Saturday
July 4, 2015

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

algebra
Translate to a system of equations but do not solve. One canned juice drink is 20% orange juice; another is 10% orange juice. How many liters of each should be mixed together in order to get 10L that is 13% orange juice? How many liters of the 20% orange juice should be in the...
Tuesday, January 13, 2015 by slomomo

algebra
One evening 1500 concert tickets were sold for the Fairmont Summer Jazz Festival. Tickets cost $25 for covered pavilion seats and $20 for lawn seats. Total receipts were $35,000. How many of each type of tickets were sold? Let x equal the number of pavilion seats sold. Let y ...
Tuesday, January 13, 2015 by Anonymous

algebra
solve the system of equations using the substitution method 8x - 9 = y y - 8x = -4
Tuesday, January 13, 2015 by Anonymous

science
Which systems move the human body? I heard there were the skeletal, nervous, and muscular system. ??
Tuesday, January 13, 2015 by anonymous

algebra
Solve the given system by the substitution method. 3x + y = 17 5x -2y = 10
Tuesday, January 13, 2015 by Anonymous

algebra
solve the system of equations using the substitution method 8x - 9 = y, y - 8x = 4
Tuesday, January 13, 2015 by Anonymous

math
San Diego left San Francisco on Tuesday at 6.30 p.m. and took 8 hours 45 minutes to reach his home. On what day and at what time in a 24 hour system did he reach home?
Monday, January 12, 2015 by king

Math
Brenda's School is selling tickets to a spring musical. On the first day of ticket sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in $67 on the second day by selling 8 senior citizen tickets and 5 child tickets Set up...
Monday, January 12, 2015 by M

Maths
a missile guidance system has five fail-safe components. the probability of each failing is 0.05. find these probabilities. a) Exactly 2 will fail b) More than 2 will fail c) All will fail. d) Compare the answer for parts a, b, c, and explain why these results are reasonable
Monday, January 12, 2015 by saima

Health
the muscular system is essential because it allows our bones to
Monday, January 12, 2015 by Elizabeth

Algebra
The Badys and their maid, Alice, took a trip to Hawaii for their summer vacation. The travel agent told Ike that the trip would cost $210 for each child plus another $315 per adult. According to Ike Bady’s credit card receipt, the trip cost a total of $2205 for all 9 of ...
Monday, January 12, 2015 by Anonymous

Human Resource Information System
Scenario: Castle’s Family Restaurant has eight restaurants in the northern California area with approximately 300–340 employees. Most of the employees are part time, with approximately 40% of them full time. The operations manager, Jay Morgan, also acts as the HR ...
Sunday, January 11, 2015 by Kathy

Algebra Help Please
solve the system of equations using the substitution method 8x - 9 = y y - 8x = 4
Sunday, January 11, 2015 by slomo

Algebra Help!!
Solve the given system by the substitution method. 3x + y = 17 5x -2y = 10
Sunday, January 11, 2015 by slomo

Algebra help please!
solve each system graphically. if a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. y = 2 - x 2x + 2y = 4
Sunday, January 11, 2015 by slomo

Algebra 1
solve the system of equations using the substitution method. 8x-9=y, y-8x=-4
Sunday, January 11, 2015 by slomo

Algebra 2
Solve the system algebraically 2x^2-5y^2=1 x^2+5y^2=68 Please show work!!!
Sunday, January 11, 2015 by Alicia

Algebra 1
Where would the system below intersect on a graph? y=12x+15 y=15x I know that: x=5 y=75 But I need help on how to graph it.
Friday, January 9, 2015 by Allie

Math
1. Using the following system of equations : 4x +2x = 6 2x + y= 3 A: Find the solution(s) algebraically showing all work (4 pts) B: State whether it is independent consistent, dependent consistent, or inconsistent. (2pts) C: Demonstrate how to check the systems of solutions, ...
Friday, January 9, 2015 by Cookie_Monster_

