# Homework Help: Computers: Operating Systems

## Recent Homework Questions About Operating Systems

What advantages does the method of substitution have over graphing for solving systems of equations? Choose the correct answer below. A. Graphing cannot be used to solve dependent or inconsistent systems due to the nature of the lines involved. Substitution can solve these. B...

Algebra 1
Solve the following system of equations. You will type your x value in the first part and the y value in the second part of the question. If the answer is no solution then type NS in both parts and if the the answer is infinite solutions then type I in both parts. y = 2/5 x- ...

Math
One equation in a system of linear equations has a slope of -3. the other equation has a slope of 4. how many solutions does the system have? explain

History
Which accomplishment most likely helped the Incan emperor maintain rule over widespread lands? A The Inca built a vast network of roads B The Inca developed a uniform system of writing C The Incan emperor claimed ownership of all land D The Incan emperor requires all subjects ...

Chem Help
For the reaction, XBr2(g) <--------> X(g) + Br2(g), if a container is charged to an initial concentration, [XBr2] = 2.00 mol/L and the system allowed to react and come to equilibrium, if Kc = 4.0 x 10-8, what is the concentration of X(g) at equilibrium? This is what I ...

Algebra
Which graph represents the solution to the given system? -2x + 5y = -10 and -3x + 5y = -20

Algebra 1
Which cannot describe a system of linear equations? a) no solution b) exactly two solutions c) infinite solutions**** d) exactly one solution To be honest I think the answer is C. Please Help!

Science
If water with the mass of 15.0 grams is heated into water vapor in a closed system such as a closed glass jar, what is the mass of the gas after the water completely vaporizes? A) 13.5 grams B) 15.0 grams C) 16.5 grams D) The mass cannot be determined without knowing the volume.

Social Studies
Why were many countries still dependent on outside help from other nations, such as the United States, following their independence in the 1800s? A. The colonies were weak, and other nations promised to maintain military bases in their countries in order to prevent further ...

Science
Which of the following is NOT a function of the skeletal system? 1)supports the body 2)works with other body systems to allow movement 3)manufactures new blood cells 4)sends signals to the brain I think #3. Can you check? Thanks

Social Studies
Why were many countries still dependent on outside help from other nations, such as the United States, following their independence in the 1800s? A. The colonies were weak, and other nations promised to maintain military bases in their countries in order to prevent further ...

SCIENCe
1.name the componets of the respiratory system in the order incoming encounter them during breathing. 1.trachea,pharynx,larynx,alveoli,bronchi​ 2.bronchi,larynx,alveoli,trachea,pharynx​ 3.larynx,trachea,bronchi,pharynx,alveoli​ 4.pharynx,larynx,trachea,...

history
“Permit us, then, earnestly to recommend these articles to the immediate and dispassionate attention of the legislatures of the respected states. Let them be candidly reviewed under a sense of the difficulty of combining in one system the various sentiments and interests of ...

Algebra Assignment
An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16 cups of apples and 15 cups of flour. When you sell these at the Farmer’s Market you make \$3.00 profit per apple pie and \$2.00 profit per apple ...

Sociology
Please check my answers. 1. All societies use technology, but the chief characteristic of postmodern societies is technology that increase the ability to A. Use fossil fuels more efficiently B. Analyze information, communicate, and travel* C. Employ more people in the primary ...

Constitutions and Government
Which statement correctly describes U.S. constitutional government? 1. U.S. government follows a federal system that divides powers. 2. U.S. government has relied on the same unchanged constitution for 200 years. 3. U.S. government was the first to use a constitutional system...

Chem help
Consider the following system, which is at equilibrium, CO(g) + 3 H2(g) <--------> CH4(g) + H2O(g). The result of removing some CH4(g) and H2O(g) from the system will be A. more CH4 is consumed to restore the equilibrium B. Kc decreases C. more H2O(g) is consumed to ...

Calculus
The acceleration function (in m/s2) and the initial velocity v(0) are given for a particle moving along a line. a(t) = 2t + 2,    v(0) = −3,   0 ≤ t ≤ 5 (a) Find the velocity at time t. v(t) = t^2+2t-3 m/s (b) Find the distance traveled during the given time interval...

