Friday

January 30, 2015

January 30, 2015

**Recent Homework Questions About Operating Systems**

Post a New Question | Current Questions

**Chemistry **

Use equations to explain how a buffer system, such as hno2:no2, reacts with h3o and oh?
*Monday, December 9, 2013 at 4:40pm*

**Astronomy**

1. In this collection of problems we will try to use what we have learned to see what information about a hypothetical Solar System planet we can extract from observations. The planet, Nursat, is observed to be in opposition every 374 days. Use this information to find the ...
*Monday, December 9, 2013 at 3:44pm*

**Astronomy**

In fact, more precise calculations suggest that ISON was on a hyperbolic, unbound orbit. How much more precise? Find the minimal speed with which the comet would have had to be moving when observed at perihelion in order to eventually escape the Solar system, in km/s.
*Monday, December 9, 2013 at 3:42pm*

**Algebra 1 (Reiny or Kuai)**

1. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system of equations to describe the situation. A: y = 2x; y = 0.50x + 16. b. Graph the system. What does the ...
*Monday, December 9, 2013 at 2:57pm*

**Algebra 1 (Reiny or Kuai)**

1. Which x-values should I choose to graph these equations (y = x; y = -x + 6) so that they intersect? 2. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system ...
*Monday, December 9, 2013 at 1:24pm*

**law**

can someone help me find the information I need for this question please. What are the theoretical and practical problems with the comprehensive punishment system Morris and Tonry propose?
*Sunday, December 8, 2013 at 1:19pm*

**Chemistry**

Consider the titration of 100.0 mL of 0.260 M propanoic acid (Ka = 1.3 ✕ 10−5) with 0.130 M NaOH. Calculate the pH of the resulting solution after each of the following volumes of NaOH has been added. (Assume that all solutions are at 25°C.) (a) 0....
*Sunday, December 8, 2013 at 1:31am*

**Math Help!**

1.) Solve the system by graphing. You may use paper or a calculator. 2x - y = 8 x + 3y = 11 2.) The revenue for a certain brand of toothpaste is y = 2.5x where 'x' is the number of tubes of toothpaste sold and 'y' is the total income for selling 'x' ...
*Saturday, December 7, 2013 at 11:28pm*

**Math**

1.) Can a system of linear equations have exactly two solutions? A. True B. False 2.) The solution of a system of equations with no solution describes what kind of lines? a.) parallel b.) perpendicular c.) skew d.) coincidental
*Saturday, December 7, 2013 at 8:33pm*

**Math**

1.) Solve the system by graphing. You may use paper or a calculator. 2x - y = 8 x + 3y = 11 2.) The revenue for a certain brand of toothpaste is y = 2.5x where 'x' is the number of tubes of toothpaste sold and 'y' is the total income for selling 'x' ...
*Saturday, December 7, 2013 at 8:30pm*

**college algebra**

solve the system 2x+y=-4 -x+y= 2
*Saturday, December 7, 2013 at 8:23pm*

**Math Homework**

Hello! I need help with these math questions, thanks! :) 1.) Solve the system by substitution. 5x + 2y = -17 x = 3y 2.) Solve the system by substitution. x/3 + y = 4/3 -x + 2y = 11 3.) Solve the system by elimination. 2x - 3y = 0 2x + 6y = 3 4.) Solve the system by elimination...
*Saturday, December 7, 2013 at 1:47pm*

**math**

Identify the solution(s) of the system of equations, if any. 2x+5y=10, y=2-x
*Saturday, December 7, 2013 at 10:57am*

**Dyanamics**

A particle of mass m moves in a x-y plane. the co-ordinates of the particle at any instant are given by x=acos(wt) & y=bsin(wt) where a,b,w are constsnt.Determine the angular momentum of the particle with .r.to the origin of the co-ordinate system
*Friday, December 6, 2013 at 7:00pm*

**physics**

In the figure, two skaters, each of mass 58.0 kg, approach each other along parallel paths separated by 2.79 m. They have opposite velocities of 1.50 m/s each. One skater carries one end of a long pole of negligible mass, and the other skater grabs the other end as she passes...
*Thursday, December 5, 2013 at 11:11am*

