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Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

Math
In physics, one learns that the height of an object thrown upward from an initial height of h0 feet with an initial velocity of v0 (in feet per second) is given by the formula h(t)=−16t^2+v0t+h0 feet where t is the amount of time in seconds after the ball was thrown. ...

Chemistry
In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i beleive the minimum ...

Chemistry
In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i beleive the minimum ...

Physics
An object of mass m1 is placed on an inclined plane (angle theta above the horizontal) is connected by a string going over a pulley to a hanging object of mass m2. Determine the acceleration of the system if there is no friction between object 1 and the surface of the inclined...

Math
A car rental agency charges ​$35 per day to rent a car and ​$14.95 per day for a global positioning system​ (GPS). Customers are charged for their full tank of gas at ​$3.40 per gallon. A car has a 19 gallon tank and a GPS. a) Write a function rule for ...

Math
A car rental agency charges ​$35 per day to rent a car and ​$14.95 per day for a global positioning system​ (GPS). Customers are charged for their full tank of gas at ​$3.40 per gallon. A car has a 19 gallon tank and a GPS. a) Write a function rule for ...

Math Physics Torque Equilibrium
A uniform meterstick pivoted at its center has a 100 g mass suspended at the 21.0 cm position. At what position should a 95.0 g mass be suspended to put the system in equilibrium? What mass would have to be suspended at the 80.0 cm position for the system to be in equilibrium?

Physics
A neutron with mass 1.67e-27 kg moving with speed 5.0 × 101 km/s makes a head-on collision with a boron nucleus, originally at rest, with mass 1.66e-26 kg. A) If the collision is completely inelastic, so the particles stick together, what is the final kinetic energy of the ...

physics
The characteristics of a horizontal and undamped spring-block system are k=400N/m and M=0.3kg.The position of the block is determined by its abscissa along an x'ox axis. When the spring has its natural length then x=0. a) the spring is stretched by shifting the block by 10 cm ...

physics
what is the minimum effort required to raise a load of 5kg in an ideal pulley system taking gravity to be 10m/s/s

history
How did the Black Death affect medieval Europe? a.) It led to social upheaval and helped end the social order of the manor system. b.) It caused the Great Schism in the Roman Catholic Church. c.) It led to the Crusades and the spread of new ideas. d.) It closed down all trade ...

Chemistry
Heat from burning a fuel is absorbed by a copper calorimeter. The calorimeter has a mass of 81.34 g and contains 200.0 g of water initially at 21 degrees Celsius. a) How much heat was absorbed by the calorimeter and the water if the final temperature of the water is 36.40 ...

HISTORY HELP
which of the following does congress have the authority to do based upon the constitution ? A)Tax church services B)Regulate local tax C) regulate shipping licenses or vessels operating on rivers between D)tax the sale and consumption of oranges exported to europe from the ...

CHECK MY ANSWERS American Government
7 world history questions. My answers are: 11.D 12.D 13.B 14.A 15.C 16.C 17.B answers are also posted at the end of this. 11. Identify which fact about the amendment process best supports this quotation from the textbook. The formal amendment process emphasizes the federal ...

math
what is the solution to the following system? -2x-y=1 -4x-2y=-1

SOCIAL STUDIES (CHECK answer)
18, How would Clays American System with high tariffs on imported goods have benefited the west and south? He expected that money from tariffs would be used to help farmers ship their goods to the north He expected that Northerners would use their profits to buy farmed goods ...

Check answers for american government
My answers below 11. Identify which fact about the amendment process best supports this quotation from the textbook. The formal amendment process emphasizes the federal character of the governmental system. (1 point) Amending the Constitution is a complex process that usually ...

chemistry
A volume of 115 mL of H2O is initially at room temperature (22.00 ∘C). A chilled steel rod at 2.00 ∘C is placed in the water. If the final temperature of the system is 21.40 ∘C , what is the mass of the steel bar? Use the following values: specific heat of ...

Science
I need to make a story about digestive system and the story need to begin with a piece of food..plsssss help

Science
I need to make a story about digestive system and the story need to begin with a piece of food..plsssss help

Physics
A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 7.0 m/s at the end of 3.0 s. At that instant, the kinetic energy of the system is 60 J and each mass has moved a distance of 10.5 m. Determine the values of m1 and m2.

