# Homework Help: Computers: Operating Systems

## Recent Homework Questions About Operating Systems

**College Algebra**

A yo-yo factory has fixed operating costs of $450,000 per year. In addition to the fixed costs, the cost to produce one yo-yo is $1.10. The yo-yo company sells the yo-yos to a distributor for $5.50 each. How many yo-yos must be sold in a year to earn a profit of at least $140,...

**8th grade history**

John Locke: In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life, liberty, and property. No ...

**Algebra 1 college**

How much of a 12% saline solution should be mixed with a 4% saline solution to obtain 40 milliliters of a 6% saline solution?. Use a system of equations and elimination method to solve. can someone please see if I am on the right track. 12T + 4F=6x40 -4 -4F 4 8T=2x40 8T=80 8T/...

**physics**

0.50 L of water at 16°C is poured into an aluminum ice cube tray of mass 0.250 kg at the same temperature. How much energy must be removed from this system by the refrigerator to turn the water into ice at -8°C?

**Social Studies**

John Locke: In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life, liberty, and property. No ...

**Government**

John Locke: In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life, liberty, and property. No ...

**social studies (again)**

Jean-Jacques Rousseau: In his book The Social Contract, Rousseau comes up with his theories on government. He believed in what he called “a state of nature” in which people are purely instinctual and harmful, so he says people made a contract with the government to give up...

**Government Help Please**

A major feature of newly created federal system of government is that it gained its power from ____ 1) the people 2) the national government 3) the state governments 4) the executive branch of government Please help.. thanks

**Math**

A certain system can experience three different types of defects. Let Ai (i = 1,2,3) denote the event that the system has a defect of type i. probabilities are: P(A1) = 0.12 P(A2) = 0.07 P(A3) = 0.05 P(A1 union A2) = 0.13 P(A1 union A3) = 0.14 P(A2 union A3) = 0.10 P(A1 ...

**physics**

1. A 50.0 Lb box is to be moved along a rough floor at a constant velocity. The coefficient of the kinetic friction is 0.300. A. What force must you exert if you push downward on the box? B. What force must you exert if you pull upward on the box? C. Which is the better way to...

**Physics**

We study the three point charges. They are held at the corners of an equilateral triangle with ℓ = 0.7 m. What is the electric potential energy of the system of three point charges? Use for the three charges q1 = +2Q, q2 = −3Q, q3 = +Q, where Q = 120 nC

**History**

7.)Which answer best describes the U.S. National Road? A.)It ran from Atlanta to Baltimore and followed the railroad. B.)It ran from New York to Chicago and was made from wooden planks. C.)It ran from Massachusetts to Ohio and ran parallel to the canal system. D.)It ran from ...

**PHY 231**

Mass m1 = 11.3 kg is on a horizontal surface. Mass m2 = 5.70 kg hangs freely on a rope which is attached to the first mass. The coefficient of static friction between m1 and the horizontal surface is μs = 0.573, while the coefficient of kinetic friction is μk = 0.130...

**Science**

-Explain how and when the universe formed according to the big bang theory? -Explain how and when our solar system formed? -Describe one observation astronomers use to show that the universe is Expanding?

**science**

1. The liquid part of the blood is called _____. (1 point) hemoglobin plasma platelets white blood cells 2. Your circulatory system can best be compared to _____. (1 point) gates a net pipes a balloon 3. Which of the following shows the correct order of blood flow? (1 point) ...

**Social Studies (Check, Please!)**

1. In what ways did the Taft-Hartly Act hurt labor unions? A: The Taft-Hartley Act hurt labor unions in many ways. First, it outlawed the closed shop, of the practice of forcing business owners to hire only union members. Secondly, it outlawed Union shops (shops in which new ...

**science**

Which is not part of your immune system's response to a disease-causing organism? vaccination recognition disposal immunity vaccination right

**Physics**

Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m. (a) Determine the magnitude and direction of the force that charge B exerts on charge A. (b) What is the force that charge A exerts on ...

