Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

case management
what are some similarities and differnces of case management in the community setting and in the managed care environment. As i see it, Case management has become a critical element in a community focused mental health system. Case management in the community is based on ...
Sunday, January 8, 2012 at 3:43pm

Math
Solve the linear system by using elimination. 9x-4y=26 18x+7y=22
Saturday, January 7, 2012 at 2:10pm

business
For this question, use the information for Sports Baseballs, Inc. Sports Baseballs, Inc. is a corporation that manufacturers and sells baseballs across several states in the Southeast. It had sales of $2.7 million during the last year. Expenses were as follows: Cost of goods ...
Saturday, January 7, 2012 at 11:41am

Physics
A 1000 kg car is moving at a constant speed of 7 m/s when it hits the back bumper of another car with 1200 kg of mass moving in the same direction at a constant speed of 6 m/s. As a result of the collision both bumpers get coupled. Show all work and calculations. 1. What is ...
Friday, January 6, 2012 at 9:30pm

Physics
A 500 g glass beaker is in thermal equilibrium with 100 ml of 20 Degrees celsius water in it. If a 5 g sample of copper is placed into the water and the system is allowed to come into thermal equilibrium, what will the final temperature of the system be? (assuming no heat loss...
Thursday, January 5, 2012 at 8:16pm

Math
Solve the linear system by using elimination. 6x+y=39 -2x+y=-17
Thursday, January 5, 2012 at 7:27pm

SOCIAL STUDIES
what is the dewey decimal system?
Thursday, January 5, 2012 at 4:48pm

statistics
a computer system requires all users to log on using a 6 character password. if each character can be either a digit from 0 to 9 or a letter of the alphabet, what is the number of possible passwords. please show formula used
Wednesday, January 4, 2012 at 11:32pm

Math
I SERIOUSLY need help! Solve the linear system by using substitution. x=6-4y 2x-3y=1 Explanation too, please! Please and thanks!
Wednesday, January 4, 2012 at 10:31pm

math
Please explain in detail how to solve each question: At a certain high school, 350 students are taking an algebra course. 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 ...
Wednesday, January 4, 2012 at 5:56pm

physics
One end of a metal rod is in contact with a thermal reservoir at 731 K, and the other end is in contact with a thermal reservoir at 107 K. The rod and reservoirs make up a closed system. If 6450 J are conducted from one end of the rod to the other uniformly (no change in ...
Wednesday, January 4, 2012 at 5:24pm

Thermodynamics
Determine the units of viscosity,m, in the following equation: t=m(du/dy), where t is a shear stress, u a velocity, and y is a distance in (a) the Engineering English system, and (b) the SI system.
Wednesday, January 4, 2012 at 3:56pm

maths
A company hires skilled employees, each working under contract to 35h and paid € 550 a week, others working under contract B 20h and paid € 220 per week. 1. These employees will have to make a total of 370h of work per week and the entrepreneur has a Bugdet weekly &#...
Wednesday, January 4, 2012 at 1:04pm

physics
A Carnot refrigerator is operating between thermal reservoirs with temperatures of 27.9°C and 0.0°C. a) How much work will need to be input to extract 13.7 J of heat from the colder reservoir? b) How much work will be needed if the colder reservoir is at -15.7°C?
Wednesday, January 4, 2012 at 7:56am

College Algebra
Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic or do it by synthetic division. Solve that ...
Tuesday, January 3, 2012 at 8:11pm

Physics
A deorbit burn has been performed. During this deorbit burn a pre-calculated Delta V (change in velocity) of 290 ft/s (or 88.4 m/s) will be used to decrease the Shuttle’s altitude from 205 miles to 60 miles at perigee. The Shuttle’s Orbital Maneuvering System (OMS) ...
Tuesday, January 3, 2012 at 6:17pm

College Algebra
Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0
Monday, January 2, 2012 at 11:42pm

Geometry
A city has a scale model of the solar system nearly 6 km long. The model's scale is 1 km : 1 billion km. a. Earth is 150,000,000 km from the Sun. How many meters apart are Earth and the Sun in the model?
Friday, December 30, 2011 at 11:24pm

postal service/mail delivery
Given that today is Thurs., Dec. 29th, 2011, will any parts of the postal system be running or not in the next few days? Does the federal government observe New Year's weekend as a holiday? Do they have people sorting the mail, delivering the mail, neither, or both?
Thursday, December 29, 2011 at 9:56pm

Government
The structure of the lower federal court system is established by. A. congress B.the constitution. C.the Supreme court. I think c
Thursday, December 29, 2011 at 7:43pm