Feedback Control
The goal of this project is to model the longitudinal motion of a Segway and design a PID controller for it. The model must include the dynamics of the inverted pendulum on two wheels, as shown on Figure 1 (left), and the model of the DC motors (same as ) that actuate the ...

Science
Which represents the correct functional order (first to last) of the human digestive system? A) mouth→esophagus→stomach→large intestine→small intestine→rectum B) mouth→esophagus→stomach→small intestine→large intestine→rectum C) mouth→esophagus→small ...

SOC 320 Public policy
The U.S. health care system, prior to the passage of the Patient Protection Affordable Care Act, could best be described as a a: market maximized system.

service management
If another mechanic is hired, fill up the table below and answer the following questions (1pt): a. Which configuration has the lowest Ls? b. Which configuration has the lowest Ws? c. Which configuration has the lowest Wq? d. Which configuration has the lowest Total Cost (...

Science
A man wakes from sleep, hears a strange noise, becomes alarmed and runs downstairs. Which of the following describes the corresponding events taking place in his nervous system ? 1)sensory neuron>spinal neuro>brain>motor neuron 2)sensory neuron>brain>spinal cord...

Science
Which of the following sets of terms could be used in a description of the peripheral nervous system? 1)motor neurons 2)brain and spinal cord 3)motor neurons 4)sensory neurons and spinal cord I think #1. Can you check? Thanks.

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 ...

Math
CHECK AND CORRECT MY ANSWERS PLEASE!! ASAP!! THANKS!!xx Write the fraction 5/6 as a percent. Round to the nearest hundredth of a percent where necessary. 33.33% 66.67% 83.33%** 1.20% Write the decimal 0.237 as a percent. 0.237% 2.37% 23.7%** 237% Ashley used 2/5 of her savings...

My answers have the star 1. The nervous system is the body’s ______________ network. (1 point) communication*** organization reactive production 2. The central nervous system (CNS) consists of the brain and the ___________. (1 point) heart neural network skeletal system ...

Science
before you say "The answers are in your text" I don't have one this is based on memory and guessing. Welcome to the 2017 school system. 1. Objects with like charges ___________ each other while opposite charges ______________ each other. 2. The direction of an electric field ...

World history
Which of the following did NOT contribute to an increase in food production and population growth during the Middle Ages? A) the invention of the ox collar B) a climate change C) a heavy, wheeled plow with an iron plowshare D) a three-field system of crop rotation

physics
A 200g mass is attached to a spring and allowed to execute simple harmonic motion with a period of 0.25seconds. If the total energy of the system is 2.0 joules, find the force constant of the spring and the amplitude of the motion.

algebra 1
How many solutions does this system have-2x+y=3 6x=9-3y A. one B. none C. infinite D. two A??

information systems
Assignment: You are required to briefly but properly document the functional requirements for an INVENTORY INFORMATION SYSTEM by creating the following using the correct symbols: 1. The description of the selected information system in the selected business 2. Use Case ...

Algebra
John is planning to build an arched trellis for the entrance to his botanical garden. The arch is to be in the shape of the upper half of an ellipse that is 4 feet wide at the base and 7 feet high. Find the equation for the ellipse when a rectangular coordinate system is ...

History
Which accurately describes the Columbian Exchange during the Age of Discovery? The Columbian Exchange was a system of cultural sharing developed by Columbus and the natives on the island of Hispaniola. The Columbian Exchange was the transfer of plants, animals, people, and ...

math
Solve the following system: 2x-6y = 26 3x+5y = -3

MATH HELP ASAP
Levi earns \$6.25 per hour working after school. He needs at least \$143.75 for a stereo System how many hours h does he need to work to reach his goal? A) h/ 6.25 > 143.75;h> 23;23hours*** B) 6.25h(<underlined)143.75;h (< underlined) 23;23hours C)h/6.25< 143.75;h...

1. What value in American identity is most fundamental to the U.S. political system? A. indivual rights B. social conformity C. national security D. freedom from rule 2. Why was the Voting Rights Act of 1965 necessary A. Each citezen must be ruled by the same laws. B. Each ...

As Physics
Use the equations below: P=mv Ek=1/2mv^2 1) During a docking manoeuvre, a supply pod of mass 4000kg accidentally collides with a small space station of mass 100,000 kg, at a relative velocity of 2.00ms-1. The pod attaches to the station. You can assume that the space station ...

