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February 4, 2012
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Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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greece
Could you help me?? What is the educational system like in Greece?? Thank You, GG-KK
Friday, February 3, 2012 at 7:38pm

Math
Please show me how to set this up: A local citizen wants to fence a rectangular community garden. The length of the garden should be at least 110ft., and the distance around should be no more than 380ft. Write a system of inequalities that models the possible dimensions of the...
Friday, February 3, 2012 at 4:12pm

Astronomy
Assume that right now the Moon is full, Mercury is at superior conjunction, Venus is at greatest western elongation, and Mars is at opposition. Draw a simple sketch of the solar system, showing the relative positions of the Sun, Earth, the Moon, Mercury, Venus and Mars. Draw ...
Thursday, February 2, 2012 at 11:55pm

Math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + y = 10 x – y = 2
Thursday, February 2, 2012 at 8:26pm

math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + y = 10 x – y = 2
Thursday, February 2, 2012 at 8:09pm

chem
1) When a mixture of potassium chlorate and an appropriate catalyst is heated in an open test tube, potassium chloride and oxygen gas are produced. This reaction is not reversible, because a. the system reaches equilibrium b. the reaction does not go to completion c. the ...
Wednesday, February 1, 2012 at 9:26pm

physics
i am going a center of gravity problem, with the x=w1(x1)+w2x2..../ W1+W2.. and i keep getting the wrong answer can someone please tell me what i am doing wrong this is the problem:Four objects are situated along the y axis as follows: a 1.94 kg object is at +3.27 m, a 2.76 kg...
Wednesday, February 1, 2012 at 7:17pm

Human Services
Creating a Budget Various budget approaches play an important role in resource allocation in human service organizations. You are the executive director for a local government workforce agency that focuses on providing career- and work-related skills. The Department of ...
Wednesday, February 1, 2012 at 1:18pm

algebra
solve the following system of equations? y=3xsquarerd+4x+1 y=xsquared-7x-4
Wednesday, February 1, 2012 at 11:16am

Accounting
Last year, Jasper Company earned operating income of $139,600 with a contribution margin ratio of 0.3. Actual revenue was $237,000. Calculate the total fixed cost. Round your answer to the nearest dollar.
Wednesday, February 1, 2012 at 10:08am

chemistry
You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8 ºC. What is this temperature in ºF? (1.8*40.8)+32=105.44 105 (answer with correct # of sig figs)
Wednesday, February 1, 2012 at 12:41am

Algebra 2
Tell how many solutions this system has x-4y=2 x+4y=2
Tuesday, January 31, 2012 at 9:25pm

Algebra 2
Solve the linear system 4x+4y=-2 y=-x show work
Tuesday, January 31, 2012 at 9:24pm

Algebra 2
Solve the system y=-4x+4 y=-x-5 show work
Tuesday, January 31, 2012 at 9:23pm

Algebra 2
Determine the solution to the system y≤x+6 2x+y≤-6 show work
Tuesday, January 31, 2012 at 9:22pm

Algebra 2
Determine the solution to the system y≤2x-2 y≥-x-3 Show work
Tuesday, January 31, 2012 at 9:20pm

chemistry
You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8 ºC. What is this temperature in ºF?
Tuesday, January 31, 2012 at 7:03pm

physics
A space vehicle is coasting at a constant velocity of 22.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.223 m/s2 in the +x direction. After 57.5 s, the pilot ...
Tuesday, January 31, 2012 at 1:59pm

algebra
solve the system y=x+3 y=-3x+7
Tuesday, January 31, 2012 at 12:13pm

english
teacher read story called The Secret Life of Walter Mitty and it be here 142.23.40.13/big/english/stories/WalterM​itty . p d f all questions i have to do. i write my answers here and if you please help me edit correct them. i not sure if teacher say to start sentences or...
Monday, January 30, 2012 at 7:52pm

Physics
A tractor of mass 5.0*10^3kg is used to tow a car of mass 2.5*10^3kg.the tractor moved with a speed of 3.0m/s^1 just before the towing rope became taut.calculate:the speed of the tractor immediately the rope became taut, loose kinetic energy of the system just after the car ...
Monday, January 30, 2012 at 6:59pm

Science
Which distance is the greatest ? A. The distance across the Milky Way Galaxy. B. The distance to the nearest star Cluster. C. The distance across the solar system. D. The distance to the nearest Galaxy.
Monday, January 30, 2012 at 6:51pm

business managment
1. In a _______, consumers ultimately decide what should be produced. A. macroeconomic system C. free market system B. socialist economy D. command economy 2. Efficiency can best be defined as A. the amount of output generated in a given amount of time. B. producing items ...
Monday, January 30, 2012 at 4:22pm