Government
The lowest level of the federal court system is. A.District court. B.circuit court of appeal. C.justice of the peace. I say A
Thursday, December 29, 2011 at 7:38pm

math
How many solutions does the system have? y - 5x = -6 3y - 15x = -12 A) infinitely many solutions B) no solution C) two solutions D) one solution
Thursday, December 29, 2011 at 6:19pm

math
Please show me how to solve: Sharon has some one-dollar bills and some five-dollar bills. She has 14 bills. The value of the bills is $30. Solve a system of equations using elimination to find how many of each kind of bill she has.
Thursday, December 29, 2011 at 6:12pm

math
A local citizen wants to fence a rectangular community garden. The length of the garden should be at least 110 ft, and the distance around should be no more than 380 ft. Write a system of inequalities that models the possible dimensions of the garden. Graph the system to show ...
Thursday, December 29, 2011 at 1:40pm

Math
Please explain in detail how to solve the following problem using elimination: It takes a florist 3 h 15 min to make 3 small centerpieces and 3 large centerpieces. It takes 6h 20 min to make 4 small centerpieces and 7 large center pieces. How long does it take to make each ...
Thursday, December 29, 2011 at 10:08am

Physics
The De-orbit Burn The Shuttle must reduce its velocity at a pre-calculated point in its orbit in order to return to Earth. In order to reduce the velocity and change the orbit of the Shuttle, a maneuver called the de-orbit burn is performed. For this maneuver, the Shuttle is ...
Wednesday, December 28, 2011 at 10:59pm

math
Please show me how to solve using elimination: It takes a florist 3 h 15 min to make 3 small centerpieces and 3 large centerpieces. It takes 5 h 20 min to make 4 small center pieces and 7 large centerpieces. How long does it take to make each small centerpiece and each large ...
Wednesday, December 28, 2011 at 5:30pm

Math
Please explain how to solve this equation with substitution: The owner of a hair salon charges $20 more per haircut than the assistant. Yesterday the assistant gave 12 haircuts. The owner gave 6 haircuts. The total earnings from haircuts were $750. How much does the owner ...
Wednesday, December 28, 2011 at 5:27pm

Finance
3. Determine the operating cash flow (OCF) for Kleczka, Inc., based on the following data. (All values are in thousands of dollars.) During the year the firm had sales of $2,500, cost of goods sold totaled $1,800, operating expenses totaled $300, and depreciation expenses were...
Thursday, December 22, 2011 at 8:30pm

Biology
how do animals that live in different enviroments meet their need for efficent gas exhcange? I was thinking maybe through their respiratory system? Body surface, lungs , gills, any specialized organs ? Or though the environment they live in ?
Wednesday, December 21, 2011 at 11:31pm

Government
The chief goal of the executive leadership system is: A.the shifting of power from congress to the president. B.improved coordination through the presidency of the bureaucracy's programs and agencies. C.the establishment of partisanship as the basis for the administration ...
Wednesday, December 21, 2011 at 12:20pm

Government
When it was developed during the jackson administration,the patronage system was designed to: A.provide jobs to merit appointees. B.increase congressional control of the bureaucracy. C.increase judicial control of the bureaucracy. D.make the administration of government more ...
Wednesday, December 21, 2011 at 11:29am

pre calculus
solve the following equation in the complex number system Please show all your work. 5x^5 + 32x^4 - 5x - 32 = 0
Wednesday, December 21, 2011 at 11:11am

Government
As distinct from the patronage and executive leadership system,the merit system for managing the bureaucracy: A.allows the president to appoint top officials of executive agencies,thus making the bureaucracy more responsive to election outcomes. B.provides for a neutral ...
Wednesday, December 21, 2011 at 10:49am

Univ of Phoenix
Solve the system of equations by graphing. Then classify the system. x+y=9 x-y=3 Use graphing tool to graph the system
Tuesday, December 20, 2011 at 11:37pm

Physics
Saturn’s largest moon, Titan, is actually larger than the planet Mercury. It is also one of the few bodies in the solar system that has a dense atmosphere. Data from the Voyager 1 probe indicates that the atmospheric pressure on Titan’s surface is about 1.60 x 105 Pa...
Monday, December 19, 2011 at 2:28pm

physics
A horizontal force of magnitude 33.5 N pushes a block of mass 3.80 kg a distance of 3.00 m across a floor, where the coefficient of kinetic friction is 0.600. (a) How much work is done by that applied force on the block-floor system?
Sunday, December 18, 2011 at 9:09pm

english
the essay needs to be proof read and any suggestions or corrections will be greatly helpful! The Unbiased Killer Caner is known as unbiased killer that knows no race, age or sex of it victims. The disease lung cancer is the Number one cause of cancer deaths for United States ...
Saturday, December 17, 2011 at 11:56am

