Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

Ms. Sue please science
14. The ______ system uses all of your body’s senses to help maintain homeostasis is the answer control?
Wednesday, March 13, 2013 at 10:14pm

calculus
Based on data from 1999 to 2001, the rate of change in the annual net sales of Pepsi-Cola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit may be modeled by P(t) = 12t + 76 million ...
Wednesday, March 13, 2013 at 9:31pm

science help ASAP please
The ______ system uses all of your body’s senses to help maintain homeostasis. Is the answer "control"? Or is it "endocrine"?
Wednesday, March 13, 2013 at 8:14pm

math help please ASAP
The ______ system uses all of your body’s senses to help maintain homeostasis. Is the answer "control"? Or is it "endocrine"?
Wednesday, March 13, 2013 at 7:31pm

Java programming
can you show me where is the wrong for this program..because it contains error..i dont know where is it wrong..help..tq.:) import java.util.Scanner; public class BMR { public static void main(String[] args, int x) { Scanner keyboard = new Scanner(System.in); int pound, inch,...
Wednesday, March 13, 2013 at 2:43pm

biology
Caffeine is the most widely used stimulant in the world today. This naturally produced molecule is found in popular beverages from coffee to black tea to Coca Cola. Although humans use caffeine to ward off drowsiness, the caffeine produced by plants makes the leaves and seeds ...
Wednesday, March 13, 2013 at 12:56pm

Phyics
The internal energy change in a system that has absorbed 4 Kcals of heat and 1000 J of work is:
Tuesday, March 12, 2013 at 11:36pm

Algebra
Given the system of equations \begin{cases} x(x+y) &=& 9 \\ y(x+y) &=& 16 \end{cases} the value of xy can be written as \frac{a}{b} where a and b are positive coprime integers. Find a+b.
Tuesday, March 12, 2013 at 10:06pm

chemistry
I need 1L of a pH 4 buffer with a total molarity of 1. Propose a buffer system and a recipe to achieve this goal. (acetic acid/acetate would probably be a good choice.) help please!
Tuesday, March 12, 2013 at 8:28pm

..
if you already had the chiken pox you can be arournd a person with the disease without no fear of becoming sick. what feature of the immune system explains this? a. acquired immunity b. cell- mediated immunity c. humoral immunity d. primary immune system
Tuesday, March 12, 2013 at 6:15pm

English
Thank you! Specific sentence about capitalizating: The sentence is also long. Would you break it up like my eaxample. I have a Web Design and Interactive Media Associates degree. I also have experience in basic web design, graphic design, basic web scripting, web system ...
Tuesday, March 12, 2013 at 3:51pm

algebra
Given the system of equations x(x+y)=9 y(x+y)=16 the value of xy can be written as a/b where a and b are positive coprime integers. Find a+b.
Tuesday, March 12, 2013 at 12:06pm

Physics
A block of mass m1 = 22.0 kg is connected to a block of mass m2 = 40.0 kg by a massless string that passes over a light, frictionless pulley. The 40.0-kg block is connected to a spring that has negligible mass and a force constant of k = 260 N/m as shown in the figure below. ...
Tuesday, March 12, 2013 at 1:53am

Finance
The Oakland Mills Company has disclosed the following financial information in its annual reports for the period ending March 31, 2011: sales of $1,544,077, costs of goods sold of $639,978, depreciation expenses of $175,000, and interest expenses of $89,575. Assume that the ...
Tuesday, March 12, 2013 at 1:15am

Health Ms. Sue please
1. What occurs in a woman's body during a menstrual cycle? (1 point) The egg matures in the ovary. The uterine lining builds up. The egg releases from the ovary. all of the above 2. The _______ produces the hormone that develops the reproductive system, which is ...
Monday, March 11, 2013 at 8:05pm

Chemistry
Iodine is mainly found in water in the trioxide ion, I3 which is formed by the combination of molecular iodine, I2 and Iodide, I-, according to the equation: I2(aq) +I-(aq) <----> I3(aq) QUESTION: how does the system in the equilibrium seem to respond to the changes ...
Monday, March 11, 2013 at 2:37pm

Bioprocessing
A continuously operated 1000 liter CSTR is used for production of biomass from glucose provided by the feed (feed rate of 100l/h and glucose concentration of 10 g/l). The bacteria show Monod type growth with a maximal specific growth rate of 0.4/h and an affinity towards ...
Monday, March 11, 2013 at 1:26am

math
use subsitution system to solve 4x+5y=21 Y=3x-11
Sunday, March 10, 2013 at 8:51pm

life orientation
Name 3 different systems of media ownership that can be found worlwide.Name a country where each system can be found
Sunday, March 10, 2013 at 3:12pm

