 4:40pm

math
Identify the solution(s) of the system of equations, if any. X + 2y = 4 9x – 4y = 3 a) (1, 2/3) b) (1, 3/2) c) (2/3, 1) d) (3/2,1)
Sunday, January 27, 2013 at 4:39pm

math
Identify the solution(s) of the system of equations, if any. 2x + 5y =10 Y = 2 – x a) (-2,0) b) (2,0) c) (0,-2) d) (0,2)
Sunday, January 27, 2013 at 4:38pm

math
Identify the solution(s) of the system of equations, if any. -3x -4y = 2 8y = -6x – 4 a) infinitely many solutions b) (-16/9, 5/6) c) (-2/3, 0) d) no solution
Sunday, January 27, 2013 at 4:37pm

algebra 1
at a certain high school,350 students are taking algebra. the ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys? - How can you write a system of equations to model the situation? - Which equation will you solve for a variable in ...
Sunday, January 27, 2013 at 3:24pm

NATIONAL Goverment
SOMEONE PLEASE HELP!!!! PLEASE HELP ME!!! A federal system differs from a unitary system in that: ANSWER: (A) power is concentrated in one central government. sub-governments delegate power to the central authority . power is distributed between the central government and ...
Sunday, January 27, 2013 at 3:15pm

Chemistry
My Chem professor is out for the weekend and I'm confused about what the question is asking or the equations needed... A 10.0-g block of pure nickel (Cp = 0.445 J/g-°C) is brought to each of the temperatures below. A sealed beaker containing 15.0 g water at the ...
Saturday, January 26, 2013 at 3:27pm

Science 8th grade
There are two clouds of material: one with widely spaced objects with small masses and one with closely packed objects with larger masses. What is more likely to form a solar system, the first or second? Use gravity to explain your answer.
Friday, January 25, 2013 at 6:17pm

operating system
How would you write a formula to multiply the number in a cell z675 times the number in cell a 1
Friday, January 25, 2013 at 5:40pm

science
what is the problem with not using the metric system
Friday, January 25, 2013 at 5:05pm

phy
A 0.5kg piece of metal (c = 600/kgK) at 300 degree celcius is dumped into a large pool of water at 20 degrees celcius. Assuming the change in temperature of water to be negligible, calculate the overall change in entropy for the system
Thursday, January 24, 2013 at 10:14pm

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