Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

College Algebra
In an assembly line of a factory, which produces networking switching hubs, two robots are utilized. The first one (A) is able to produce 40 microchips per hour, whereas the second one (B) produces 30 microchips per hour. For a total production of 400 microchips, the two ...
Friday, November 16, 2012 at 8:37pm

HELP !!! Algebra 2
15. What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3} {y - x = 2}
Friday, November 16, 2012 at 1:48pm

Algebra 2
Can you show your work please :/ 12. Use the quadratic formula to solve the equation. 4x2–6x–10=0 13. Simplify the number using the imaginary unit i. Square root of -16 14. Simplify the expression. -5+i/2i 15. What is the solution of the linear-quadratic system of ...
Friday, November 16, 2012 at 12:46pm

Physics
If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system?
Thursday, November 15, 2012 at 10:14pm

7th grade English
Explain whether the following statement is a fact or an opinion: "Capitalism is a better system of government than communism." Give reasons for your answer. Isn't this sentence an opinion because it uses the word "better"?
Thursday, November 15, 2012 at 7:55pm

Math
Explain how you can determine whether a system of two linear equations will be consisten, dependent, or inconsistent?
Thursday, November 15, 2012 at 3:51pm

Statistics
In a three-channel queuing system, the arrival rate is 1 unit per time period and the service rate is 0.6 unit per time period. Determaine the probability that an arriving unit does not have to wait.
Thursday, November 15, 2012 at 5:00am

Physics
If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system?
Wednesday, November 14, 2012 at 11:45pm

Physics
Block A of mass 2.0 kg and Block B of 8.0 kg are connected by a spring of spring constant 80 N/m and negligible mass. The system is being pulled to the right across a horizontal frictionless surface by a horizontal force of 4.0 N, with both blocks experiencing equal constant ...
Wednesday, November 14, 2012 at 10:47pm

Physics
A uniform 2.20 kg sign of height 0.600 m hangs freely from a frictionless pivot. (Its extension into the page is irrelevant: treat it as a thin uniform rod of ‘length’ 0.600 m, pivoted about one end.) You throw a point-like 0.248 kg snowball at the sign. It strikes ...
Wednesday, November 14, 2012 at 9:37pm

AP Physics B
If the system shown in Figure P8.29 is set in rotation about each of the axes mentioned in problem 29, find the torque that will produce an angular acceleration on 1.5 rad/s2 in each case.
Wednesday, November 14, 2012 at 8:39pm

Math
The largest multi-story building built by the Anasazi Indians called the Pueblo Bonito. The shape of its foundation is nearly parabolic, with a base (at the top of the photo) of about 500 feet and a height of about 300 feet. 1. Sketch the multistory building on a coordinate ...
Wednesday, November 14, 2012 at 8:36pm

Physics
Two astronauts, each having a mass M are connected by a length of rope of length d have a negligible mass. They are isolated in space, orbiting their center of mass at an angular speed of ù0. By pulling on the rope, one of the astronauts shortens the total distance ...
Wednesday, November 14, 2012 at 7:01pm

physics
134 g of water at 7°C is added to ice at 0°C. If the final temperature of the system (which you can assume is isolated) is 0°C, determine HOW MUCH ICE MELTED. The specific heat of water is 4186 J/kg·°C. The latent heat of fusion for H2O is 335,000 J/kg.
Wednesday, November 14, 2012 at 3:37pm

Physics
Steam of mass 11.0 g at 100°C is added to 114.8 g of ice at 0.00°C. Find the final temperature of the system.
Wednesday, November 14, 2012 at 2:26pm

Chemistry
balloon is filled with 1.35 atm dimethyl ether gas and 5.25 atm of oxygen gas at 27 C degrees. They react: C2H6O (g) + 3O2 (g) --> 2CO2 (g) + 3H2O(g) The system is allowed to cool back down to 27 degrees Celsius following the reaction. assuming external pressure is still ...
Wednesday, November 14, 2012 at 2:17pm

Algebra 1
Christopher orders a 3 topping pizza for $15.25 and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain pizza( no toppings) and the cost of each topping.
Wednesday, November 14, 2012 at 1:54pm