Business management class
here is all my questions with answers.. just to double check my work.. Sue can u please check!! thanks u for all the help!! 1. In a _______, consumers ultimately decide what should be produced. A. macroeconomic system C. free market system B. socialist economy D. command ...
Monday, January 30, 2012 at 12:23pm

physics
A(n) 3.91 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest. The composite system moves with a speed equal to one-third the original speed of the 3.91 kg sphere. What is the mass of the second sphere? Answer in units of kg
Monday, January 30, 2012 at 11:15am

Business management class
1. Americans are often accused of being ethnocentric. This means that A. Americans welcome diversity in their work force. B. Americans feel their culture is superior to other cultures. C. U.S. firms are actively seeking international markets. D. U.S. businesses are pursuing a ...
Monday, January 30, 2012 at 11:10am

alg 1
It takes a florist 3 hour and 15 minutes to make 3 small centerpieces and 3 large centerpieces. It takes 6 hours and 20 minutes to make 4 small centerpieces and 7 large centerpieces. How long does it take to make each small centerpiece and each large centerpiece? write and ...
Monday, January 30, 2012 at 12:25am

Alg 1
The owner of a hair salon charges $20 more per haircut than the assistant. Yesterday the assistant gave 12 haircuts. The owner gave 6 haircuts. The total earnings from the haircuts were $750. How much does the owner charge for a haircut? Solve by writing and solving a system ...
Monday, January 30, 2012 at 12:15am

psychology
Stress has the ability to cause the immune system to: (Points: 5) be under stimulated. attack rather than support the body. repair itself. increase its resources.
Sunday, January 29, 2012 at 10:01am

algebra
I AM TRYING TO SOLVE A SYSTEM OF EQUATIONS BY GRAPHING AND CAN GET THIS ONE. 3x + y = 2 4y = 12 - 12x HOW DO YOU DO THIS?
Sunday, January 29, 2012 at 9:58am

chem
I have to find the effective pH range of a buffer. I read that this optimal buffering occurs when the pH is within 1 pH unit from the pK value for the buffering system. But can anyone explain why its is optimal within 1 pH unit? Thanks.
Saturday, January 28, 2012 at 9:34pm

physics
on an exam i had to day this was the question:A painter of mass 50.0 kg stands on a platform of mass 40.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 400.0 N. Assuming a coordinate system where +y is up, calculate the y-...
Saturday, January 28, 2012 at 9:28pm

English
Writeacher, this is my last doubt! As I couldn't find anything on the objectives of a project on the biodiversity of water in English I'll have to refer to these objectives which refer to soil. Do you think you can help me? The topic must be water (rivers, ocean etc) ...
Friday, January 27, 2012 at 7:38pm

Physics
A 44 kg child jumps off a 2.2 kg skateboard that was moving at 8.0 m/s. The skateboard comes to a stop as a result. Find the speed at which the child jumped from the board. Show all your work. Assume a frictionless, closed system.
Friday, January 27, 2012 at 6:48pm

Physics
A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earth’s velocity. Earth’s mass is 6.0 × 1024 kg. Show all your ...
Friday, January 27, 2012 at 6:11pm

statistics
What is the probability that the following system works if each unit fails independently with probability p? ____o_____o_____ | | _______o________ | | ____o_____o_____ Note: In the above circuit "o" represents 5 relays in the circuit with propability p
Friday, January 27, 2012 at 2:59pm

physics
a closed system is observed to have 22 objects in it.initially the total energy of the system is 8598J.after 9.3hours have passed,how much total energy will the syatem contain?
Thursday, January 26, 2012 at 6:11pm

Computer science
As a member of the Information Security team at a small college, you have been made the project manager to install an access control system (ACS) in a dormitory. The ACS will automatically unlock the dormitory doors via an electronic proximity reader and integrate with an ...
Thursday, January 26, 2012 at 3:22pm