Algebra 1
Solve the system by addition 10x+3y=4 -20x-6y=-8
Sunday, March 10, 2013 at 12:17pm

Algebra 1
Solve the system by addition. 10x+3y=4 -20x-6y=-8
Sunday, March 10, 2013 at 12:13pm

stats
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30. What is the probability that fewer than 40 batteries will last at least 8...
Sunday, March 10, 2013 at 8:45am

Physics
The system has two wheels and requires an effort of 12N to lift a load of 4kg at constant speed. Find M.A nd V.R.. Calculate work done by effort to raise load of 2m and efficiency of this machine.
Sunday, March 10, 2013 at 8:22am

Introduction to Business Environment Chapter 2
The world's population is growing more slowly than expected, and there are some industrial countries in which growth might be so slow that there will be too many old people and too few young people to support them. (Points : 1) True False 2. In a free market system, price ...
Sunday, March 10, 2013 at 5:40am

strategic ffinancial mangement
XYZ company is contemplating the purchase of a new machinery costing rupees 30000with an expected life of 5 year at the end of which period , it can be solved for rupees 750 thousand in replacement of an old machine purchased 3 years ago for rupees 15000 with an expected life ...
Sunday, March 10, 2013 at 5:01am

english
This technology allows the online learner to connect to the online school in order to access the courses. A. Multimedia B. Internet C. Operating system D. Browser is it B
Saturday, March 9, 2013 at 9:01pm

Algebra 2...
On isometric dot paper, graph the system of equations at right. What shape is their intersection? Use color to show the intersection clearly on your graph. 10x + 6y + 5z = 30 6x + 15y + 5z = 30 Is the intersection where the two planes OVERLAP?
Saturday, March 9, 2013 at 7:44pm

Astronomy - Physics
Finally, we will look at a system that is in an orbit comparable to the Earth to see how the angle that the light strikes the surface and the length of day contribute to the total amount of energy that we receive from the Sun at the two solstices. Recall that the changing ...
Saturday, March 9, 2013 at 7:20pm

Account
Updraft Systems, Inc., makes paragliders for sale through specialty sporting goods stores. The company has a standard paraglider model, but also makes custom-designed paragliders. Management has designed an activity-based costing system with the following activity cost pools ...
Saturday, March 9, 2013 at 5:42pm

Accounting - Struggling answering this.
Updraft Systems, Inc., makes paragliders for sale through specialty sporting goods stores. The company has a standard paraglider model, but also makes custom-designed paragliders. Management has designed an activity-based costing system with the following activity cost pools ...
Saturday, March 9, 2013 at 5:07pm

system development
Terrier News Situation: Terrier News is a monthly newsletter devoted to various breeds of terriers and topivs of interest to terrier owners and breeders. Annie West, the editor and publisher, asked you to help her design a systems to enter and manage the hundreds of classified...
Saturday, March 9, 2013 at 12:10am

Teacher Aide
Which statementis true regarding the structure of the school system in the U.S. a its centralized under the Dept of Education b It's decentralized c It's controlled by the teacher's and their unions d It's managed by the state
Saturday, March 9, 2013 at 12:00am

math
use substitution to solve system -2x+y= -9 =5x+4y= -30
Friday, March 8, 2013 at 9:23pm

summarize
Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a fact of life personally and in business. We make dozens of decisions each day. Some decisions are simple, ...
Friday, March 8, 2013 at 11:09am

math
two systems of equations are giving below for each system choosethe best description of its solution if applicable give solution x+4y=8 -x-4y= -8 choose which one this problem fit in 1)the system has no solution 2) the system has a unique solution (x,y)= or the system has a ...
Thursday, March 7, 2013 at 5:22pm

Physics-VASTS
The Mass Budget: Mars Reconnaissance Orbiter Repair Mission Operational Concept Math Problem: The Mars Reconnaissance Orbiter (MRO) has encountered a failure in its High Resolution Imaging Science Experiment (HiRISE) camera. Mission Case: As the HiRISE camera contains the ...
Thursday, March 7, 2013 at 4:29pm

algebra
graph the system and write the solution -2x+y=6 y=1/2+3
Thursday, March 7, 2013 at 3:55pm

math
solve the system of equations in three variables -3x+y-z=-10
Thursday, March 7, 2013 at 3:48pm

Fundamentals of math
solve the system by substitution.. -3x-5y=-17 4x=y-8
Thursday, March 7, 2013 at 3:36pm

math
use substitution to solve the system -5x+2y=27 y=2x+11 x= y=
Thursday, March 7, 2013 at 12:45pm

math
use the substitution to solve the system -5x+24=27 y=2x+11 x= y=
Thursday, March 7, 2013 at 12:40pm

math
solve the following system of equations 8x+9y= -19 -3x+7y= -24 x= y=
Thursday, March 7, 2013 at 12:08pm

