# Homework Help: Computers: Operating Systems

## Recent Homework Questions About Operating Systems

**Astronomy**

Newton’s version of Kepler’s third law is P^2 = 4pi^2/(G(M_1+M_2)) a^3. Since the square of the period P varies inversely with the sum of the masses (M_1 + M_2), the period itself depends on the inverse square root of the object masses. If a solar system has a star that is...

**health**

What are examples of being physically active? A. Baking a cake with the family B. Playing Xbox gaming system while sitting in front of the television C. A brisk walk in the morning D. Planning an exercise regimen

**Physics**

The system of nine small 3 kg objects is rotating at an angular speed of 6 rev/s. The objects are connected by light, flexible spokes that can be lengthened or shortened. What is the new angular speed if the spokes are shortened from 6 m to 2 m?

**Pre-Calc**

Solve this system of linear equations. 5x+2y-7z=-13 9y+z=29 z=2 Is this -1, 3, 2?

**Physics**

Block B in the figure weighs 739 N. The coefficient of static friction between block and table is 0.34; angle θ is 26°; assume that the cord between B and the knot is horizontal. Find the maximum weight of block A for which the system will be stationary.

**Math**

Find all points on the x-axis of a Cartesian coordinate system that are 20 units from the point (0,12) The point (0,12) would just be 12 points up on the y axis, so wouldn't I just count 20 spaces to the left and right so it would be (20, 12) and (-20, 12)?

**math**

the units of a number is 4 more than the tens digit. If the digits are reversed the new number is 1 less than twice the original number. Use a system of equations and substitution to find the number. I'm stuck?!?!

**Algebra**

6. y = 2x - 1 and y = x + 3 ***A. (4,7) B. (7, 4) C. (-7, -4) D. infinite solutions 7. y = 4x and y + x = 5 A. (-4, 1) B. (1, 4) C. (-3, 2) ***D. (2,3) 8. What will the graph look like for a system of equations that has no solution? A. The lines will be perpendicular. ***B. ...

**Check My Answers for Science!**

1: Which of the following is the minimum level of structure needed to perform the function of waste removal? A: Body System B: Tissue C: Cell*** D: Organ 2: Which two systems work with the muscular system to allow the body to move? A: Digestive and Urinary systems B: Skeletal ...

**Science/Biology**

the vessels that contain the largest volume in the vascular system are? I think Arteries

**Fluid Mechanics**

I am trying to work a problem to find flowrate, and a time to reach equilibrium. It sets up like this: I have a tank with a volume of 400 cubic feet full of compressed air at 50psi. The tank has an 8" schedule 40 carbon steel pipe coming off of it with a valve at the tank. The...

**Quick English help**

Select the term that is best represented by each statement below. The words are: acknowledgement, acquiesce, comprise, hierarchy, parity, potentate, subjugate, subservient, tyrant, usurp. Correct me if I'm wrong! 1. "I am equality and balance." (PARITY) 2. " I am the admission...

**biology**

I got a biology project that's about the excretory system & I have to write the word excretory & draw pictures inside of the word that compares it to real life. What pictures can something be compared that involves with the system?

**computing**

You are advising one of your neighbors about the HomeGroup feature of Microsoft. He wants to make sure that all of his computers support this feature. Which one of the operating systems below does not support HomeGroup? A. Windows 7 B. Windows RT C. Windows Vista D. Windows 8

**Physics**

Block A is 4.5 kg and Block B is 2.25 kg. a. determine the mass of block C that must be placed on block A to keep it from sliding if the coefficient of static friction between block A and the table is 0.2 b. If the coefficient of kinematic friction between the surface and ...

**physics**

While the pressure remains constant at 689.5 kpaa the volume of a system of air changes from 0.567 m3 to 0.2283 m3. Determine (a) ΔU, (b) ΔH, (c) Q, (d) ΔS. (e) If the process is nonflow and internally reversible, what is the work? Cp = 0.24Btu/(lbm.° R), Cv = ...

**thermodynamics**

While the pressure remains constant at 689.5 kpaa the volume of a system of air changes from 0.567 m3 to 0.2283 m3. Determine (a) ΔU, (b) ΔH, (c) Q, (d) ΔS. (e) If the process is nonflow and internally reversible, what is the work? Cp = 0.24Btu/(lbm.° R), Cv = ...

**math**

Find the amount of money that Keaton and Jana Smith must set aside today so that they will have $5,000 available to buy a home security system to one year if the annual interest reate is 5% compounded annually.