SS
1. The U.S. Constitution calls for how many branches of government? (1 point) two three*** four five 2. Which of the following responsibilities are held by the legislative, rather than the executive, branch? Select all that apply. (2 points) writing and voting on new laws*** ...

Physics
A 5 N ball is connected to two identical springs with spring constants k = 1.0 × 10^1 N/cm that push/pull in opposite directions and slides on a friction less surface. The ball is initially stationary and is then moved a distance x= 7 cm to the right and released from rest. A...

Biology
I'm making a study guide for this class and I'm not sure about this question.. can someone give their input? There is another effect that fertilizer had on an aquatic system. What is that called? I think it may be referring to pollution?

physics
If the momentum of one object changes in a system that is subject to no net external force, what else must happen? 1) Collisions with other objects will change its momentum back. 2) The momenta of the other objects in that system change in the same way. 3) The momenta of the ...

American History
Check my answers? 1. In what way was the government of ancient Athens different from the united states A) Athens was a direct democracy in which citizens ** B) Athens was an oligarchy ruled by the wealthy members of the council of five hundred C) Athens was a republic in which...

Algebra
graph the system of constraints find the values of x and y that maximize the objective function x+y<8 2x+y<_10 x>_0 Y>_0

university physics 2
three crates are connected by a string and pulley system. The mass of the crate hanging on the left side of the table is 0.820 kg and the mass of the crate on the table is 1.78 kg. If the coefficient of kinetic friction between the table and the 1.78 kg crate is 0.570, what is...

application programmin
I need to write code in Visual Basics 2012 for a grading system. I can do most of it but I don't know how to make it see missing grades. Also when they fail a grade the background turns red but when I clear the boxes it stays red this is my clear: Private Sub btnClear_Click(...

Social Studies
What Impact did Robert Fulton have on Farmer? A.His development of a canal system helped irrigate dry farmland. B.His development of better roadways connected farmers to the east coast. C.His invention of the steamboat allowed for cheap transportation of crops. D.His invention...

Social Studies
In the text, You read this about the bank of the united states: The bank of the united states had been a subject of dispute since its early days. The bank had greate over the nations banking system because it controlled loans made by state banks. When the banks directors ...

social studies
The national government of Uganda has supreme political authority in the country, with the local governments having limited power. This type of system is known as a A) republic. B) dictatorship. C) unitary government. D) totalitarian government.

Chem 125
Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 27.0 mL. The first bulb has a volume of 37.0 mL and contains 5.65 atm of argon, the second bulb has a volume of 250 mL and contains 2.16 atm of neon, and the third bulb has a volume ...

physics
The system shown below are in equilibrium with m = 2.90 kg If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless. Image: imgur. com/a/GCJIL

Social Studies
2. Why was Georgia so quick to ratify the constitution? A. Georgians feared that a war with the Creek Indians was coming. B. Georgian planters and merchants believe it would promote business. C. Georgians wanted a federal prison system. D. Both A and B are correct. **** 3. ...

Physics
A heat engine operating between a cold reservoir temperature of 300K and a hot reservoir takes 200J of heat from the hot reservoir and delivers 120J of heat to the cold reservoir in a cycle. The minimum temperature of the hot reservoir is :

Social studies 7
Homework Help: SS Help Posted by I like Cats on Thursday, October 6, 2016 at 12:47pm. 1. The U.S. Constitution calls for how many branches of government? A. two B. three •• C. Four D. Five 2. Which of the following responsibilities are held by the legislative, rather than ...

History
How does the federal court system decide which criminal cases to take? A) they take cases that have already seen state courts B) a grand jury decides if each case has merit •• C) they take cases that are being appealed D) a Supreme Court justice decides which cases should...

Physics
The 500 kg video display will be raised to its position 20 m above the arena floor by a motorized winch powered by a 12 volt battery. If the battery capacity is 100 A-hr and the system is 100% efficient, how many times could the display be lifted into position before the ...

Math (just need some help)
Solve the system using an augmented matrix. -x-3y=-17 2x-6y=-26 Can someone please explain what I am supposed to do in this problem?

physics
Two boxes are connected by a weightless cord running over a very light frictionless pulley as shown in the figure. Box A, of mass 8.0 kg, is initially at rest on the top of the table. The coefficient of kinetic friction between box A and the table is 0.10. Box B has a mass of ...