Management for Organizations
Would someone PLEASE check my answers..THANKS in advance!!! 1. Employee inventories and skills inventories are strategies for ________________________. (D) job design promoting-from-within external recruiting human resource planning 2. Which one of the following choices is not...
Thursday, March 7, 2013 at 11:40am

physics
A 445 g sample of ice at -58CENTIGRADE iS HEated until its temparature reaches -29 centigrade.find the change in heat contend of the system.
Thursday, March 7, 2013 at 10:45am

pre ap chem
determine the partial pressure of hydrogen if it's collected over water at 23 degrees celsius and the system has a total pressure of 724 mmHg then determine the mole fraction of water vapor in the system
Wednesday, March 6, 2013 at 4:51pm

math
solve the following system of equation 8x+9y=-19 -3x+7y=-24
Wednesday, March 6, 2013 at 3:35pm

math help
solve the following system 8x+19=-19 -3x+7y=-24
Wednesday, March 6, 2013 at 3:20pm

math
two systems of equations are given below for each system, choose the best description of it solution. 1) the system has no solution 2) the system has a unique solution 3) the system has a infinitity many solutions. they must satisfy the following equation x+4y=8 -x-4y=-8 -x-2y...
Wednesday, March 6, 2013 at 2:51pm

chemistry
The system H2 (g) + 3N2 (g) = NH3 (s) is at equilibrium.Use Le Chatelier's principle to predict the direction in which the equilibrium will shift if the ammonia is withdrawn from the reaction chamber.
Wednesday, March 6, 2013 at 12:31pm

chemistry
If the temperature of the system PCl5 (g) =PCl3 (s) + Cl2 (g) + 92.5 kj. is increased, predict the direction of th Le Chatelier's shift.
Wednesday, March 6, 2013 at 12:26pm

Finance
P5. Use your knowledge of income statements to fill in the missing items: SALES - $------ COST OF GOODS SOLD - $575,000 GROSS PROFIT - $1,600,000 GENERAL AND ADMINISTRATIVE EXPENSE - $200,000 SELLING AND MARKETING EXPENSE - $------ DEPRECIATION - $50,000 OPERATING INCOME...
Wednesday, March 6, 2013 at 9:28am

Chemistry
is Fe3O4 + 4H2 = 3Fe + 4H2O spontaneous at 298 K? Delta H system= 149.8 kj/mol Delta S system= 610.0 kj/mol
Tuesday, March 5, 2013 at 9:18pm

algebra
the primeter of a rectangle is 24ft. the length is 2 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width. is the answer for the length 14ft and the width 10 ft?
Tuesday, March 5, 2013 at 6:46pm

Precalculus
Please help me. Solve the system algebraically. 16)y=x^3+x^2 y=3x^2
Tuesday, March 5, 2013 at 6:33pm

algebra
the primeter of a rectangle is 24ft. the length is 2 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width. Is the answer for the lenght 16ft and 8ft for the width?
Tuesday, March 5, 2013 at 6:33pm

Physics ~Thermodynamics~
* Pressure * 1) what other ways can the pressure of a gas be changed? * Internal Energy * 2) A cup of hot tea is poured from a teapot, and a swimming pool if filled with cold water. a) Which one has a higher internal energy? b) Which has a higher average of kinetic energy? * ...
Tuesday, March 5, 2013 at 6:15pm

algebra
the primeter of a rectangle is 24ft. the length is 2 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width, write the first equation. 2x+2y=__ write the second equation. x=y+__ ...
Tuesday, March 5, 2013 at 6:05pm

math
solve the following system 8x+19=-19 -3x+7y=-24 x= y=
Tuesday, March 5, 2013 at 4:45pm

algebra
use substitution to solve the system -5x+24=27 and y=2x+11
Tuesday, March 5, 2013 at 4:07pm

Algebra
Suppose that x liters of 40% acid solution are mixed with y liters of a 43% solution to obtain 100 L of a 41% solution. One equation in a system for solving this problem is x + y = 100. What is the other equation?
Tuesday, March 5, 2013 at 2:18pm

Physics
Point charges Q1 ,Q2 , and Q3 reside on three corners of a square with sides of 1m ; the distance from Q2 to P3 is 2m (see diagram). (a) What is the electric potential,V , at P1 ? (Normalize the potential to be zero at infinity and give your answers in Volts). incorrect What ...
Tuesday, March 5, 2013 at 9:02am

physics
In the figure, a frictionless roller coaster car of mass m = 672 kg tops the first hill with speed v0 = 19.4 m/s at height h = 34.7 m. How much work does the gravitational force do on the car from that point to (a) point A, (b) point B, and (c) point C? If the gravitational ...
Monday, March 4, 2013 at 6:47pm