Physics
I would say it is true that the center of mass of an isolated system moves at a constant velocity, as long as there is a constant force applied to it. Am I correct?
Friday, December 16, 2011 at 11:32am

Government
The primary eletion as a means of choosing the states' delegates to the national conventions where the presidential nominee is formally seleted: A.was introduced during the jacksonian era. B.is used in Europe as well as in the United States: C.has been adopted more widely ...
Friday, December 16, 2011 at 10:09am

CHEMISTRY
A 47.5g sample of metal is heated to 300.0ºC and placed in a calorimeter containing 75.0g water at 22.0ºC. The final temperature of the system is 40.0ºC. What is the specific heat of the metal? (the specific heat of water is 4.18 J/g ºC) Thanks for your ...
Friday, December 16, 2011 at 9:02am

physics
A light spring of constant k = 156 N/m rests vertically on the bottom of a large beaker of water (Fig. P9.34a). A 4.10 kg block of wood (density = 650 kg/m3) is connected to the spring and the block-spring system is allowed to come to static equilibrium (Fig. P9.34b). What is...
Thursday, December 15, 2011 at 6:04pm

Electric Power Tools
I need help with my test, I don't know if they are all right or not. I answered the questions to the best of my ability. My answers are marked with an *. 1. What is the typical no-load speed of a high-speed drill? A. 1,000 rpm *B. 2,500 rpm C. 3,000 rpm D. 3,500 rpm 2. Why...
Thursday, December 15, 2011 at 5:38pm

Government
Most members of congress are: A. concerned with national issues,but even more concerned with local ones. B. controlled by special-interest groups. C. interested only in the work of the subcommittee on which they serve. D. opposed to the seniority system.
Thursday, December 15, 2011 at 4:21pm

Physics
Calculate the position of the center of mass of the following pairs of objects. Use a coordinate system where the origin is at the center of the more massive object. Give your answer not in meters but as a fraction of the radius as requested. Get data from inside the front ...
Thursday, December 15, 2011 at 3:53pm

Algebra
-your school club decides to hold a fundraiser by selling trail mix, and you are in chrage of making the mix. You plan to offer two mixes, Country Blend and Premium Mix, each sold in one pound bags. Each pound of Country Blend consists of 1/2 pound of toasted oats, 1/4 pound ...
Thursday, December 15, 2011 at 6:11am

Anthropology
If a friend were to say, “ He’s the president of the college” the term “president” would refer to an: a)status b)role c)social situation d)social relationship e)social interaction a group ranked in a system of social stratification into which member ...
Thursday, December 15, 2011 at 1:39am

College Algebra
using the knowledge of systems of equations, and that the equation of a circle is (x-h)^2 + (y-k)^2 = r^2, where (h,k) is the center and r is the radius. Find the equation of a circle that contains the following points: (6,2), (4,6), and (-3,5). (These 3 points each create an ...
Thursday, December 15, 2011 at 12:27am

Chemistry
What is the name of the compound PBr5 using the Stock system?
Wednesday, December 14, 2011 at 9:09pm

Medical Billing
I have tried to read and understand this question, however I just had eye surgery,and to be honest, I just can not see to read the code book.~~~ OPERATIVE REPORT PREOPERATIVE DIAGNOSIS: Morbid obesity. POSTOPERATIVE DIAGNOSIS: Same. PROCEDURES: 1. Laparoscopic Roux...
Wednesday, December 14, 2011 at 1:03am

algebra
Brandon starts running from the starting line of a track at a speed of 10 ft. per second. 60 seconds later david starts from the same point and runs in the same direction at a speed of 12 per second Let y represent brandons time and let x represent davids time. Write a system ...
Monday, December 12, 2011 at 10:09pm

world geography
in a traditional economic system which type of good is most often produced?
Monday, December 12, 2011 at 8:03pm