**physics**

Suppose a driver's car needs to travel 46.4 miles in 1.000 hour at a constant speed. If the tires of the car have a rolling radius of 28.4 cm, what will be the period of rotation of each tire? Suppose a moon of a planet in a distant solar system has an average orbital ...
*Wednesday, December 4, 2013 at 9:53pm*

**Physics **

A400 N child is swing that is attached tow ropes 2m long , find the gravitational potential energy of the child-earth system relative to the red line level when ropes make an angle with the vertical .
*Wednesday, December 4, 2013 at 7:12am*

**Chemistry**

Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium system of unknown ...
*Tuesday, December 3, 2013 at 11:46pm*

**physics**

An obnoxious brat assigns his 0.0221-kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. During the launch process the spring transfers 0.707 J of energy into the \'mouse Earth gravitational ...
*Tuesday, December 3, 2013 at 11:32pm*

**AIS**

Regarding COBIT, which of the following statements is true? a) COBIT means Cost Objectives for Information and Related Technology b) COBIT rejects the definition of internal control from the COSO report c) COBIT states that a company’s management should play a minor role ...
*Tuesday, December 3, 2013 at 11:19pm*

**CHEMISTRY**

Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium system of unknown ...
*Tuesday, December 3, 2013 at 9:03pm*

**physics**

An obnoxious brat assigns his 0.0221-kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. During the launch process the spring transfers 0.707 J of energy into the \'mouse Earth gravitational ...
*Tuesday, December 3, 2013 at 9:02pm*

**College algebra**

Solve the system Y=3x-2 6x-2y=30
*Tuesday, December 3, 2013 at 3:29pm*

**College algebra**

Solve the system X=2y+3 3x+4y=59
*Tuesday, December 3, 2013 at 3:28pm*

**operating system**

Problem 3- A block of mass m1 = 4 kg moves from rest under the influence of a varying force F(x) = 4x + 38, where F is in newton and x is in meters, on a rough horizontal surface having a coefficient of kinetic friction of 0.2. The block is connected by a light cord passing ...
*Tuesday, December 3, 2013 at 11:04am*

**AP Chemistry**

The system CO2(g) + H2(g)<->H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00 mole CO2, 1.00 mole H2, 2.40 moles H2O, and 2.40 moles CO. How many moles of CO2 must be added to the system to bring the equilibrium CO ...
*Monday, December 2, 2013 at 9:18pm*

**Finance**

Firm is contemplating the purchase of a new warehouse inventory management system which will cost 3,600,000 at the end of its 8 year life. The warehouse management system will be depreciated straight line to 300,000 over its 8 year life. It is estimated it will reduce costs by...
*Monday, December 2, 2013 at 6:24pm*

**Physics **

Problem 3- A block of mass m1 = 4 kg moves from rest under the influence of a varying force F(x) = 4x + 38, where F is in newton and x is in meters, on a rough horizontal surface having a coefficient of kinetic friction of 0.2. The block is connected by a light cord passing ...
*Sunday, December 1, 2013 at 11:36pm*

**physics**

A certain elevator car has mass 2200 kg and is lifted by cables driven by an electric motor. The efficiency of the lift system (motor, pulleys, cable, etc.) is 67.0%. As the elevator car moves at constant speed of 3.0 m/s it encounters 220N of friction coming from its tracks. ...
*Sunday, December 1, 2013 at 7:46pm*

**Windows 7 operating system**

A medium-sized survey company stores sensitive government data that is used as part of the study. A security requirement from the government requires that all sensitive data must remain stored at the company's head office. All staff and the head office network have ...
*Sunday, December 1, 2013 at 2:08pm*

**Finance - Capital Budgeting/Bid Price**

We have been requested by a large retailer to submit a bid for a new point-of-sale credit checking system. The system would be installed, by us, in 89 stores per year for three years. We would need to purchase $1,300,000 worth of specialized equipment. This will be depreciated...
*Sunday, December 1, 2013 at 12:07pm*

**Health (Ms. Sue)**

1. Compare three types of hereditary diseases. A: Single-gene diseases occur when 1 gene out of the 30,000 to 40,000 genes in the body has a harmful mutation, whereas in complex diseases, more than one gene influences the onset of the disease. However, chromosomal diseases can...
*Saturday, November 30, 2013 at 9:29pm*