**Physics**

Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m. (a) Find the electric field on the x axis at x = 6 cm. (b) At what point on the x axis is the electric field zero?

**Math**

Explain how to solve the following system of equations. What is the solution to the new system? 2x + 2y + z = -5 3x + 4y + 2z = 0 x + 3y + 2c = 1

**Social Studies Quiz, Please help!**

I have a really good feeling about this and I think my answers are correct, I just need someone to check my answers to make sure that they really are correct because I'm freaking out and I think I'm going to flunk the quiz and I don't know why. 1. America's industrial ...

**Algebra 2**

Solve each system. x-4y-6z=-34 -7x+5y-7z=-24 z=5x-7y+18 These are my answers below but I know that they are wrong: x=-3894 y=-112852 z=-107,509,144 I have tried to solve this system probably 10 times, and still not getting an answer that checks back into the original equation...

**Math**

What is the solution set to the following system? x + y = 4 x^2 + y^2 = 16 Answers: A. {(-4, 0)(0, 4)} B. {(4, 0)(0, 4)} C. {(4, 0)(0, -4)} D. {(-4, 0)(0, -4)}

**Health and pe**

The peripheral nervous system (select all that apply) Is made up of the brain and spinal cord Links the body to the brain and spinal cord Is made up of sensory and motor neurons Is responsible for thought and reasoning Is it b and c?

**Health and pe**

The peripheral nervous system (select all that apply) Is made up of the brain and spinal cord Links the body to the brain and spinal cord Is made up of sensory and motor neurons Is responsible for thought and reasoning Is it b and c?

**Math**

Find the solution to the system of equations by substitution. 2x+5y=8 and 6x+y=10 Would the answer be (1.5,1)?

**Science**

You digestive system has three main functions: digestion, absorption, and elimination. In which organ does absorption begin? A)Mouth B)Stomach C)Small intestine D)Gallbladder I think its C.

**college**

The proposed developer employed only certified programmers. Over the past five years they have redesigned more than 50 databases for local businesses. They will add innovative new functionalities to our system, while increasing the efficiency of our current system's ...

**computer**

Give 5 operating system manufacturer and the operating system they have prod

**Science**

Which of the following is a correct description of a tornado? A large swirling low pressure system that forms over that forms over the warm Atlantic ocean. A winter storm with wind speeds of at least 56 km/h and low visibility. A violently rotating column of air in contact ...

**Technology**

Correct me if I'm wrong!! Ken Has Dipped Many Dark Chocolate Marshmallows (which helps you remember the metric system distance units in decreasing order: Kilometer, Hectometer, Decameter, Meter, Decimeter, Centimeter, Millimeter) is an example of which type of mnemonic? A. ...

**Math**

Find the solution to the system of equations by substitution. 2x+5y=8 and 6x+y=10

**operating system**

given that main memory is composed of only three page frames for public use and that a program requests pages in the following order: a,c,b,d,a.c,e,a,c,b,d,e

**Math**

solve the system of equations by substitution x=-4y x+5y=2 please help

**Health**

A main function of the skeleton system is to?

**physics**

an operating 100-watt lamp is connected to a 120-volt outlet. what is the total energy used by the lamp in 60. seconds

**maths number system**

Determine the lub and glb of the equation no 1. (2)1<equal to x <equal to 2 no 2. 2<×<5

**maths number system**

0<×<equal to 2

**Chemistry**

Combusting 44.8L of H2 with 22.4 L O2 (both at STP) results in the formation of 44.8 L of H2O if the reaction is maintained at the same conditions (STP) and goes to completion. Given the heat of formation of water (= -241.8 kK/mol) calculate a) the PV work b) the heat evolved ...

**Math**

Jamie is saving money to buy a video game system. So far he has saved $16, which is 5% of the total cost of the system. What is the cost of the video game system.

