Sunday
April 26, 2015

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

Math - Help Me Please
Stereo Inc. sells a stereo system for $300 down and monthly payments of $40 for the next 2 years. If the interest rate is 3.25% per month, find: a) The cost of the stereo. b) The total amount of interest paid. I am having trouble figuring out the correct layout.
Friday, April 3, 2015 at 7:00pm

math- please help me
Stereo Inc. sells a stereo system for $300 down and monthly payments of $40 for the next 2 years. If the interest rate is 3.25% per month, find: a) The cost of the stereo. b) The total amount of interest paid. I am having trouble figuring out the correct layout.
Friday, April 3, 2015 at 3:35pm

math
how do you write a system of equation that is linear ? can this two equation work? 2x – 3y = –2 4x + y = 24
Friday, April 3, 2015 at 2:48pm

Math - Help Please
Stereo Inc. sells a stereo system for $300 down and monthly payments of $40 for the next 2 years. If the interest rate is 3.25% per month, find: a) The cost of the stereo. b) The total amount of interest paid. I am having trouble figuring out the correct layout.
Friday, April 3, 2015 at 12:23pm

Algebra
Need help solving the system of inequalities and equations graphically for this problem. Please help! 6y=9(x-6) 3(2y+5x)=-6
Friday, April 3, 2015 at 10:45am

math
Question:write a system of equation that is linear. can this two equation work? 2x – 3y = –2 4x + y = 24
Thursday, April 2, 2015 at 2:39pm

Math - hw check
The admission fee for student is $8 and the admission fee for Adult is $15. In one hour, 12 adults and students enter the museum and a Total of $131 in admission was paid. Write a linear system to model this problem and solve this problem graphically. Check you answer by ...
Thursday, April 2, 2015 at 12:51am

physics
A hydraulic cylinder has to overcome a force of 12,600 pounds on the extend stroke and 9,375 pounds on the return stroke. The maximum system pressure available is 2200 PSIG. What is the smallest diameter cylinder required to overcome the load and what is the maximum diameter ...
Wednesday, April 1, 2015 at 7:26pm

fluids
What are the three benefits of a fluid system as the prime mover in a system? Explain each benefit.
Wednesday, April 1, 2015 at 7:07pm

Physics- Solenoid Questions
1) A technician has been given wire that can safely carry 5 A. She has been instructed to construct a solenoid that will have a magnetic field of 0.06 T at its center. After completing some tests of the wire, the technician finds that the tightest safe winding possible with ...
Wednesday, April 1, 2015 at 4:05pm

Science
1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2. Sound proof ...
Wednesday, April 1, 2015 at 12:27pm

MATH
I'm sure what if this is the right answer that the question is looking for. since my eng. not that good i have hard time understanding. Please help me. Question: write a situation that can be modeled by the following linear system. Explain what each variable means, then ...
Tuesday, March 31, 2015 at 7:59pm

Chemistry DrBob please answer
A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in kJ). I know that I have to use w=-p deltaV but how do i find the Final and Initial volumes?
Tuesday, March 31, 2015 at 7:35pm

ss
what was the main goal of suffrage leaders such as elizabeth cady stanton, susan b. anthony, and anita pollitzer? a. create a national temperance movement b. improve the prison system c. get women the right to vote d. ensure equal pay for equal work i am 99.9% sure its a ...
Tuesday, March 31, 2015 at 7:04pm

Chemistry
A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in kJ). I know that I have to use w=-p deltaV but how do i find the Final and Initial volumes?
Tuesday, March 31, 2015 at 7:00pm

math - linear equation
How do I write a system of equations that is linear and graph? Thanks
Tuesday, March 31, 2015 at 6:19pm

calculus
The operating cost, C, in dollars per hour, for an airplane cruising at a height of h metres and an air speed of 200km/h is given by: C = 4000 + h/15 + 15000000/h for the domain 1000 ≤ h ≤ 20000. Determine the height at which the operating cost is at a minimum, and...
Tuesday, March 31, 2015 at 5:42pm

Chemistry
A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in kJ).
Tuesday, March 31, 2015 at 5:23pm

Chemistry
A reaction at 2.43 atm produces 20.0 L of a gas and evolves 75.3 kJ of heat (exothermic). Calculate the change in internal energy of the system (in kJ).
Tuesday, March 31, 2015 at 5:23pm

health
which body system would you expect to provide the most protection from colds and the flu PLEASE HELP ME!!!!!!!!!!
Tuesday, March 31, 2015 at 11:02am