College Algebra
I am using Hawkes Learning System (8.7 Nonlinear Systems of Equations)and my problem is x^2+y^2=13 and y+7=x^2. The answers I came up with are 2 square root of 3 and 3 for my x's. And I received (5,-4) as the y-coordinates. Is this correct?
Wednesday, November 14, 2012 at 11:25am

chemistry
a chemist puts 6 moles of nitrogen gas and 7 moles hydrogen gas into an evacuated 1 liter container. The system reaches equilibrium at a certain temperature according to the process outlined above. when the system is at equilibrium the chemist determines the ammonia ...
Wednesday, November 14, 2012 at 10:42am

chemistry
Consider an insulated system containing 150 g of liquid water and 150 g of ice at equilibrium under atmospheric pressure. A total of 22g of steam at 120◦C is admitted to the system. What is the phase composition and temperature when equilibrium is reestablished?
Wednesday, November 14, 2012 at 4:46am

MSU
Shirts Unlimited operates a chain of shirt stores that carry many styles of shirts that are all sold at the same price. To encourage sales personnel to be aggressive in their sales efforts, the company pays a substantial sales commission on each shirt sold. Sales personnel ...
Wednesday, November 14, 2012 at 12:53am

math
a cabinet will inclose a rectangular loud speaker system and will have an internal volume of 2.4 cubic feet. The height will be 1.5 times the width. What are the dimesnions of the enclosure that can be constructed at a minimum cost?
Tuesday, November 13, 2012 at 10:06pm

Physics
A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20% of the gravitation ...
Monday, November 12, 2012 at 8:11pm

physcis
Two astronaut, as shown in the figure, each having a mass of 62.0 kg, are connected by a 12.00 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 5.00 m/s. Treating the astronauts as particles, calculate...
Monday, November 12, 2012 at 3:43pm

principles of health and wellness
I am trying to figure out what role the immune system plays in preventing breast cancer, is there anyone who can help me?
Monday, November 12, 2012 at 12:04pm

time and stress management
To limit your telephone time at work,you can? A)ignore the messages-people with important messages will call back B)have a coworker answer the phone C)limit the coversation to work-related issues D)unplug the phone my answer is c can someone please help once you have ...
Monday, November 12, 2012 at 10:03am

Physics
A mass-spring system has b/m = ω0/2, where b is the damping constant and ω0 the natural frequency. How does its amplitude A when driven at a frequency 12% above ω0 compare with its amplitude at resonance Ares at ω0?
Monday, November 12, 2012 at 6:40am

Physics
A string that passes over a pulley has a 0.373 kg mass attached to one end and a 0.620 kg mass attached to the other end. The pulley, which is a disk of radius 9.50 cm, has friction in its axle. What is the magnitude of the frictional torque that must be exerted by the axle if...
Monday, November 12, 2012 at 1:24am

Physics
A 500 g block on a frictionless surface is attached to a rather limp spring of constant k = 8.7 N/m. A second block rests on the first, and the whole system executes simple harmonic motion with a period of 3.1 s. When the amplitude of the motion is increased to 60 cm, the ...
Sunday, November 11, 2012 at 11:37pm

Physics
A 240 g mass is attached to a spring of constant k = 5.4 N/m and set into oscillation with amplitude A = 26 cm. (a) Determine the frequency of the system in hertz. (b) Determine the period. (c) Determine the maximum velocity of the mass. (d) Determine the maximum force in the ...
Sunday, November 11, 2012 at 8:48pm

physics
Two astronaut, as shown in the figure, each having a mass of 62.0 kg, are connected by a 12.00 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 5.00 m/s. Treating the astronauts as particles, calculate...
Sunday, November 11, 2012 at 7:48pm

operating system
Case 2-2: Comparing Word-Processing Applications You see an opportunity to possibly save your company money by adopting the OpenOffice suite for the new PCs in the Engineering Department. Your boss is interested in your suggestion, but wants to see a list of pros and cons for ...
Sunday, November 11, 2012 at 6:24pm

physics
A solid, horizontal cylinder of mass 12.0 kg and radius 2.30 m rotates with an angular speed of 6.70 rad/s about a fixed vertical axis through its center. A 1.60 kg piece of putty is dropped vertically onto the cylinder at a point 0.600 m from the center of rotation and sticks...
Sunday, November 11, 2012 at 5:44pm

MAT 116
The perimeter of a rectangle is 28 ft. The length is 10 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width.
Sunday, November 11, 2012 at 5:42pm

Sociology
What does the author think best explains the number of lower-class offenders in the criminal justice system? a) They have higher offending rates. b) They have higher rates of recidivism. c) There are both disparities in crime rates and discrimination in the system. d) ...
Sunday, November 11, 2012 at 5:33pm

medical Technologies
Which classification system uses resident assessment data to assign residents to one of fourty-four groups, with each assessment applying to specific days within a resident's stay?
Sunday, November 11, 2012 at 4:19pm

