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Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

physics
The drawing shows two blocks that are placed at the ends of a massless board. The board is balanced on a support that serves as an axis of rotation. The block on the left has a mass of 5.8 kg. What is the moment of inertia of this system about the axis of rotation?

Physics
There is a block of mass 1 on a frictionless surface attached to a string. The string goes over a frictionless pulley. The pulley is a hoop with a rotational inertia of I=MR^2. The other end of the string is attached to a hanging block of mass 2. The hanging block is then ...

History
Which one of the following would likely be the action of one who supports the 18th Amendment? A organizing and hosting a rally for the Women’s Temperance Union B setting up a system of distribution for bootlegged alcohol C appealing to Congress that women deserve the right ...

Social Studies
in 3-5 sentences describe the apportionment system for state legislative districts I cant seem to think of any please help

math
What is the value of x + y in the solution to the system of equations below? x + 8y = 2 y = -0.25x I just need the best explanation so i can do all my other problems cause im confused.

History
1. What was the effect of the Bull moose party's entrance into the presidential election of 1912? A. It split the Republican vote and allowed the Democrats to win. ** B. It prevented any of the three parties from winning a majority of electoral votes. C. It split the ...

Check answers please: Health
1. When reading a recipe's ingredients, which substance makes the recipe an unhealthy choice if it is present in a high amount? A. Fiber B. Protein C. Trans fat*** D. Unsaturated fat 2. Of the five food groups, which one should be consumed in the smallest amount? A. Dairy*** B...

History
1. What belief united the Progressive movement? A) that society's problems could be solved B) that education needed reform C) that there should be a federal income tax D) that political bosses should not hold office 2. What was the main reason for the creation of the civil ...

algebra
Plumber chargers $60 an hour. Plumber B chargers $40 to visit your home plus $55 for each hour. for hop many hours will the total cost for each plumber be the same? how much will that cost be? Define your variables: Write a system of equations: solve the system of equation ...

Math
System Of Elimination: Greg invested $11,000 in two accounts. The first account pays 5% interest per year. The second account pays 8% interest per year. Greg earned a total of $752.50 in interest at the end of the first year. How much did Greg invest in the 5% account? ~I don'...

science
Which of the following set of terms could be used in a description of the peripheral nervous system? A)motor neurons and sensory neurons B) brain and spinal cord C)motor neurons and brain D) sensory neurons and spinal cord

American Government
5. Which of the following is an example of checks and balances in government? A. Congress can override a presidential veto by a two-thirds vote in each house. B. The legislature and judiciary work together to enact legislation. C. The president appoints the members of the ...

American Government
I want to see if my answers are right. Here are just a few for now. 1. Which statement accurately explains the key difference between the divine right of kings and a constitutional government? A. The divine right of kings and a constitutional government are based on the idea ...

Math (Elementary Linear Algebra)
Find the general flow pattern of the network. 20<---A |\B__>x(4) |/ 80<---C I believe the system of equations for A,B,&C is-A: x(1)+x(3)=20 B: x(2)=x(3)+x(4) C: 0=x(1)+x(2) Assuming flows are all nonnegative, what is the largest possible value for x(3). Sorry, this ...

science
The orbits of planets being elliptical was one the planetary laws developed by ==A. Kepler. B. Brahe. C. Ptolemy. D. Copernicus. If a car travels from Town A to Town B on one road at different speeds and stops at red lights, knowing the distance between the towns and the ...

Algebra
3. What would be the simplest way to solve the system? y=1/2x 2x + 3y = 28 A. Graphing B. Substitution***** MY ANSWER! C. Elimination D. Distributive 4. What is the solution of the system? y=-3x 2x + 3y = 6 A. (2,6) B. (-1,3) C. (-2,6)*****MY ANSWER! D. (1.5, -4.5) Please help...

History
The purpose of the totalitarian system is the creation of a new and just society. Why this goal is not achieved? / ESSAY /

physics
a truck of mass 5000kg is used to tow a jeep of mass 2500kg, the truck moves with a speed of 3.0ms(power -1) just before the towing rope becomes taut,calculate the speed of the truck just before the towing rope became taut,loss of kinetic energy of the system just after the ...