Science 7R
What organ system is the kidney tube? I need help. Please Thank You!!! :) PS: For homework I just have to complete this chart checking which organ is in what organ system. There are 22 questions, I did some in class and some right now.
Monday, December 12, 2011 at 6:05pm

ar ALABAT ACDEMY GOVERNMENT subject
How does the legislature check the power of Executive organ of government in a persidential system
Sunday, December 11, 2011 at 3:45am

trig
The manufacturer of a propeller for a small aircraft mandates a maximum operating angular velocity of 300 rad/s. Determine whether it is safe to install this propeller whose aircraft whose engine is expected to run at a maximum of 2800 rpm
Saturday, December 10, 2011 at 8:09pm

business
Truthfully, the only difference between you and garage floor coatings experts is time. If you'll invest a little more time in reading, you'll be that much nearer to expert status when it comes to garage floor coatings. The coating process is specifically designed to ...
Saturday, December 10, 2011 at 5:03am

accounting
RC Corp. uses a job order cost accounting system. During the month of April, the following events occurred: (a) Purchased raw materials on credit, $32,000. (b) Raw materials requisitioned: $25,800 as direct materials and $10,500 indirect materials. (c) Paid factory payroll for...
Saturday, December 10, 2011 at 3:18am

accounting
Plumley Ad Agency contracted with a company to prepare an ad campaign. Plumley uses a job order costing system. Plumley estimates that the job will take 145 designer hours at $90 per hour and 85 staff hours at $45 per hour. Plumley uses two overhead rates in applying overhead ...
Saturday, December 10, 2011 at 3:16am

Power Tools
Hello, I'm not sure if my answers are correct. Can someone review my work to make sure its right. My answers are marked with an *. 1. What is the typical no-load speed of a high-speed drill? A. 1,000 rpm *B. 2,500 rpm C. 3,000 rpm D. 3,500 rpm 2. Why should you be ...
Friday, December 9, 2011 at 7:01pm

algebra
solve the following in the real number system x^3 + 8x^2 + 10x - 15 = 0 Please help me!
Friday, December 9, 2011 at 4:36pm

South America
1. Under America's second party system, the Whigs stood for A. policies that kept government hands off business and industry. B. policies that directly supported commercial enterprises. C. a "negative liberal state." D. a "liberally negligent" state.
Friday, December 9, 2011 at 12:30pm

biology
Relationship between free energy change and metabolism in biological system
Friday, December 9, 2011 at 2:48am

chemical kinetics
at 100C the gaseous reaction A==2B+C is observed to be first order.on starting with pure A it is found that at the end of 10min,the total pressure of the system is 176mmHg,and after a long time the total pressure of the system is 270mmHg.a).determine the initial pressure of A...
Friday, December 9, 2011 at 1:29am

Physics
A dynamics cart m1 attached to has a hanging mass m2 m1 = 0.20 kg, and m2 = 1.3 kg. The magnitude of the acceleration of this system will be what approximately?
Thursday, December 8, 2011 at 7:57pm

Physics
A 2.90 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to one-third the original speed of the 2.90 mud ball. What is the mass of the second mud ball?
Thursday, December 8, 2011 at 7:16pm

Science 7R (help!!!!)
I have this worksheet for science tonight for homework and I really need help. The title of it is How Living Things Are Organzied. 1. A smallest unit of stucture and function in a living thing is called a(n) ________________________________________...
Thursday, December 8, 2011 at 6:39pm

physics
In the system shown in the figure, suppose the block has a mass of 3.3 , the spring has a force constant of 490 , and the coefficient of kinetic friction between the block and the floor is 0.13. Find the work done on the block by the spring and by friction as the block is ...
Thursday, December 8, 2011 at 6:36pm

college alegebra
solve the following equation in the real number system 3x^3 - 20x^2 + 29x +12 = 0 Ok I thought I knew how to do this but I guess I don't. Help me! Please!
Thursday, December 8, 2011 at 4:51pm

Finance mangement
What type of cost measurements best fit in health care and which do not? How do cost measurement techniques vary with regard to the operating budget, capital budget, and variance analysis?
Thursday, December 8, 2011 at 12:05pm

need help please
solve each system graphically. be sure to check your solution. if a system has an infinite number of solutions, use the set-builder notation to write solution set. if a system has no solution, state this. where appropriate, round to the nearest hundredth. 6x-2y=2 9x-3y=1
Wednesday, December 7, 2011 at 10:09pm

i need help on graphing
solve each system by graphing 2x-y=4 5x-y=13
Wednesday, December 7, 2011 at 10:06pm

Science 7R (another qs.)
Give an exmaple of an organ system in an animal and name the parts that make up the organ system? need help!!! plz thank u ps: just need 2-3 sentences to answer this qs.
Wednesday, December 7, 2011 at 5:13pm

Healthcare finance
Milwaukee Surgical Supplies, Inc., sells on terms of 3/10, net 30. Grosee sales for the year are $1,2000,000 and the collections department estimates that 30% of the customers pay on the tenth day and take discounts, 40% pay on the thirtieth days, and remaining 30% pay, on ...
Wednesday, December 7, 2011 at 4:05pm