**Behavioural Economics**

1.Which of the following is NOT one of the mantras prescribed the practitioner’s guide to nudging? (any one) A. If you want people to do something, make it easy and fun B. Always run between-participant experiments to ensure a test of causality C. There can be no evidence...
*Thursday, November 28, 2013 at 3:44am*

**PHYSICS**

The rms output voltage of an AC source is 210 V, and the operating frequency is 90 Hz. Write the equation giving the output voltage as a function of time t.
*Wednesday, November 27, 2013 at 9:40pm*

**introduction to health care **

the term universal in the canda health act means that a.all canadiands must pay into the system b.all residents of a given province are covered under that's provinces health care plan c.a Canadian resident can be covered by the health care plan of the provice he visits d....
*Wednesday, November 27, 2013 at 7:52am*

**physics**

The shock absorbers in the suspension system of a car are in such bad shape that they have no effect on the behavior of the springs attached to the axles. Each of the identical springs attached to the front axle supports 303 kg. A person pushes down on the middle of the front ...
*Tuesday, November 26, 2013 at 3:45pm*

**Chemistry**

1) A dog has the same mass for 3 years. State whether this represents an equilibrium or steady state situations, and give your reasons. I'm not sure if I got this question right... I think this is a steady state because the dog is opened to the environment where oxygen is ...
*Monday, November 25, 2013 at 5:18pm*

**Finance**

The company bought some land three years ago for $3.8 million in anticipation of using it as a toxic dump site for waste chemicals, but it built a piping system to safely discard the chemicals instead. The land was appraised last week for $4.6 million. In five years, the ...
*Monday, November 25, 2013 at 12:30pm*

**Finance **

Suppose you have been hired as a financial consultant to Defense Electronics, Inc. (DEI), a large, publicly traded firm that is the market share leader in radar detection systems (RDSs). The company is looking at setting up a manufacturing plant overseas to produce a new line ...
*Monday, November 25, 2013 at 12:35am*

**physics **

The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
*Sunday, November 24, 2013 at 7:05pm*

**please help me!! physics **

The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
*Sunday, November 24, 2013 at 6:34pm*

**water treatment**

A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The influent flow (dwf) is 30,000 m3/day and the influent BOD concentration is 300 mg BOD/l. The suspended solid concentration in the influent is 150 ...
*Sunday, November 24, 2013 at 7:49am*

**Challenge**

Suppose you have been hired as a financial consultant to Defense Electronics, Inc. (DEI), a large, publicly traded firm that is the market share leader in radar detection systems (RDSs). The company is looking at setting up a manufacturing plant overseas to produce a new line...
*Saturday, November 23, 2013 at 11:51pm*

**Finance**

Calculate the project’s initial Time 0 cash flow, taking into account all side effects.? This will be a five-year project. The company bought some land three years ago for $4.2 million in anticipation of using it as a toxic dump site for waste chemicals, but it built a ...
*Saturday, November 23, 2013 at 11:04pm*

**Finance**

Calculate the project’s initial Time 0 cash flow, taking into account all side effects.? This will be a five-year project. The company bought some land three years ago for $4.2 million in anticipation of using it as a toxic dump site for waste chemicals, but it built a ...
*Saturday, November 23, 2013 at 10:56pm*

**Algerbra**

if possible, solve the nonlinear system of equations. x^2+y^2=58 y-x=4
*Saturday, November 23, 2013 at 4:56pm*

**Solar Energy**

With respect to a PV module's I-V and P-V curves, and the module's operating point, consider the following statements: a) When the operating point of the PV module is on the MPP (maximum power point), \(P_{mpp} \lt V_{oc} \times I_{sc} \) b) For a given Irradiance and ...
*Saturday, November 23, 2013 at 4:13pm*

**Accounting**

Hawkeye Electric Company engaged in the following transactions during July. Journalize the preceding transactions on the books of Hawkeye Electric Company using the perpetual system of inventory. July 2 – Purchased inventory for cash, $800 July 5 – Purchased store ...
*Saturday, November 23, 2013 at 3:43pm*

**Algebra**

Make a conjecture about the solution of a system of equations if the result of subtracting one equation from the other is 0 = 0 A. There are no solutions b. there are infinite number of solutions c. Cannot determine any solution d. the solutions are inverses of each other
*Saturday, November 23, 2013 at 3:31pm*