SOCIAL STDIES HELP!!!!!
1. What was the New South philosophy? (1 point) a philosophy that the southern economy should become more industrialized the idea that African Americans should own more businesses*** the notion that traditional farming techniques should be maintained a concept that allowed ...
Monday, March 30, 2015 at 8:05pm

child day care
. In the childcare field, the main purpose of a Quality Rating and Improvement System (QRIS) is to A. improve and standardize the quality of care in all facilities in the state. B. lower the cost of childcare. C. make it easier for parents to find childcare. D. make childcare ...
Monday, March 30, 2015 at 7:33pm

child day care
Most licensing agencies offer an orientation meeting for applicants who want to obtain licensing for a child care facility or a family day care home. This meeting is designed to help the applicant to A. determine where to open his or her program. B. locate financial backers ...
Monday, March 30, 2015 at 7:17pm

chemistry
Calculate the pH of the buffer system after the addition of 0.1 mol of gaseous HCl of the solution. Assume that the volume of the solution does not change when the HCl is added.
Monday, March 30, 2015 at 2:52pm

Physics
So, "a uniform steel rod of length 1.20 meters and mass 6.40 kg has attached to each end a small ball of mass 1.06 kg. The rod is constrained to rotate in a horizontal plane about a vertical axis through its midpoint." There's more to the question, but the only ...
Monday, March 30, 2015 at 1:31pm

phy 111
1 An ideal gas undergoes a cycle of processes as shown in the p-V diagram gases . Which statement correctly describes the situation? Click here to see exhibit The internal energy of the gas increases over one complete cycle Over the entire cycle, work is done by the gas. The ...
Monday, March 30, 2015 at 5:57am

Algebra 1
Find the solution to the system y=x^2-2x-2 My answer is (-1,1)(7,33)
Monday, March 30, 2015 at 3:21am

Precalculus
Find an equation of the circular orbit of a satellite 500 miles above the surface of earth. Place the origin of the rectangular coordinate system at the center of Earth and assume that the radius of Eatch is 4000 miles.
Sunday, March 29, 2015 at 10:27pm

Pschology 202
1. David is somewhat afraid of flying. When he is required to travel on business, he prefers to take a train or drive if the distance is short enough that he can arrive on schedule. However, if the distance is long and driving does not make sense, he will fly because he does ...
Sunday, March 29, 2015 at 6:52pm

INCIDENT COMMAND SYSTEMS
During past hurricanes, medical rescue teams took instructions from any number of sources, resulting in confusion and poor coordination of efforts. During Hurricane Andrew, the Metro-Dade Fire Rescue team changed its protocol. How? A. Managers adjusted their relationships to ...
Sunday, March 29, 2015 at 5:47pm

physics
1) What average power is required for a runner with a mass of 85 kg to reach a speed of 8 m/s from a stationary start during a time of 2 s? 2) A 1000 kg car travels east at 30 m/s and collides with a 3400 kg truck travelling south at 20 m/s. After the collision the two ...
Sunday, March 29, 2015 at 4:59am

maths
three resistors are connected the resistances are R2 = 2 R3= 3 R1=r r is not specified Question: Derive the total resistance of the system as an expression containing r
Sunday, March 29, 2015 at 1:46am

health part2
The sole activity of the respiratory system is breathing. True False The exchange of gases between the blood and tissue cells is external respiration. True False Air flows in the process of pulmonary ventilation because of pressure differences between the atmosphere and the ...
Saturday, March 28, 2015 at 12:45pm

health part2
The sole activity of the respiratory system is breathing. True False The exchange of gases between the blood and tissue cells is external respiration. True False Air flows in the process of pulmonary ventilation because of pressure differences between the atmosphere and the ...
Saturday, March 28, 2015 at 12:22pm