Chemistry
In the equation Q = mc(deltaT), I learned that Q means heat transfer. Is it the heat transfer from the system to the surroundings, i.e. the system loses/absorbs heat or is it from the surroundings to the system? A couple of places on the Internet say that Q is the heat energy ...
Monday, March 4, 2013 at 6:35pm

corporate finance
1. Which of the following is NOT correct for a firm with seasonal sales and customers who all pay promptly at the end of 30 days? a. DSO will vary from month to month. b. The quarterly uncollected balances schedule will be the same in each quarter. c. The level of accounts ...
Monday, March 4, 2013 at 11:40am

Biology
1-how do the parts of the respiratory system worj togather? 2-how does the respiratory system work with other body systems? 3- which body system helps Respiratory system bring oxygen to body? A- circulatory B- excretory C- digestive D- muscular
Monday, March 4, 2013 at 10:15am

Fiance
Use your knowledge of income statements to fill in the missing items: Sales Cost of goods sold $575,000 Gross profit $1,600,000 General and administrative expense $200,000 Selling and marketing expense $ Depreciation $50,000 Operating income $ Interest $100,000 Income before ...
Sunday, March 3, 2013 at 7:33pm

Anatomy and Physiology II
A 45 year-old female has thyroid disease. Because specific prosperities of the thyroid gland classify it as an endocrine organ, you conclude that this disease is an endocrine disease. Which answer below best describes the properties that classify the thyroid as an endocrine ...
Sunday, March 3, 2013 at 6:42pm

Chem
At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2(g) + 02(g) <-> 2NO(g) If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is re-established?
Sunday, March 3, 2013 at 6:16pm

Chemistry
Consider the isomerization equlibria of an alkene (C4H8) that co-exists as three isomers. (These 3 are in an equlibrium triangle) Reaction 1: cis-2-butene ⇔ trans-2-butene Reaction 2: cis-2-butene ⇔ 2-methylpropene Reaction 3: trans-2-butene ⇔ 2-methylpropene...
Sunday, March 3, 2013 at 5:14pm

algebra
Solve the following system of equation using the graphing method. Y = negative X Y = X + 9 Don't know what to do. Thank u if u can helpme.
Saturday, March 2, 2013 at 6:58pm

chemistry
A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s cooling system holds 4.20 gallons, what is the boiling point of the solution? Make the following assumptions in your calculation; at normal ...
Saturday, March 2, 2013 at 1:59am

algebra
Solve. x/9-1/7=26/63 STEP 1: The LCM is _________ To clear denominators, multiply each side of the equation by the LCM. _______/1 (x/9-1/7)=__________/1 multiply 26/63. STEP 2: Use the Distributive Property. _____/1 multiply x/9 - _________/1 multiply 1/7 = ______________. ...
Friday, March 1, 2013 at 2:59pm

chemistry
For a certain change, value of Delta U is -2.37 kJ. During the change, the system absorbs 650 joules. How much work did the system do? Please help! I get 3.02 but is not correct!!
Friday, March 1, 2013 at 12:45pm

geometry
4. In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find the volume of air in the greenhouse below. The length of the building is 40 feet long, the width is 20 feet long, and it is 8 feet from the ground ...
Friday, March 1, 2013 at 12:42pm

IB Chemistry
Which statements are correct for an endothermic reaction? I. The system absorbs heat. II. The enthalpy change is positive. III. The bond enthalpy total for the reactants is greater than for the products. A. I and II only B. I and III only C. II and III only D. I, II and III ...
Thursday, February 28, 2013 at 11:57pm

Physics
In the figure below, a small block of mass m = 0.034 kg can slide along the frictionless loop-the-loop, with loop radius 8 cm. The block is released from rest at point P, at height h = 7R above the bottom of the loop. (For all parts, answer using g for the acceleration due to ...
Wednesday, February 27, 2013 at 8:46pm

Physics
A point charge Q1=-2µC is located at x=0, and a point charge Q2=-8µC is placed at on the x -axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,E(x)=E(x)x^ , at various points along the -axis. (a)What is E(x) (in N/C) ...
Wednesday, February 27, 2013 at 1:43am

World History- (Ms. Sue)
What were the two ways that the North and the South differed by the mid-1800's? My answer: The North had a rapidly growing economy with a large and rapidly growing urban population and no slavery north of the border states. The South was dominated by a settled plantation ...
Tuesday, February 26, 2013 at 8:42pm

