Friday
July 1, 2016

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

Technology
1. A mnemonic is a tool that you can use when you are studying to help you do which of the following? A. remember lists or large amounts of information more easily** B. write information on paper more easily C. print out information more easily D. copy and paste information ...
Tuesday, January 26, 2016 by Skyler

Physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +0.8 m/s and ax = +0.9 m/s2. The y components of the puck's initial velocity and acceleration are ...
Monday, January 25, 2016 by Adriana

Physics
A 0.0475 kg ice cube at −30.0°C is placed in 0.577 kg of 35.0°C water in a very well insulated container. The latent heat of fusion of water is 334 kJ/kg, the specific heat of ice is 2092 J/(kg · K), and the specific heat of water is 4184 J/(kg · K...
Monday, January 25, 2016 by Art

Socialsl studies
Who created a caste system that separated Indians into groups?
Monday, January 25, 2016 by Yaqub

Math
How many solutions does the system of equations have? 4x+16y=12 y=-1/4x+9/12 a. one b. two c. infinitely many*** d. none
Monday, January 25, 2016 by Kaai97

physics
You drop 454 g of solid ice at −35°C into a bucket of water (1,200 g) at 45°C. Eventually, the ice all melts, and the entire system comes into thermal equilibrium. Find the final temperature of the system.
Monday, January 25, 2016 by chase

Chemistry
I am stuck on b)... Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings), ...
Monday, January 25, 2016 by Sanaya

Electronics Engineering Technology
5) A microwave transmitter typically requires a +8dBm audio level to drive the input fully. If a +10dBm level is measured, what is the actual voltage level measured? Assume a 600Ω system.
Sunday, January 24, 2016 by Jose Luis

Physics
A block and tacle of 6 pulley is used to raise a load of 300n steadily through a height of 30m if the workdone against friction is 2000j. calculate the workdone by the effort,the applied effort,the efficiency of the system
Sunday, January 24, 2016 by HAKEEM

Physics 30
A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the floor? b. the 3.0 kg...
Saturday, January 23, 2016 by Mona

Physics 30
A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the floor? b. the 3.0 kg...
Saturday, January 23, 2016 by Mona

math
Can somebody solve this system of euation :2^x+3^y=17 2^x+2+3^y+1=5
Saturday, January 23, 2016 by Akbar

Accounting
Brodigan Corporation has provided the following information concerning a capital budgeting project: Investment required in equipment $450,000 Net annual operating cash inflow $220,000 Tax rate 30% After-tax discount rate 12% The expected life of the project and the equipment ...
Friday, January 22, 2016 by Frankie

Accounting
Dukas Corporation's net cash provided by operating activities was $218,000; its net income was $203,000; its capital expenditures were $146,000; and its cash dividends were $49,000. Required: What is the company's free cash flow?
Friday, January 22, 2016 by Stevie

Socil Studies
Which of the following statements about the state executive branch System of departments and agencies are true? Mark all that apply.(2 points) (A)The system is comparable in purpose to the legislative committee system in many ways (B) All State agency heads are constitutional ...
Friday, January 22, 2016 by Any:)

social studies
How did the formation of the national action party change Mexican politics? It ended the one-party system. (MY ANSWER) It consolidated power among a few key leaders. It ended the revolution. It lessened the power of the president.
Friday, January 22, 2016 by LOVE

math
Plz help me to solve this system of equation. 2^x+3^y=17 2^x+2+3^y+1=5
Friday, January 22, 2016 by Ali

math
Plz help me to solve this system of equation. 2^x+3^y=17 2^x+2+3^y+1
Friday, January 22, 2016 by Ali

History
1.)Spain gave parts of Florida to the United States as a result of which of the following? A.)Monroe Doctrine B.)Manifest Destiny C.)Adams-Onis Treaty*** D.)Missouri Compromise 2.) Which event most likely made the state of Georgia more anxious to remove the Cherokee tribe from...
Friday, January 22, 2016 by YRN DJ

Social Studies
Which of the following state program areas consumes the largest part of the executive budget? (1 point) human services education *** natural resources transportation 2. Which state department is responsible for mental health-related issues and welfare? (1 point) human services...
Friday, January 22, 2016 by hannah

Science
A 0.44 kg mass at the end of a horizontal spring is displaced 1.5 m and released, then moves in SHM at the end of the spring of force constant 2 N/m. Find the potential energy of the system when the spring is stretched 0.9 m. The acceleration of gravity is 9.8 m/s2 . Answer in...
Friday, January 22, 2016 by Emma

Science
A 0.44 kg mass at the end of a horizontal spring is displaced 1.5 m and released, then moves in SHM at the end of the spring of force constant 2 N/m. Find the potential energy of the system when the spring is stretched 0.9 m. The acceleration of gravity is 9.8 m/s2 . Answer in...
Friday, January 22, 2016 by Emma

Science
Which is not part of your immune system's response to a disease-causing organism? Answers: A. Vaccination B. Recognition C. Disposal D. Immunity My answer: D
Thursday, January 21, 2016 by Suzy-- Su-Ji