Algebra 1
Translate to a system of equations. But do not solve. A nontoxic floor wax can be made from lemon juice and food-grade linseed oil. The amount of oil should be twice the amount of lemon juice. How much of each ingredient is needed to make 45 ounces of floor wax? Let x ...
Thursday, January 8, 2015 by slomo

Algebra
Solve each system graphically. Be sure to check your solution.If a system has an infinite number of solutions, use set-builder notation to write the solution set.If a system has no solution, state this. 2x - y = 1 x + 2y = 3
Thursday, January 8, 2015 by slomo

Algebra 1
Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use set-builder notation to write the solution set.If a system has no solution, state this. I tried this and found no solution, is this right? x + y = 9 x - y = 1
Thursday, January 8, 2015 by slomo

Pre-Calc/Trig
Complete the following for each system that involves one or more quadratic equations: Solve the system algebraically 7y^2-5x^2+20x=3 5x^2+21y^2=209
Thursday, January 8, 2015 by Anonymous

physics
A heavy table of mass M is vibrationally isolated by being hung from the ceiling by springs, so that its frequency of vertical oscillation is \omega_0 (take \omega_0 to be 2\pi/sec, a typical value). Assume now that the ceiling vibrates vertically with amplitude A at frequency...
Thursday, January 8, 2015 by david

criminology
What type of discretion might be exercised within the local police department? How does it "funnel" people into the criminal justice system or kick them out?
Thursday, January 8, 2015 by Dee365

Algebra
Determine if the ordered pair ( -5,2) is a solution to the following system of equations. x + 3y = 1 y = 3x + 17
Wednesday, January 7, 2015 by slomo

mechanics and heat
At the same instant that a 0.5 kg ball is dropped from 25 m above earth , a second ball , with a mass of 0.25 kg , is thrown straight upward from earth’s surface with an initial speed of 15 m/s . They move along nearby lines and pass without colliding. What is the ...
Wednesday, January 7, 2015 by awash

mechanics and heat
Four point masses are located at the four corners of a rectangle as shown in the figure. Calculate the total moment of inertia of this system measured from (a) axis 1 (b) axis 2 (c) axis 3, and (d) an axis that passes through A and perpendicular to the plane containing this ...
Wednesday, January 7, 2015 by awash

Science
1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. trachea, pharynx, larynx, alveoli, bronchi bronchi, larynx, alveoli, trachea, pharynx larynx, trachea, bronchi, pharynx, alveoli pharynx, larynx, trachea, bronchi...
Wednesday, January 7, 2015 by lol

phy
A 10kg mass and a 2.0kg mass are connected by a light string over a massless, frictionless pulley. if g=9.8ms^-2, what is the acceleration of the system when released? (98ms^-2)
Wednesday, January 7, 2015 by saima

Algebra
I have been trying to solve this for two hours help. Determine whether the ordered pair (-5,2) is a solution of the following system of equations x - 3y = 1 y= 3x - 17
Wednesday, January 7, 2015 by slomo

Algebra
I can find no solution to this system of equations. Solve the system of equations using the substitution method 2x + 4y = -2 2x - y = 4
Wednesday, January 7, 2015 by slomo

physics
Two blocks are placed at the ends of a horizontal massless board, as in the drawing. The board is kept from rotating and rests on a support that serves as an axis of rotation. The block on the right has a mass of 5.4 kg. Determine the magnitude of the angular acceleration when...
Tuesday, January 6, 2015 by genius girl

Civics
Montesquieu's system of "separation of powers" means that Government is divided into three branches*** People are born with rights that can not be taken away. government may rule because the citizens consent people have the right to life,liberty, and property.
Tuesday, January 6, 2015 by jeje

Civics
Why did the framers of the constitution include the system of checks and balances? To ensure the powers of each branch of government are limited and checked by another branch To create a process for the American people to choose their representatives for government branches To...
Tuesday, January 6, 2015 by jeje