Science 7R
What is order of the 7 levels of the classfication system??? I looked in my textbook but it's not there.
Wednesday, January 25, 2012 at 6:32pm

please check
1. Which of the following statements regarding stress and hair loss is NOT true? a. The best treatments for stress induced hair loss are to improve sleep quality, manage stress, and have a healthy dietary intake. b. Stress may cause hair to fall out as a result of destroyed ...
Wednesday, January 25, 2012 at 3:48pm

anatomy
the nervous system is comprised of what two tissue types??
Wednesday, January 25, 2012 at 6:48am

science
What is the total momentum of the system before the parcel is throrn?
Wednesday, January 25, 2012 at 4:16am

anatomy
the nervous system is comprised of what 2 Tissue types?
Tuesday, January 24, 2012 at 5:55pm

medical office percedures
Work Place Application 1-Assume that you have been selected to order a new computer system for the physician. Clinic personnel include: three physicians, six administrative personnel, and four clinical assistants, plus you, the office manager. Describe the minimum equipment ...
Tuesday, January 24, 2012 at 11:34am

anatomy
the nervous system is comprised of what 2 tissue types? I have connective tissue but I don't know the other one
Tuesday, January 24, 2012 at 9:22am

World History
2. the conflict that was fought between supporters of the King and supporters of Parliament was called the a. Thirty Years' War b. War of the Roses c. Parliamentary Revolution d. English Civil War D? 6. One of the ways the Manchus tried to distinguish themselves from the ...
Monday, January 23, 2012 at 3:45pm

Science
Which of the following is a way to improve the efficiency of a heat engine? increase Qh reduce Qh reduce Wnet increase Qc A What are the energies associated with atomic motion called? kinetic energy potential energy bond energy internal energy D A 0.10 kg piece of copper at an...
Monday, January 23, 2012 at 3:29pm

Business
Learning economics is like having you own crystal ball. The more you understand it as a social science, the more you understand how our economy and political system works. I say like a crystal ball, because you will be able to see things that other people without the same ...
Monday, January 23, 2012 at 1:18pm

Economics
21. The EU is an example of a trading bloc, or _______, that has a common external tariff and no internal tariffs, and that coordinates laws to facilitate trade between member countries. A. strategic alliance B. joint venture C. common market D. multinational export assistance...
Monday, January 23, 2012 at 12:50pm

Economics
11. Often, the _______ the risk, the _______ the rewards. A. higher; higher C. higher; lower B. lower; higher D. faster; quicker 12. When the government of Indonesia imposes a tax on imported electronics products to help its young electronics industry compete in the global ...
Monday, January 23, 2012 at 12:47pm

health
To protect itself from stress, the nervous system triggers the release of hormones such as adrenaline. A.True B. False I think it is A true
Monday, January 23, 2012 at 10:44am

world history
Which system of government rests furthest left on the political spectrum and, as a totalitarian regime, focuses on the government owning all aspects of the economy, including property and the means of production?
Sunday, January 22, 2012 at 9:14pm

physics
Two particles each with charge +2.68 µC are located on the x axis. One is at x = 1.00 m, and the other is at x = −1.00 m. (a) Determine the electric potential on the y axis at y = 0.660 m. (b) Calculate the change in electric potential energy of the system as a ...
Sunday, January 22, 2012 at 8:04pm

math problem
help me solve system of equation x+7y=9 (1) x=4-7y (2)
Sunday, January 22, 2012 at 5:58pm

English
Thank you very, very much. Here are some more sentences on the summary of Orwell's 1984. I referred to the websites you suggested to me. 1)The novel describes a future England, Airstrip One, no longer the head of an Empire, but an outpost of Oceania, a vast totalitarian ...
Sunday, January 22, 2012 at 5:44pm

Chemistry
A chemical reaction is run in which 132 joules of work is done by the system amd the internal energy changes by 469 joules. Calculate the amount of heat transferred. u=q+w I was going to do 469 = q + 132 but I think this is wrong.
Sunday, January 22, 2012 at 4:57pm

math
Determine whether the point (1, 4) is a solution of the system 6x + 9y = 42 5x + 0y = 5 by substituting the point into each equation
Sunday, January 22, 2012 at 1:36pm

bio
I did a pig dissection , but i am not to sure about these questions, any help would be great ! 1. The lungs of a fetal pig serve as a protection for what important body organ 2. The respiratory system is located on the ventral side of the pigs body, what 3 ways is the tract ...
Sunday, January 22, 2012 at 1:06am

Literacy
In a _______, consumers ultimately decide what should be produced. A. macroeconomic system C. free market system B. socialist economy D. command economy my answer is B
Saturday, January 21, 2012 at 11:53pm

Financial Accounting
I am trying to get this done asap because it is an online assignment and the web site is down for today. I will share my own answers if you all will provide feedback on them. Any guidance on these topics would be much appreciated: Indicate whether each transaction is ...
Saturday, January 21, 2012 at 1:59pm