Science
Miss sue can you check these thanks. which of the following describes scientific inquiry? (1 point) a statement that describes what scientists expect to happen in an experiment facts, figures, and other evidence gathered through observation the diverse ways in which scientists...
Thursday, January 21, 2016 by New student

Check 3 world history answers of mine?
7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Conservation and preservation of the environment in America.* 10. One reason powerful nations rushed to grab colonies in the 1800s was the desire for raw materials ...
Wednesday, January 20, 2016 by Carrie

Check my answers for world history
Star* by my answer 7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Ensure that goods produced by American businesses were safe for consumers.* Conservation and preservation of the environment in America. 9. Which ...
Wednesday, January 20, 2016 by Carrie

Chemistry -Dr. Bob
Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings), calculate: a) the PV work...
Wednesday, January 20, 2016 by Sanaya

Check my answers for world history
I put a star* by my answer. 1. The early 20th century Progressive Era was a response to many of the problems and issues which arose during the Gilded Age in America. True or False*? 2. Socially conscious journalists who dramatized the need for reform were known as? Social ...
Wednesday, January 20, 2016 by Traci

Math
Solve the following system of equations using substitution. What is the value of Y? 2x+3y=105 x+2y=65 A. 15 B. 25 C. 40 D. 65
Wednesday, January 20, 2016 by Cami

Chemistry-Dr. Bob
Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings), calculate: a) the PV work...
Wednesday, January 20, 2016 by Sanaya

Science
1.which of the following describes scientific inquiry? (1 point) a statement that describes what scientists expect to happen in an experiment facts, figures, and other evidence gathered through observation the diverse ways in which scientists study the natural world a well-...
Wednesday, January 20, 2016 by Charlie Shuler

Science
1.)Check My Answers, please? Which of the following planets is considered a rocky, or terrestrial, planet? A.)Venus **** B.)Neptune C.)Saturn D.)Uranus 2.)Which of the following statements about the beginning of the solar system is true? A.)The planets that formed closest to ...
Wednesday, January 20, 2016 by YRN DJ

math-linear equations
Its a story problem: The flying W Ranch raises only cows and horses. There are total 340 animals. The owner prefers horses to cows, so he has 52 more horses than cows. a. Write two different linear equations to model this situation. b. Solve the system of linear equations ...
Tuesday, January 19, 2016 by B

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. a. y>=110 2x+2y<=...
Tuesday, January 19, 2016 by Kaai97

Math
1. How many solutions does the system of equations have 3x=-12y+15 and x+4y=5 a. one b. two c. infinitely many*** d. none 2. How many solutions does the system of equations have y=6x+2 and 3y-18x=12 a. one b. two c. infinitely many d. none*** 3. How many solutions does the ...
Tuesday, January 19, 2016 by Kaai97

Business
Dukas Corporation's net cash provided by operating activities $218,000; its net income was $203,000; its capital expenditures were $146,000 and its cash dividends were $49,000. What is the company's free cash flow?
Tuesday, January 19, 2016 by Tori

ALGEBRA HELP
Which of the following points lie in the solution set to the following system of inequalities? y < −3x + 3 y < x + 2 (1, −5) (1, 5) (5, 1) (−1, 5)
Tuesday, January 19, 2016 by Oscar

Check my answers Ms. Sue?
I posted this in my last question but its not showing up for me.. But i have redone the questions you said were wrong and i was hoping you would check them again 1. How did the southern economy change after the Civil War? Shipped raw materials to northern states for processing...
Tuesday, January 19, 2016 by Karen

Physics
I did the problem but i'm confused on what to do next: 1.A hunter aims directly at a target (on the same level) 120m away. (a) If the bullet leaves the gun at a speed of 250m/s, by how much will it miss the target? (b) At what angle should the gun be aimed so the target ...
Monday, January 18, 2016 by LINA

History
I just need some ideas for 4 questions. It sounds silly but I need inspiration. ~~~~ 4. Why would the canal developers have studied the British canal system before they designed the Erie Canal? Write four questions the developers might have asked during their studies. ~~~~ ...
Monday, January 18, 2016 by Astral Tellurian

math 8
solve the system of equations 5x+2y=11 3x-4y=4 give answer as decimal if required. any help would be appreciated, thank you
Monday, January 18, 2016 by sam

Language
Choose the meaning the best matches the word italics. ••Reinforcement•• The troops waited for the arrival of REINFORCEMENT before beginning the march forward into dangerous territory. Extra time to prepare for battle Additional supplies or provisions •...
Sunday, January 17, 2016 by Estephania

Physics
The mass of a star in a galaxy far, far away, is 2.13 × 105 Earth masses, and the mean distance from the center of this star to the center of a planet with the same mass as our Earth is 7.87 × 108 km. Treating this planet and star as particles, with each mass ...
Sunday, January 17, 2016 by Briana