**Math**

A class went on a field trip to see a play. Adult tickets cost $18 each and student tickets cost $12 each. There were 10 more students than adults that went to the play. If the trip cost $240 in all, how many adults and students went to see the play? Write and solve a system ...

**halp**

3. What are the solutions of the system? y = x + 5 y = x^2 - x + 2 A. (3,14) and (-1,0) B. (3,8) and (-1,4) C. (3,8) and (-1,0) D. (-3,2) and (1,6) 4. What are the solutions of the system? y = x^2 - 2x - 8 y = x + 2 A. (5,7) and (-2,0) B. (5,3) and (-2,4) C. (-5,-3) and (2,4) ...

**physics**

You throw a 0.15 kg ball straight upward from ground level with an initial speed of 15 m/s. (Yes, from ground level. This is to make the calculations easier. If it bothers you, imagine you are standing in a dugout.) Your friend throws a 0.09 kg lump of clay upward after it. ...

**physics**

An automotive suspension system consists of a combination of strings and shock absorbers, if you were an automotive engineer, would you design a suspension system that was underdamped, critically damped, or overdamped? Discuss each case.

**Physics**

A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light, frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 260 N/m, as shown in the figure below. The spring is unstretched when the ...

**World History**

These documents(Declartion of the rights of man and the citizen, English bill of rights, Marna carta , declaration of independence) established a system in which: a.The power of a leader came straight from God b. The individual was more important than the state <<< c...

**Math**

17) solve this linear system using the method of substitution. 2y-x=-10 y= -3/2x-1 20) simplify then solve by substitution 2(x-4)+y=6 3x-2(y-3)=13 just need help with these 2.

**physics**

calculate the maximum working current of an appliance rated at 2.4kw with an operating voltage of 240v

**Alg2**

How can (1/4)x-3=(1/2)x+8 be setup as a system of equations? 4y + 4x = −12 2y + 2x = 16 4y − x = −12 2y − x = 16 4y + x = −12 2y + x = 16 4y − 4x = −12 2y − 2x = 16

**World History**

1. Which of the following introduces the views of Locke’s thoughts? “Government should leave business alone…” “The royal power is absolute and the prince need render…” “Men are born free and remain free and equal…” <<<<<<< “The story ...

**physics**

calculate the maximum working current of an appliance rated at 2.4kw with an operating voltage of 240v

**Math (check plz)**

y = 2x + 4 2x - y = 6 Solve the system of equations using substitution. A) (2,8) B) (2,-8) C) (10,24) D) no solution <-- 4x + 3y = 6 -4x + 2y = 14 olve the system of equations. A) x = 1/2, y = 3 B) x = 3, y = 1/2 <-- or D? C) x = 4, y = -3/2 D) x = -3/2, y = 4

**Chemistry**

Consider the following reaction: CO2 (g) + H2 (g) CO (g) + H2O (g) Calculate the value of the equilibrium constant, Kc, for the above system, if 0.1908 moles of CO2, 0.0908 moles of H2, 0.0092 moles of CO, and 0.0092 moles of H2O vapour were present in a 2.00 L reaction vessel...

**math. metric system**

To convert from a smaller unit to a larger unit you divide or multiply or add by 10 ?

**Physics**

(a) Two boxes of different mass are at rest on a ramp. What is the minimum coefficient of static friction between the boxes and the ramp if the system is in equilibrium? Given M=(1+0.34)m (b) Suppose there is no friction between the upper box and the ramp. What is minimum ...

**MATH**

solve each system of equation by elimination: a. 3x-4=y, 3x=y+6 b. 2x=y+1, y=6-3x c. x=5y+5, 3x=7-y Thank you :))

**accounting**

You are a merchandiser that buys wild widgets from a vendor for $70 each, marks them up, and sells them for $100 each. Journalize the three transactions below.You use the perpetual inventory system and reduce inventory when it is sold. You sell 80 wild widgets to a customer on...

**Algebra**

A car's cooling system of a car has a capacity of 15 liters. suppose that it is currently full of a 40% antifreeze mixture. you want 60% antifreeze mixture so you drain some of the current mixture and then add the pure antifreeze. How much antifreeze should be added?

**physics of grade 11**

Consider a simple pendulum consisting of a small marble of mass 10 g that can be onsidered a point mass suspended from the lower end of an inextensible string of length 80 cm and whose mass is negligible. The upperstring is connected to a fixed point O .The pendulum is shifted...