**Technology**

1. A mnemonic is a tool that you can use when you are studying to help you do which of the following? A. remember lists or large amounts of information more easily** B. write information on paper more easily C. print out information more easily D. copy and paste information ...

**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 v0y = +2...

**Physics**

A 0.0475 kg ice cube at −30.0°C is placed in 0.577 kg of 35.0°C water in a very well insulated container. The latent heat of fusion of water is 334 kJ/kg, the specific heat of ice is 2092 J/(kg · K), and the specific heat of water is 4184 J/(kg · K). The system comes...

**Socialsl studies**

Who created a caste system that separated Indians into groups?

**Math**

How many solutions does the system of equations have? 4x+16y=12 y=-1/4x+9/12 a. one b. two c. infinitely many*** d. none

**physics**

You drop 454 g of solid ice at −35°C into a bucket of water (1,200 g) at 45°C. Eventually, the ice all melts, and the entire system comes into thermal equilibrium. Find the final temperature of the system.

**Chemistry**

I am stuck on b)... Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings), ...

**Electronics Engineering Technology**

5) A microwave transmitter typically requires a +8dBm audio level to drive the input fully. If a +10dBm level is measured, what is the actual voltage level measured? Assume a 600Ω system.

**Physics**

A block and tacle of 6 pulley is used to raise a load of 300n steadily through a height of 30m if the workdone against friction is 2000j. calculate the workdone by the effort,the applied effort,the efficiency of the system

**Physics 30**

A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the floor? b. the 3.0 kg...

**Physics 30**

A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the floor? b. the 3.0 kg...

**math**

Can somebody solve this system of euation :2^x+3^y=17 2^x+2+3^y+1=5

**Accounting**

Brodigan Corporation has provided the following information concerning a capital budgeting project: Investment required in equipment $450,000 Net annual operating cash inflow $220,000 Tax rate 30% After-tax discount rate 12% The expected life of the project and the equipment ...

**Accounting**

Dukas Corporation's net cash provided by operating activities was $218,000; its net income was $203,000; its capital expenditures were $146,000; and its cash dividends were $49,000. Required: What is the company's free cash flow?

**Socil Studies**

Which of the following statements about the state executive branch System of departments and agencies are true? Mark all that apply.(2 points) (A)The system is comparable in purpose to the legislative committee system in many ways (B) All State agency heads are constitutional ...

**social studies**

How did the formation of the national action party change Mexican politics? It ended the one-party system. (MY ANSWER) It consolidated power among a few key leaders. It ended the revolution. It lessened the power of the president.

**math**

Plz help me to solve this system of equation. 2^x+3^y=17 2^x+2+3^y+1=5

**math**

Plz help me to solve this system of equation. 2^x+3^y=17 2^x+2+3^y+1

**History**

1.)Spain gave parts of Florida to the United States as a result of which of the following? A.)Monroe Doctrine B.)Manifest Destiny C.)Adams-Onis Treaty*** D.)Missouri Compromise 2.) Which event most likely made the state of Georgia more anxious to remove the Cherokee tribe from...

**Social Studies**

Which of the following state program areas consumes the largest part of the executive budget? (1 point) human services education *** natural resources transportation 2. Which state department is responsible for mental health-related issues and welfare? (1 point) human services...

**Science**

A 0.44 kg mass at the end of a horizontal spring is displaced 1.5 m and released, then moves in SHM at the end of the spring of force constant 2 N/m. Find the potential energy of the system when the spring is stretched 0.9 m. The acceleration of gravity is 9.8 m/s2 . Answer in...

**Science**

A 0.44 kg mass at the end of a horizontal spring is displaced 1.5 m and released, then moves in SHM at the end of the spring of force constant 2 N/m. Find the potential energy of the system when the spring is stretched 0.9 m. The acceleration of gravity is 9.8 m/s2 . Answer in...

