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Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

Physics
A spring with k=1400N/m is firmly anchored to the bottom of a swimming pool. A diver in full SCUBA gear with total mass of 100kg and density of 0.65g/cm3 holds on to the top of the spring. The system reaches a new static equilibrium. After the print is elongated by a length ...

math
Four years from now Emily will be as old as Cathy is now. Seven years ago, the sum of their ages was 22. Write a system of equations to model this situation and solve it using substitution to determine how old the girls are now.

math
The perimeter of a rectangular cattle enclosure is 400 feet. It is 40 feet longer than it is wide. Using a system of equations solve for the length and width of the enclosure using the substitution method.

Biology
The endocrine system a. affects only the reproductive system b. releases hormones into the bloodstream c. competes with the nervous system d. is made up primarily of glands with ducts I chose d. Is this correct? I want to make sure.

accounting
Walk talk manufacture a cordless telephone system . At the beginning of the financial year ending 30 Nov 2009 , the firm budgeted to make and sell 50,000 units of its only product , the NOVA at the selling price of 30 $ per unit . other budgeted information is as follows : ...

Social Studies
Please check the 6 questions with my answers. Thank you. Social Political Economic? For each of the following statements, determine whether the statement is Social, Political, and/or Economic in nature. Some statements can be two or more types. 1. "The federal government took ...

Math
A system of equations is shown below: x + y = 3 2x − y = 6 The x-coordinate of the solution to this system of equations is _____. I'm thinking it could be X=3

Ap physics 1
The mass of a star in a galaxy far, far away, is 3.12 × 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 2.46 × 108 km. Treating this planet and star as particles,with each mass concentrated at ...

Health
This type of auto-immune disease occurs when the immune system attacks the layer of insulation that surrounds the nerves and slows nerve impulses. A. asthma B. allergies C. multiple sclerosis D. rheumatoid arthritis

math written assignment help
A’s DJ service charges a $200 setup fee and $75 an hour after that. B’s DJ service charges no setup fee but costs $125 an hour. (4 points) Set up equations for both of the services using x and y. Determine the variables and provide an explanation for why you chose what ...

science
which of the following boxes below represent a stable system and describe how a disturbance to this box would affect it and use the terms center of mass and equilibrium in your response.

physics
Two blocks are arranged at the ends of a massless string as shown in the figure. The system starts from rest. When the 4.01 kg mass has fallen through 0.412 m, its downward speed is 1.3 m/s. The acceleration of gravity is 9.8 m/s 2 .

Physics
A person slides down a slope. At the end of their slide they are brought gently to rest by a large spring. Friction on the slope cannot be ignored. Draw an energy bar chart for this situation. Define your system any way you want, but clearly state how you have defined your ...

Science
1.)TRUE OR FALSE: Scientific investigations involve testable questions. * True False 2.)Which of the following would not be a reliable place to find research for a scientific investigation? * science journals experts wikipedia textbooks 3.)Why should a scientist reapeat an ...

MATH
While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...

Math-Algebra
Can I please have help as to how to solve a system using substitution? I have a quiz coming up and I want to ace it. :) Thank you.

Health
Which organ is a part of the digestive system? A. Heart B. Kidneys C. Lungs D. Anus Pretty Sure it's B. right?

computer simulation
A grocery store has three checkout lanes (checkout 1, 2, and 3), each with a single checker. Shoppers arrive at the checkout area with interarrival times having an exponential distribution with mean 2.4 minutes. The shoppers enter the lane that has the fewest number of other ...

Math
While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...

College Physics
How much energy is required to bring 10.0 grams of ice at -5.00 degrees to 105-degree steam? Assume the system is isolated so that no mass is lost to the surroundings

Science
Structure, Function, Information Processing Test: Unit2 1. Enzymes are important because they: contain water speed up chemical reactions***** contain genetic material help the cell maintain its shape. 2. Which term refers to the diffusion of water through a membrane? osmosis...

Math
While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...