Project Budget
For a Company Wide Compliance System Project Budget The project for the company offsite 2-day training session has been given a preliminary go-ahead. However a budget needs to be submitted for approval. Write a 2- to 3-page memo explaining the financial implications of your ...
Sunday, November 11, 2012 at 1:04pm

Physics
A 11.0-g bullet is fired horizontally into a 101-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 160 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring ...
Sunday, November 11, 2012 at 11:01am

Physics
A particle of mass m1 is tide to a string and describes a circumference on a horizontal plane. The string (of negligible mass)passes through a hole that is in the center of the plane and goes down vertically. At the lower end is tied another particle of m2. If the first ...
Sunday, November 11, 2012 at 6:45am

Physics
A disk rotates on the horizontal. A blcok is hanging from the tisc, which forms an angle with the vertical of 45 degrees while the disk turns. The radius of the disc is .1mm and the length of the string is .06 m. Determine the velocity of rotation for the system.
Sunday, November 11, 2012 at 5:46am

physics
A 10.0-g bullet is fired horizontally into a 101-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 155 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring ...
Sunday, November 11, 2012 at 12:09am

PHYSICS!
0.115 kg of water at 81.0o C is poured into an insulated cup containing 0.220 kg of ice initally at 0o. Calculate the mass of liquid when the system reaches thermal equilibrium.
Saturday, November 10, 2012 at 10:07pm

Computer
on C++, I want to make an operation like " 2x + y - z ", I wrote something like that but I can' t get the result, where is my mistake? Ty. #include <stdio.h> #include <stdlib.h> int main( void ) { char op; int x; int y; int z; int f; printf ("...
Saturday, November 10, 2012 at 1:01pm

math
Solve the system of equations by graphing 2x+y=8 X+3y=9
Friday, November 9, 2012 at 10:52pm

physics
Suppose a 34.5-kg child sits 1.17 m to the left of center on the same seesaw as the problem you just solved in the PRACTICE IT section. A second child sits at the end on the opposite side, and the system is balanced.
Friday, November 9, 2012 at 7:36pm

Human Anatomy
how does cystic fibrosis affect your digestive system? and what exactly is cystic fibrosis? I know it has something to do with the lungs. thanks in advance! ♥dino♥
Friday, November 9, 2012 at 7:17pm

Criminal Justice
Write a 200- to 300-word response describing the concept of due process, including how it applies to the criminal justice system.
Friday, November 9, 2012 at 2:48pm

Q&A Check Please, science 7th grade
An impulse is sent from the motor neuron to a(n) _____. sensory neuron? In the part of the inner ear called the cochlea, receptors convert sound vibrations into nerve impulses. true? Involuntary actions are controlled by the ____. spinal cord? The __________ consists of all ...
Friday, November 9, 2012 at 12:07am

Chemistry
51.34 g of water at 81.5 oC is added to a calorimeter that contains 52.13 g of water at 40.7 oC. If the final temperature of the system is 59.4 oC, what is the calorimeter constant (Ccalorimeter) ? Use 4.184 J/goC for the heat capacity of water.
Thursday, November 8, 2012 at 9:46pm

math
Jenna has $1500 in a savings account. She adds $30 to her account each month. Luis has $2400 in his savings account. He withdraws $30 from his account each month. Write and solve a system of equation.
Thursday, November 8, 2012 at 9:41pm

Physics
A rotating uniform-density disk of radius 0.7 m is mounted in the vertical plane. The axle is held up by supports that are not shown, and the disk is free to rotate on the nearly frictionless axle. The disk has mass 5 kg. A lump of clay with mass 0.3 kg falls and sticks to the...
Thursday, November 8, 2012 at 9:40pm

math
you have an unlimited supply of 5% saline solution and 8% saline solution. How much of each type would you have to use to create 60 ounces of 7% saline solution? Write and solve a system of equations to model and solve this problem.
Thursday, November 8, 2012 at 9:30pm

Chemistry
The high acid rain which falls in the Northeast frees aluminum ions from the soils. The tree absorbs the aluminium ion. The sap is basic so the aluminium ion becomes aluminum hydroxide. Aluminium hydroxide is a large bulky molecule that plugs the water/nutrient transport ...
Thursday, November 8, 2012 at 10:29am

SCIENCE 9 URGENT!!
i wrote these questions before but no one helped me so im writing them again 1. a.) name the structures of the male reproductive system that sperm do not travel through. b.) what is the name given to these structures? 2. Name the other body system that the p e n i s is part of...
Wednesday, November 7, 2012 at 7:46pm