Health
Which of the following is the minimum level of structure needed to perform the function of waste removal? A. body system B. tissue C. cell D. organ C or A
Tuesday, January 6, 2015 by dddd

Math
Q. There is a hot hair ballon festival in System Springs. Seventy two gallons registered to participate,paying $25 each. Five of those who registered didn't show up and we refunded half of their money.mthree additional balloons showed up and paid the registration cost plus...
Monday, January 5, 2015 by Destinee

Algebra
system of equations, the sum of two numbers is 46. the first number is 3/20 of the second number is it x + y = 46, x = 3/20y?
Monday, January 5, 2015 by slomo

algebra 1
Which of the following points are solutions to the system of inequalities shown below? Check all that apply. y>4x + 2 y<4x + 5 A. (4, 21) B. (5, 24) C. (5, 26) D. (-4, 20)
Monday, January 5, 2015 by jacky

History
1. How is the Seven Years War related to the French and indian war? A- The French and Indian War directly caused the Seven Year's War B-; The French and Indian War was part of the Seven Year's War C- The Seven Years' War was more of a land war than the French and ...
Sunday, January 4, 2015 by Elizabeth Meyer

Algebra 1
Translate problem situation to a system of equations. Do not solve. The sum of two numbers is 10 the first number is 2/3 of the second number. What are the numbers? would it be 6, and 4? or 7, and 3? I know 2/3 of 10 is 6.66666667, so being after the decimal is higher than 5 ...
Sunday, January 4, 2015 by slomo

Physics, Math, Aerospace, Engineering
A de-orbit burn, similar (but not the same) to that presented in the previous math problem, has been performed. During this de-orbit burn a pre-calculated ∆V (delta V, change in velocity) of 99.1 meters per second will be used to decrease the Shuttle’s altitude from...
Saturday, January 3, 2015 by Wolf

math
solve the system algebraically and graphically 32x^2+9y^2=324 3y^2-x^2=3
Saturday, January 3, 2015 by cary

Algebra
Help!! I am having difficulty with a problem for hours now and if I could get some help, my head might stop pounding.Solve each system graphically. if a system has an infinite number of solutions, use set builder notation to write the solution set. If a system has no solution...
Friday, January 2, 2015 by slomo

Physics
A block and tackle with a velocity ratio of 5 is used to raise a mass of 25kg through a vertical distances of 40cm at a steady rate.if the effort is equal to 60N,determine.(a)The distance moved by the effort.(b)The workdone by the effort in lifting the load.(c)The loss in ...
Thursday, January 1, 2015 by Rose

Chemistry***
A mixture containing 19.8 moles of H2 and 7.2 mole of I2 was allowed to reach equilibrium in a 5 L closed vessel at ToC according to the equation: H2 (g) + I2 (g) 2HI (g) At equilibrium, 14 moles of H2 was present. The equilibrium constant for this reaction is denoted as Kc(1...
Tuesday, December 30, 2014 by plasma membrane

Algebra 1
What is the solution to the system y=10x-3 y=-7x+3 answers from 5/17, 16/17 4/17, 16/19 -5/17, 16/17 3/17, 5/17
Tuesday, December 30, 2014 by Steve

Business
I have already researched five areas of publicly available information (such as the Dow Jones or top search engine results) that help to establish the health and public image of a company. How do I propose a web-based information system that will interface with this ...
Monday, December 29, 2014 by MissPatte

Algebra 1
How many solutions does the system of equations have? 3x+12y=20 y=-1/4x+5/3
Monday, December 29, 2014 by Steve

Math
Solve the system of two equations 2y=8 and 15y=2x-4
Sunday, December 28, 2014 by Anon

physics
When relaxed, an elastic cord has length L, cross section area A, mass M, and Young modulus Y. An object of mass m is hung from the ceiling using the cord. The system reaches a steady state. What is the longitudinal mass distribution lambda(z) of the stretched cord as a ...
Saturday, December 27, 2014 by aviva