Science
1.)Why is Earth’s temperature just right for life? (1 point) A.)Earth’s core is hot enough to heat Earth’s surface. B.)Earth’s magnetic field creates suitable temperatures on Earth’s surface. C.)Earth’s crust is warmed by heat from the sun. D.)Earth’s atmosphere ...

Government
Why is due process a cornerstone of the judicial system?

Algebra 2
Find the coordinates of the vertices of the figure formed by each system of inequalities. y>=-3 x<=6 y>=x-2 y<=x+5/2

AP Macroeconomics
I got this question wrong: Which of the following best describes the relationship between bank reserves, the federal funds rate, and a decrease in interest rates for consumers and business? The answer is: If the FOMC uses monetary policy to increase the amount of reserves in ...

Government
Why are plea bargains a key part of the criminal justice system?

Physics
A 35-g block of ice at -14°C is dropped into a calorimeter (of negligible heat capacity) containing 400 g of water at 0°C. When the system reaches equilibrium, how much ice is left in the calorimeter? The specific heat of ice is 2090 J(kg K) and the latent heat of fusion of ...

Biology
There is a loud crash in the room behind you and you jump. which part of your nervous system caused that response/ A. somatic nervous system? C. central nervous system D. sympathetic branch E. parasympathetic branch My teacher told me b was wrong so that's why it's missing why...

Physics, Statistics
Consider a series of 8 flips of a fair coin. (a) Calculate the probabilities for obtaining 0-8 heads. We will consider each of these nine outcomes to be macrostates of the system. (b) Calculate the entropy for each of these macrostates. I was able to figure out part A, but I'm...

Government
Imagine you are on a committee studying whether or not to make changes to the Electoral College system. What would you recommend? In a well-written paragraph, explain your position with at least three reasons.

History
3.)What Inference can you make about why George Washington never made himself a king? A.)He believed in a government ruled by the people , & even though he had the respect of many people, he didn't want to be treated like royalty. B.)He knew there were no winning generals that...

Biochem
Calculate the pH of the buffer system of 0.20M K2HPO4/0.25M KH2PO4

Chemistry
A mixture of H2 and water vapor is present in a closed vessel at 20°C. The total pressure of the system is 755.0 mmHg. Partial pressure of water vapor at 20°C equals 17.5 mmHg. What is the partial pressure of H2?

Health
What indicators would warn you that the team is planning this transition to an electronic health information management system is not functioning well? Where can I find this information or what sub- title would be appropriate for this question.

Comm Tech
3.)What Inference can you make about why George Washington never made himself a king? A.)He believed in a government ruled by the people , & even though he had the respect of many people, he didn't want to be treated like royalty. B.)He knew there were no winning generals that...

PHYSICS
two masses m1 = 12 kg and m2 = 13 kg are connected by a light inextensible string passing over a frictionless pulley. Find (a) acceleration of the system when released from rest (b) tension in the string ?

Math
Determine which system below will produce infinitely many solutions. A.-6x+3y=18 4x-3y=6 B.2x+4y=24 6x+12y=36 C.3x-y=14 -9x+3y=-42 D.5x+2y=13 -x+4y=-6 Solve the system of equations. x + 3y = −1 2x + 2y = 6 A.(-4,1) B.(2,-1) C.(4,-1) D.(5,-2) I think the answers are B for...

chemistry
​An empty glass container has a mass of 418.634 grams. It has a mass of 419.514 grams after it has been filled with nitrogen gas at a pressure of 790 mmHg and a temperature of 15oC. When the container is evacuated and refilled with a certain element X at a pressure of ...

Math
1. Find the next number in the pattern. -1, 3, 7, 11 a. 16 b.77 c.15 <------- d.13 2. Name the property of real numbers illustrated by the question. -2(x+4)=-2x-8 a.Associative prop of multiplication b. commutative prop of addition c. distributive prop <--------- d. ...

Math
At time t = 0, a set of three points A, B and C forms an equilateral triangle of side 6 cm. If two of the sides of the triangle are decreasing in length at the rate of 0.1 cm/sec and the third side is increasing at the rate of 0.1 cm/sec, how long will it take for the system ...