Algebra 1
23.what is the slope of a line parallel to a line represented by the equation x=2y-3? 19.what is the solution to the following system of equation? Y=4x-8 Y=2x 16.which graph below shows the function f(x)=-3x-1? 12.what is the solution to the following system of equations? Y=2x...
Saturday, January 21, 2012 at 12:53pm

Algebra 1
1. What is the domain of the function {(18,34),(22,64),(94,36),(11,18),(91,45)​}? 8.what is the equation of the line that includes the point (4,-3) and has a slope of -2? 12.what is the solution to the following system of equations? Y=2x-4 y=x 15.which function is not ...
Saturday, January 21, 2012 at 12:39pm

physics
A de-orbit burn, similar 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 290 ft/s (or 88.4 m/s) will be used to decrease the Shuttle’s altitude from 205 miles to 60 ...
Friday, January 20, 2012 at 6:55pm

math
Solve by the substitution method. What is the solution of the system? 3x+9y=48 -6x+y=56
Friday, January 20, 2012 at 4:37pm

Precalculus
This figure shows concentric circles of radii 3 and 5, respectively, centered at the origin of an xy-coordinate system. A ray from the center at an angle of t degrees to the x-axis cuts the two circles at points A and B. From A, a vertical line is drawn; and from B, a ...
Friday, January 20, 2012 at 3:40pm

physics
A space vehicle is coasting at a constant velocity of 21.1 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.380 m/s2 in the +x direction. After 41.0 s, the pilot ...
Friday, January 20, 2012 at 3:19pm

financial accounting
Connection Station, an internet café, had the following operating activities during the month of May: 1. Bought 800 in jump drives and disks, which are available for resale from Office Depot on credit 2. Paid 900 in utilities for the month of may 3. Paid 2000 rent for ...
Friday, January 20, 2012 at 2:40am

Social Studies
1.What did the states hope to gain under the Articles of Confederation? A. a strong central government B. freedom, independence, and a firm league of friendship C. a powerful gorvernment D. a strong court system 2.Which of the following BEST describes the government under the ...
Thursday, January 19, 2012 at 5:29pm

Algrebra-Systems of Equations
Kasey is thinking of 2 munbers. The sum of the two numbers is -18. Their difference is 38. Write a system of equations that can be used to find the numbers.
Thursday, January 19, 2012 at 4:52pm

physics
A car of mass 1200kg accelerates from rest to a speed of 8.0ms in a time of 2.0s. a)calc the forward driving force acting on the car while it is accelerating. b)At high speeds the resistive frictional force F produced by the air on a body moving with velocity V is given by the...
Thursday, January 19, 2012 at 4:18pm

Science
Any help would be apreciated! Which of the following is a way to improve the efficiency of a heat engine? increase Qh reduce Qh reduce Wnet increase Qc A What are the energies associated with atomic motion called? kinetic energy potential energy bond energy internal energy D A...
Thursday, January 19, 2012 at 2:51pm

science
Which type of taxonomic system uses what an animal looks like to classify it: a) phenic system b) cladistic system c) genetic system d) observatory system
Thursday, January 19, 2012 at 2:31am

Algrebra-Systems of Equations
Kasey is thinking of 2 munbers. The sum of the two numbers is -18. Their difference is 38. Write a system of equations that can be used to find the numbers.
Thursday, January 19, 2012 at 12:54am

Algrebra-Systems of Equations
One number is 12 less than three times another number. Their sum is 188. Write two equations that would be used to solve the system.
Thursday, January 19, 2012 at 12:50am

Algrebra-Systems of Equations
Mary is twice as old as her nephew. The sum of their ages is108. Write system of equations that could be used to find there ages.
Thursday, January 19, 2012 at 12:45am

Algrebra-Systems of Equations
A collection of dimes and quarters is worth $19.85. There are 34 more dime than quarters. Write a system of equations that can be used to find how many of each type of coin there are in the collection.
Thursday, January 19, 2012 at 12:39am

Algrebra-Systems of Equations
The perimeter of a rectangle is 110cm. The length is 1cm more than twice the width. Write 2 equations that would be used to solve the system.
Thursday, January 19, 2012 at 12:35am

algebra
The length of a rectangular playground is 4 meters less than 3 times the width. The perimeter is 64 meters. Write 2 equations that would be used to solve the system.
Thursday, January 19, 2012 at 12:29am