Algebra
Solve the system by elimination -2x + 2y + 3z = 0 -2x - y + z = -3 2x + 3y + 3z = 5

Algebra
Solve the system by substitution -x - y - z = -8 -4x + 4y + 5z = 7 2x + 2z =4

Math (Reiny please help!)
Solve the system by substitution. -x-y-z=-8 -4x+4y+5z=7 2x+2z=4 I am very confused about this. Can someone please explain how to do this?

Algebra
If x pounds of cashews valued at $6.00 per pound are to be mixed with y pounds of peanuts valued at $4.00 per pound to obtain a 40 pound cashew-peanut mixture. Find x and y so that when the mix is sold for $4.75 per pound, the same amount of revenue is collected from the sale ...

Algebra 2
Solve the system by substitution. -x-y-z=-8 -4x+4y+5z=7 2x+2z=4 I am very confused about this. Can someone please explain how to do this?

Social Studies
What was the initial purpose of the Constitutional Convention? A- to write the Constitution B- to amend the Constitution C- to amend the Articles of Confederation D- to ratify the Constitution What fundamental problem did Noah Webster see in the Articles of Confederation? A- ...

math
The equations x+ ky + 2z =0 x + (2k-1)y + 3z =0 x + ky + (k+3)z = 2k-1 Find the values of k such that a) the system has a unique solution b) the system has no solutions c) the system has infinitely many solutions THANKS

Maths
The equations x+ ky + 2z =0 x + (2k-1)y + 3z =0 x + ky + (k+3)z = 2k-1 Find the values of k such that a) the system has a unique solution b) the system has no solutions c) the system has infinitely many solutions Thanks

environmental science
the warming of the oceans causing less carbon dioxide to be soluble in them, and at the same time leaving more carbon dioxide in the atmosphere causing an increased warming of the atmosphere, is a example of a a. model of a system showing a paradigm shift. b. negative feedback...

Social Studies
Which of the following were precedents that George Washington set during his presidency? A. he established a judicial system of 9 justices that is still in place today. B. he chose well-known leaders to run his executive departments and serve his advisors. C. he established a ...

Social studies
What was one similarity between the bill of rights and the Magna Carta? A. Both outlined a structure that gave the government the right to tax its citizens B. Both established a detailed justice system C. Both provided guidelines for ensuring basic citizen rights D. Both were ...

physics
a block sits on a frictionless inclined plane, attached to another block over a frictionless pulley. the angle of the incline is 20 degrees. what is the tension in the rope and the acceleration of the system? B) what is the speed of the system after the 2kg block has fallen ...

Math
Please lead me in the right direction. I am so confused and I have been working on this one problem for an hour. I have the answer, but I want to know how to get to it. The answer is (1,1,0) Solve the system by elimination. -2x+2y+3z=0; -2x-y+z=-3; 2x+3y+3z=5

Algebra
Solve the system by elimination -2x + 2y + 3z = 0 -2x - y + z = -3 2x + 3y + 3z = 5

Algebra
Can someone please help me I'd really appreciate it Solve the system by substitution -x - y - z = -8 -4x + 4y + 5z = 7 2x + 2z =4

Algebra (really need help)
Please lead me in the right direction. I am so confused and I have been working on this one problem for an hour. I have the answer, but I want to know how to get to it. The answer is (1,1,0) Solve the system by elimination. -2x+2y+3z=0; -2x-y+z=-3; 2x+3y+3z=5

AG
1. The framers included the supremacy clause in the constitution for the purpose of a. giving the federal government complete authority over all actions of state governments. ******* b. making the individual stte governments more powerful thank the federal government. c. ...

Social Studies
1. What was the initial purpose of the Constitutional convention? a. To write the constitution b. To amend the constitution c. To amend the Articles of confederation *** d. To ratify the constitution 2. What fundamental problem did Noah Webster see in the articles of ...

Help!
Identify which fact about the amendment process best supports this quotation from the textbook the formal amendment process emphasizes the federal character of the government system. a. amending the constitution is a complex process that usually takes years to accomplish b. ...