**Science**

Which is not part of your immune system's response to a disease-causing organism? Answers: A. Vaccination B. Recognition C. Disposal D. Immunity My answer: D

**Science**

Miss sue can you check these thanks. which of the following describes scientific inquiry? (1 point) a statement that describes what scientists expect to happen in an experiment facts, figures, and other evidence gathered through observation the diverse ways in which scientists...

**Check 3 world history answers of mine?**

7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Conservation and preservation of the environment in America.* 10. One reason powerful nations rushed to grab colonies in the 1800s was the desire for raw materials and ...

**Check my answers for world history**

Star* by my answer 7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Ensure that goods produced by American businesses were safe for consumers.* Conservation and preservation of the environment in America. 9. Which of ...

**Chemistry -Dr. Bob**

Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings), calculate: a) the PV work...

**Check my answers for world history**

I put a star* by my answer. 1. The early 20th century Progressive Era was a response to many of the problems and issues which arose during the Gilded Age in America. True or False*? 2. Socially conscious journalists who dramatized the need for reform were known as? Social ...

**Math**

Solve the following system of equations using substitution. What is the value of Y? 2x+3y=105 x+2y=65 A. 15 B. 25 C. 40 D. 65

**Chemistry-Dr. Bob**

Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings), calculate: a) the PV work...

**Science**

1.which of the following describes scientific inquiry? (1 point) a statement that describes what scientists expect to happen in an experiment facts, figures, and other evidence gathered through observation the diverse ways in which scientists study the natural world a well-...

**Science**

1.)Check My Answers, please? Which of the following planets is considered a rocky, or terrestrial, planet? A.)Venus **** B.)Neptune C.)Saturn D.)Uranus 2.)Which of the following statements about the beginning of the solar system is true? A.)The planets that formed closest to ...

**math-linear equations**

Its a story problem: The flying W Ranch raises only cows and horses. There are total 340 animals. The owner prefers horses to cows, so he has 52 more horses than cows. a. Write two different linear equations to model this situation. b. Solve the system of linear equations ...

**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. a. y>=110 2x+2y<=...

**Math**

1. How many solutions does the system of equations have 3x=-12y+15 and x+4y=5 a. one b. two c. infinitely many*** d. none 2. How many solutions does the system of equations have y=6x+2 and 3y-18x=12 a. one b. two c. infinitely many d. none*** 3. How many solutions does the ...

**Business**

Dukas Corporation's net cash provided by operating activities $218,000; its net income was $203,000; its capital expenditures were $146,000 and its cash dividends were $49,000. What is the company's free cash flow?

**ALGEBRA HELP**

Which of the following points lie in the solution set to the following system of inequalities? y < −3x + 3 y < x + 2 (1, −5) (1, 5) (5, 1) (−1, 5)

**Check my answers Ms. Sue?**

I posted this in my last question but its not showing up for me.. But i have redone the questions you said were wrong and i was hoping you would check them again 1. How did the southern economy change after the Civil War? Shipped raw materials to northern states for processing...

**Physics**

I did the problem but i'm confused on what to do next: 1.A hunter aims directly at a target (on the same level) 120m away. (a) If the bullet leaves the gun at a speed of 250m/s, by how much will it miss the target? (b) At what angle should the gun be aimed so the target will ...

**History**

I just need some ideas for 4 questions. It sounds silly but I need inspiration. ~~~~ 4. Why would the canal developers have studied the British canal system before they designed the Erie Canal? Write four questions the developers might have asked during their studies. ~~~~ ...

**math 8**

solve the system of equations 5x+2y=11 3x-4y=4 give answer as decimal if required. any help would be appreciated, thank you

**Language**

Choose the meaning the best matches the word italics. ••Reinforcement•• The troops waited for the arrival of REINFORCEMENT before beginning the march forward into dangerous territory. Extra time to prepare for battle Additional supplies or provisions •• A system ...