Psychology - Please check my answers
1. When considering marital separation and divorce as a social problem, an effective approach might be to: __x_a. develop counseling options for couples in crisis. ____b. focus on problems with the institution of marriage itself. ____c. develop anger-management programs for ...
Tuesday, February 26, 2013 at 7:32pm

Psychology - Social Problems
Please check my answers. 1. When considering marital separation and divorce as a social problem, an effective approach might be to: __x_a. develop counseling options for couples in crisis. ____b. focus on problems with the institution of marriage itself. ____c. develop anger-...
Tuesday, February 26, 2013 at 5:14pm

Science
Can you tell me the Main Idea(s)? There’s an old saying that oil and water don’t mix. But sometimes they do — especially when a chemical called a surfactant brings the two together. Once blended, oil and water become tough to pull apart. Unless, that is, you ...
Tuesday, February 26, 2013 at 4:51pm

Science ASAP
Can you tell me the Main Idea(s)? There’s an old saying that oil and water don’t mix. But sometimes they do — especially when a chemical called a surfactant brings the two together. Once blended, oil and water become tough to pull apart. Unless, that is, you ...
Tuesday, February 26, 2013 at 4:16pm

physic
a resistor has a voltage of 6.65 V and a current of 4.45 A. it is placed in a calorimeter containing 200g of water at 24 degree Celsius. the calorimeter is aluminum (specific heat= 0.220 cal/g-Celsius), and its mass is 60g. the heat capacity of the resistor itself is ...
Tuesday, February 26, 2013 at 2:18pm

AP Chem
For the following equilibrium system, which of the following changes will form more CaCO3? CO2(g) + Ca(OH)2(s) <--> CaCO3(s) + H2O(l) deltaH(rxn) = -113 kJ My choices are: a) Decrease temperature at a constant pressure (no phase change) B) Increase volume at a constant ...
Tuesday, February 26, 2013 at 1:31pm

Physics
One of the most powerful cranes in the world, operating in Switzerland, can slowly raise a load of 6000 tonne to a height of 12 m. (1 tonne = 1000 kg) The acceleration of gravity is 9.81 m/s2 . How much work is done by the crane? Answer in units of MJ I found it by using Work...
Tuesday, February 26, 2013 at 10:03am

pROBABILITY AND STATISTIC..HELP...................
a missile protection system consists of n radar sets operating independently each with probability .9 of defecting an aircraft entering a specified zone.all radar sets cover the same zone.if an airplane enters the same, find the probability that it will be detected if n=2 and n=4
Tuesday, February 26, 2013 at 2:58am

Information Systems
Problem #2 from page 173 Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms. The system assigns each patient a patient ID number. In addition, the ...
Monday, February 25, 2013 at 6:25pm

science
Describe the events that take place in the movement of fluid in the capillary beds. What forces are involved in the movement of fluid out of the capillaries and back in again? Where in the capillary does movement take place? What is the role of the lymphatic system in the ...
Monday, February 25, 2013 at 1:51pm

Physics
A point charge Q1=-2 microcoulomb is located at x=0, and a point charge Q2=+8 microcoulomb, is placed at x=-0.5 on the x axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,at various points along the x axis. a)What is electric ...
Monday, February 25, 2013 at 4:45am

Physics
Electric Field of Two Charges : 15.0 points A point charge is located at x=0, and a point charge is placed at on the -axis of a cartesian coordinate system.The goal of this problem is to determine the electric field, , at various points along the -axis. (a)What is (in N/C) ...
Sunday, February 24, 2013 at 10:27pm

physics
Your car's 31.5 W headlight and 2.15 kW starter are ordinarily connected in parallel in a 12.0 V system. What power would one headlight and the starter consume if connected in series to a 12.0 V battery? (Neglect any other resistance in the circuit and any change in ...
Sunday, February 24, 2013 at 8:05pm

Math:o
It takes a florist 3h 15min to make 3 small centerpieces and 3 large cebterpieces. It takes 6h 20min to make 4 small centerpieces abd 7 large centerpieces. How long does it take to make each small centerpiece and each large centerpiece? Write and solve a system of equations to...
Sunday, February 24, 2013 at 7:03pm

math
I need step by step explanation of the following problem. Using the lever system equation F1x=F2(d-x)solve the following problem: A screwdriver 9 in. long is used as a lever to open a can of paint. The tip of the screwdriver is placed under the lip of the can with the fulcrum ...
Sunday, February 24, 2013 at 3:01pm

ibnozohr
A point charge Q1=−2 μC is located at x=0, and a point charge Q2=+8 μC is placed at x=−0.5 m on the x-axis of a cartesian coordinate system.The goal of this problem is to determine the electric field, E⃗ (x)=E(x)xˆ, at various points along the ...
Sunday, February 24, 2013 at 2:46pm