Science 7R
Binomial Nomenclature •also called scientific name •System developed by Carolus Linnacus approximately 200 years ago •written in Latin •made up of genus and species am i correct???? i got this answer from a wiki answer
Wednesday, January 18, 2012 at 9:53pm

Statistics
The levels of the Homeland Security Advisory System are listed. Severe High Elevated Guarded Low What data set level of measurement is this? Ordinal, Nominal, Interval, or Ratio?
Wednesday, January 18, 2012 at 7:02pm

MAth
Dan bought a home theater system for $178.99 on the installment plan. The terms of the contract said that he would pay $35 a month for six months. How much are his total payments?
Wednesday, January 18, 2012 at 6:16pm

Science
Any help would be appreciated! Which of the following is a way to improve the efficiency of a heat engine? increase Qh reduce Qh reduce Wnet increase Qc A What are the energies associated with atomic motion called? kinetic energy potential energy bond energy internal energy D ...
Wednesday, January 18, 2012 at 5:43pm

science
Identify two advantages of the modern system of symbols used to represent th elements.
Wednesday, January 18, 2012 at 1:54pm

college algebra
Solve the following equation in the complex number system. Please show all of your work. 2x^5-3x^4-32x+48=0
Wednesday, January 18, 2012 at 3:16am

customery units of measure
can you recommend a practice website for figuring out changing units in customary system lenght, cpacity , weight
Tuesday, January 17, 2012 at 7:48pm

Chemistry
If 244 KJ heat is released and 35 KJ WORK done on the system.calculte (a)change internal energy and change in enthalpy of system? (b) change in internal energy and change in enthalpy of the suround ?
Tuesday, January 17, 2012 at 3:42pm

Science 7R
how are cells organized in A multicellular organisms? cell, tissue, organ, organ system, organism, there's one more but i forgot... What is it???? Plus am I correct???
Monday, January 16, 2012 at 7:08pm

physics
A piston in a car engine has a mass of 0.75 kg and moves with motion wich was approximately simple harmonic. If the amplitude of zis oscillation is 10 cm and z max. safe operating speed of z engine is 6000 rev. per min. Calculate: a. Max acceleration of z piston b. Max.speed ...
Monday, January 16, 2012 at 2:32am

Algebra 1
Please...I really need help with this story problem. HELP! Marks pet needs to eat at least 18 grams of fiber but less than 25 grams of protein each day. Mark gives his dog Food A and Food B throughout the day. Food A has 2 grams of fiber and 3 grams of protein in each serving...
Sunday, January 15, 2012 at 8:54pm

science
Describe how a scientist using the phenic system would classify an organism.
Sunday, January 15, 2012 at 6:43pm

college mathematics1
solve the system x+6y=24, -6x+5y= -21
Saturday, January 14, 2012 at 6:24pm

physics
the system is in static equilibrium. The coefficient of static friction between the block and the table's surface is = 1/3. The mass of the block that is hanging down is n1 Kg. The tangent of the angle shown in the figure is tan theta = n2. What is the minimum value of ...
Saturday, January 14, 2012 at 4:35pm

operations management
1. What trade-offs are involved in shifting from a traditional operations systems to a lean operating syatem for” a. manufacturing b. servicing 2. Who in the organization is affected by a decision to shift from a traditional to lean operating system? 3. To what extent ...
Saturday, January 14, 2012 at 11:15am

Algebra 1
Marks pet needs to eat at least 18 grams of fiber but less than 25 grams of protein each day. Mark gives his dog Food A and Food B throughout the day. Food A has 2 grams of fiber and 3 grams of protein in each serving. Food B has 4 grams of fiber and 1 gram of protein for each...
Saturday, January 14, 2012 at 9:47am

MACROECONOMICS
compare and contrast the Islamic perspective on consumption, investment and savings to conventional economic system?
Saturday, January 14, 2012 at 7:35am

World History
Both Hindus and buddhists believe in A. Many gods B.The caste system C. Formal rituals I got C.
Friday, January 13, 2012 at 10:22pm