Math
Inside a triangle formed by the line 3x+4y=1 and the positive coordinate axis, inscribe a square with three of the vertices on the coordinate axes and one vertex on the line. 1) Find the length of a side of the square. In the triangular region described above inscribe a ...

Finance
Fox Hollow Franks is looking at a new system with an installed cost of \$540,000. This equipment is depreciated at a rate of 20 percent per year (Class 8) over the project’s five-year life, at the end of which the sausage system can be sold for \$80,000. The sausage system ...

physics
A light string of length of 56.0 cm connects two small square blocks, each with a mass of 1.50 kg. The system is placed on a slippery (frictionless) sheet of horizontal ice and spun so the two blocks rotate uniformly about their common center of mass, which itself does not ...

AP physics multiple choice
Consider a system like the example problem where a batting machine swings a bat but instead of a baseball, the bat hits a lump of clay, which sticks to the end of the bat. How does the angular momentum of the clay and bat after the collision compare to the angular momentum of ...

p.e.
without this system in your body you would really get sick because toxins and wastes would build up. 1. cardiovascular 2. excretory 3. intugumentary **** 4. muscular

Physics
9. Two blocks connected by a cord passing over a small frictionless pulley rest on frictionless planes as shown in the figure below. (a) Which way will the system move? (b) What is the acceleration of the block? (c) What is the tension in the cord?

Physics
Body A of mass 5kg and body B of mass 3kg are connected by a light string. If the coefficients of friction for A and B are 0.4 and 0.2 respectively, find the acceleration of the system and the tension in the string

Physics
1.A block of masses mA is on a plane inclined at an angle θ with the horizontal. It is attached to another mass mB by means of string that passes over a pulley at the top of the incline. For mA = 8kg, mB = 5kg, θ = 20o, and the coefficient of kinetic friction between mA and ...

Algebra
Graph the solution set of the system of inequalities and give the exact coordinates of the intersection points of the related equations: y>x^2 -8 X+y≤1, The closest points I'm getting is (-2.5,-1.8) and (2.5,-1.5) but I feel like they're incorrect

CAlculuss
Solve the equations algebraivally, test the solution for validity, and graph the system to check your number of solutions. x^2-2y^2=2 xy=2

Algebra I
For the following system of equations, what is the x value of the solution? -x + 2y =6 6y = x + 18

History
How successful is the American enterprise system ?

English
A system that does not allow a worker to fail will not _________________ . be sued allow a worker to succeed fail as a system A?

Science
which of the following summarizes the function of the respiratory system? 1) transport oxygen to cells and wastes away from ells. 2)to protect the organs in the chest cavity. 3)to move oxygen from the air into the body and carbon dioxide from the body into the air 4) to ...

English
Question 4 (multiple choice) A system that does not allow a worker to fail will not _________________ . be sued allow a worker to succeed fail as a system C? Question 5 (multiple choice) An apprentice is a worker who ____________________ . can't be trusted to work alone is ...

Physics
Calculate the specific heat capacity of substance x from the following data. A container made of the substance x has a mass of 3.6kg and contains 14kg of water. A 1.8kg-piece of the substance x initially at the temperature of 180°C is dropped into the water. The container and...

Astronomy
Hi! 7. Which of the following was the earliest solar system model to exist? (1 point) a) Aristotelian b) heliocentric c) Copernican d) Ptolemaic My Answer: D Could someone please help me? Thanks! - Da Fash

Social studies
Why did Horace Mann feel that reforming the American education system was important? A. it would help people attain better jobs B. it would help in the fight to end slavery C. it would help in the fight for gender equality D. it would help people become better Christians My ...

Math/calculus HELPPP
Graph the system of inequalities, and label each with a vertex with its coordinates. y-2x≥-3 y+3>−x 3y−2​x≤12 2y+x<8 I did graph this but I'm having a hard time to label each vertex with its coordinates.

Physics
A 66000 kg iceberg at −6.7◦C breaks away from the polar ice shelf and floats away into the ocean at 6.36◦C. What is the final change in the entropy of the system, when the iceberg has completely melted? The specific heat of ice is 2010 J/kg ·◦C.

Physics
A 100kg man stands initially on the left end of a 60 kg, flat-bottomed fishing boat that is 10 meters long. This end of the fishing boat is 60 meters from shore. No external forces act on the boat, such as air or water friction. If the man walks to the opposite end (right end...