Algebra
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. Hw much does the owner charge for a haircut? Solve by writing and solving a system of ...
Sunday, February 24, 2013 at 10:15am

Finance
Tom company has sales of Rs.200,000/- with variable expenses of Rs.150,000/-, fixed expenses of Rs.60,000/-, and an operating loss of Rs.10,000/-. By how much would Tom have to increase its sales in order to achieve an operating income of 10% of sales?
Sunday, February 24, 2013 at 1:37am

programming
m trying to create an arraylist that's sorted but I have no idea how to sort the numbers. I cant use the array.sort method here is my code: public class Testing { private int [] data; private int count; private static int defCapacity = 10; public Testing (){ count = 0; ...
Sunday, February 24, 2013 at 1:20am

computer science
Im trying to create an arraylist that's sorted but I have no idea how to sort the numbers. I cant use the array.sort method here is my code: public class Testing { private int [] data; private int count; private static int defCapacity = 10; public Testing (){ count = 0; ...
Sunday, February 24, 2013 at 1:19am

Thermodynamics
The initial state consists of a closed system containing one mole of super-heated liquid water at 115°C and 1 atmosphere pressure. The immediate surroundings are also at 115°C and 1 atmosphere pressure. The change in state is described as this one mole of super-heated ...
Saturday, February 23, 2013 at 11:21pm

Chem
Hey in class we learned that pi molecular orbitals come from overlapping p atomic orbitals...this occurs in a conjugated system or aromatic rings ( contains sp2 carbons with one remaining p orbital which can can overlap to form double bonds)...my question is why does it have ...
Saturday, February 23, 2013 at 8:55pm

Chemistry
Consider the heterogeneous equilibrium process shown below. C(s) + CO2(g) 2 CO(g) At 700.°C, the total pressure of the system is found to be 3.87 atm. If the equilibrium constant KP is 1.52, calculate the equilibrium partial pressures of CO2 and CO.
Saturday, February 23, 2013 at 7:42pm

math
Solve each system of equations by graphing. Check each solution. The perimeter of a rectangle is 24 ft. Its length is five times its width. Let x be the length and y be the width. What is the area of the rectangle?
Saturday, February 23, 2013 at 7:40pm

science
Create a SOAP note using five medical words from the urinary or male reproductive system
Saturday, February 23, 2013 at 7:24pm

science
Using either or both chapters (6 and/or 7) create a SOAP note using five medical words discussed in this week’s reading. urinary and male reproductive system
Saturday, February 23, 2013 at 7:10pm

Thermodynamics
A cylinder contains one liter of air at room temperature (300 K) and atmospheric pressure (10^5 N/m^2). At one end of the cylinder is a massless piston, whose surface area is 0.01 m^2. Suppose that you push the piston in very suddenly, exerting a force of 2000 N. The piston ...
Saturday, February 23, 2013 at 2:24pm

world geography
1. The natural vegetation regions of sub-Saharan Africa A. are heavily impacted by human activity. B. don't correspond closely to climatic regions. C. only correspond to climatic conditions in areas of West Africa. D. are all characteristic of equatorial latitudes. 2. ...
Friday, February 22, 2013 at 2:45pm

Dynamics
It takes 16s to raise a 2800lb car and the supporting 650lb hydraulic car-lift platform to a ht of 6.5 ft. Knowing that the overall conversion efficiency from electric to mechanical power for the system is 82% determine a) the average power output delivered by the hydraulic ...
Friday, February 22, 2013 at 2:11pm

help asap!!
Bernie put in a garden in her back yard. The garden has a perimeter of 213 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal ...
Friday, February 22, 2013 at 1:40pm

Biology
1) What memory system is sensation responsible for? Sensory, short term or long term memory system? Explain. 2) How does encoding memories relate to transfer appropriate processing and fluid intelligence?
Friday, February 22, 2013 at 1:26pm

Math
The sum of twice a number and another number is 24. The difference of twice the first number and the other number is 12. Which system would model this situation, and what is the solution?
Friday, February 22, 2013 at 12:50pm

physics
Tony (of mass 75 kg) coasts on his bicycle (of mass 15 kg) at a constant speed of 4 m/s,carrying a 14 kg pack. Tony throws his pack forward, in the direction of his motion, at 6 m/s relative to the speed of bicycle just before the throw.What is the initial momentum of the ...
Friday, February 22, 2013 at 5:59am