Social Studies
Buddhism became popular in part because it did not defend.... 1. dharma 2. the Hindu gods 3. the caste system**** 4. life after death This religion believes that the way to stop suffering is to stop desire 1. Buddhism*** 2. Judaism 3. Hinduism 4. Jainism This religion believes...

chemistry
Calculate ∆S universe for the process H2O (s) → H2O (l) given that ∆Hfusion = 6.02 kJ/mol and ∆S system = 22.1 J/K mol . Remember that ∆S surrounding = -∆Hsystem / T. a) -20oC b) 0oC c) 20oC

Physics
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 38 km away, 19deg north of west, and the second team as 28.7 km away, 35deg east of north. When the first team uses its...

La state history
in 3-5 sentences describe the apportionment system for state legislative districts I cant seem to think of any please help. Ms.Sue

Math show work
If a hypothetical planet in our Solar System had a sidereal period of 11.1 Earth years and a circular orbit, how far from the Sun in Astronomical Units would it be? Enter your answer to the nearest 0.01 AU.

Math
If a hypothetical planet in our Solar System had a sidereal period of 11.1 Earth years and a circular orbit, how far from the Sun in Astronomical Units would it be? Enter your answer to the nearest 0.01 AU.

PHYSIC
A PULLEY SYSTEM HAS A VELOCITY RATION OF 6 AND EFFECERIY OF 90% calculte the value of the effort required to l 500N

physics
IF a particular galaxys has a total mass of 10 to the 56 grams and the average star in that galaxy has a mass of 10 to the 35 grams, approximately how many stars are there in that galaxy? Give your answer to the nearest whole power of 10 by entering the exponent only. A ...

Math
If an object which weighs 100 lbs on the Earth's surface were placed on a planet with 2 times the radius of the Earth and with 7 times the Earth's mass, how much would that object weigh? Enter answer to nearest 0.1 lbs. The term "void ratio" means the ratio of the volume of ...

physics
1.A certain spacecraft is 3.3 AU (Astronomical Units) from Earth. How long in seconds does it take for a signal to reach the Earth after it is transmitted from the spacecraft? Hint: An AU is about 149.9 Million Km, and light moves at 299,800 Km/s. {Indicate your answer to the ...

Social Studies
Are these correct? _ The maquiladoras zone helped create jobs by encouraging development where? A. Northern Mexico (B.) Southern Mexico C. Baja Pennisula D. Mexico City suburbs _ The United States wields significant power in the A. Association of Southeast Asian Nations (ASEAN...

physics
Two cars (A and B) of mass 1.1 kg collide. Car A is initially moving at 18 m/s, and car B is initially moving in the opposite direction with a speed of 9 m/s. The two cars are moving along a straight line before and after the collision. (Enter the magnitudes.) If the two cars ...

math
Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks. Ella is starting a business selling handmade necklaces. She has decided to invest an initial amount of $57 for advertising, and materials cost $7 for each necklace ...

Math - Algebra 1
A field must be fenced in. There is 212 yards of fencing material to be used. What should the dimensions of the enclosed area be to ensure that is has the largest area possible? (system of equations) Dimensions_____________________

Math - Algebra 1
Each cow eats 4.5 cups of feed a day and the bucket it comes in contains 250 cups. The buckets cost $26.75 each. If a farm has 16 cows, how much will it cost to feed all of the cows for 1 week? (system of equations) Cost____________________

Social studies
how did the spoils system affect president james Garfield and his successor Chester A. Arthur?

Astronomy
1. How did the geocentric model explain the retrograde motion of planets? A. Earth moves faster in its orbit and passes the other planets. B. The planets move backward when they get too close to earth. C. The planets travel in circles as they move around earth in a circle. D. ...

Math 114
what is the solution of the system of equations of x-y=-3 and x+y=5? x-y=-3 x+y=5 y=x+3 0+y=5 x=3 0=0+y=5+0 y=x+3 y=5 y=3+3 y=6

Social Studies
Who's job is it to line up the votes of the members of the party that holds the most seats in a chamber? A) president pro tempore B) Speaker of the house C) Minority whip D) majority whip **** The president of the Senate also serves as the _____? A) Head of the Appropriations...

Science
why can't a model of the solar system be proportionate in distance b/w the planets and size of the planets? I think that a scale model that is proportionate could include both

physics
Four very thin rods, each 13 m long, are joined to form a square, as part (a) of the drawing shows. The center of mass of the square is located at the coordinate origin. The rod on the right is then removed, as shown in part (b) of the drawing. What are the x- and y-...