Algebra Word Problem...please help me
Megalodon Lives Angler went fishing and caught a monster of a fish! The head of the fish was 10 feet long. The length of the tail was equal to the length of the head plus half of the body. The body was as long as the head and the tail together. What was the total length of the...
Wednesday, December 7, 2011 at 3:26pm

Energy
1.Calculate the energy of a photon whose frequency is 2450 megahertz. What is the wavelength of waves transmitted by an AM radio station operating at a frequency of 840 kilohertz? 2.
Tuesday, December 6, 2011 at 9:04pm

math
ok this is in my practice book. there are 33 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, December 6, 2011 at 7:28pm

biology
Aristotle's system of classification, which 2 animals would be grouped together? A, seagulls and lizards B.seals and bats c. snails and butterflies d. whales and fish thanks
Tuesday, December 6, 2011 at 4:11pm

english
Use one of the following topic sentences to write a well-developed paragraph of approximately 150 words. Supply the specific details or examples that support the topic sentence you choose. •Our dog is a nuisance to the neighbors. •Baby-sitting is an easy way to earn ...
Tuesday, December 6, 2011 at 3:25pm

Algebra word problem
Megalodon Lives Angler went fishing and caught a monster of a fish! The head of the fish was 10 feet long. The length of the tail was equal to the length of the head plus half of the body. The body was as long as the head and the tail together. What was the total length of the...
Tuesday, December 6, 2011 at 3:04pm

e commerce or marketing, help pls
hi,good evening everyone can you help me on finding a clothing manufacturer resource system??? pls thank you
Tuesday, December 6, 2011 at 8:17am

physics
a stick of linear density p=2kg/m rests on a disc of radius=1m. the stick makes an angle of 60° with horizontal and is tangent to the disc at its upper end .Friction exists at all points of contact ,and assume that it is large enough to keep the system at rest . Find ...
Tuesday, December 6, 2011 at 12:40am

US Judicial System
A decision or precedent made by which of the following types of court applies to all other courts under its jurisdiction? a. magistrate b. trial c. appellate d. commissioners Trial?
Monday, December 5, 2011 at 2:18pm

Physics
Find the mechanical energy of a block-spring system having a spring constant of 0.93 N/cm and an oscillation amplitude of 4.2 cm.
Monday, December 5, 2011 at 2:14pm

physics
Container with movable piston at top and valve near bottom is filled an ideal gas. Valve is opened and some gas slowly escapes. Valve is then closed and the piston appears to be at a lower position. System is in thermal equilibrium. Is final pressure of container, greater, ...
Monday, December 5, 2011 at 11:09am

Physics
A 0.9 kg object that stretches a spring 2.5 cm from its natural length when hanging at rest oscillates with an amplitude of 8.1 cm. Find the total energy of the system. The acceleration due to gravity is 9.81 m/s2. Answer in units of J
Monday, December 5, 2011 at 9:42am

AP Chemistry
How much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 8.5 liters against a constant external pressure of 0.0100 atm? Answer in units of J.
Sunday, December 4, 2011 at 6:53pm

Physics
A 90 kg person stands on the ground before jumping vertically upward. If momentum is truly conserved in all closed isolated systems, then the Earth-person system should conserve momentum. If the person jumps with a speed of 3.5 m/s, what is resulting speed of the Earth in the ...
Sunday, December 4, 2011 at 6:35pm

Physics
A light spring of constant k = 158 N/m rests vertically on the bottom of a large beaker of water (Fig. P9.34a). A 5.55 kg block of wood (density = 650 kg/m3) is connected to the spring and the mass-spring system is allowed to come to static equilibrium (Fig. P9.34b). What is ...
Sunday, December 4, 2011 at 4:04pm

Texas Government
Which of these was NOT a major factor in the emergence of a two-party system in Texas? a. The Shivercrats b. The civil rights movement c. In-migration d. Failure of the New Deal e. Support among minorities for liberal policies I would say In-migration
Sunday, December 4, 2011 at 10:19am

Government US
6.1 Development of the Two-party System Political scientists and historians usually focus on a few key elements of Texas's legal-institutional framework, political culture, and political history to explain the development of the two-party system in American and Texas ...
Sunday, December 4, 2011 at 9:30am

Mechanics
Two blocks with masses m1 = kg and m2 = kg are connected by a string that hangs over a pulley of mass M = kg and radius R = m as shown above. The string does not slip. Assuming the system starts from rest, use energy principle find the speed of m2 after it has fallen by m. ...
Saturday, December 3, 2011 at 5:05pm