7th Math
I previously posted this today at 5:33 am and I am reposting this because I don't want this to be buried with other unanswered questions and I realized this was the wrong subject. How do I answer this question/problem? I can't input the following scientific notations in a ...

Algebra
How do I answer this question/problem? I can't input the following scientific notations in a calculator and would like to know how to solve it. Thank you tutors. The four other recognized dwarf planets in the solar system and their estimated masses in kilograms (kg) are: ...

Government
I think it is ( a ) or ( c ) but not sure What makes precedent important in our justice system? a) It is the current interpretation of the law. b) The US justice system does not use precedent. c) It provides a historical background but is not relevant in current cases. d) It ...

Physical Chemistry
If the n = 3 to n = 4 transition for a certain particle-in-a-box system occurs at 4.00 x 10^13 s -1 , find the frequency of the n =6 to n =9 transition in this system.

Government
I think it is ( a ) or ( c ) but not sure What makes precedent important in our justice system? a) It is the current interpretation of the law. b) The US justice system does not use precedent. c) It provides a historical background but is not relevant in current cases. d) It ...

Math
A sprinkler system is designed to water 5/9 acre of land in 1/3 hour. How many acres of land can it water in 1 hour?

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?

Algebra 1 check answers
If you were solving a system of equations and you came to a statement like 1 = 3, what do you know about the solution to the system? The solution is (1, 3). The solution is x = 1 and y = 3. There is no solution. There are infinitely many solutions. I think the answer is D or ...

Chemistry
50 Ltr. Of a certain liquid is confined in a piston system at the extenal pressure 100 atm this pressure suddenly released and liquid is expanded against a contant atm pressure , vol. Of liquid increases by 1 Ltr and the final pressure of the liquid is 10 atm. Find the work done.

science
The human stomach is an organ that helps us digest food. The stomach is one of many organs involved in the process of digestion. Others include the esophagus, small intestine, pancreas, and gall bladder. What name is given to a set of organs that work together to perform a ...

Physics
1. The problem statement, all variables and given/known data A 2.0-m measuring stick of mass 0.175 kg is resting on a table. A mass of 0.500 kg is attached to the stick at a distance of 74.0 cm from the center. Both the stick and the table surface are frictionless. The stick ...

Physics Check my work please
A mass is attached to a spring is 0.2 kg. The spring's constant is 40 N/m. The mass is stretched to a position of 0.3 m and released. The final position is 0.1 m. #1) Find the change in potential energy of the system. #2) What is the work done by the spring? #1) Change in P.E...

computer science
In a particular phase modulation system, each symbol is able to represent 6 bits. What sort of PSK is being used plain PSK QPSK 8PSK 16PSK 64PSK 256PSK

Physics Check My Work Please
A mass is attached to a spring is 0.2 kg. The spring's constant is 40 N/m. The mass is stretched to a position of 0.3 m and released. The final position is 0.1 m. #1) Find the change in potential energy of the system. #2) What is the work done by the spring? #1) Change in P.E...

History
1.)Which is the main way the Bill of Rights protected against the tyranny that the Anti-Federalists feared? A.)It established and protected the same rights for all citizens, including women and slaves. B.)It gave all of the states the same amount of power and authority as the ...

History
12.)Why was it important for states like New Jersey to have a system that allowed for each state to have equal representation in the national government? A.)Because New Jersey did not want to compromise with slave states B.)Because New Jersey favored the federal government ...

math
Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8

math
Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8

social studies
1) Diversity most closely means (1 point) a. sharing cultural traits and practices with others. ** b. making up a whole of many different parts. c. being a member of a small ethnic group. d. having many similar regions next to one another. 2) How does life in Istanbul differ ...

Chemistry Dr BOB
A voltaic cell has one half-cell with a Cu bar in a 1.00 M Cu2+ salt and the other half-cell with a Cd bar in the same volume of a 1.00 M Cd2+ salt. Report your answers to the correct number of significant figures. a)Find E degree cell, delta G degree , and K. b)As the cell ...