Social studies
What believe united the progressive movement? A. That societies problems could be solved B. That education needed reform C. That there should be a federal income tax D. That political bosses should not hold office What was the main reason for the creation of the civil service...

physics
A 2.9-kg cart is rolling along a frictionless, horizontal track towards a 1.5-kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certain instant before the carts ...

physics
Two arrows are fired simultaneously with the same speed of 30.0 m/s. Each arrow has a mass of 0.100 kg. One is fired due east and the other due south. What is the magnitude of the total momentum of this two-arrow system?

Math
Can someone please help me with my open needed question Solve the system by substitution -X-y-z= -8 -4+4y+5z =7 2X+2z= 4

Vector Calculus
Can someone help me with this please. A vector field in cylindrical polar co-ordinates is given by V = R Rˆ + R 3 s i n ( φ ) c o s ( φ ) φˆ + 3 z kˆ where Rˆ, φˆ, kˆ are the appropriate unit vectors. Translate this vector field into the Cartesian x, y, z co-ordinate...

vector calculus
Can someone help me with this please. A vector field in cylindrical polar co-ordinates is given by V = R Rˆ + R 3 s i n ( φ ) c o s ( φ ) φˆ + 3 z kˆ where Rˆ, φˆ, kˆ are the appropriate unit vectors. Translate this vector field into the Cartesian x, y, z co-ordinate...

geography
Describe and account the differences between the drainage pattern of the Indus system and that of Balochistan plateau.

Algebra 1
A city planning committee surveys 100 people waiting at a bus stop about the expansion of the public transportation system. Is this an example of a: random sample, systematic sample, self-selected sample, convenience sample, bipartisan sample, or stratified random sample? I ...

finance
Emma's Cabinets is looking at a project that will require $80,000 in fixed assets and another $20,000 in net working capital. The project is expected to produce annual sales of $110,000 with associated costs (other than depreciation) of $70,000. Kurt’s pay $5,000 a year as ...

AP Physics 1
A 1400 kg car is moving westward with a speed of 12 m/s, and a 3600 kg truck is traveling east with a speed of 27 m/s. Find the velocity of the center of mass of the system. Answer in units of m/sˆ

Business
The accrual accounting system is a standard system used by most businesses and is also the system used in the simulation. In relation to the rules of accrual accounting, consider the following question: What is being "unaccounted" for?

Math
Using a for airtime and w for water time ,which system of linear equations would you use to solve this problem? A stone falls from the top of a cliff into the ocean . In the air , it had an average speed of 16m/s .In the water ,it had an average speed of 3m/s before hitting ...

math
Which ordered pair is a solution to the system of equations? {4x+y=2 −2x+y=5 A. (1, -2) B. (- 1/2, 4) C. (2, -6) D. (7/2, -12)

Algebra
Solve the system by substitution. State whether the system has one solution. Infinite solutions, or no solution. 2x+y=10 x-3y=-2 I believe that the answer is x=4 y=2

American Government
Please check my answers 1. Which kind of policy was the troubled asset relief program (TARP)? A. It was a fiscal policy and I could buy the federal government to prevent inflation B. It was a monetary policy enacted by the federal government to expand the economy C. It was a ...

American Government
Check my answers please 1. Which of the following describe the role of an entrepreneur in a capitalist economic system? (I need to select 2) A. Someone who combines the factors of production into a business B. Someone who decides how much regulation the economy needs C. ...

health and P.E.
Why is fiber necessary for proper functioning of the digestive system? A:It creates cell membranes, nerve tissue, and substances that aid in the digestion of fat. B:It helps proper functioning of the digestive system and prevents constipation. C:It is important for ...

pre calc
Formulate a system of equations for the situation below and solve. Michael Perez deposited a total of $3000 with two savings institutions. Bank A pays interest at the rate of 6%/year, whereas Bank B pays interest at the rate of 7%/year. If Michael earned a total of $194 in ...