Science Check Please
Which of these is true? The nervous system doesn't react as quickly as the endocrine system. The endocrine system doesn't react as quickly as the nervous system. (My Answer) The nervous system and the endocrine system have similar reaction times. The endocrine system ...
Saturday, March 28, 2015 at 11:53am

computers2
If you're required to install memory in pairs for the system to work, what type of memory module are you most likely using? A. SIMM B. SIPP c. DIPP
Friday, March 27, 2015 at 2:58pm

computers
How is the SIMM an improvement on the SIPPs and DIPs that preceded it? a. SIMMs are larger and thus hold more memory. b. Every SIMM houses a row of pins on each side. c. The SIMM is soldered to the system board.
Friday, March 27, 2015 at 2:56pm

computers
Two technicians are discussing the interface between system memory and the motherboard. Technician A says data errors caused by speed mismatches are handled by making the memory run a parity check for every bit accessed. Technician B says those speed mismatch errors are ...
Friday, March 27, 2015 at 2:54pm

chemistry
who created the mcilvaine buffer system?
Friday, March 27, 2015 at 11:00am

Algebra
Solve the system by substitution. -5x + y = -3 3x - 8y = 24 I'm not sure which equation to choose as I begin to find the y value. Some assistance would be greatly appreciated! Thank you!
Thursday, March 26, 2015 at 9:40am

please help Chemistry
Zn(OH)2 was saturated in a solution of sodium hydroxide. The following equilibra exist under these conditions Zn(OH)2 -> Zn2+ +2OH- Ksp Zn2+ +OH- -> Zn(OH)+ K1 Zn(OH)- + OH- -> Zn(OH)2 K2 Zn(OH)2 + OH- -> Zn(OH)3- K3 Zn(OH)3- +OH- -> Zn(OH)42- K4 a) Sum of which...
Thursday, March 26, 2015 at 8:26am

chemistry
Zn(OH)2 was saturated in a solution of sodium hydroxide. The following equilibra exist under these conditions Zn(OH)2 -> Zn2+ +2OH- Ksp Zn2+ +OH- -> Zn(OH)+ K1 Zn(OH)- + OH- -> Zn(OH)2 K2 Zn(OH)2 + OH- -> Zn(OH)3- K3 Zn(OH)3- +OH- -> Zn(OH)42- K4 a) Sum of which...
Thursday, March 26, 2015 at 6:24am

System ?
Your teacher is giving you a test worth 100 points containing 40 questions there are 2-point and 3 point questions on the test how many each type are on the test ?
Wednesday, March 25, 2015 at 7:34pm

math
suppose that x liters of 36% acid solution are mixed with y liters of a 50% solution to obtain 100 L of a 37% solution. One equation is a system for solving this problem is x+y=100. which of the following is the other solution?
Wednesday, March 25, 2015 at 6:49pm

Science The Human Body PLEASE HELP!!!!!!!!!!!
the human endocrine system is made up of which of the following structures? (1 point) vessels receptors* glands chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood to ...
Wednesday, March 25, 2015 at 4:54pm

social Test
1. a system in which a series of workers and machines work to add individual parts to product is known as a (n) and it . a. assembly line/helped Georgia's economy by increasing production rates b. installment plan/helped consumers purchase on credit c. surplus product/...
Wednesday, March 25, 2015 at 2:31pm

Health
What is the first activity of the digestive system? A. Digestion B. Ingestion C. Movement D. Absorption i pick D.
Wednesday, March 25, 2015 at 1:56pm

Algebra (Math)
Without graphing, name the ordered pair where the graphs of the two linear equations intersect. (Below is the system.) { x = 2 y = -3 Without graphing, name the ordered pair where the graphs of the two linear equationd intersect. (Below is the system.) { y = 2 x + 2y = 10 For ...
Wednesday, March 25, 2015 at 9:50am

Math Check
Hi! I posted this question yesterday and it was answered but I forgot to add something else to the directions. Directions: Write the system of equations sequentially so that it will correspond to the final matrix. Matrix: [-10 2 | 48] [-5 -6/4 |-9] My answer: 10x+2y=48 -5x+-6/...
Wednesday, March 25, 2015 at 8:22am

Chemistry
Zn(OH)2 was saturated in a solution of sodium hydroxide. The following equilibra exist under these conditions Zn(OH)2 -> Zn2+ +2OH- Ksp Zn2+ +OH- -> Zn(OH)+ K1 Zn(OH)- + OH- -> Zn(OH)2 K2 Zn(OH)2 + OH- -> Zn(OH)3- K3 Zn(OH)3- +OH- -> Zn(OH)42- K4 a) Sum of which...
Tuesday, March 24, 2015 at 9:40pm

geometry
the following system of equations bounds a region. If the region is rotated about the line x=0, what is the shape of the resulting solid figure? y=-2x+4 X=0 Y=0 Y=2
Tuesday, March 24, 2015 at 9:29pm

us history
Which is the best definition of the word "naturalization"? A) the transition people make in becoming vegetarians B) the process of jury selection used in the court system C) the process of becoming a citizen of a country D) the ceremony performed to welcome a new ...
Tuesday, March 24, 2015 at 7:55pm