**Physics**

A block of mass m1 = 3.5 kg sits on a rough, horizontal surface and is connected to a second mass m2 by a light string over a frictionless, massless pulley. The coefficient of kinetic friction between m1 and the surface is 0.41. If the acceleration of the system is 0.25m/s^2 ...

**Algebra**

Use a system of equations to solve the following problem. The local theater has three types of seats for Broadway plays: main floor, balcony, and mezzanine. Main floor tickets are $59, balcony tickets are $50, and mezzanine tickets are $40. One particular night, sales totaled...

**PHYSICS**

A light spring (k= 130 N/m) is compressed 15 cm between two masses (1.2 kg and 2.4 kg) on a frictionless surface. The system is released and the masses fly apart. Which mass will have the larger magnitude momentum? Why? Which mass will have more kinetic energy? What is the ...

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

1. What were three reasons for the growth of the youth movement of the 1960s? A: The rapid increase in enrollment at colleges throughout the nation, concern about the future, and injustices in the political and social system were three reasons for the growth of the youth ...

**prealgebra**

a local pool charges a $6 sign up fee plus $2 per visit as as summer special. Another pool runs a summer special that only charges $3 per visit. Write a system of equations to represent this situation. Is it 6+ 2x=y 3x=y

**u.s. history**

. In 1840 the population of chicago was only 4,470. by 1990 the city's population was 1, 698,575 which factor best explains the population change A- the constructuion of railroads connecting northeastern cities and Midwestern farms B- the reduction in immigration quotas on ...

**drivers ed**

1. When you are going through a crosswalk on foot, which part of the highway transportation system (HTS) includes you? (1 point) -roadway users - vehicles

**Health (can someone plz check my answers??)**

1. The functions of the respiratory system are... (there are two answers) A. To pump blood to the body B. To deliver oxygen to the body*** C. To remove carbon dioxide from the body*** D. To absorb nutrients 2. The dome-shaped muscle that lies below the lungs and is important ...

**science**

This type of auto-immune disease occurs when the immune system attacks the layer of insulation that surrounds the nerves and slows nerve impulses.

**science**

a 2,8kg trolley is moving to the right with a speed of 0,45m.s^-1. A 1.9kg brick is dropped from rest and lands on the trolley. the trolley and bRick move together across the horizontal surface. Assume an isolated system. determine the change in momentum of the trolley

**Reading**

May cause DROWSINESS ALCOHOL may intensity this effect. USE CARE when operating a car or dangerous machinery. This label appears on a bottle of medicine. Which of the following is the logical conclusion based on A. This medication must not be taken when one is tired. B. ...

**phy 231**

A mass-spring system oscillates with an amplitude of 4.00 cm. If the spring constant is 277 N/m and the mass is 573 g, a.determine the mechanical energy of the system. b.Determine the maximum speed of the object. c.Determine the maximum acceleration.

**general physics**

A string going over a massless frictionless pulley connects two blocks of masses 5.9 kg and 9.5 kg. the 5.9 kg block lies on a 31 ◦ incline; the coefficient of kinetic friction between the block and the incline is µ = 0.22. The 9.5 kg block is hanging in the air. The 9....

**social**

why Nepal is not able to implement the federal system?

**Health**

1. The functions of the respiratory system are (choose 2) A. to pump blood to the body** B. to deliver oxygen to the body** C. to remove carbon dioxide from the body D. to absorb nutrients 2. ______ is a substance in tobacco products that causes stained teeth and skin A. ...

**History**

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. 1. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail of Tears 2. Public...

**Math**

the sum of two numbers is 27. one number is 3 more than the other number. write and solve a system of equations to find the two numbers. i understand the first equation but i don't know the other one.

**Social studies**

Who held the most power under the system of feudalism? Peasants. Vassals. Lords. (MY ANSWER) Knights.

**socialstudies**

In 3–5 sentences, describe the apportionment system for state legislative districts. can someone explain to me the best way of answering this question?

**Science**

2.)which of the following statements about the solar system's formation is true? a:the temperature was very cold. b:gravity pulled together a cloud of gas and dust. c:objects formed from the same materials. d:the planets formed at the same distance from the sun. B?

**Eonomics**

How do you think the Demand and Supply patterns have changed in the United states since 2008 when the recession started? I think the recession of 2008 decreased the demand of many goods especially the "Normal" goods in the country as a result the prices of such goods were ...