Algebra
Can someone work this out for me? I'm so confused! Solve the system by using substitution. y + 6x = 11 3x + 2y = -5
Friday, December 2, 2011 at 4:28pm

Thermochemistry
If a chalice made of pure gold weighing 1.24 kg and initially at 15 C is filled with 100.0 mL of water at 89 C, what is the final equilibrium temperature of the system? The heat capacities of water and gold are 75.29 and 25.42 J/mol/K, respectively.
Friday, December 2, 2011 at 2:26pm

sociology
From a functionalist perspective, how has human behavior and our way of life contributed to environmental problems? So far I have the premise that functionalist examine the entire system itself. Human activities have become a dominant influence on the earth's climate and ...
Friday, December 2, 2011 at 5:23am

algebra
7. A closed economy is described by the following simple IS-LM system: C = a + b(1 – t)Y – dR I = I G = G L = kY – hR
Friday, December 2, 2011 at 1:00am

physics
A 47 N box is pulled along a frictionless horizontal surface by a 25 N weight hanging from a cord on a frictionless pulley? What is the acceleration of the system (box and the weight)?
Thursday, December 1, 2011 at 9:13pm

US Gov
Using the buddy system, an agency can circumvent the usual OPM search process by: a. asking the president to appoint a specific candidate. b. blanketing in a job candidate. c. duplicating positions. d. issuing a merit dispensation. e. issuing a name request. Im not sure but I ...
Thursday, December 1, 2011 at 8:25pm

physics
A Carnot engine, operating between hot and cold reservoirs whose temperatures are 800.0 and 400.0 K, respectively, performs a certain amount of work W1. The temperature of the cold reservoir is then lowered to 200.0 K (see the drawing), and the work done by the engine is W2. ...
Thursday, December 1, 2011 at 6:03pm

Math
x+3y=1 -5x+4y=-24 Solve the linear system by using elimination
Thursday, December 1, 2011 at 5:36pm

Physics
The vector position of a 3.00 g particle moving in the xy plane varies in time according to the following equation. r1 = <(3i+3j)t + 2jt^2> At the same time, the vector position of a 5.85 g particle varies according to the following equation. r2 = <3i - 2it^2 - 6jt>...
Thursday, December 1, 2011 at 2:19pm

maths
use the inverse method to solve the system of linear equations -x +3y+2=1 2x+5y=3 3x+y-2z=-2
Thursday, December 1, 2011 at 9:26am

math
Part 1 In your own words, define the word “function.” Give your own example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 and +10. The range will be any four integers between -12 and 5.Explain why your example ...
Wednesday, November 30, 2011 at 11:03pm

Physics please help!
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 2.070E+7 m and its rotation to be 19.8 hours. You have previously determined that the planet orbits 1.590E+11 m from its star with a period of 368.0 ...
Wednesday, November 30, 2011 at 10:49pm

MTH209
Use the graph of the system to determine the solution. x + y = 4 x+ 3y= 6 What is the solution? Select the correct choice below and fill in an answer boxes in your choice. A. (Type an ordered pair). B. There are infinitely many solutions. C. There is no solution.
Wednesday, November 30, 2011 at 9:12pm

College Physics
Dry Ice. At standard atmospheric pressure, the solid form of carbon dioxide called “dry ice” undergoes a phase change not to a liquid but straight to a gas. This process is called sublimation, and like other phase transitions heat energy is required. In this case it ...
Wednesday, November 30, 2011 at 8:50pm

algebra
to qualify for a certain car loan, a customer must have a credit score of at least 600. in addition, the cost of the car must be at least $5000. define variables, write a system of ineaqualities to represent this situation, and name one possible solution.
Wednesday, November 30, 2011 at 6:46pm

history
Which of the following was true of the Judiciary Act of 1801? A. It packed the Supreme Court with Democratic Republicans. [B. It expanded the federal court system.] C. It was opposed by the Federalists. D. It reduced the power of the federal courts is my answer correct in ...
Wednesday, November 30, 2011 at 6:02pm

Science
Two particles with masses 3.1 kg and 6.6 kg are connected by a light rod of length 4 m. Find the moment of inertia of the system about an axis perpendicular to the rod and passing through: a) the midpoint of the rod; b) the center of mass of the system of particle:
Wednesday, November 30, 2011 at 5:43pm