Science
Which of the following body systems does the immune system rely on to provide the first line of defense against pathogens. A. Integumentary system B. Nervous system C. circulatory system D. endocrine system I think it is C

Names in American Society
In American society, most people take on the last name of their father at their birth. This kind of system is known as what? I've seen someone ask this question on a different site and had wanted to answer them. I thought I had the term. Does it start with an "a?" Thanks for ...

Physics HELP
A 2.0-m measuring stick of mass 0.215 kg is resting on a table. A mass of 0.500 kg is attached to the stick at a distance of 72.0 cm from the centre. Both the stick and the table surface are frictionless. The stick rotates with an angular speed of 6.50 rad/s. (a) If the stick ...

History
Respond to a statement: The American Free Enterprise system is alive and well. If you don’t mind could you send me a link related to this statement

physics
A “swing” ride at a carnival consists of chairs that are swung in a circle by 13.5 m long cables attached to a vertical rotating pole, as the drawing shows. Note that the cables make an angle of 60.0o with respect to the vertical, as shown. Suppose the total mass of a ...

social studies
In what type of economic system do individuals own most of the businesses? A democracy B communism C capitalism D socialism c is my answer

GSPRITE
1.what does economy have to do with money?explain.2.how does geography impact people.3.name a person who had impact on the world/society? Explain how.4.name two types of technology that have changed the world and explain how.5. identify 2 groups of people within the world.6....

math
Solve each linear system. Verify each solution by substituting the coordinates of your solutino into both equations. a) y = -x and y = x - 6 b) x - y = 8 and x + 2y = 2

character education
Why are mistakes made knowingly harder to correct? they are more expensive they involve changing a mind, heart, or belief system they involve a lot of education B

Math
Solve the following system of equations 1. X+y-z= 6 2x-y +z=-9 X-2y+3z=1 2. x+z=-3 y+z=3 x+y=8

Social Studdies, Ms. Sue please check!
1. Which of The following provides the definition of a nation? A. The Highest elected officials in a country B. The are ruled by an independent government C. A country with defined borders and foreign policy enforced by a military D. A people with a shared history who live in ...

Anatomy and Physiology
Hello! Thanks for checking my question out! ____ 32. Which of the following statements is not true about the immune system? (1 point) a) In children, lymphatic tissues such as adenoids, tonsils, and lymph nodes enlarge as growth continues and from exposure to microorganisms. b...

Anatomy and Physiology
Hello! ____ 36. What system works with the cardiovascular system to regulate temperature in the body? (1 point) a) nervous b) respiratory c) immune d) integumentary My Answer: D I'm confused here, due to the fact that both the nervous and integumentary system help regulate ...

Math
The cooling system of a car has a capacity of 20 liters. If the system is currently filled with a mixture that is 60​% ​antifreeze, how much of this mixture should be drained and replaced with pure antifreeze so that the system is filled with a solution that is 70% ​...

Can I have these answers checked... 1. Which of The following provides the definition of a nation? A. The Highest elected officials in a country B. The are ruled by an independent government C. A country with defined borders and foreign policy enforced by a military*** D. A ...

History
Which accurately compares the theology that dominated during the Middle Ages with the philosophy that came to prominence during the Renaissance? (Select all that apply.) a. The Middle Ages followed humanist ideals, whereas the Renaissance followed a feudal system with a ...

History
Which of the following is an example of the president's power of recognition? A:The president recognizes the Senate's approval of a treaty B:The president receives foreign diplomats*** C:The president approves another country's political system D:The president recognizes ...

math
Write a system of equations, three equations/three unknowns, that has (1, 2, 3) as the solution. for this can I just write any random coefficient and then put that as equal to 1,2 or 3? or if not what type of math would I use?

Physics
The masses are each initially 1.8m above the ground, and the massless frictionless pulley is 4.8m above the ground. (a) calculate the velocity of the lighter mass at the instance the heavier mass hits the ground. (b) find the maximum height reached by the lighter object (from ...

Physics
The masses are each initially 1.8m above the ground, and the massless frictionless pulley is 4.8m above the ground. (a) calculate the velocity of the lighter mass at the instance the heavier mass hits the ground. (b) find the maximum height reached by the lighter object (from ...

math
Write a system of equations, three equations/three unknowns, that has (1, 2, 3) as the solution.

math
At a local coffee shop, one customer purchased two muffins and three cups of coffee for \$14.47. Another customer ordered 3 muffins and 5 cups of coffee for \$23.30. Write and solve a system of equations to find the price of a single muffin and a single cup of coffee.