**Geography and Society**

What is the Geographic Coordinate System? a. a precise measure of where a location falls in terms of longitude and latitude using units such as minutes and seconds b. a system through which countries organize airline travel c. a system that uses degrees of latitude and ...

**Physics**

Three blocks are located on a horizontal frictionless table. They are connected by a massless cord, as shown in the figure, and pulled to the right. The masses of the three blocks are m1 = 8 kg, m2 = 33 kg, and m3 = 49 kg. The pulling force is equal to T3 = 89 N. What is the ...

**Math**

Dory and Nemo go to Taco Bell for lunch. Dory orders three soft tacos and three double deckers for $11.25. Nemo pays $10.00 for four soft tacos and two Double Deckers. Write a system of equations that represents the lunch orders for Dory and Nemo. Use x to represent soft tacos...

**Georgia state history**

which behavior is an example of a delinquent behavior according to georgia's juvenile justice system jiskha? A)state court B)juvinile court C)supreme court D)magistrate court

**Health**

The various activities of the nervous system include a function such as, ________. A. Integrative B. Motor C. Sensory D. All of the above A?

**American History**

A system of government in which the power to govern is concentrated in the hands of one individual is known as? A.) Autocracy B.) Democracy C.) Theocracy D.) Oligarchy

**science**

A light inelastic string connects two objects of mass 6kg and 3kg respectively. They are pulled up an inclined plane that makes an angle of 30 degrees with the horizontal,with a force of magnitude F. Ignore the mass of the string. Calculate the tension in the string if the ...

**Foundations 06042400**

1. When a manager performs symbolic duties as the head of an organization, that manager is called a A. spokesperson. C. leader. B. figurehead. D. liaison. 2. What is one characteristic of the Industrial Revolution in America? A. The farming society grew to greater numbers. B. ...

**physics**

Consider the line passing through the center of the cue ball as the x axis. At the point of collision with the solid ball on the table, a line passing through the centers of the cue ball and the solid ball form a 45° angle with the X axis. Assume no external forces acting on ...

**Science**

Locate the centre of mass of a system of two spherical masses of 5kg and 10kg kept with their centres 1m apart

**Health**

Alcohol abuse ________ the immune system, which helps protect the body from infections. A. Moderately suppresses B. Severely suppresses C. Lightly suppresses D. Boosts It's not A. and D. Please Help!

**Physics**

You are in the supermarket, pushing a cart with a force of 92 Newtons in the horizontal direction. There is a constant force of kinetic friction operating on the cart of 16.8 Newtons. Calculate the net work done on the cart, if the cart is displaced 5.6 metres in a straight line.

**Physics**

A pulley system has a velocity ratio of 4 and an efficiency of 80%.calculate the value of the effort required to raise the load of 480N

**math**

solve the following system of equations enter the x coordinate of the solution. Round your answer to the nearest tenth. 5x+2y=22 -2x+6y=3

**Algebra**

How many solutions does this system have? x-2y=2 y=-2x+5 a. infinitely many solutions b. no solutions*** c. two solutions d. one solution

**Algebra**

Joe wants to fence a rectangular pen for his goats the length of the pen should be at least 60 ft. and the distance around should be no more than 260 ft. which system of inequalities and graph represent the possible dimensions of the pen? I truly need help on this, if you can...

**Med**

What is the influence of pressure on the respiratory system?

**Physical Science**

A car of mass m traveling at a velocity of 20m/s east on a straight level road and a truck of mass 2m travelling at 20m/s west on the same road. ignore the effects of friction. calculate the velocity of the truck-car system immediately after collision. On impact the car exerts...

**Physics**

An aluminium cessel of mass 200g, contains 0.5 litre of water. What is the heat required to raise the temperature of the system from 25 Degree centigrade to 75 Degree centigrade? (S.H.C of Aluminium 0.84X10^3J/kg dehree centigrade and S.H.C of water 4.2X10^3J/kg dehree ...

**Science**

Which statement best describes the Richter scale? A. It's named after a scientist who studied tornadoes. (B. It's a numerical rating system that measures the largest seismic waves during an earthquake.) C. It's a numerical system that measures the smallest seismic waves during...

**Algebra**

Use the given information to write a systems of equations, and then solve the system algebraically to answer the question: A car begins at rest and accelerates. Its distance in meters, t, by the formula C(t) =4t^2. A second car, 150 meters ahead, is traveling at a constant ...