Algebra 1
Marks pet needs to eat at least 18 grams of fiber but less than 25 grams of protein each day. Mark gives his dog Food A and Food B throughout the day. Food A has 2 grams of fiber and 3 grams of protein in each serving. Food B has 4 grams of fiber and 1 gram of protein for each...
Friday, January 13, 2012 at 4:23pm

physics
TWO BLOCKS a AND b ARE CONNECTED BY A HEAVY ROPE OF MASS 2kg THE MASSES OF a AND b ARE 10 AND 5kg RESPECTIVELY.IF AN UPWARD FORCE OF 200N IS APPLIED TO THE TOP ROPE,THE SYSTEM IS MOVING VERTICALLY UPWARD UNDER GRAVITY A:FIND THE ACCELERATION OF THE SYSTEM B:WHAT IS THE TENTION...
Friday, January 13, 2012 at 2:59pm

physics
TWO BLOCKS a AND b ARE CONNECTED BY A HEAVY ROPE OF MASS 2kg THE MASSES OF a AND b ARE 10 AND 5kg RESPECTIVELY.IF AN UPWARD FORCE OF 200N IS APPLIED TO THE TOP ROPE A:FIND THE ACCELERATION OF THE SYSTEM B:WHAT IS THE TENTION AT POINT P1 AND P2 ON THE HEAVY ROPE?
Friday, January 13, 2012 at 2:46pm

social studies
What was the main economic system in the middle ages
Wednesday, January 11, 2012 at 8:58pm

social studies
Middle age,Renaissance, reformation, revolution, who came up with the system to classify living things?
Wednesday, January 11, 2012 at 7:04pm

ENGLISH
Please check for any errors and correct them. Any any suggestions would be great. Cancer is known as an unbiased killer that knows no race, age or sex of its victims. The disease, lung cancer, is the number one cause of cancer deaths in the United States. Lung cancer takes ...
Wednesday, January 11, 2012 at 2:00pm

accelerated 7th grade Lang. Art
please fill in the blank please please there will be a list of words below 1) We need large sums of money tp keep our school system going, but we are getting only a(n)__________________ if funds from the state. List: alight barren disrupt dynasty germinate hurtle interminable ...
Tuesday, January 10, 2012 at 8:07pm

BASIC ELEC
NAME THE 5 REQUREMENTS NECESSARY TO HAVE A SAFETY OPERATING ELECTRICAL CIRCUIT 1. CONDUCTOR 2. RESISTOR 3. SWITICH 4. CIRCUIT BREAKER IS THAT CORRECT? NAME 4 CONDUCTORS OF ELECTRICITY 1. COOPER 2. ALUMINIUM 3. BRASS 4. IRON IS THAT CORRECT ? WHAT ARE THE 4 FACTORS AFFECTING ...
Tuesday, January 10, 2012 at 6:11pm

computers
Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated system but has a very small budget. Write a 4-5 page paper in which you ...
Tuesday, January 10, 2012 at 11:52am

physics
A 0.5 Kg mass is supported by a spring . The system is set in vibration at its natural frequency of 4 Hz with an amplitude of 5 Cm.Find the spring constant .
Tuesday, January 10, 2012 at 1:56am

research&writing
Due Week 2 and worth 100 points Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated system but has a very small budget. Write a ...
Monday, January 9, 2012 at 11:23pm

physics
A 0.18 kg ball is placed in a shallow wedge with an opening angle of 110° For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless.
Monday, January 9, 2012 at 10:57pm

World History
How did the romans view greek culture, such as art, liturture, and philosophy, during the Greco-Roman period of civalization? A. The romans believed it was substandard B. The romans believed it will anger the gods and lead to mass distruction of there way of life C. The romans...
Monday, January 9, 2012 at 10:45pm

english
Could someone check my answers please?From "When Grees Meets Greek" 1) What can you conclude from the wording of the following text? "One morning Ramkilawansingh(after this, we calling this man Ram) was making a study of the noticeboards along Westbourne Grove ...
Monday, January 9, 2012 at 8:50pm

physics
A 0.5 Kg mass is supported by a SPRING . The system is set in vibration at its natural frequency of “ 4 Hz “ with an amplitude of “ 5 Cm “ . Find the spring constant .
Monday, January 9, 2012 at 8:44pm

Math; PLEASE HELP.
Tell whether the linear system has ONE SOLUTION, NO SOLUTION, or INFINITELY MANY SOLUTIONS. 4x-y=2 -x+3y=9
Monday, January 9, 2012 at 7:40pm

Math
Tell whether the linear system has ONE SOLUTION, NO SOLUTION, or INFINITELY MANY SOLUTIONS. 4x-y=2 -x+3y=9
Monday, January 9, 2012 at 6:26pm