Science 9 PLEESE HELP
i need help on these questions so pleese help me! 1. a.) name the structures of the male reproductive system that sperm do not travel through. b.) what is the name given to these structures? 2. Name the other body system that the !@#$%^& is part of 3. why do males have 2 ...
Wednesday, November 7, 2012 at 6:18pm

statistics
An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if 7 bags are randomly selected, their mean weight...
Wednesday, November 7, 2012 at 4:00pm

chemistry
A buffer system is created by neutralizing the supernatant solution containing Pb^2+, Fe^3+, Al^3+, Ca^2+, Cu^2+, and K^+ ions with 6M NH3 solution and then adding an equal volume of 6M NH3 solution. Explain what forms of 6M NH3 were present in the final solution, their ...
Wednesday, November 7, 2012 at 12:35pm

Algebra
Tickets to a movie cost 7.25 for adults and 5.50 for students. A group of friends purchased 8 tickets for $52.75 Write a system of equations to represent the situation
Wednesday, November 7, 2012 at 7:34am

Algebra
I just need some help finding the equations to this problem and i will know how to do the rest. Kenisha sells athletic shoes part-time at a department store. She can earn either $500 per month plus a 4% commission on her total sales, or $400 per month plus a 5% commission on ...
Tuesday, November 6, 2012 at 6:51pm

Physics HELP!
A solid, horizontal cylinder of mass 11.0 kg and radius 1.70 m rotates with an angular speed of 5.10 rad/s about a fixed vertical axis through its center. A 1.21 kg piece of putty is dropped vertically onto the cylinder at a point 0.600 m from the center of rotation and sticks...
Tuesday, November 6, 2012 at 3:45pm

science
Two blocks of different temperatures are brought together. Block A is a 360.0-kg block is made of Material X which has a temperature-dependent specific heat. Its initial temperature is TA = 200.0¡ã C. Block B is a 1000.0-kg iron block with an initial temperature ...
Tuesday, November 6, 2012 at 7:41am

Chemistry: Need Help
Suppose there is a simulation of 25 helium molecules and 25 nitrogen molecules on the right side of a box before the rate of effusion. Suppose you carry out this simulation and it does not give a precise quantitative reflection of Graham's Law. -->What could be done to ...
Tuesday, November 6, 2012 at 5:47am

a;gebra
The perimeter of a rectangle is 34 ft. The length is 1 ft longer than the width. Find the dimensions. Write a system of linear equation and solve the resulting system. Let x be the length and y be the width. 2x+2y=
Tuesday, November 6, 2012 at 1:19am

Automation
write a note on material handling system design
Monday, November 5, 2012 at 11:30pm

English
1.With a winter storm (blustering bungling) outside what could be more welcome than a warm room, a good meal, and my favorite TV program? blustering? 2.The idea that most people usually behave calm and reasonable way is (refuted numbed) by all the facts of history refuted? 3....
Monday, November 5, 2012 at 9:09pm

algebra
y<x^2+8x+20 y>=-x^2-10x-20 what is the solution of the system of inequalities? Then says to graph but not sure if the graph is shaded or not.
Monday, November 5, 2012 at 9:03pm

Chemistry
Suppose there is a simulation of 25 helium molecules and 25 nitrogen molecules on the right hide of a box before the rate of effusion. Suppose you carry out this simulation and it does not give a precise quantitative reflection of Graham's Law. -->What could be done to ...
Monday, November 5, 2012 at 7:11pm

Physics
Two air-track carts move toward one another on an air track. Cart 1 has a mass of 0.336 kg and a speed of 1.16 m/s. Cart 2 has a mass of 0.634 kg. What speed must cart 2 have if the total momentum of the system is is to be zero? What is the system's kinetic energy?
Monday, November 5, 2012 at 4:53pm

Chemistry lab
I have spent the last 6 hours trying to figure this out and have talked to my teacher and apparently i canoot get it right as i have to explain sulfate ions other things i dont understand (never took chem before) questions i need help with Na2so4 .05mol/l are reacted with ...
Monday, November 5, 2012 at 3:26pm

chemistry... HELPP
A gaseous reaction occurs at a constant pressure of 45.0 atm and releases 62.5 Kj of heat. Before the reaction, the volume of the system was 8.60 L . After the reaction, the volume of the system was 3.00 L. Calculate the total internal energy change in kilojoules.
Monday, November 5, 2012 at 9:14am