Intermediate Algebra
Which of the following ordered pairs is a solution to the system: 6x - 2y = 2 9x - 3y = 1

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?

Social Studies (Check, Please!)
1. What events in Roosevelt's life shaped his ideas and characters? A: Roosevelt's marrying his wife (Eleanor Roosevelt), winning a seat in the New York State Senate, becoming assistant secretary of the navy, suffering from polio, and being elected as the governor of New York ...

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?

microeconomics
A beekeeper and a farmer with an apple orchard are neighbors. This is convenient for the orchard owner since the bees pollinate the apple trees: one beehive pollinates one acre of orchard. Unfortunately, there are not enough bees next door to pollinate the whole orchard and ...

Thermodynamics
A closed cycle gas turbine unit operating with max. And min. Temp. Of 760 and 20 Celsius deg has a pressure ratio of 7/1. Calculate the thermal efficiency and work ratio? Ans = 42.7 % , 0.505 My answers are : Efficiency 42.7 % which is correct.. but work ratio = 1.977. T1 and ...

Chemistry
A chemist needs to prepare a buffer using the carbonate system (information in the table in the previous quetion) with a final pH of 10. Which components should they mix in water to product this buffer? Question options: H2CO3 HCO3- CO32-

Chemistry
A chemist needs to prepare a buffer using the carbonate system (information in the table below) with a final pH of 6. Which components should they mix in water to product this buffer? H2CO3 HCO3- CO32- pKa 6.35 10.33 N/A

differential equations
Convert x''+ sin(x) = 0 into a first order system of equations. (x'' refers to the second derivative of x). I tried: y1 = sin(x) y2 = x' {y1' = cosx {y2' = -sinx Not sure if I did it right.

Physics
In a container of negligible mass, 0.100 kg of steam at 110°C and atmospheric pressure is added to 1.00 kg of water at 20.0°C. (a) If no heat is lost to the surroundings, what is the final temperature of the system? (b) At the final temperature, how many kg of steam are ...

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 ...

physics
Shows three boxes connected by cords, one of which wraps over a pulley having negligible friction on its axle and negligible mass. The mass of the boxes are mA = 5 kg, mB = 2 kg, and mC = 3kg. When the system is released from rest, Calculate (a) the acceleration of the system ...

Computer Science
(From Lesson 17 of Blue Pelican Java) Use the following code for problems 1 – 15. In each problem state what’s printed. String s = “Lucky hockey puck”; String m = “uck”; int j = 6, z = 99; 1. int k = s.indexOf(m); System.out.println(k); 2. int k = s.indexOf(“uck...

physics
Note: The direction of the acceleration ~a of the system is given in the figure. Three masses (17 kg, 21 kg and 67 kg) are connected by strings. The 67 kg mass slides on a horizontal surface of a table top and the 17 kg and 21 kg masses hang over the edge of the surface. The ...

English 1
Can someone please check these. I answered what I thought was right; therefore, I did not know three of them which are 16, 17, and 19. 6. Compare and contrast the poem “Mexicans Begin Jogging” and the story “Delfino II: Diez in the Desert.” a. Both are written about ...

physics
Two blocks of masses m1=5 and m2=6 kg are on either side of the wedge shown below. Assume the surface and the pulley are frictionless. Find A)the direction this system will accelerate B) the acceleration of m1 and m2 C) the tension in the rope did I do this right? how do I ...

physics
Two blocks of masses m1=5 and m2=6 kg are on either side of the wedge shown below. Assume the surface and the pulley are frictionless. Find A)the direction this system will accelerate B) the acceleration of m1 and m2 C) the tension in the rope did I do this right? how do I ...

Physics
In a machine a cylinder with a mass of 80.0 g is pushed down into a hole with a spring at the bottom as shown in Figure 1. When the spring is uncompressed the cylinder rests on top of it with its end just at the entrance to the hole. The cylinder is pushed by a rod which is ...