Analytical Chemistry
For a triprotic acid H2PO4. Ka1=7.11e-3, Ka2=6.32e-8 and Ka3=7.1e-13. 50mL each of 0.05F CaCl2 and 0.05F phosphoric acid were mixed. Ksp CaHPO4=2.6e-7. a) Would CaHPO4 precipitate when phosphoric acid and calcium chloride were mixed together? b) List all species (ions, ...
Tuesday, March 24, 2015 at 7:52pm

Math Check
Hi! Can someone check this for me? My teacher wants me to write the system of equations that will correspond to the final matrix. I have the matrix already, but I need help with the writing the system stuff. Thanks! Matrix: [-10 2 | 48] [-5 -6/4 |-9] My answer: 10x+2y=48 -5x+-...
Tuesday, March 24, 2015 at 5:57pm

mathhhhhhhhhhhhhhhhhhh
For questions 5–7, find the solution to the system of equations by using either graphing or substitution 5. y = 6 – x and y = x – 2 (1 point) (2, 4)*** (–4, 2) (4, 2) no solutions 6. y = 2x – 1 and y = x + 3 (1 point) (4, 7) (7, 4) (–7, –4...
Tuesday, March 24, 2015 at 4:18pm

History
1. How did new England's textile industry affect both children and women? a) It allowed them to earn a living wage until the age of 25. b) It gave them opportunities not available on family farms. c) It permitted them to complete their schooling. d) It provided long-term ...
Tuesday, March 24, 2015 at 3:08pm

PHYSICS
A certain resistance thermometer at triple point of water is 152.0 ohms. What is the temperature of the system in degrees celsius when the resistance of the thermometer is 230.51ohms.
Tuesday, March 24, 2015 at 1:46pm

Social Studies 8th thank you
1. The Bourbon Democrats would have been likely to support which of the following? (Choose all that apply.) (3 points) lower taxes*** less government spending growth of industry*** African American rights*** 2. Unhappy farmers formed what organization? (1 point) Farmers’ ...
Tuesday, March 24, 2015 at 1:35pm

Co-operate Finance
As the investment analyst for King breweries you are required to analyze the automated loom system in the Castle larger production line. The old system was purchased 5 years ago for $200,000. It falls in the accelerated cost recovery 5 year class and it has 5 years of ...
Tuesday, March 24, 2015 at 12:00pm

History
What was the goal of the minimum foundation program for education? A. It integrated whites and blacks int he same school system. B.It improved the quality of white-only education. C. It raised taxes. D. It put more money into black schools. @Writeacher please don't help me...
Tuesday, March 24, 2015 at 10:37am

chemistry
During which stroke of a four-stroke internal combustion engine is work done to the system of gases? A. Exhaust stroke B. Intake stroke C. Compression stroke D. Power stroke
Monday, March 23, 2015 at 10:35pm

Science Check Please Dr.Bob222
I am sorry would..Hopefully this would make it easier 1. Your ____ is your first line of defense against pathogens. brain heart large intestine skin * 2. Blood vessels help regulate your body's temperature. When it's cold, your blood vessels ____ to decrease blood flow...
Monday, March 23, 2015 at 7:24pm

Ethics and Tech
The Internet and __________ are powerful and flexible tools that support a wide variety of social interactions. A. the telephone system B. email C. social web sites D. instant messaging is it B
Monday, March 23, 2015 at 2:40pm

History
Secession and War Quiz 1) The admission of Missouri as a slave state was controversial in the Senate because... :The Senate was pro-slavery. :It would create sectionalism. :It would upset the balance.*** :The Senate was anti-slavery. 2) The main topic of the Lincoln-Douglas ...
Monday, March 23, 2015 at 1:43pm

Science Check Please
1. Your ____ is your first line of defense against pathogens. brain heart large intestine skin 2. Blood vessels help regulate your body's temperature. When it's cold, your blood vessels ____ to decrease blood flow and retain heat. boil constrict cool down expand 3. The...
Monday, March 23, 2015 at 10:15am