Chemistry
Suppose there is a simulation of 25 helium molecules and 25 nitrogen molecules on the right hide of a box before the rate of effusion. Calculate the theoretical ratio of rate of effusion of Helium to Nitrogen: **Which is the Square root of 28/4 = 2.646** Suppose you carry out ...
Monday, November 5, 2012 at 12:25am

physics
Three particles of masses 14 kg, 21 kg, and 69 kg are located at the vertices of an equilateral triangle of sides 7 m. A)Find the x-coordinate of the center of gravity of this system with respect to a coordinate system with origin at the 14 kg particle and with the 21 kg ...
Sunday, November 4, 2012 at 9:30pm

Q&A Check Please, geo 7th grade
Many of the mineral deposits and oil reserves in Nunavut, the Yukon, and the Northwest Territories have not been developed because a. environmental laws prohibit the mining of land in these territories. b. native Inuit refuse to give up their lands. c. the area is sparsely ...
Sunday, November 4, 2012 at 6:44pm

Physics
Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.9 kg and an initial velocity of = 8.82 m/s, due east. Object B, however, has a mass of mB...
Sunday, November 4, 2012 at 6:28pm

precalculus
Use the elimination method to find all solutions of the system of equations. (Order your answers from smallest to largest x, then from smallest to largest y.) x − y2 + = 0 2x2+ y2 −9 = 0
Sunday, November 4, 2012 at 3:57pm

Physics B
part 1 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 1.5 kg object at the origin, a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg object at (4.2 m,0 m). THANK YOU!! Find the ...
Sunday, November 4, 2012 at 12:20pm

Healthcare Law & Ethics
why is the current health care system is in turmoil? Identify one or two major problems of health care and analyze the impact of the problem(s) on patients and the community. Describe the benefits and risks of national health insurance.
Sunday, November 4, 2012 at 4:23am

Physics B
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 1.5 kg object at the origin, a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg object at (4.2 m,0 m). Find the resultant gravitational ...
Sunday, November 4, 2012 at 1:51am

algebra
Example 2: The difference of two numbers is 16. The first number is 4 less than twice the second number. Set up this system that describes the situation.
Saturday, November 3, 2012 at 8:15pm

College Finance
Warp Tense Ltd. has the following assets: Current Assets (Temporary): $2,000,000 Current Assets (Permanent): $500,000 Capital Assets: $4,500,000 Total Assets: $7,000,000 Its operating profit (EBIT) is expected to be $0.45 million. Its tax rate is 30 percent. Shares are valued...
Saturday, November 3, 2012 at 6:21pm

History
what was the development of the slavery system?
Saturday, November 3, 2012 at 4:50pm

mechanics
The figure below shows a ball with mass m = 0.299 kg attached to the end of a thin rod with length L = 0.388 m and negligible mass. The other end of the rod is pivoted so that the ball can move in a vertical circle. The rod is held horizontally as shown and then given enough ...
Friday, November 2, 2012 at 5:18am

Psychology
Which statement best illustrates the idea that people adjust their behavior according to the gender schema theory? Choose one answer. a. Agnes tells her son that it is wrong to put makeup on his face and that boys don't wear dresses and skirts. b. Bart sees two doors in ...
Thursday, November 1, 2012 at 9:38pm

mg495
You learn that 25 percent of the cost of goods sold and operating expense figures for 2009 are fixed costs that will not change in 2010. Reconstruct the pro forma income statement.
Thursday, November 1, 2012 at 8:58pm

thermodynamic
1.5kg water in a closed system initiallu have a pressure of 700 kPa and x=0.7.Then,water had been expanding at constant temperature process until the pressure decrease to 150kpa.During the process,1000kJ heat was transferred to the system.Determine the final temperature and ...
Thursday, November 1, 2012 at 9:57am

Physics
The system shown in the ﬁgure is in equilibrium. A 15 kg mass is on the table. A string attached to the knot and the ceiling makes an angle of 54◦ with the horizontal. The coeﬃcient of the static friction between the 15 kg mass and the surface on which it ...
Thursday, November 1, 2012 at 12:25am

ap chemistry
Consider the reaction Ni(s) + 4CO(g) ! Ni(CO)4(g) Assuming the gases are ideal, calculate the work done on the system at a constant pres- sure of 1 atm at 75C for the conversion of 1.00 mole of Ni to Ni(CO)4.
Wednesday, October 31, 2012 at 9:11pm

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 8.1 liters against a constant external pressure of 0.0100 atm? Answer in units of J
Wednesday, October 31, 2012 at 9:10pm