Which is a system in which kinds, rulers, and other wealthy individuals provided financial and other support to arts? feudalism commissions patronage* all of the above

Anatomy
The negative feedback system is based on a low level of hormone A. preventing the kidneys from excreting the hormone. B. causing another gland to secrete a similar hormone. C. causing the gland to decrease secretion of the hormone. D. causing the gland to increase secretion of...

History
Rule by tyranny or by a leader with absolute power is called __________. Monarchy? Which identifies a contagious disease spread by the bites of fleas carried by rats that killed up to 60 percent of Medieval Europe’s population? bubonic plaque? A breakup of a religious group ...

american government
1. Which of the following government actions have the greatest impact on promoting racial equality and housing? A. The passage of the title IX amendment to the civil rights act of 1964 B. The passage of the civil rights act of 1968 C. The Supreme Court ruling in Plessy versus ...

chemistry
calculate tge pH of a buffer system containing 1.0M CH3COOH and 0.1M CH3COONa

History
Which accurately describes one of Sir Isaac Newton’s advancements in astronomy? using a barometer, Newton was able to prove Copernicus heliocentric theory using trigonometry, Newton was able to calculate the size of our solar system newton invented the reflecting telescope, ...

History
Which best describes why revolutionaries were seeking to change French society during the French Revolution? revolutionaries, primarily poor, were seeking to overthrow a greedy aristocracy revolutionaries were seeking better working conditions and new child labor laws ...

History
Read the sentence. Nicholas Copernicus is best known for publishing works on his deathbed that discussed __________. Which most accurately completes the sentence? heliocentric theory and planetary orbits, including the orbit of the earth moon string theory, which is ...

Algebra
Last question to my quiz! I need help. 9. Solve the system by substitution. {-x – y – z = -8 {-4 + 4y + 5z = 7 {2x + 2z = 4

Algebra
I don’t know how to do these.. 8. Solve the system by elimination. {-2x + 2y + 3z = 0 {-2x – y + z = -3 {2x + 3y + 3z = 5 9. Solve the system by substitution. {-x – y – z = -8 {-4 + 4y + 5z = 7 {2x + 2z = 4

math
solve this system of equations using the linear combination method -3x+12y=-27 5x+20y=15

social studies
How did horace mann feel that reforming the american educational system was important? A. it would help people attain better jobs B. it would help in the fight to end slavery C. it would help in the fight for gender equality D. it would help people become better christians

History
5. What was one reason for the formation of the democratic Republican Party? A Washington’s cabinet members wanted to form a new party to strengthen the federal government. B Thomas Jefferson’s views clashed with those of Alexander Hamilton *** C the alien and sedition ...

History
Why did the British Parliament create the English Bill of Rights? to establish rights for woman to end the tyranny of the court system to approve a pay raise for representatives the strengthen the rights of citizens D?

History
Which most accurately describes the governmental policies of Louis XIV of France? To implement a laizzes-faire system of government, providing economic power to citizens to institute an isolationist policy of foreign affairs and focus squarely on domestic concerns to assume ...

Science
Please help check my answers 1. On a weather map, the center of the mid-latitude cyclone is labeled as an area (high/low) __________pressure. 2. On a weather map, a mid-latitude cyclone usually forms between these latitudes: A. 90 degrees and 180 degrees B. 0 degrees and 30 ...

History
Hey, everyone! Do you mind helping me check my history questions for accuracy? Thanks! 1. "Living by Faith" by Charles G. Finny is representative of which of the following movements? a. Revivalism b. Transcendentalism c. Nativism d. Deism My Answer: A 2. The "Year of ...

History
Which accurately describes the role of British corporations in the New World and their effect on colonists’ opinions of England’s monarchy? colonist were forced to purchase their goods only from British corporations, adding a colonial animosity toward England corporations ...

Health
1. Your respiratory system is the system in your body that is responsible for breathing. True False 2. The lungs are made up of thick fibrous tissue. True False 3. Internal respiration takes place in the alveoli. True False 4. The alveoli are located at the end of the bronchi...

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