Physics
Station Math Two station astronauts will each perform two 8-hour EVAs within 13 days to repair a damaged solar panel that was impacted by a micrometeoroid on the space station. What is the total amount of oxygen needed by the two astronauts to accomplish this? Please put your ...
Saturday, December 27, 2014 by Allison

physics
Two bodies of mass 3kg and 4kg are suspended at the ends of massless string passing over a frictionless pulley .the acceleration system is
Thursday, December 25, 2014 by prakhar

Chemistry
What are the different ways to split a mixture of benzene and methanol into its constituents using a 2 phase system separation ?
Thursday, December 25, 2014 by Henry

Algebra 1
A local citizen wants to fence a rectangular community garden. The length of the garden should be at least 110 ft and the distance around should be no more than 380 ft. What system of inequalities would represent the possible dimensions of the garden?
Wednesday, December 24, 2014 by Steve

Continuos Quality Monitoring and Accreditation
Adverse Event Reporting Read Chapters 5, 6, and 7 in our textbook. After reviewing this week’s required reading, consider the following scenario: You are the lead of the risk management team that has been assigned to evaluate an incident that has occurred. You will be ...
Wednesday, December 24, 2014 by Cai

Algebra 1
How many solutions does then system of equation have? y-5x = -6 and 3y-15x=-12
Tuesday, December 23, 2014 by Steve

Algebra 1
How many solutions does the system of equation have? x-4y =12 and 5x-20y =60
Tuesday, December 23, 2014 by Steve

Algebra 1
How many solutions does the system of equations have? y=4x +3 and 2y-8x=3
Tuesday, December 23, 2014 by Steve

Algebra 1
How many solutions does the system of equations have? x=-4y+4 and 2x+8y=8
Tuesday, December 23, 2014 by Steve

Earth science
TRUE OR FALSE The burning of fossil fuels cause the earth to get warmer by putting carbon dioxide in the atmosphere and the carbon dioxide traps heat. MY GUESS: TRUE Isobars help meteorologists find fronts on weather maps. MY GUESS: FALSE A CLOUD IS A COLLECTION OF WATER ...
Monday, December 22, 2014 by Elena

Math and Phyics
Mass points M and m are kept at the vertices of an equilateral triangle whose sides are of length a. 1. Find the distance between the center of mass of the system and mas point m. 2.Determine the moment of Inertia of the system about the center of mass
Monday, December 22, 2014 by Saraf

Algebra 1
When solving a system of equations, how do you determine which method to use?
Thursday, December 18, 2014 by Steve

math
Please solve the system with the elimination method. Explain each step as it is performed. 5y = x 2x - 3y = 7 Would the elimination method have been your first choice to solve this problem?
Thursday, December 18, 2014 by cathy

Algebra 1
Which method would be the simplest way to solve the system? 7x +5y = 19 -7x-2y = -16 graphing substitution elimination or distributive
Thursday, December 18, 2014 by Steve

Algebra 1
In which quadrant does the solution ofthen system fall? y=x-1 y= -3x-5
Thursday, December 18, 2014 by Steve

Algebra 1
How many solutions does this system have? *3x + 6y = 10 -3x + 6y = -4
Thursday, December 18, 2014 by Steve

math
* not multiple choice* 2/3n = 8 solving the system of equations 4x + 3y = 13 y= -x +4 * not sure how to do this the slope intercept form of the function that contains the point (-3, 2) and has a slope of -2? my answer: y= -2x + 6 -1 + 5(6-y) my answer is -y + 29
Thursday, December 18, 2014 by Anonymous

reimbursement
New medicare payments systems and implementation of SC HI both came out to the? A. Balance budget act. B. Federal act 33-2 C. Retrospective payment system D. Health maintenance organization
Thursday, December 18, 2014 by a

algebra
The Kwon family has a rainwater catchment system they use to water their garden. After 3 days without rain, the depth of water in the tank is 63 inches. After 5 days, the depth is 57 inches. What will the depth of water in the tank be after 17 days?
Wednesday, December 17, 2014 by mazzy