Physics
Given that the Sun has a mass 333,000 times larger than Earth’s mass and Earth has an average distance of 1.49 x 1011 m from the Sun, at what distance from the Sun is the center of mass of the Earth-Sun system? a. 1.00 m b. 4.47 x 105 m c. zero d. 333,000 m e. 1.49 x ...
Wednesday, October 31, 2012 at 9:06pm

7th grade health please Ms. Sue?
Hi! Sorry, I don't know what subjects you teach, but can you check my answers please? 1. Starches and sugars that provide energy (1 point) kidneys enzymes carbohydrates vitamins 2. The system that removes waste from the body and controls the body's water levels (1 ...
Wednesday, October 31, 2012 at 7:32pm

ACC305 Accounting for Decision Making
Describe the complications that arise when LIFO or average cost is used with a perpetual inventory system. Use specific examples and references. The part that I am having trouble with is finding examples. I have the rest of the work done now I just need help with getting some ...
Wednesday, October 31, 2012 at 7:03pm

alegbra 1
Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7
Wednesday, October 31, 2012 at 2:32pm

alegbra 1
Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7
Wednesday, October 31, 2012 at 1:26pm

alegbra 1
Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7
Wednesday, October 31, 2012 at 1:12pm

social studies
Can you help me? I am stumped! We are supposed to use our book to fill in the answers. This is the questions I need your help with 1. A (n) is a state's or a country's system of producing, and consuming goods and services. My answer is economy, but our book has three ...
Tuesday, October 30, 2012 at 11:25pm

Computer Science
public class RandomPhoneNumber { public static void main(String[] args) { int num1=(int)(Math.random()*7); int num2=(int)(Math.random()*7); int num3=(int)(Math.random()*7); int set1=(int)(100+Math.random()*642); int set2=(int)(1000+Math.random()*8000); System.out.println("...
Tuesday, October 30, 2012 at 6:35pm

Phyiscs
True or false: When a system consists of several objects, each with their own mass and velocity, the linear momentum of the system as a whole is simply the product of the system's total mass and the velocity of the system's center of mass.
Tuesday, October 30, 2012 at 1:40pm

biology
what are the different parts that comprise the musculoskeletal system
Tuesday, October 30, 2012 at 6:18am

Chem Lab Help
Trial #1 Trial #2 Trial #3 Mass: gelatin capsule (g) .123 .118 .122 Mass: whole alka-seltzer tablet (g) 3.230 3.230 3.230 Mass: capsule + alka-seltzer sample (g) .822 .882 .677 Mass: system before reaction (g) 23.109 23.110 22.735 Mass system after reaction (g) 21.742 21.813 ...
Monday, October 29, 2012 at 10:37pm

PHYSICS
A woman whose weight is 530 Newtons is standing on the outer edge (right) of a diving board of 3.9 meters length. She is over the water of the pool. The left edge of the board is bolted down to the concrete. A support spring (shown as a fulcrum) is centered 1.4 meters from the...
Monday, October 29, 2012 at 7:30pm

Engineering maintenance
an undamped mass spring system is with mass of 12kg and stiffness of 15N/mm,a)determine the natural frequency and the period of the free motion of the system b)determine the amplitude of displacement A and the phse shift for the initial conditions x0=2mm,v0=-1mm/s
Monday, October 29, 2012 at 2:36am

Sociology
In the twentieth centruy, which country had a caste system based on race? a. India b. the USA c. South Africa d. a and b only e. b and c only
Monday, October 29, 2012 at 12:07am

Chemistry Lab
The experimental data you entered is: Trial #1 Trial #2 Trial #3 Mass: gelatin capsule (g) .123 .118 .122 Mass: whole alka-seltzer tablet (g) 3.230 3.230 3.230 Mass: capsule + alka-seltzer sample (g) .822 .882 .677 Mass: system before reaction (g) 23.109 23.110 22.735 Mass ...
Sunday, October 28, 2012 at 9:35pm

math calc 2
a 30 m chain hangs vertically from a cylinder attached to a winch. assume there is no friction in the system and that the chain has a density of 5 kg/m. how much work is required to wind the entire chain onto the cylinder using the winch?
Sunday, October 28, 2012 at 9:12pm

Psychology
Sources of stress do not automatically cause stress-related problems. Moderators of stress, which can include our personal strengths, might mean that we can have a healthier and more productive life in spite of life's challenges, or maybe even because of them. As the text ...
Sunday, October 28, 2012 at 3:53pm

physics
A funny car accelerates from rest through a measured track distance in time T with the engine operating at a constant power P. If the track crew can increase the engine power by a differential amount dP, what is the change in the time required for the run? (Use any variable or...
Friday, October 26, 2012 at 3:41am