Science
Two blocks with masses m1 = 3.9 kg and m2 = 6.7 kg are connected by a string that hangs over a pulley of mass M = 2.2 kg and radius R = 0.11 m as shown above. The string does not slip. Assuming the system starts from rest, use energy principle find the speed of m2 after it has...
Wednesday, November 30, 2011 at 5:41pm

history
In the Old South, the majority of slaves [A. lived on plantations with 20 or more slaves.] B. lived on plantations with 100 or more slaves. C. worked under a task system. D. lived on small farms. is my answwer correct in brackets
Wednesday, November 30, 2011 at 5:34pm

history
The keystone to what Henry Clay called the American System was? A. abolishing slavery. [B. a high tariff.] C. encouraging British competition. D. a low tariff is my answer in brackets correct
Wednesday, November 30, 2011 at 4:57pm

history
Under America's second party system, the Whigs stood for? A. policies that kept government hands off business and industry. B. a "negative liberal state." C. a "liberally negligent" state. [D. policies that directly supported commercial enterprises ] my...
Wednesday, November 30, 2011 at 4:38pm

COMPUTER HARDWARE MANAGEMENT
how can you obtain real-time ,current information in Windows NT /200/xp about the 1)number of memory pages per second 2) average disk quee length and 3) percentage of processor time being utilized a) type perform in the run dialog box and click OK b)go to Programs or All ...
Wednesday, November 30, 2011 at 3:15pm

Physics
I can not figure this out. You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 2.070E+7 m and its rotation to be 19.8 hours. You have previously determined that the planet orbits 1.590E+11 m from its ...
Wednesday, November 30, 2011 at 2:03am

Physics
If we examine a ball in free fall, we find that the momentum of the ball is not constant. This is not a violation of the law of conservation of momentum because A) the force of gravity acts on the ball. B) the ball experiences an external force. C) the system is not closed. D...
Tuesday, November 29, 2011 at 10:46pm

Government
2. Advocates of a parliamentary system argue that Congress is inefficient, moves slowly and develops policies filled with compromises. What evidence supports this negative evaluation? Your answer should discuss the intentions of the Founding Fathers, the influence of the ...
Tuesday, November 29, 2011 at 8:47pm

physics
A merry-go-round accelerating uniformly from rest achieves its operating speed of 3.4 rpm in 2 revolutions. What is the magnitude of the angular acceleration?
Tuesday, November 29, 2011 at 8:28pm

Getting Work done with Pulleys
Wats the hidden shortcut to figure the mechanical advantage for a pulley system by not doing calculations? Is that using many pulleys at once? I really don't know. Just guessing.
Monday, November 28, 2011 at 8:57pm

SOCIAL STUDIES!!!
in what ways did whitneys system improve products
Monday, November 28, 2011 at 7:28pm

physic
An infinite uniformly-charged sheet with a = -2 x 10^-10 C/m2 occupies the yz plane. A deuteron1 is created at a point on the +x axis 5 m from the sheet. The deuteron is produced with zero kinetic energy and is free to move. a) What is the location of the deuteron at the ...
Monday, November 28, 2011 at 4:32pm

Physics
Two blocks with masses m1 = 3.9 kg and m2 = 6.7 kg are connected by a string that hangs over a pulley of mass M = 2.2 kg and radius R = 0.11 m as shown above. The string does not slip. Assuming the system starts from rest, use energy principle find the speed of m2 after it has...
Monday, November 28, 2011 at 3:55pm

Physics
Two particles with masses 3.1 kg and 6.6 kg are connected by a light rod of length 4 m. Find the moment of inertia of the system about an axis perpendicular to the rod and passing through: a) the midpoint of the rod; b) the center of mass of the system of particle:
Monday, November 28, 2011 at 3:48pm

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, November 27, 2011 at 11:20pm

statistics
2. In a filing system containing a total of 15,200 records, 85 are identified as misfiles. What is the filing accuracy rate for this area? Round to the second decimal point and show your work
Sunday, November 27, 2011 at 10:36pm

physics
The vector position of a 3.75 g particle moving in the xy plane varies in time according to the following equation. At the same time, the vector position of a 5.20 g particle varies according to the following equation. For each equation, t is in s and r is in cm. Solve the ...
Sunday, November 27, 2011 at 10:28pm

home economics
When were the Home Economics Courses dropped or greatly reduced by the school system in Ontario.
Sunday, November 27, 2011 at 6:14pm

finance
If a company has fixed costs and is operating above the breakeven point, when sales increase by 15%, profits will: a. increase by less than 15% b. increase by 15% c. increase by more than 15% d. decrease by less than 15%
Sunday, November 27, 2011 at 5:27pm

space
I'm doing a solar system project for school. The problem I'm facing is that I'm am doing every two feet is 10 astronomical units, but how many 1/8 inch's is one astronomical unit?
Sunday, November 27, 2011 at 1:26pm

computer sciece
Baud Rate Generator: library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity br_gen is generic(divisor: integer := 3); port( sysclk:in std_logic; --system clock sel :in std_logic_vector(2 downto 0); bclkx4:buffer std_logic; --baud rate X 8 bclk :out ...
Sunday, November 27, 2011 at 11:15am