World history
How did the romans view greek culture, such as art, liturture, and philosophy, during the Greco-Roman period of civalization? A. The romans believed it was substandard B. The romans believed it will anger the gods and lead to mass distruction of there way of life C. The romans...
Monday, January 9, 2012 at 6:06pm

algebra
selling prices of homes can depend on several factors such as size and age the table shows the selling price these data may be modeled by the equation P=a+ba+cs Price (P) Age (A) Size(S) 190 20 2 320 5 3 50 40 1 (a) write system of linear equations whose solution gives a, b, c...
Monday, January 9, 2012 at 5:56pm

World History
During the empire the roman legal system contributed to : A. The outbreak of cival war B. Further conquests C. The downfall of the emperor D. Unity and stablity I got D. Which of the following statements generally describes romes attitude towards the jews in palestine? A. They...
Monday, January 9, 2012 at 5:50pm

World History
How did pachacuti the sapi inca dominate an immense empire from his small kingdom in cuzco? A. His army had better weapons and recieved intense training B. People in the region thought he was the embodiment of the god zeus C. After he had subdued neighboring peoples he ...
Monday, January 9, 2012 at 5:46pm

case management
what are some similarities and differnces of case management in the community setting and in the managed care environment. As i see it, Case management has become a critical element in a community focused mental health system. Case management in the community is based on ...
Sunday, January 8, 2012 at 3:43pm

Math
Solve the linear system by using elimination. 9x-4y=26 18x+7y=22
Saturday, January 7, 2012 at 2:10pm

business
For this question, use the information for Sports Baseballs, Inc. Sports Baseballs, Inc. is a corporation that manufacturers and sells baseballs across several states in the Southeast. It had sales of $2.7 million during the last year. Expenses were as follows: Cost of goods ...
Saturday, January 7, 2012 at 11:41am

Physics
A 1000 kg car is moving at a constant speed of 7 m/s when it hits the back bumper of another car with 1200 kg of mass moving in the same direction at a constant speed of 6 m/s. As a result of the collision both bumpers get coupled. Show all work and calculations. 1. What is ...
Friday, January 6, 2012 at 9:30pm

Physics
A 500 g glass beaker is in thermal equilibrium with 100 ml of 20 Degrees celsius water in it. If a 5 g sample of copper is placed into the water and the system is allowed to come into thermal equilibrium, what will the final temperature of the system be? (assuming no heat loss...
Thursday, January 5, 2012 at 8:16pm

Math
Solve the linear system by using elimination. 6x+y=39 -2x+y=-17
Thursday, January 5, 2012 at 7:27pm

SOCIAL STUDIES
what is the dewey decimal system?
Thursday, January 5, 2012 at 4:48pm

statistics
a computer system requires all users to log on using a 6 character password. if each character can be either a digit from 0 to 9 or a letter of the alphabet, what is the number of possible passwords. please show formula used
Wednesday, January 4, 2012 at 11:32pm

Math
I SERIOUSLY need help! Solve the linear system by using substitution. x=6-4y 2x-3y=1 Explanation too, please! Please and thanks!
Wednesday, January 4, 2012 at 10:31pm

math
Please explain in detail how to solve each question: At a certain high school, 350 students are taking an algebra course. The ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys? How can you write a system of equations to model the ...
Wednesday, January 4, 2012 at 5:56pm

physics
One end of a metal rod is in contact with a thermal reservoir at 731 K, and the other end is in contact with a thermal reservoir at 107 K. The rod and reservoirs make up a closed system. If 6450 J are conducted from one end of the rod to the other uniformly (no change in ...
Wednesday, January 4, 2012 at 5:24pm

Thermodynamics
Determine the units of viscosity,m, in the following equation: t=m(du/dy), where t is a shear stress, u a velocity, and y is a distance in (a) the Engineering English system, and (b) the SI system.
Wednesday, January 4, 2012 at 3:56pm

maths
A company hires skilled employees, each working under contract to 35h and paid € 550 a week, others working under contract B 20h and paid € 220 per week. 1. These employees will have to make a total of 370h of work per week and the entrepreneur has a Bugdet weekly &#...
Wednesday, January 4, 2012 at 1:04pm

physics
A Carnot refrigerator is operating between thermal reservoirs with temperatures of 27.9°C and 0.0°C. a) How much work will need to be input to extract 13.7 J of heat from the colder reservoir? b) How much work will be needed if the colder reservoir is at -15.7°C?
Wednesday, January 4, 2012 at 7:56am

College Algebra
Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic or do it by synthetic division. Solve that ...
Tuesday, January 3, 2012 at 8:11pm