Physics help
Two masses m1 = 2 kg and m2 = 4 kg are connected by a light string. Mass m2 is connected to mass M = 14 kg by a string that passes over an ideal pulley. Determine the following quantities when the system is released from rest. (a) The acceleration of the masses m/s2 (b) The ...
Friday, October 26, 2012 at 3:35am

physics
Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 . What are the weights w1 and w2?
Thursday, October 25, 2012 at 10:42pm

phy
Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 N, and è = 26.6°. What are the weights w1 and w2?
Thursday, October 25, 2012 at 10:17pm

Physics
The pulley system shown in the figure is used to lift a 37 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes are negligible and the crate is...
Thursday, October 25, 2012 at 9:20pm

Physics
Hockey puck A initially travels atÂ v(initial) = 6.2 m/s in the horizontal direction (East) on a smooth horizontal ice before striking hockey puck B which is initially at rest, off-center.Â After the collision, A is deflected at Î¸ =Â&...
Thursday, October 25, 2012 at 8:18pm

physics
A person holds a 1.56 baseball in his hand, a distance of 34.0 cm from the elbow joint, as shown in the figure(Figure 1) . The biceps, attached at a distance of 2.75 cm from the elbow, exerts an upward force on the forearm. Consider the forearm and hand to be a uniform rod ...
Thursday, October 25, 2012 at 4:15pm

Physics
A pendulum consists of a 2.6 kg stone swinging on a 4.5 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 53 ¢ª to the vertical? (b) What is the greatest angle with the vertical ...
Thursday, October 25, 2012 at 3:15pm

Physics
In the configuration shown (10m incline for m1 and 8m vertical length for m2 with a spring under it, both masses are linked by a rope and a pulley at the top), the 52.0 N/m spring is unstretched, and the system is released from rest. The mass of the block on the incline is m1...
Thursday, October 25, 2012 at 2:25pm

social
What is a key social system support during middle adulthood?
Thursday, October 25, 2012 at 12:42am

Science
Name one feed and feeding system in pig rearing.
Wednesday, October 24, 2012 at 9:34pm

Computers
I know that there are a whole bunch of proxy servers out there but I can't seem to find one that will help me get around the system. I am wanting to use this proxy address to help me access school resource websites, but they're all blocked. HELP!!!! Please reply soon ...
Wednesday, October 24, 2012 at 11:10am

World History
What is the basis of the feudal system?
Wednesday, October 24, 2012 at 3:16am

Abnormal Psychology
Sleep deprivation impairs functioning of the A. endocrine system. C. occipital lobe. B. prefrontal cortex. D. left temporal lobe. I put D
Tuesday, October 23, 2012 at 8:52pm

Programming Logic
Shemrock Inc. is a brake pad manufacturing company. This company uses raw materials, such as carbon powder, iron, ash, and resin. It wants to develop an inventory management system that will have the following features: 1.The system should store the current inventory levels ...
Tuesday, October 23, 2012 at 7:16pm

algebra 1
1. Solve the linear system using substitution. 4x-y=5 4x+4y=-4
Tuesday, October 23, 2012 at 3:02pm

Algebra 2 Helpp :(
QUESTIONS (vvv) (1) Solve the system by subsitution 2x + y = -11 3 - 4y = 11 (2) Solve the system by elimination 2x + 6 = -12 5x - 5y = 10 (3) What is the solution of the following system? -3x - 2y = -12 9x + 6y = -9 (4) What is the solution of the following system? x - y = 11...
Tuesday, October 23, 2012 at 2:39pm

Chemistry
Assuming that the gases are ideal, calculate the amount of work done (in joules) in the following reaction. Is work done on or by the system? A reaction in the Mond process for purfying nickel(0) tetracarbonyl at 50-100 degrees Celsius. Assume one mole of nickel is used and a ...
Tuesday, October 23, 2012 at 10:20am

physics to be conceptualize
Which of the following statements are FALSE? Select all that apply. In an isolated system where only conservative forces cause energy changes, the kinetic energy and potential energy of the system can change, but the mechanical energy of the system cannot change. When the ...
Tuesday, October 23, 2012 at 12:37am

Physics helppp
Which of the following statements are TRUE? Select all that apply. An isolated system is one in which objects inside the system are not influenced by any forces from outside the system. The mechanical energy of a pendulum bob is maximized at the bottom of its arc. Mechanical ...
Tuesday, October 23, 2012 at 12:36am