Physics help please
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 2.070E+7 m and its rotation to be 19.8 hours. You have previously determined that the planet orbits 1.590E+11 m from its star with a period of 368.0 ...
Sunday, November 27, 2011 at 12:50am

fin decision making for managers
Aberdeen Corp. uses activity-based costing system with three activity cost pools. The following cost information is provided: Wages and salaries $ 220,000 Depreciation 120,000 Utilities 100,000 Total $440,000
Saturday, November 26, 2011 at 9:16pm

Chemistry
a) An equilibrium exists between three chemical species in the blood , Hemoglobin, oxygenated hemoglobin and oxygen. Using the symbols Hb for hemoglobin , O2 for oxygen and HbO2 for oxygenated hemoglobin write out the equilibrium reaction. If you have determined if the forward...
Saturday, November 26, 2011 at 1:16pm

Corporate Finance
1) A typical use of managerial accounting is to: a) help investors and creditors assess the financial position of the company b) help management get a clean audit report c) help the marketing manager decide which product promotion to implement d) help the SEC decide whether ...
Friday, November 25, 2011 at 7:42am

Impacts
How does the health care system affect our society socially, economically and environmentally?
Wednesday, November 23, 2011 at 6:17pm

math
I have a triangle in a coordinate system(not native english) i have these three points. A: 4,-2 B:-2,-1 C: 4,3 How do i get the height of it in relation BC? And, how do i calculate the total area of the triangle? Made this atm: AB: ((-2)-4)/((-1)-2) = 2; y-2=2(x-1) y = 2*x; BC...
Wednesday, November 23, 2011 at 2:09pm

Texas Government
The federal income tax in the U.S. is a benefit-based system. a. yes b. no I would say yes? Is it because they gain benefit from the taxes ?
Wednesday, November 23, 2011 at 10:20am

MATH
A RADIO USES THE ENERGY EQUIVALENT 1/20 TON OF COAL PER YEAR. FIND THE ENERGY EQUIVALENT IN TONS OF COAL FOR OPERATING A RADIO FOR FOUR YEARS.??
Tuesday, November 22, 2011 at 11:14pm

computers
Which type of data communication system is composed of a group of devices in close proximity? (Points: 5) CAN LAN MAN WAN Is it LAN
Tuesday, November 22, 2011 at 1:24pm

world history
can you please check my answers 3.In China in the 1980s, commune-based agriculture was replaced by the _______ responsibility system. A. household B. community C. cultural<< D. Confucian _______________________________________ 4. Which of the following statements about ...
Monday, November 21, 2011 at 9:57am

Math (linear algebra)
Solve the system of equation. x- 2y+ 3z = 5 3x + y = -5 -2x+y + z = 8
Monday, November 21, 2011 at 2:39am

Algebra
Could anyone help me write a system of equations with this? Thanks - A theater group sold a total of 440 tickets for $3940. Each regular ticket costs $5, each premium ticket costs $15, and each elite ticket cost $25. The number of regular tickets was three times the number of ...
Sunday, November 20, 2011 at 9:57pm

physics
The maximum speed of a 3.7-{\rm kg} mass attached to a spring is 0.66 m/s, and the maximum force exerted on the mass is 11 N. What is the amplitude of motion for this mass? What is the force constant of the spring? What is the frequency of this system?
Sunday, November 20, 2011 at 8:43pm

physics
Draw a block and tackle system of pulleys with a velocity ratio of 5 is used to raise a mass of a 25kg through a vertical distance of 40cm at a steady rate.
Sunday, November 20, 2011 at 3:19pm

economics
Explain how resources are allocated in a market economy. what should i talk bout,well i should i talk about the 3 types of economics system like fixed economy,free market,planned market and command market?
Sunday, November 20, 2011 at 10:36am

physics
suppose you want to design an air bag system that can protect the driver at a speed of 100 km/h if the car hits a brik wall estimate how fast the air bag must inflate to effectively protect the driver ?
Saturday, November 19, 2011 at 1:02pm

Physics
Two disks of identical mass but different radii (r and 2r) are spinning on frictionless bearings at the same angular speed ω0, but in opposite directions. The two disks are brought slowly together. The resulting frictional force between the surfaces eventually brings them...
Saturday, November 19, 2011 at 12:20pm

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