Finance
1. Firm L has debt with a market value of $200,000 and a yield of 9%. The firm's equity has a market value of $300,000, its earnings are growing at a rate of 5%, and its tax rate is 40%. A similar firm with no debt has a cost of equity of 12%. Under the MM extension with ...
Thursday, February 21, 2013 at 9:49pm

English
This is a chemistry lab report, but I was wondering if someone could edit the grammar and look at the sentence structure, etc. I know it's really long and boring, but even if you just look over a bit of it, I would really appreciate it. And I'm assuming you don't ...
Thursday, February 21, 2013 at 6:16pm

Math
A college student decides that school work limits him to a total of no more than ;36 hours per week at his two parttime&...
Thursday, February 21, 2013 at 3:55pm

Math
Members of a school boosters club want to sell at least 10 school jackets and at least 21 caps during a fundraiser to cover their regular&...
Thursday, February 21, 2013 at 3:54pm

Psychology/Biology Help!!
1) What memory system is sensation responsible for? Sensory, short term or long term memory system? Explain. 2) How does encoding memories relate to transfer appropriate processing and fluid intelligence?
Thursday, February 21, 2013 at 12:16pm

mat/116
Will someone please help me slove this problem? Use the elimination method to solve the system of equations. 5u+2v=-18 3u+v=-5 I have tried to solve this problem several times and have not gotten the correct answer please help. Thank you.
Thursday, February 21, 2013 at 10:19am

Chemistry
20cm3 of 0.500moldm-3 H2SO4 was consumed to neutralize 50cm3 of 0.400moldm-3 NaOH. The temperature of the system is increased by 36 degree C. The heat capacity of the calorie meter was 39 JK-1, and the heat capacityof the solution is 4.2JK-1. Find the enthalpy of ...
Thursday, February 21, 2013 at 5:13am

Physics
A point charge Q1=−2 μC is located at x=0, and a point charge Q2=+8 μC is placed at x=−0.5 m on the x-axis of a cartesian coordinate system.The goal of this problem is to determine the electric field, E⃗ (x)=E(x)xˆ, at various points along the ...
Thursday, February 21, 2013 at 3:41am

Chemistry
20cm3 of 0.500moldm-3 H2SO4 was consumed to neutralize 50cm3 of 0.400moldm-3 NaOH. The temperature of the system is increased by 36 degree C. The heat capacity of the calorie meter was 39 JK-1, and the heat capacity of the solution is 4.2JK-1. Find the enthalpy of ...
Thursday, February 21, 2013 at 1:29am

Chemistry
250cm3 of 0.400moldm-3 NaOH and 250cm3 of 0.400moldm-3 HCl is allowed to react in a calorie meter. If the initial temperature of the system is 17.05 degree C and the final temperature is 19.55 degree C,Find the enthalpy of neutralization for the reaction. The mass of the ...
Wednesday, February 20, 2013 at 11:58pm

Chem
Hi! I need help with this question: Sulfur dioxide reacts with chlorine at 227 oC: SO2(g) +Cl2(g) ↔ SO2Cl2(g) Kp for this reaction is 5.1 x 10-2 atm-1. Initially, 1.00 g each of SO2 and Cl2 are placed in a 1.00 L reaction vessel. After 15 minutes, the concentration of ...
Wednesday, February 20, 2013 at 8:26pm

algebra
solve each system by graphing y=1 y=-5 over 2x+4
Wednesday, February 20, 2013 at 7:20pm

Physics Momentum
1) Two 1 kg balls move away from each other, one traveling 5 m/s to the right, the other 5 m/s to the left. What is the magnitude of the total momentum of the system? 2) Two 1000 kg cars drive east; the first moving at 20 m/s, the second at 40 m/s. What is the magnitude of the...
Wednesday, February 20, 2013 at 5:54pm

pgcc
A system at equilibrium contains I2(g) at a pressure of 0.23 atm and I(g) at a pressure of 0.24 atm. The system is then compressed to half its volume. A).Find the pressure of I2 when the system returns to equilibrium. B).Find the pressure of I when the system returns to ...
Tuesday, February 19, 2013 at 10:55pm

physics 12
a certain binary star system consists of two stars of masses m and 3m respectively separated by a distance of 1.5 x 10^12 m, measured between their centres. Theres stars revolve in sync with each other around their common centre of mass like a giant dumbbell. If the smaller ...
Tuesday, February 19, 2013 at 9:38pm

Chemistry
1) Frank and Oswalt report a molar absorptivity of 4700 L mol^-1 cm^-1 for thiocyanatoiron(lll) ion. What absorbance would you expect for a soloution that it 1.0e-4 M in thiocyanatorion(lll) ion, if the path length is 1.00 cm? 2) At a given temperature, the equilibrium ...
Tuesday, February 19, 2013 at 9:16pm