**financial analysis**

Total Current assets Total Current Liabilities Net Working Capital Current Ratio a. Cash is acquired through issuance of additional common stock. _________ _________ _________ _________ b. Merchandise is sold for cash. (Assume a profit.) ___+______ _________ ____+_____ ___+...
*Saturday, November 23, 2013 at 12:28pm*

**algebra 1**

Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
*Saturday, November 23, 2013 at 7:57am*

**algebra 1**

Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
*Friday, November 22, 2013 at 10:27pm*

**algebra 1**

Material cost equation : 30x + 2y = 200 Profit equation : 100x + 5y = 400 B. Explain your inequalities and explain why x<8 and y<40 are also inequalities for this system
*Friday, November 22, 2013 at 6:11pm*

**algebra 1**

. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
*Friday, November 22, 2013 at 5:21pm*

**Algebra**

Use the matrix tool to solve the system of equations. Choose the correct ordered pair. -3x + 5y = 19 5x - 5y = -5
*Friday, November 22, 2013 at 2:41pm*

**Algebra**

What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3 {y - x = 2 So confused about how to do this any help is appreciated.
*Friday, November 22, 2013 at 1:42am*

**Art of Research**

I need to do an interview segment for a "show green", which is a storyboard for a TV show. It will include production notes as well. My topic for this show green is on the business of the National Hockey League, in terms of their revenue, salary cap, free agency ...
*Thursday, November 21, 2013 at 5:29pm*

**Health (Ms. Sue)**

Explain why it is important to have an efficient public health system if an outbreak of a disease occurs.
*Thursday, November 21, 2013 at 4:31pm*

**Math quick question **

Create a system of linear equations with this situation: Megan considers two different car rental options. One option costs $19 per day plus $0.12 per kilometre . Another option costs $42.50 per day for unlimited kilometres . Thanks :)
*Wednesday, November 20, 2013 at 11:17pm*

**College Algebra**

Solve the System 2x-8y=20 3x-12y=30
*Wednesday, November 20, 2013 at 9:13pm*

**Health (Ms. Sue)**

Describe how vaccinations work to protect the body from illness. A: When a vaccine is injected or swallowed, the immune system responds to the vaccine material by making white blood cells called memory cells. Therefore, when or if the pathogen against which the vaccine was ...
*Wednesday, November 20, 2013 at 8:10pm*

**waste water treatment **

ACTIVATED SLUDGE AND NUTRIENT REMOVAL =========================================== A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The influent flow (dwf) is 30,000 m3/day and the influent BOD...
*Wednesday, November 20, 2013 at 3:10am*

**Physics-Attention ELENA**

A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ as shown. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both ...
*Wednesday, November 20, 2013 at 12:32am*

**world history**

Which of the following is true of the Antarctic Treaty System? A. It bans commercial mining in Antarctica. B. It's actually the Society for the Geographic Exploration of Antarctica. C. It was established specifically to enforce ecological regulations. D. It provides the de...
*Tuesday, November 19, 2013 at 11:39pm*

**Physics**

calculate the acceleration of this system, assuming that there are no frictional forces between the table and Block A. Block A is sitting on a table connected by a rope to a pulley system and Block B is hanging off the table connected to the rope from the pulley system. Mass ...
*Tuesday, November 19, 2013 at 10:39pm*

**Dau**

2. A sample of a gas occupied a volume of 1.40 liters when the pressure was 768 torr and the temperature was 26.9 °C. The volume of the system was readjusted to 2.16 liters by changing the temperature. What was the temperature in the system?
*Tuesday, November 19, 2013 at 1:39pm*

**Social Studies**

Which of the following is most likely a piece of modern Chinese state propaganda? a. a short film promoting the Cultural Revolution. b. a statue showing the modern thinker Confucius. c. a poster supporting the one-child policy. d. a website giving information about a ...
*Tuesday, November 19, 2013 at 12:39pm*

**Health (Ms. Sue)**

Compare the effects of stimulants, depressants, opiates, and hallucinogens on the body and behavior. A: 6. Depressants slow down a person’s behavior and the part of the central nervous system, which leads to symptoms such as drowsiness, relaxation, decreased inhibition, ...
*Tuesday, November 19, 2013 at 12:19pm*

**Math Help**

1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money...
*Tuesday, November 19, 2013 at 8:20am*