**Algebra 2**

Solve the system by substitution 2x + y = -11, 3x – 4y = 11 (3, 5) (–5, –3) (–3, –5) (5, 3)

**Physics**

Hello can someone please help me with this physics question and show the work so I can understand? A box at the top of a rough incline possesses 981 joules more gravitational potential energy than it does at the bottom. As the box slides to the bottom of the incline, 245 ...

**physics help**

A homogeneous disk of mass m and of radius r free to rotate without friction about its horizontal axis, is used used as a pulley. An extensible string of negligible mass is wound around this pulley and a mass M is connected to its free end. When the system is released the ...

**MAth algebra 1**

Steve is driving to a ski resort. At first, he drove at a rate of 65 mph. Then a snow storm started and he had to slow down to 40 mph. In total. it took him 6 hours to drive 310 miles. Which system of equations represents this situation? A. 6x + y= 1 x + y= 310 B. x + y= 105 ...

**Science**

Which is a correct statement about the excretory system? A: Key organs of the system include bladder, intestines, and kidneys B: It is similar to the digestive system and that they both rid the body of waste*** C: It rids the body of food that the body did not absorb D: The ...

**Health-Please Help!!!**

1. The functions of the respiratory system are (select all that apply) A. to pump blood to your body B. to deliver oxygen to the body C. to remove carbon dioxide from the body D. to absorb nutrients 2. The dome-shaped muscle that lies below the lungs and is important in the ...

**science**

Dan wants to lift his car using a movable pulley system like the one shown in the picture. Using a movable pulley system will decrease the force needed to lift the car by increasing the A. total mass of Dan's body. B. strength contained in Dan's arms. C. total mass of the car...

**Physics**

We study the three point charges shown in the figure. They are held at the corners of an equilateral triangle with ℓ = 0.9 m. What is the electric potential energy of the system of three point charges? Use for the three charges q1 = +2Q, q2 = −3Q, and q3 = +Q, ...

**system of equations**

Suppose you are organizing a social. Let a be the fixed cost and b be the cost per person.Suppose you know it costs $1300 for 30 people and $2200 for 80 people. (a) Set up a system of (two) equations in terms of a and b:

**us history**

A subversive is someone who is trying to overthrow or undermine a government or political system from within. With this in mind, explain what the cartoon's artist was trying to convey about American society in 1947?

**Converting Units in the Metric System**

Which container could hold 80,000 milliliters

**World History**

05.06 HC)Suppose a historian wanted to argue that the Enlightenment had a more positive influence on the American Revolution than on the French Revolution. Which statement below would be the strongest evidence for the historian's view? The French Revolution overthrew a ...

**World History**

Which statement supports the claim that the political philosophy of John Locke was as revolutionary as the scientific revolution of Copernicus? *****a. Just as Copernicus replaced the Earth with the Sun at the center of the solar system, Locke replaced the individual with the ...

**World History**

Question 16 (Multiple Choice Worth 5 points) Please check: (05.05 LC)Which of the following is not considered a cause of the Enlightenment? increased availability of printed books the Scientific Revolution *******decline in the education system******** the Renaissance

**computer programing**

okay I need a little help here on next program this what it say for first one which I have done. Create a counting program that counts backward from 100 to 1 in increments of 10. #include < stdio.h > int main () { Int i; while ( I > = 1 ) { printf ( “ % d \ n “ , ...

**Algebra**

2. What is the value of x in the solution to the system of equations below? 15x – 12y = 13 30x + 9y = 4

**Algebra**

How many solutions does this system of equations have? X-2y=6 and 3x-6y=18

**History**

Hi can you guys check my answers? 1. During the election of 1824, which candidate won the popular vote and which candidate won the presidency? A. Andrew Jackson; John Quincy Adams**** B. Andrew Jackson; Andrew Jackson C. John Quincy Adam; John Quincy Adams D. John Quincy Adams...

**PLEASE CHECK IF THEY ARE CORRECT!!! THANKS**

1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere Chromosphere*************** Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? Hydrogen and ...

**physics**

5. An aluminium cessel of mass 200g, contains 0.5 litre of water. What is the heat required to raise the temperature of the system from 25 Degree centigrade to 75 Degree centigrade? (S.H.C of Aluminium 0.84X10^3J/kg dehree centigrade and S.H.C of water 4.2X10^3J/kg dehree ...

**physics**

In the figure, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude T3 = 89.3 N. If m1 = 14.2 kg, m2 = 23.6 kg, and m3 = 32.3 kg, calculate (a) the magnitude of the system's acceleration, (b) the tension T1, and (c) the ...