Physics
A low friction cart (similar to what you use in the lab) collides with a second low friction cart. Cart A has a mass of 0.500 kg and cart B has a mass of 0.750 kg. Glider A was moving at 40.0 cm/s before the collision. Glider B was at rest. (a) The carts have velcro on them so...

physics
5kg particle is atteched at a rim of arotating wheel of radius 2m. the wheel completes each revolution in 3 seconds. The total moment of inertia of the system(I partics+I wheel) is 2kg.m^2 A.determine the rotational kinetic energy of the system? B.the work needed to stop the ...

Physics
In a machine a cylinder with a mass of 80.0 g is pushed down into a hole with a spring at the bottom as shown in Figure 1. When the spring is uncompressed the cylinder rests on top of it with its end just at the entrance to the hole. The cylinder is pushed by a rod which is ...

Physics
3. A low friction cart (similar to what you use in the lab) collides with a second low friction cart. Cart A has a mass of 0.500 kg and cart B has a mass of 0.750 kg. Glider A was moving at 40.0 cm/s before the collision. Glider B was at rest. (a) The carts have velcro on them...

Physics
The typical lifetime of a star like our Sun is 10 billion years. While a star like our Sun is able to generate energy in its core (through fusion) the thermal pressure balances the gravitational pressure from the Sun’s mass. However, once the star rules our of hydrogen, ...

Math
Solve the following system of equations by graphing. If the system is inconsistent or the equations are dependent, say so 5x-2y=3 10x-4y=6 I know the equations are dependent but I am confused on what is the solution set I'm thinking its (10x-4y=6) but I'm really not sure.

English
Combine these two simple sentences into a complex sentence. Many industrialized nations use the metric system. The United States refuses to adopt it. A. Although many industrialized nations use the metric system, the United States refuses to adopt it. B. Many industrialized ...

Physics
Two objects of different masses are joined by a light rod. a) Id the moment of inertia about the center of mas the minimum or maximum and why? b) If the two masses are 3kg and 5kg and the length of the rod is 2m, what are the moments of inertia of the system about an axis ...

Government
Why does the U.S. have a dual judicial system

mathematics
solve the following system of inequalities graphically 3x+2y<150, x+4y<80, x<80,x>0,y>0

US Legal system and branches of government
consider the definition of private law and public law. Discuss the difference between these two sources of law. support with example.

US Legal system and branches of government
write 200 word on the three executive offices which affect the health information profession.

U.S Hisotry. Please check my answers.
Why is the United States often referred to as the melting pot? -Various cultures from many countries have "melted" together to create what America is and how American culture is defined today** -Most American citizens' native customs and traditions will "melt" away once they ...

Algebra 2 (Math)
Solve by the system of equations by substitution. x + 2y + z = 14 y = z + 1 x = -3z + 6 Anyone able to help me with this? I've been stuck on it all day and can't seem to solve it, it doesn't make any sense to me.

Algebra 2
Name the vertices and then find the values of x and y that minimize the objective function. x >= 2 y >= 0 3x + 2y >= 12 Minimum for C = x + 5y Help with system of constraints please! I'm terrible at this...

Social Studies (Check, Please!)
1. What events in Roosevelt's life shaped his ideas and characters? A: Roosevelt winning a seat in the New York State Senate, becoming assistant secretary of the navy, suffering from polio, and being elected as the governor of New York were the life events that shaped his ...

IT
A list of tasks to be completed by a company for a special project is C Detailed Invoice Statement of Work Statement of Workload System Workload

Physics
A container is initially partitioned by a wall into two compartments. The left compartment has volume V1 and the right compartment has volume V2. Both compartments are filled with identical ideal gases at the same temperature T and with an equal number of particles N but at ...

Physics
The efficiency of a pulley system is 47 percent. The pulleys are used to raise a mass of 47 kg to a height of 7.0 m. The acceleration of gravity is 9.81 m/s 2 . What force is exerted on the rope of the pulley system if the rope is pulled for 28 m in order to raise the mass to ...

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Homework Help: Computers

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