Physics
Calculate the work done on the system when 1.00 mol of gas held behind a piston expands irriversibly from a volume of 10.0dm^3 against an external pressure of 1.00 bar?
Monday, March 23, 2015 at 6:44am

mathematical physics
Determine the scale factors for an orthogonal coordinate system (s, t, v) whose coordinates are related to the Cartesian by the following equations: x = 2st, y = s^2-t^2, z = v Also write down an expression for the square of the arc element.
Monday, March 23, 2015 at 5:17am

physics
In a farm yard, a 20.0-kg light is suspended from a light beam on the end of a tall pole. The beam is supported by an arm that attaches to the beam at the suspension point of the light, as shown in the diagram below. The arm makes an angle of 50.0 with the pole. Ignore...
Sunday, March 22, 2015 at 10:01pm

Science Help
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 7:29pm

Science Please
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 6:59pm

Science Please
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 6:51pm

MEDICAL CODING
Use the CPT manual to assign the appropriate procedure and modifier codes to the following exercise. The Patient had a catheter inserted into the arterial system from the femoral artery and then into the left ventricle for left ventriculography. Report only the physician ...
Sunday, March 22, 2015 at 3:52pm

mathematical physics
Determine the scale factors for an orthogonal coordinate system (s,t,v) whose coordinates are related to the Cartesian by the following equations: x = 2st, y = s^2-t^2, z = v.
Sunday, March 22, 2015 at 4:51am

PHI445
Who is generally given credit for introducing fundamental human rights into the American political system? A) Thomas Hobbes B) John Locke C) Thomas Jefferson D) Alain Locke
Saturday, March 21, 2015 at 9:46pm

Math
Hi! My teacher wanted me to sketch the graph of solution set of each system. For the first question, she wants me to use the slope intercept form and the second question using a table of values, but, I'm a little lost. Can someone help? Thanks! 1.) 3x + 2y < 6 x > 0 ...
Saturday, March 21, 2015 at 7:52pm

science
The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to find when the ...
Saturday, March 21, 2015 at 6:58pm

science
The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to find when the ...
Saturday, March 21, 2015 at 6:06pm

science
Two insulated beakers contain different amounts of identical liquids. Beaker A contains twice as much liquid as Beaker B. The temperature of Beaker A is 80°C. The temperature of Beaker B is 40°C. An aluminum rod connects the beakers, and the system is left alone for ...
Saturday, March 21, 2015 at 4:31pm

science
The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to find when the ...
Saturday, March 21, 2015 at 4:24pm

Math
Hi! My teacher wanted me to sketch the graph of solution set of each system. For the first question, she wants me to use the slope intercept form and the second question using a table of values, but, I'm a little lost. Can someone help? Thanks! 1.) 3x + 2y < 6 x > 0 ...
Saturday, March 21, 2015 at 12:40pm

mathematical physics
Determine the scale factors for an orthogonal coordinate system ( s, t, v ) whose coordinates are related to the cartesion by following equations: x = 2st:, y = s^2-t^2:, z = v Also write down an expression for the square of the arc element.
Saturday, March 21, 2015 at 12:03pm

social studies
1.__________ introduced Europeans to Muslim inventions, such as the astrolabe that helped sailors navigate the seas. a)the Crusades,*** b)the Reconquista c)the Vikings d)the Magana Carta 3.king granted land to lords who in turn granted land to knights under the system called a...
Saturday, March 21, 2015 at 3:54am

social studies
1.__________ introduced Europeans to Muslim inventions, such as the astrolabe that helped sailors navigate the seas. a)the Crusades, b)the Reconquista c)the Vikings d)the Magana Carta *** 2.In Athens the system of government became a direct democracy, in which the people ...
Saturday, March 21, 2015 at 3:35am

ap physics
A mass of 1.50 kg is at (−2.55 m, 0) and a 2.04-kg mass at (4.00 m, 4.00 m). Find the center of mass of the system. m, m
Thursday, March 19, 2015 at 10:02pm

Math check please
1. Solve the system of equations y=2x^2-3 y=3x-1 a)no solution b)(-1/2,5),(2,-5/2) c)(-1/2,-5/2),(2,5)**** d)(1/2,5/2),(2,5) 2. How many real number solutions are there to the equation 0=-3x^2+x-4? a)0 ***** b)1 c)2 d)3 3.solve the equation by completing the square. if ...
Thursday, March 19, 2015 at 3:58pm