Physics
A deorbit burn has been performed. During this deorbit burn a pre-calculated Delta V (change in velocity) of 290 ft/s (or 88.4 m/s) will be used to decrease the Shuttle’s altitude from 205 miles to 60 miles at perigee. The Shuttle’s Orbital Maneuvering System (OMS) ...
Tuesday, January 3, 2012 at 6:17pm

College Algebra
Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0
Monday, January 2, 2012 at 11:42pm

Geometry
A city has a scale model of the solar system nearly 6 km long. The model's scale is 1 km : 1 billion km. a. Earth is 150,000,000 km from the Sun. How many meters apart are Earth and the Sun in the model?
Friday, December 30, 2011 at 11:24pm

postal service/mail delivery
Given that today is Thurs., Dec. 29th, 2011, will any parts of the postal system be running or not in the next few days? Does the federal government observe New Year's weekend as a holiday? Do they have people sorting the mail, delivering the mail, neither, or both?
Thursday, December 29, 2011 at 9:56pm

Government
The structure of the lower federal court system is established by. A. congress B.the constitution. C.the Supreme court. I think c
Thursday, December 29, 2011 at 7:43pm

Government
The lowest level of the federal court system is. A.District court. B.circuit court of appeal. C.justice of the peace. I say A
Thursday, December 29, 2011 at 7:38pm

math
How many solutions does the system have? y - 5x = -6 3y - 15x = -12 A) infinitely many solutions B) no solution C) two solutions D) one solution
Thursday, December 29, 2011 at 6:19pm

math
Please show me how to solve: Sharon has some one-dollar bills and some five-dollar bills. She has 14 bills. The value of the bills is $30. Solve a system of equations using elimination to find how many of each kind of bill she has.
Thursday, December 29, 2011 at 6:12pm

math
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. Write a system of inequalities that models the possible dimensions of the garden. Graph the system to show ...
Thursday, December 29, 2011 at 1:40pm

Math
Please explain in detail how to solve the following problem using elimination: It takes a florist 3 h 15 min to make 3 small centerpieces and 3 large centerpieces. It takes 6h 20 min to make 4 small centerpieces and 7 large center pieces. How long does it take to make each ...
Thursday, December 29, 2011 at 10:08am

Physics
The De-orbit Burn The Shuttle must reduce its velocity at a pre-calculated point in its orbit in order to return to Earth. In order to reduce the velocity and change the orbit of the Shuttle, a maneuver called the de-orbit burn is performed. For this maneuver, the Shuttle is ...
Wednesday, December 28, 2011 at 10:59pm

math
Please show me how to solve using elimination: It takes a florist 3 h 15 min to make 3 small centerpieces and 3 large centerpieces. It takes 5 h 20 min to make 4 small center pieces and 7 large centerpieces. How long does it take to make each small centerpiece and each large ...
Wednesday, December 28, 2011 at 5:30pm

Math
Please explain how to solve this equation with substitution: The owner of a hair salon charges $20 more per haircut than the assistant. Yesterday the assistant gave 12 haircuts. The owner gave 6 haircuts. The total earnings from haircuts were $750. How much does the owner ...
Wednesday, December 28, 2011 at 5:27pm

Finance
3. Determine the operating cash flow (OCF) for Kleczka, Inc., based on the following data. (All values are in thousands of dollars.) During the year the firm had sales of $2,500, cost of goods sold totaled $1,800, operating expenses totaled $300, and depreciation expenses were...
Thursday, December 22, 2011 at 8:30pm

Biology
how do animals that live in different enviroments meet their need for efficent gas exhcange? I was thinking maybe through their respiratory system? Body surface, lungs , gills, any specialized organs ? Or though the environment they live in ?
Wednesday, December 21, 2011 at 11:31pm

Government
The chief goal of the executive leadership system is: A.the shifting of power from congress to the president. B.improved coordination through the presidency of the bureaucracy's programs and agencies. C.the establishment of partisanship as the basis for the administration ...
Wednesday, December 21, 2011 at 12:20pm

Government
When it was developed during the jackson administration,the patronage system was designed to: A.provide jobs to merit appointees. B.increase congressional control of the bureaucracy. C.increase judicial control of the bureaucracy. D.make the administration of government more ...
Wednesday, December 21, 2011 at 11:29am

pre calculus
solve the following equation in the complex number system Please show all your work. 5x^5 + 32x^4 - 5x - 32 = 0
Wednesday, December 21, 2011 at 11:11am

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