American Governement
Which of a function of state governments that is not a function of the federal government? A)creation of a public school system B)collection of taxes**my answer C)regulation of interstate commerce D)punishment for crimes

American Government
19. One of the main reasons the Founding Fathers created federalism was because they believed that *A- dividing power among the states and the national government would prevent any governmental entity from abusing its authority. *B- local governments, if left unchecked by the ...

American Government
Why is it easier for the prime minister of Britain to pass legislation than it is for the U.S. president? * The United Kingdom is a federal system where the prime minister is chosen by the British queen. This provides the prime minister the opportunity to be politically ...

Chemistry
a sample of an ionic compound is dissolved in water and the water gets colder. what is acting as the system?what is acting as the surroundings? does the heat flow from the system to the surroundings or from the surroundings to the system? is this extothermic or endothermic?...

physics
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as follows: a m1 = 1.9-kg object at the origin of the coordinate system, a m2 = 3.4-kg object at (0, 2.0), and a m3 = 4.6-kg object at (4.0, 0). Find the ...

physics
Objects with masses m1 = 11.0 kg and m2 = 6.0 kg are connected by a light string that passes over a friction-less pulley as in the figure below. If, when the system starts from rest, m2 falls 1.00 m in 1.48 s, determine the coefficient of kinetic friction between m1 and the ...

Physics
Commercial airplanes are sometimes towed out of the passenger loading area by a tractor. The 1800 kg tractor exerts a force of 1.75 104 N backward on the pavement, and the system experiences forces resisting motion that total 2400 N. (a) If the acceleration is 0.250 m/s2, what...

Physics
Three equal masses are suspended from a frictionless, massless pulley system, as shown. Once the system has reached equilibrium, 1) what angles will the strings make with respect to the horizontal

math
The number of pounds of apples a cannery can process and the processing cost are P(h) = 375h and C(n) = 0.35n + 1000 where P(h) is the number of pounds of apples that can be processed in h hours and C(n) is the cost of processing n pounds of apples. Use composition of ...

American government. Please help!
In what way was the government of ancient Athens different from the united states A) Athens was a direct democracy in which citizens B) Athens was an oligarchy ruled by the wealthy members of the council of five hundred C) Athens was a republic in which the people voted for ...

Math
in which system do most of the data fall 1 ,2 3, or 4. plzzzzz help me

Social studies 8 A Connections academy.
1 What was the initial purpose of the Constitutional convention? To write the constitution To amend the constitution To amend the Articles of confederation <--- To ratify the constitution 2 What fundamental problem did Noah Webster see in the articles of confederation? That...

SS Help
1. The U.S. Constitution calls for how many branches of government? A. two B. three C. Four D. Five ????? 2. Which of the following responsibilities are held by the legislative, rather than the executive, branch? Select all that apply. A. writing and voting on new laws**** B. ...

Physics
Using a simply pulley/rope system, a crewman on an Arctic expedition is trying to lower a 6.17-kg crate to the bottom of a steep ravine of height 23.8 meters. The 55.6-kg crewman is walking along holding the rope, being careful to lower the crate at a constant speed of 1.50 m/...

SS Checj My ANSWERS Please
Part A What is the basic independent unit of world politics? a) country b) province c) nation* d) organization Part B Which of the following groups is an example of the basic unit you selected in the previous question? a) people who share a common language b) people who choose...

Algebra
Solve the system by substitution: -4.5x-2y=-12.15 3.25x-y=-0.75

C++
I am trying to create a program that displays shipping charges for two region codes. The region code has to have exactly 3 characters (the letter A or B followed by two numbers). Display a message if invalid region code is entered. use a sentinel value to exit program. ...

Math
A chemist needs 22 liters of a 14% acid solution. He has a 10​% solution and a 20% solution available to form the mixture. How much of each should be used to form the 14​% ​solution? I'm having a really hard time forming an equation for this. I've tried ...

American Government
Check answers? 1) When the Framers created the legislative branch of government, why did they decide that this branch would have a bicameral structure? A) They wanted to ensure equal representation for each of the thirteen states. B) The Framers formed a bicameral legislature ...

Physics
Using a simply pulley/rope system, a crewman on an Arctic expedition is trying to lower a 6.17-kg crate to the bottom of a steep ravine of height 23.8 meters. The 55.6-kg crewman is walking along holding the rope, being careful to lower the crate at a constant speed of 1.50 m/...