Chemistry
Consider the following equilibrium: H2CO3 (aq) ↔ H2O (l) + CO2 (g) Which direction will the equilibrium shift (left or right) if we: Increase the pressure by decreasing the volume of the system: Increase the pressure by adding Argon to the system: Addition of NaOH (aq) ...
Tuesday, February 19, 2013 at 8:55pm

physics
A steam engine’s boiler completely converts 151 kg of water to steam. This process in- volves the transfer of 4.8786 J J as heat. If steam escaping through a safety valve does 1.66 × 108 J of work expanding against the outside atmosphere, what is the net change in ...
Tuesday, February 19, 2013 at 8:53pm

chemistry
A system at equilibrium contains iodine at a pressure of 0.21 and iodine at a pressure of 0.23 . The system is then compressed to half its volume.Find the pressure diiodine of when the system returns to equilibrium.
Tuesday, February 19, 2013 at 8:15pm

PLEASE HELP!!! ALGEBRA
A bank teller is counting the total amount of money in a cash register at the end of the day. There is a total of $2600 in denominations of $1, $5, $10 and $20 dollar bills. The total number of paper bills is $235. The number of twenty dollar bills is twice the number of $1 ...
Tuesday, February 19, 2013 at 7:08pm

Pre Calculus
A bank teller is counting the total amount of money in a cash register at the end of the day. There is a total of $2600 in denominations of $1, $5, $10 and $20 dollar bills. The total number of paper bills is $235. The number of twenty dollar bills is twice the number of $1 ...
Tuesday, February 19, 2013 at 6:38pm

Chemistry (DrBob222)
Hi, here's my (almost) 2-paged lab report introduction (hopefully you remember it from yesterday). I went to class today, and actually a lot of my other classmates' introductions were over 2 pages! Now I'm feeling kind of insecure about mine, and I'm not even ...
Tuesday, February 19, 2013 at 5:39pm

Science
Please check my answers? My textbook won't load, so i've had to use google and guess. 1. Scientists hypothesize that the sun formed ____. (1 point) less than a billion years ago **from a cloud of gas and dust less than a million years ago from a chunk of Jupiter 2. Two...
Tuesday, February 19, 2013 at 1:25pm

physics
Consider the system shown, with m1 = 2.0 kg, m2 = 3.0 kg, and α = 30o. The force F acts horizontally to the left and the kinetic coefficient of friction between m1 and the incline is μk = 0.40. The mass m2 is moving up at a constant speed. (a) What is the magnitude ...
Tuesday, February 19, 2013 at 12:24pm

physics
Consider the system shown, with m1 = 2.0 kg, m2 = 3.0 kg, and á = 30o. The force F acts horizontally to the left and the kinetic coefficient of friction between m1 and the incline is ìk = 0.40. The mass m2 is moving up at a constant speed. (a) What is the ...
Tuesday, February 19, 2013 at 9:15am

chemistry
N2(g)+3H2(g)<=>2NH3(g) +▲H if uou are preparing NH3, hiw does the following increase the yield of NH3? (a) ▲[N2] ▲[H2] (b) ▲T of the chamber storing NH3 (c) ▲P of the system (d) ▲[NH3(g)] * <=> equilibrium * ▲ change
Monday, February 18, 2013 at 5:04pm

physics
Equal 0.400-kg mass of lead and tin at 60 degrees celsius are placed in 1kg of water at 20 degrees celsius. a) what is the equilibrium temperature of the system? b)if an alloy is half lead and half tin by mass, what specific heat would you anticipate for the alloy? c) how many...
Sunday, February 17, 2013 at 9:48pm

Chemistry!
The heat lost or gained by a system is related to its temperature change by a property called its heat capacity. The molar heat capacity of metals at or above room temperature equals 24.92 J K-1mol-1. The temperature of a block of copper metal (molar mass 63.55 g mol-1) fell ...
Sunday, February 17, 2013 at 8:33pm

Biology
How is the anaerobic energy system not entirely anaerobic?
Sunday, February 17, 2013 at 7:36pm

Chemistry
At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.100 M and [NO]=0.400 M. N2 (g) + O2 (g) --> 2NO (g) If more NO is added, bringing its concentration to 0.700 M, what will the final concentration of NO be after equilibrium is re-established?
Sunday, February 17, 2013 at 2:49pm

Math for Management
A hospital performs 3 types of operations. The first type takes 30 minutes, and they charge $1000 for it. The second type takes 1 hour, and they charge $1500 for it. The third operation takes 2 hours, and they charge $2000 for it. The hospital can schedule up to 95 total ...
Sunday, February 17, 2013 at 2:11pm

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