**Physics**

The mass of a star in a galaxy far, far away, is 2.13 × 105 Earth masses, and the mean distance from the center of this star to the center of a planet with the same mass as our Earth is 7.87 × 108 km. Treating this planet and star as particles, with each mass concentrated at...

**Math**

Is the middle point in the Cartesian Coordinate system correctly called the origin or the center? I am referring to the (0,0) point.

**Mechanics**

A 500kg spaceship is in a circular orbit of radius 2Re above the earth a.how much energy is required to transfer the spaceship to a circular orbit of radius 4Re. b.discuss the change in potential energy,kinetic energy and the total energy of the system

**Math**

The math club had a lunch meeting where the attendees ordered either a hamburger for $2.50 or chicken strips for $3.25. The bill for the 25 lunches was $74.50. The system of equations below represents this situation. 2.50x + 3.25y = 74.50 --------------------- x + y = 25 How ...

**MATH NEED HELP ASAP!!!!!**

Henry's current age is 10 times Justin's current age. in 6 years,Henry's age will be 4 times Justin's age. Which system of equations can be used to calculate H Henry's current age J Justin's current age? A. J=10h j+6=4(H+6) B.J=H+6 J+4=H+10 C.H=10J H+6=4(j+6) D. H=10J H+4=6(j+4)

**please check my grammar**

AN.15,2016 From: Genecito Jimenez Dear sir/madam, The JIMENEZ INTERNET CAFE has been operating the business started last Oct.15,2015. There are 14 computers for the clients and 1 computer for server with the total of 15 pc's. The total amount of expenses in putting up the ...

**Math**

How do u graph a system of equations

**History**

In ancient civilizations, job specialization was a result of what? A. surpluses of food B increased interests in art C peace between rival clans D a new system of royal clans I think it is A

**Science**

Without this system in the body, you would get really sick because toxins and waste would build up? (A) Cardiovascular (B) Excretory (C) Integumentary (D) Muscular I think its A, I really need this answered.

**Finance**

What is the amount of money created in the banking system due to an initial deposit of $1,000 if the required reserve is 5%? The banks are not holding any excess reserves.

**Algebra**

Find the number of the solutions to each system. a. 4x-y+1=0 4x-y+3=0 b. 2x-y+4=0 4x-2y+8=0 Write a question that can be solved using a system of linear equations. Solve the following system of equations by graphing: y=x+3 and y=-2x-3

**Math**

1. You went to lunch with your friend, and the bill was $19.00. Your lunch is $3.00 more than your friend’s. How much was your friend’s lunch? a) f + 3 = 19; $8.00 <------------- b) 3f + 2 = 19; $8.00 c) 2f + 3 = 19; $8.00 d) 2f – 3 = 19; $8.00 2. ...

**Social Studies**

The one-child policy of 1979 was a system used to regulate population growth within this country. (1 point) a. India b. Soviet Union c. United States d. China***

**Math**

I'm not sure how to do this: There are 9 people who are going to see a movie. The total cost for the tickets is $54, with adult tickets costing $8 each and child tickets costing $5 each. Write a system of equations to represent the situation. Use a for adult tickets, and c for...

**Math**

How many solutions does this system have? –3x + 6y = 10 –3x + 6y = –4 A.none B.one*** C.infinite D.two

**Math**

Which method would be the simplest way to solve the system? y=1/2x 2x+3y=28 a. graphing b. substitution*** c. elimination d. distributive

**Math**

Which method would be the simplest way to solve the system? 7x + 5y = 19 -7x – 2y = -16 a. Graphing b. Substitution c. Elimination*** d. Distributive

**Math**

1. Tell whether the system has one solution infinitely many solutions or no solution. 9x+8y=15 9x+8y=30 a. one solution b. infinitely many solutions*** c. no solution 2. Tell whether the system has one solution infinitely many solutions or no solution. 5x-3y=10 10x+6y=20 a. ...