**Health (Ms. Sue)**

"Cameron and Tony walked up to the counter at the convenient store. "What are you getting?" asked tony. "Nothing I'm out of cash," replied Cameron. "Didn't you have a bunch of money last week?" asked Tony. "Yeah, but I spent it ...
*Monday, November 18, 2013 at 9:44pm*

**TO ANY MATH HELPERS**

Pleeeese help! Use the substitution method to solve each linear system: -x+3y+1=0 3x-y+1=0 4x-3y=-13 -2x+y=4 Please help, thanks:):)!!!!
*Monday, November 18, 2013 at 8:08pm*

**Math 2 questions**

Use the substitution method to solve each linear system: -x+3y+1=0 3x-y+1=0 4x-3y=-13 -2x+y=4 Please help, thanks:):)!!!!
*Monday, November 18, 2013 at 7:42pm*

**waist water treatment**

1/Why do the following components need to be removed from sewage under current law before it can be discharged on the surface water? Nitrogen Algea growth in receiving water Growth of waterborne diseases Turbidity increase of receiving water Oxygen depletion of receiving water...
*Monday, November 18, 2013 at 2:36pm*

**Physics-dynamics**

A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both measured ...
*Monday, November 18, 2013 at 2:24pm*

**Physics, Elena Please Help If u can.**

A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both measured ...
*Monday, November 18, 2013 at 7:26am*

**Physics please help!!!!!**

A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both measured ...
*Monday, November 18, 2013 at 6:11am*

**Algebra 2**

Solve the system by elimination: -2x + 2y + 3z = 0 -2x - y + z =-3 2x + 3y + 3z = 5 How do I do this? I need steps to understand please....
*Monday, November 18, 2013 at 2:53am*

**Question About Math**

Hello! I have two math questions: 1.) Marcos has 28 coins that are all nickels (n) and dimes (d). The value of the coins is $2.05. Which system of equations can be used to find the number of nickels and the number the dimes? A. n + d = 28 5n + 10d = 205 B. n + d = 28 10n + 5d...
*Sunday, November 17, 2013 at 8:10pm*

**accounting**

Exercise 5-3 Analyzing and recording merchandise transactions-both buyer and seller LO P1, P2 Santa Fe Company purchased merchandise for resale from Mesa Company with an invoice price of $16,000 and credit terms of 3/10, n/60. The merchandise had cost Mesa $10,912. Santa Fe ...
*Sunday, November 17, 2013 at 7:53pm*

**Business 101**

1. Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients’ businesses. Carmen is working as a A. public accountant. B. ...
*Sunday, November 17, 2013 at 6:59pm*

**Math**

An irrigation pump can pump 250 liters of water per minute. How many hours should the system work to water a rectangular ﬁeld 75 m by 135 m to a depth of 3 cm?
*Sunday, November 17, 2013 at 4:54pm*

**Math**

The Pioneer 10 spacecraft passed the planet Jupiter on December 12, 1973, and exited the solar system on June 14, 1983. The craft traveled from Mars to Jupiter, a distance of approximately 1 billion kilometers, in one year and nine months. a.Calculate the approximate speed of ...
*Sunday, November 17, 2013 at 12:49pm*

**Math**

An irrigation pump can pump 250 liters of water per minute. How many hours should the system work to water a rectangular ﬁeld 75 m by 135 m to a depth of 3 cm?
*Sunday, November 17, 2013 at 12:48pm*

**chemistry**

1. A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 40 gallons of gasoline every month, producing about 750 lbs of carbon dioxide.\" To determine the truth of this statement, ...
*Sunday, November 17, 2013 at 10:34am*

**Algebra! any kind of help on this question!**

Larsen’s Sharpening Shop, specializes in sharpening saws. Terry Larsen has determined that the cost of operating the shop is given by the function: C(x) = x^2 – 40x + 430, where x is the number of saws sharpened daily. a. Write C(x) = x^2 - 40x + 430 = a(x-h)^2 + k, ...
*Sunday, November 17, 2013 at 6:14am*

**Algebra please help**

Larsen’s Sharpening Shop, specializes in sharpening saws. Terry Larsen has determined that the cost of operating the shop is given by the function: C(x) = x^2 – 40x + 430, where x is the number of saws sharpened daily. a. Write C(x) = x^2 - 40x + 430 = a(x-h)^2 + k, ...
*Sunday, November 17, 2013 at 5:11am*