PLEASE HELP HISTORY
In what way was the government of ancient Athens different from the united states A) Athens was a direct democracy in which citizens B) Athens was an oligarchy ruled by the wealthy members of the council of five hundred C) Athens was a republic in which the people voted for ...

College Algebra
Let x = the number of birds that Tim has. Let y = the number of dogs that Tim has. Tim has more than twice as many dogs as he has birds. Tim has more than 2 birds. The total number of dogs and birds that Tim has is less than 11. Set up an appropriate system of linear ...

Social studies
How did George Washington create and shape our community? would these be a few ways he created a cabinet system he created the first bank he set the term limit of the president

History
. Which characteristic helped make the Gupta Empire a golden age? A) adoption of a social caste system B)conquest of neighbors C)growth of religious schools ****** D)reduction in trade

History
How did the development of the caste system affect society in India? Select all that apply. (I need to select 3) connected people through shared identities******** ensured equality among men and women of the same class********* ensured job specialization among people ...

Geography
1. Which group of colonists established the first free public education system? A. Spanish colonists B. New England colonists C. Middle state colonists D. Southern colonists 2. Of the following, which influenced the idea of self-government in the colonies? Select all they ...

Science Check my work PLS
Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly**** Scientists use models of natural systems because they like to use art in science. ...

physics
Consider a stationary skater of mass 60 kg. Another skater of mass 40kg rushes and holds the first at a speed of 12km/hr. Both skaters hold together and move as one system (S) with a speed V. a) Determine V. b) Determine the kinetic energy of (S) before and after collision.

information technology
Define the following terms: a) Connectivity b) Wireless revolution. c) Network d) Internet [8 marks] Question 2 Using Windows Operating system, describe the steps you would follow to perform the following tasks. a) De fragment the hard disk drive [3 marks] b) Add a new printer...

Social Studies
Which of the following were precedents that George Washington set during his presidency? Select all that apply He established a judicial system of nine justices that is still in place today. He chose well-known leaders to run his executive departments and serve as his advisors...

math
which equation together with x+y=1 forms a system that has a solution of (-3,4) A)y=x B) x-y=1 C)y=x=7 D) -3x+4y=1 I think the answer choice is d by sub in the numbers of -3for x and 4fory

Physics
Two blocks of masses 11 kg and 8.0 kg are connected together by a light red string and rest on a frictionless level surface. Attached to the 8-kg mass is a light blue string, which a person uses to pull both blocks horizontally. If the two-block system accelerates at 0.5 m/s2...

History PLS HELP
Which two of the following characteristics are necessary for a state to exist? Select all that apply. (2 points) 1. territory *** 2. judiciary 3. sovereignty 4. constitution 5. federal system 6. organized government *** 7. seperation of powers AM I RIGHT? PLS HELP. ONLY PICK 2

world history
1. Which statement best describes the period known as the Old Kingdom? It was a time of dynastic uncertainty. It was a time of development. It was a time of great geographic expansion.*** 2. In what way was the Nile both a benefit and a disadvantage for Egypt? It provided ...

CHE 111-03L
The following system is at equilibrium: 2X(s)+4Y(g)⇌Z(g) Classify each of the following actions by whether it causes a leftward shift, a rightward shift, or no shift in the direction of the net reaction. Half the Volume Remove Some X Double the Volume Add More X

system development
how to write a pseudocode for a system that allows user to create an account with features such as username, password, email, first name, surname, postal address

math
Solve the system of equations by finding a row echelon form for the augmented matrix. x-2y+z=8 2x+y-3z=-9 -3x+y+3z=5

maths(Quantitative Method)
Write the augmented matrix corresponding to the system of equation. 2a-3b+c=1 -a+b-4c=3 3a-b=2

phys
Two blocks of mass m1 = 1.70 kg and m2 = 5.20 kg are connected by a massless cord passing over a frictionless pulley as shown in the figure below, with θ = 41.0°. The coefficient of kinetic friction between block 1 and the horizontal surface is 0.400, and the coefficient...

Psychology
According to Hans Selye, stress is a) a specific response to a specific demand on the body. b) a cognitive, not physical, response to a threatening situation. c) any reaction that increases activity in the parasympathetic nervous system. d) a nonspecific response of the body ...

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