Math
How many solutions does the following system have? { 16x - 8y=20 { 4x - 2y= 5 A. 0 B. 1 C. 2 D. Infinitely many
Wednesday, December 17, 2014 by Anonymous

Cellular Anatomy/Integumentary and Musculoskeletal
Which of the following is an accessory organ of the integumentary system?
Wednesday, December 17, 2014 by Anonymous

Algebra
Steve is driving to a ski resort. At first, he drove at a rate of 65 mph. Then a snow storm started and he had to slow down to 40 mph. In total. it took him 6 hours to drive 310 miles. Which system of equations represents this situation? A. 6x + y= 1 x + y= 310 B. x + y= 105 ...
Wednesday, December 17, 2014 by Anonymous

Algebra
How many solutions does the following system have? { 16x - 8y=20 { 4x - 2y= 5 A. O B. 1 C. 2 D. Infinitely many
Wednesday, December 17, 2014 by Anonymous

Algebra
To solve the following system of equations by elimination, which step would best to perform first? 1/2a - 1/4b = 1 1/3a + b= 3 A. Add the two equations. B. Subtract the two equations. C. Multiply the first equation by 4. D. Divide the first equation by 3.
Wednesday, December 17, 2014 by Anonymous

math
Solve the linear system graphically (Dont graph it just solve it) x+ 2y = 8 3x+ 4y = 20
Tuesday, December 16, 2014 by Laura &#9829;

college student
Two spheres of mass 2 kg and 3 kg are attached to the ends of a light rigid rod of length 1.0 m. What is the moment of inertia of the system about an axis perpendicular to the rod and (i) passes through the centre of the rod (ii) passes through the 2 kg sphere
Tuesday, December 16, 2014 by saalim

Algebra 1
suppose you can work a total of no more than 20 hours per week at your two jobs. Babysitting pays $5 per hour, and your cashier job pays $6 per hour. youneed to earn at least $90per week to cover your expenses. Write a system of inequalities that show s the various numbers of ...
Monday, December 15, 2014 by molly

Any math tutor online? Help
Two companies charge these rates for printing a brochure : Company A charges $175 for set up and 0.10 pet brochure Company B charges $250 for set up and 0.07 pee brochure A linear system that model this situation is C=175 + 0.10n C =250+ 0.07 Where c is the total A) graph the ...
Monday, December 15, 2014 by Emmanuel

History 2
the public school system in georgia was the result of laws passed during A. World War 1 B. The Civil War C. Reconstruction **** D. Antebellum
Monday, December 15, 2014 by HELP MEEEEE

physics
In the drawing, the weight of the block on the table is 428. N and that of the hanging block is 195. N. Ignore friction, the mass of the rope, and the mass of the pulley. Find the acceleration of the two block system in m/s2.
Sunday, December 14, 2014 by Jill

Algebra
Solve the following system of equations using the substitution method:5x-7y=-18 and 4x+3y=20
Saturday, December 13, 2014 by Marie

History
Word Box : Declaration of Independence US Constitution articles of confederation Federalist Papers Bill of Rights Washingtons Farewell Address, Albany Plan of Union, Olive Branch Petition 1.americas first government,weak, consisted of only legislative branch created during ...
Saturday, December 13, 2014 by M

Physics
A 3.32 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to one-eighth the original speed of the 3.32 mud ball. What is the mass of the second mud ball?
Friday, December 12, 2014 by Anonymous

algebra
Janel walks for x minutes and runs for y minutes for a total of 30 minutes of exercise. Ramal walks for 3 times as long as Janel but runs for half of the time she does for a total of 40 minutes of exercise. Is the system below correct for this situation? If not, why not? x + ...
Friday, December 12, 2014 by Abigail

In
ABC Company – Training Program ABC Company has 50,000 employees in its headquarters. The company wants to increase employee productivity by setting up an internal software applications training program for its employees. The training program will teach employees how to ...
Friday, December 12, 2014 by desilva