S.S
Which question would best help you write a report regarding the changes to the political system during Jackson's presidency? A. How did Andrew Jackson react to the results of the election of 1824? B. When did Andrew Jackson decide to run for president? C. Did Andrew ...
Thursday, March 19, 2015 at 3:35pm

SOCIAL STDIES HELP!sss
1. Which of the following contributed to the rise of the Populist Party? (1 point) a sense of discontent and inequality felt by farmers and laborers an agreement with Republican politics a need to keep government exactly as it was a desire to see Democrats be voted out of ...
Thursday, March 19, 2015 at 2:16pm

Math
Solve the following system of equations. Then, write the final answer in (x, y, z) form. -12x+y-x=-20 -2x-4y+2z=10 x+2y+2z=25
Thursday, March 19, 2015 at 8:09am

business math
Stereo Inc. sells a stereo system for $500 down and monthly payments of $60 for the next 4 years. If the interest rate is 1.75% per month, find: a) The cost of the stereo. b) The total amount of interest paid.
Wednesday, March 18, 2015 at 8:46pm

Math
Hi! I need help with this question. Thanks! Directions: Try to find the number of solutions for the following system of equations then determine if it is Dependent, Inconsistent or Consistent. -3x-2y=6 x=-2-2/3y
Wednesday, March 18, 2015 at 4:58pm

Math
Solve these system of equations. Then, write the final answer in (x,y) form. 1.) x-y=7 3x+2y=6 2.) 2x-4y=3 -3x+5y=1
Wednesday, March 18, 2015 at 4:57pm

Art
Chinese artists often express their philosophies using calligraphy. Which is the best definition of philosophy? A. a complex idea B. a religion C. a way of practicing creativity D. a system of guiding principles I think its C. Please answer as soon as possible.
Wednesday, March 18, 2015 at 12:56pm

journalism
Which of the following is the lead? "On Wednesday, the Department of Justice released the utterly devastating results of its investigation of the Ferguson Police Department." "When people say “Black Lives Matter,” they’re not referring only to the...
Wednesday, March 18, 2015 at 11:45am

Physics
Two systems are formed from a converging lens and a diverging lens, as shown in parts a and b of the drawing. (The point labeled "Fconverging" is the focal point of the converging lens.) An object is placed inside the focal point of lens 1 at a distance of 7.70 cm to...
Wednesday, March 18, 2015 at 9:13am

chemistry
1. Ideal gas particles: A. have no mutual attraction and no individual volume. B. have no mass or volume. C. have no odor and no color. D. have no density and do not form bonds. Is it A? 2. Why does the density of gas in a hot air balloon decrease as the gas is heated? A. The ...
Wednesday, March 18, 2015 at 1:53am

Vectors
Can you please explain how to answer this? What is a solution for the following system? x-4y+z=2 and -x+4y-2z=8 a) x=4s+12, y=s, z=-10 b) x=s+4, y=3s, z=-4 c) x=2s+5, y=s, z=-12 d) x=s, y=4s, z=-12
Tuesday, March 17, 2015 at 8:39pm

Math
Directions: Solve the following system of inequalities. 1.) 3x + 2y < 6 x > 0 y > 0 2.) 2x^2 + y ≥ 2 x ≤ 2 y ≤ 1
Tuesday, March 17, 2015 at 4:00pm

physics
Two ice skaters hold hands and rotate, making one revolution in 2.4 s. Their masses are 60 kg and 70 kg, and they are separated by 1.5 m. Find the angular momentum of the system about their center of mass.
Monday, March 16, 2015 at 8:44pm

Physical Chemistry
If a 30g piece of ice at -5C is immersed in 125mL of water at 25C in an insulated container... A. Determine the final temperature and final composition of the system B. Determine the entropy changes of the ice and the water and the overall entropy change of this process.
Monday, March 16, 2015 at 7:50pm

calculus
a 50 m long chain hangs vertically from a cylinder attached to a winch. assume there is no friction in the system and that the chain has a density of 5 kg/m. how much work is required to wind the entire chain onto the cylinder using the winch
Monday, March 16, 2015 at 11:28am

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Homework Help: Computers

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