**ALGEBRA! **

Larsen’s Sharpening Shop, specializes in sharpening saws. Terry Larsen has determined that the cost of operating the shop is given by the function: C(x) = x^2 – 40x + 430, where x is the number of saws sharpened daily. a. Write C(x) = x^2 - 40x + 430 = a(x-h)^2 + k, ...
*Saturday, November 16, 2013 at 6:31pm*

**Human services **

I am having terrible trouble with this assignment. I cannot find the information i need, I am using a website called HOPE of East Central Illinois Here are the questions How do these laws influence the organization's decision-making and its day-to-day operations? What role...
*Saturday, November 16, 2013 at 12:52pm*

**Chemistry**

You are operating an X-ray tube with a cobalt (Co) target by applying an acceleration potential of 53 kVolt. Calculate the value of the characteristic wavelength λKα. Express your answer in meters.
*Friday, November 15, 2013 at 2:38pm*

**solid chemestry**

Consider the gold-platinum system which has a value of delta w of -4250 J/mole; (a) Calculate the enthalpy of mixing for a solution of 10% platinum and 90% gold. Express your answer in units of kJ/mole.
*Friday, November 15, 2013 at 1:20pm*

**Physics**

To better understand the concept of static equilibrium a laboratory procedure asks the student to make a calculation before performing the experiment. The apparatus consists of a round level table in the center of which is a massless ring held in place with a pin. There are ...
*Thursday, November 14, 2013 at 10:36pm*

**Ap bio**

When an amount of heat is transferred at a steady temperature, what happens to the entropy of the system gaining the heat? a.It decreases. b.It increases. c.It is lost to its surroundings. >>> d.It is unchanged.
*Thursday, November 14, 2013 at 10:34pm*

**Math**

If you are describing a graph that consists of a parabola and a line that intersect at two points, would the system be dependent and consistent. Or is dependent only used if the system has an infinite amount of solutions? Thanks!
*Thursday, November 14, 2013 at 9:52pm*

**Government**

Which is NOT a factor that reinforces America's two-party system? 1.)Broad ideological consensus limits the appeal of radical parties. 2.)The winner-take-all system makes it harder for third parties to gain popularity. 3.)The two-party system was preferred by the Founding ...
*Thursday, November 14, 2013 at 9:34pm*

**Solar Energy**

Family Cartman has a small house in the country side which is not connected to the grid. The place enjoys 4 equivalent sun hours. Therefore, Mr Cartman has decided to install an off-grid PV system in the house to supply the required electicity in the house. The house ...
*Thursday, November 14, 2013 at 9:40am*

**Solar Energy**

Consider a 250 Wp rated crystalline silicon PV module. It results from a manufacturing process that consumes 8kWh/Wp of PV module. a) What is the total energy consumed (in kWh) during the production of the module? Assume that the PV module is used in a location where it gives ...
*Thursday, November 14, 2013 at 6:22am*

**Solar Energy**

Which of the following variables does NOT affect the economic payback period of a PV system? 1)Insolation received by the PV system 2)Subsidies and feed-in tariffs 3)Cost of electricity 4)Overall lifetime of the PV system
*Thursday, November 14, 2013 at 6:21am*

**Social Studies**

1. How were the farms of the New England colonies similar to the farms of the Up Country? A. They grew rice B. They were plantations C. They had short growing seasons. D. They were small subsistence 2. Rice grew successfully in South Carolina because slaves________ A. Brought ...
*Wednesday, November 13, 2013 at 10:04pm*

**chemistry**

I am having a hard time with this problem. I was wondering where I went wrong. The problem says The equilibrium constant, Kc, for the reaction of H2 and N2 is 1.7×10^2 at 225 ∘C. 3H2(g)+N2(g)←→2NH3(g) If the system at equilibrium contains 0.16M H2 and 0...
*Wednesday, November 13, 2013 at 9:56pm*

**first steps in using a personal computer**

as you boot up your computer system,nothing is displaying on the monitor.you check that the monitor is turned on and that all the power cords are plugged into a working source of electricity.what should you do next a.check that all the cables between components are securely ...
*Wednesday, November 13, 2013 at 12:44pm*

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