Physics
A 59.1 N/m spring is unstretched next to the 90 degree angle of an incline, and the system is released from rest. The mass of the block on the incline is m1 = 21.4 kg. (Neglect the mass of the pulley). If the coefficient of kinetic friction between m1 (the one sliding down the...
Monday, October 22, 2012 at 10:22pm

Physics
Three objects with masses m1 = 7.4 kg, m2 = 11 kg, and m3 = 18 kg, respectively, are attached by strings over frictionless pulleys (M1 hangs off the left side of the table and M3 hangs off the right side of the table with M2 between them on the table). The horizontal surface ...
Monday, October 22, 2012 at 5:33pm

Physics
An inventive child named Chris wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley, Chris pulls on the loose end of the rope with such a force that the spring scale reads 265 N. Chris’s...
Monday, October 22, 2012 at 5:04pm

cis210
Assignment 1: Inventory Management Systems Due Week 2 and worth 100 points Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated ...
Monday, October 22, 2012 at 3:06pm

Physics
A massless string connects three blocks as shown below. A force of 24 N acts on the system. What is the acceleration of the blocks and the tension in the rope attached to the 2 kg block?
Monday, October 22, 2012 at 1:48pm

Physics
A simple pendulum consists of a light rod of length L = 0.9 m anchored at a fixed point (like the ceiling), and a small mass m = 0.5 kg attached to the free end.Â The configuration is moved to an angle Î¸ = 39 degrees from the vertical and released from...
Monday, October 22, 2012 at 1:47pm

physics
A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
Monday, October 22, 2012 at 9:00am

physics
Your projectile launching system is partially jammed. It can only launch objects with an initial vertical velocity of 42.0 m/s, though the horizontal component of the velocity can vary. You need your projectile to land 214 m from its launch point. What horizontal velocity do ...
Monday, October 22, 2012 at 5:42am

physics
A particle of mass 0.350 kg is attached to the 100-cm mark of a meter stick of mass 0.175 kg. The meter stick rotates on a frictionless, horizontal table with an angular speed of 6.00 rad/s. (a) Calculate the angular momentum of the system when the stick is pivoted about an ...
Monday, October 22, 2012 at 1:27am

pre-calc.
Answers for Determine The Minimum Distance From The Point (18,20) To The Line 5x+8y=120 Include: Graph, Algebra Of Any Equations, Algebra Of System, Set-up & Steps Of Final Calculations.
Sunday, October 21, 2012 at 11:59pm

p
A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
Sunday, October 21, 2012 at 10:46pm

Chemistry problem
The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules. Please help, thank you ...
Sunday, October 21, 2012 at 9:59pm

accounting
In its first month of operations, Danielle Company made three purchases of merchandise in the following sequence: (1) 161 units at $17, (2) 414 units at $18, and (3) 115 units at $19. Assuming there are 271 units on hand, compute the cost of the ending inventory under the FIFO...
Sunday, October 21, 2012 at 8:38pm

physics
A object-spring system undergoes simple harmonic motion with an amplitude of A. Does the total energy change if the mass is doubled but the amplitude is not changed? Do the kinetic and potential energies depend on the mass? Explain. Thanks in advance
Sunday, October 21, 2012 at 5:46pm

Physics
A 28 kg canoe has a 24 kg passenger. The passenger is 2.0 m from the left end of the canoe and the center of mass of the canoe by itself is 2.9 m from the left end. a. Calculate the position of the center of mass of the canoe/passenger system. b. if we neglect any horizontal ...
Sunday, October 21, 2012 at 2:33pm

Criminal Justice
How does the structure of the government relate to the criminal justice system?
Sunday, October 21, 2012 at 2:10am

chemistry
name the following compound by the stock system (international systemic naming system: 1)Li2CO3 2) MnO2 3) HBrO4 4) (NH4)2 S 5) H3PO3 6) P2O5
Sunday, October 21, 2012 at 1:47am

i need help ss
1. Because there was a reawakening of interest in art, literature, and science between 1300 and 1600, it is fitting to call this period the Renaissance, since it means _____. (1 point)learning knowledge "out with the old" rebirth 2. During the Middle Ages, why was ...
Saturday, October 20, 2012 at 9:46pm

soical studys
1. Because there was a reawakening of interest in art, literature, and science between 1300 and 1600, it is fitting to call this period the Renaissance, since it means _____. (1 point)learning knowledge "out with the old" rebirth 2. During the Middle Ages, why was ...
Saturday, October 20, 2012 at 9:45pm

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Post a New Question | Current Questions

Homework Help: Computers

For Further Reading