History
Your answer 8.5 (C) 1. The Federalists and the Democratic-Republicans emerged as separate political parties partly as a result of disagreement over — * 5 points how the nation should develop economically whether to enforce the Monroe Doctrine how the nation should admit new ...

math
Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. 5/4x − 2/3y = 8 1/4x + 5/3y = 7 Find the solution, if one exists.

math
Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. 3x − y = −3 6x − 2y = 8 a) one and only one solution b) infinitely many solutions c) no solution can you please show the work

American Government
Please check my answers. 1. Which of the following is a reason explaining why prison populations have increased dramatically? A. Many prisons have close down making the ones that remain overcrowded. B. Many new prisons have been built inspiring states to fill them. C. The ...

physics (mechanics)
the potential energy of a system of two particle separated by a distance r is given by u(r) = A/r , where A is constant . find the radial force Fr that each particle exerts on the other

History
3.How did Spanish colonies differ from French and English colonies? a.Missionaries sought to convert Native Americans to Christianity b.Peninsulares and creoles banned the slave trade, calling it immoral. c.The encomienda system subjected native peoples to forced labor. d.The ...

Social Studies
4.What was the encomienda system? A. a system in which Spanish monarchs shared with Native Americans the right to demand labor from peons and Africans B. a system in which the Spanish conquistadors granted Native Americans the right to demand labor from peons C. a system in ...

Physics
Draw a block and tackle system of pulleys with a velocity ratio of 5.A block and tackle with a velocity ratio of 5 is used to raise a mass of 25kg through a vertical distanceof 40cm at a steady rate. If the efforts is equal to 60N, determine a)d distance moved by the effort b)...

math
Mark is 5 years older than twice Jessica's age. The sum of their ages is 32. How old is Mark. Use M to represent Mark's age and J to represent Jessica's age. Which system of equation could be used to find mark's age? ~M=2J+5 M+2J=32 I think it is right please correct me if not...

math
2.Two cars leave Kansas City at the same time. One car is moving east and the other west. After 5 hours, the cars are 575 miles apart. One car is traveling 15 miles per hour faster than the other. Let S = the speed of the slower car and F = the speed of the faster car. If one ...

science
the body system responsible for the exchange of gases between the body and the enviroment is the

History
Converted to the Mayan number system, what would be 152 and 100? I'm confused as to how it's set up.

math
The difference of two numbers is 321. The larger number is 190 more than twice the smaller number. Which system of equations presents this information? (S = smaller number and L = larger number) I got: L-S=321(the difference) L=2S+190 What did i do wrong please help me

algebra
Graph the system of inequalities (shade each half-plane solution,not only the overall solution). y<= 3/2x+3 2x + y<10 y>-1

algebra
Please check my system of linear equations using any algebraic method. Show the check,if possible. 8x-6y=12 / 12x-9y=18 8x-6y=12 (eq.1) 12x-9y=18 (eq.2) 4x-3y=6 (eq.1) 4x-3y=6 (eq.2) y=4x-6 / 3 Check: Thank you for your help.

ENGLISH
Insert articles in the following sentences whenever required: 5 i Scientists are now beginning to worry about contamination of entire solar system. ii People often say that writer’s life is unimportant and all that matters is in books. That is usually exaggeration. iii In ...

Government
Please help me with government 1. The 10th amendment to the Constitution reads as follows: " The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people." According to the 10th...

algebra
what is the solution of the system? Use substitution. 3x-y=-9 4x -y=-4 my answer is (-5,-6) can you please help

Physics
Work done by conservative forces change only A)PE of the system B)KE of the system C) ME of the system D)None of these

Science Chemistry
Phosphorous (P) is an indispensable nutrient in food production. According to the estimates, mineral phosphorous resources will end up within 50 years and consequently new sources of P has to be found. A human excretes 2,2 g of phosphorous (P) per day on average. In ...

history
Which of the following is a major example of Abraham Lincoln's policy of leniency toward the defeated South? A. Pres Lincoln's willingness to have federal government assume responsibility of the Confederate government's war debts. B. Pres Lincoln's choice to have a Southerner...

Science
Phosphorous (P) is an indispensable nutrient in food production. According to the estimates, mineral phosphorous resources will end up within 50 years and consequently new sources of P has to be found. A human excretes 2,2 g of phosphorous (P) per day on average. In ...

Math
Is (2,12) a solution to the given system? y>2x+4 y<3x+7 Yes No What is the solution of the system of equations shown below? 2x+2y=10 5x-2y=4 (-2,7) (2,7) (2,3) (3,2) The point (-3,11) is a solution of which of the following systems? y≥x-2 2x+y≤5 y>x+8 3x+y>2 y...

American Government
1. "Americans of all ages, all conditions, and all dispositions, constantly form associations... not only for commercial and manufacturing but of a thousand other kinds -- religious, moral, serious, futile, extensive or restricted, enormous or diminutive. " -Alexis de ...