Physic
A grenade that is falling vertically explodes into two equal fragments when it is at a height of 2000 m and has a downward velocity of 60 m/s. Immediately after the explosion one of the fragments is moving downward at 80 m/s. Find the position of the second fragment and the ...
Thursday, December 11, 2014 by kevin

Math
An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days ...
Wednesday, December 10, 2014 by LJ

physic
A 7.28-kilogram bowling ball traveling 8.50 meters per second east collides head-on with a 5.45 kilogram bowling ball traveling 10.0 meters per second west. Determine the magnitude of the total momentum of the two-ball system after the collision
Wednesday, December 10, 2014 by natsu

Physical Science
Fill in the blanks using the correct term from the list below. Active Combustion free heating systems passive heat pump thermal energy stroke 1. A house with large windows on its south side and few windows on its other sides probably uses a(n) Blank solar heating system. 2....
Wednesday, December 10, 2014 by Lindsey

physics
Consider a system of a cliff diver and the earth. The gravitational potential energy of the system decreases by 21,000 J as the diver drops to the water from a height of 32.0 m. Determine her weight in newtons.
Wednesday, December 10, 2014 by m

Biology
"Emma has difficulty sleeping. Her doctor prescribes Deflex. Deflex is a drug which affects the nervous system. Suggest and explain how Deflex affects the nervous system to help Emma sleep." I have missed a lot of time off of school and I understand how the nervous ...
Wednesday, December 10, 2014 by

Physics
Silver pellets with a mass of 1.0 g and a temperature of 85°C are added to 200 g of water at 18°C. How many pellets must be added to increase the equilibrium temperature of the system to 24°C?
Wednesday, December 10, 2014 by HELP

physics
An amusement park ride consists of a rotating circular platform 8.09 m in diameter from which 10 kg seats are suspended at the end of 2.19 m mass less chains. When the system rotates, the chains make an angle of 14.8 ◦ with the vertical. The acceleration of gravity is 9....
Tuesday, December 9, 2014 by Anonymous

Psychology
Individuals who naturally exhibit low levels of brain arousal and nervous system reactivity are more likely to: A. Score high in measures of agreeableness B. Score low in measures of agreeableness. C. Score low in measures of sensation seeking D. Score high in measures of ...
Tuesday, December 9, 2014 by Macy

chemistry
The total phosphate concentration in a blood sample is determined by spectrophotometry to be 3.0×10−3 M. The pH of the blood sample is 7.45, What are the concentrations of H2PO4− and HPO42- in the blood? Pka for the phosphate system is 7.198
Tuesday, December 9, 2014 by India

Physics
A ball of mass m is attached to a spring with a spring constant k. The system is attached to a thin vertical axis as shown in Figure 4. In its equilibrium vertical position the spring length is L. The axis starts to rotate with a constant angular frequency ω. Find the ...
Tuesday, December 9, 2014 by James

PChem
For the gas phase reaction 2NO2 + F2 ¨ 2NO2F, the rate constant is k= 38 dm3/mol-s at 27 oC. The reaction is first-order in NO2 and first-order in F2. A) Calculate the number of moles of NO2, F2, and NO2F after 10.0 s if 2.00 mol of NO2 is mixed with 3.00 mol of F2 ...
Tuesday, December 9, 2014 by Debora

physics
Assuming 100% transfer of energy in the system, please calculate maximum KE (Kinetic Energy) that the rocket has if the rocket were to again a height of 25 meters. Rocket mass = 0.5 kilograms, and gravity = 9.8 m/s^2
Monday, December 8, 2014 by Ella

physics
A 75-g piece of aluminum at 89 °C is dropped in 1.0 L of water at 1.3 101 °C, which is in an insulated beaker. Assuming that there is negligible heat loss to the surroundings, determine the equilibrium temperature of the system
Monday, December 8, 2014 by charles

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