Write the system of equations as an augmented matr
-4x-y=-6 -8x-5y=-6 Solutions:

Physics
A 13 kg block(mA) rests on a level table. The coefficient of kinetic friction between the block and the table is .15. A string of negligible mass is attached to the block. The string, which is perfectly horizontal, passes through a frictionless pulley at the edge of the table ...

Algebra 1
How many solutions does this system have? 2x + y = 3 6x = 9 - 3y A) One B) None C) Infinite**** D) Two And if anyone knows the other question "connexus academy" I'd appreciate that thanks!!

Calculus
A chemical substance is draining from a conical filtering system at a rate of 100 cubic centimeters per minute into a cylindrical storage tank below. The conical filter and cylindrical tank each have a diameter of 60 centimeters, and the height of the cone also measures 60 ...

Amerian government
PLEASE PLEASE PLEASE HELP ME 1. What type of power does the Constitution grant to the Supreme Court? (1 point) executive power federal power judicial power legislative power 2. Which are examples of judicial restraint in the Supreme Court? Select all that apply. (3 points) •...

math
Two cars leave Kansas City at the same time. One car is moving east and the other west. After 5 hours, the cars are 575 miles apart. One car is traveling 15 miles per hour faster than the other. Let S = the speed of the slower car and F = the speed of the faster car. If one ...

Physics
9. Figure shows an aluminium wire of length 60 cm joined to a steel wire of length 80 cm and stretched between two fixed supports. The tension produced is 40 N. The cross-sectional area of the steei wire is 1.0 mm2 and that of the aluminium wire is 3.0 mm2. The minimum ...

Algebra
A taxi cab charges $0.55 per mile in addition to a $1.75 flat rate fee. Susie has $10 to spend on a taxi cab ride. The taxi driver will not give anyone a ride unless they are going somewhere that is more than 2 miles away. Model Susie’s situation with a system of inequalities.

Gauss-Jordan elimination
Write the system of equations as an augmented matrix. Then solve for x and y. -3x+3y=-21 3x+2y=-4

augmented matrix
Write the system of equations as an augmented matrix. Then solve for x and y. 3x+y=-11 -9x-3y=33

Gaussian Elimination Method
Write the system of equations as an augmented matrix. Then solve for x and y. -3x-y=11 -9x-2y=34 Solution =

Math
PLEASE CHACK MY ANSWER!!! Discussion for Applications of Linear Systems When solving a system of equations, how do you determine which method to use? My answer: I determine which method to use by looking at the equations. If both equations are in slope-intercept form, I choose...

Physics
A 0.50-kg mass is placed on the end of a vertical spring that has a spring constant of 75 N/m and eased down into its equilibrium position. (a) Determine the change in spring (elastic) potential energy of the system. PEs=1/2kx^2=1/2(75)(0.5)^2=9.375 (b) Determine the system...

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 other. 2. How does life in Istanbul differ from...

precalculus
can you check my work? Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x^2+y^2-4x+6y-5=0, x+y+5=0 x=-y-5 (-y-5)^2+y^2-4(-y-5)^2+6y-5=0 y=√5-5, y=-5-√5 x+√5-5+5=0 x=-√5 x-5-√5+5=0 x=√5 y=√5...

precalculus
Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x2+y2-4x+6y-5=0, x+y+5=0 answer: x=-y-5 (-y-5)2+y2-4(-y-5)2+6y-5=0 y=√5-5, y=-5-√5 x+√5-5+5=0 x=-√5 x-5-√5+5=0 x=√5 y=√5-5, y=-5-√5, x...

Algebra
Kyle has 13 coins in his pocket that are either quarters or nickels. He has $2.05 in his pocket in coins. Let q represent the number of quarters and n represent the number of nickels. The following system of equations represents this situation: q+n=13 0.25q+0.05n=2.05 How many...

History
Why did Horace Mann feel that reforming the American education system was important? It would help people attain better jobs It would help in the fight to end slavery It would help in the fight for gender equality It would help people become better christians

Maths
The diagram shows a 6 kg block resting on a rough horizontal table. It is connected by light, inextensible strings passing over two smooth pulleys to two blocks of masses 2kg and 5kg which hang vertically. Calculate the coefficient of friction between the 6kg block and the ...

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