Math
Is the middle point in the Cartesian Coordinate system correctly called the origin or the center? I am referring to the (0,0) point.
Sunday, January 17, 2016 by Rachel

Mechanics
A 500kg spaceship is in a circular orbit of radius 2Re above the earth a.how much energy is required to transfer the spaceship to a circular orbit of radius 4Re. b.discuss the change in potential energy,kinetic energy and the total energy of the system
Sunday, January 17, 2016 by Och

Math
The math club had a lunch meeting where the attendees ordered either a hamburger for $2.50 or chicken strips for $3.25. The bill for the 25 lunches was $74.50. The system of equations below represents this situation. 2.50x + 3.25y = 74.50 --------------------- x + y = 25 How ...
Saturday, January 16, 2016 by Silvia

MATH NEED HELP ASAP!!!!!
Henry's current age is 10 times Justin's current age. in 6 years,Henry's age will be 4 times Justin's age. Which system of equations can be used to calculate H Henry's current age J Justin's current age? A. J=10h j+6=4(H+6) B.J=H+6 J+4=H+10 C.H=10J H+6=...
Friday, January 15, 2016 by Courtney

please check my grammar
AN.15,2016 From: Genecito Jimenez Dear sir/madam, The JIMENEZ INTERNET CAFE has been operating the business started last Oct.15,2015. There are 14 computers for the clients and 1 computer for server with the total of 15 pc's. The total amount of expenses in putting up the ...
Friday, January 15, 2016 by jessie

Math
How do u graph a system of equations
Thursday, January 14, 2016 by Hill

History
In ancient civilizations, job specialization was a result of what? A. surpluses of food B increased interests in art C peace between rival clans D a new system of royal clans I think it is A
Thursday, January 14, 2016 by ILOVEcake

Science
Without this system in the body, you would get really sick because toxins and waste would build up? (A) Cardiovascular (B) Excretory (C) Integumentary (D) Muscular I think its A, I really need this answered.
Thursday, January 14, 2016 by I need help

Finance
What is the amount of money created in the banking system due to an initial deposit of $1,000 if the required reserve is 5%? The banks are not holding any excess reserves.
Thursday, January 14, 2016 by Brandon

Algebra
Find the number of the solutions to each system. a. 4x-y+1=0 4x-y+3=0 b. 2x-y+4=0 4x-2y+8=0 Write a question that can be solved using a system of linear equations. Solve the following system of equations by graphing: y=x+3 and y=-2x-3
Wednesday, January 13, 2016 by LadyPhantomhive

Math
1. You went to lunch with your friend, and the bill was $19.00. Your lunch is $3.00 more than your friend’s. How much was your friend’s lunch? a) f + 3 = 19; $8.00 <------------- b) 3f + 2 = 19; $8.00 c) 2f + 3 = 19; $8.00 d) 2f – 3 = 19;...
Tuesday, January 12, 2016 by Anonymous

Social Studies
The one-child policy of 1979 was a system used to regulate population growth within this country. (1 point) a. India b. Soviet Union c. United States d. China***
Monday, January 11, 2016 by Kaai97

Math
I'm not sure how to do this: There are 9 people who are going to see a movie. The total cost for the tickets is $54, with adult tickets costing $8 each and child tickets costing $5 each. Write a system of equations to represent the situation. Use a for adult tickets, and c...
Monday, January 11, 2016 by Gracie

Math
How many solutions does this system have? –3x + 6y = 10 –3x + 6y = –4 A.none B.one*** C.infinite D.two
Monday, January 11, 2016 by Kaai97

Math
Which method would be the simplest way to solve the system? y=1/2x 2x+3y=28 a. graphing b. substitution*** c. elimination d. distributive
Monday, January 11, 2016 by Kaai97

Math
Which method would be the simplest way to solve the system? 7x + 5y = 19 -7x – 2y = -16 a. Graphing b. Substitution c. Elimination*** d. Distributive
Monday, January 11, 2016 by Kaai97

Math
1. Tell whether the system has one solution infinitely many solutions or no solution. 9x+8y=15 9x+8y=30 a. one solution b. infinitely many solutions*** c. no solution 2. Tell whether the system has one solution infinitely many solutions or no solution. 5x-3y=10 10x+6y=20 a. ...
Monday, January 11, 2016 by Kaai97

Math
1. Solve the system using elimination. 3x+3y=27 x-3y=-11 a. (8,1) b. (3,6) c. (6,3) d. (4,5)*** 2. Solve the system using elimination. 4x-7y=3 x-7y=-15 a. (-12/5,10/7) b. (-1,2) c. (6,3)*** d. (1,1/7) 3. Solve the system using elimination. 2x+3y=9 x+5y=8 a. (0,3) b. (-2,2) c...
Monday, January 11, 2016 by Kaai97

Algebra
To solve the following system of equations by elimination, which operation would you perform first? 234x + 65y = 219 1225x + 65y = 427 F. addition G. subtraction H. Multiplication I. division
Monday, January 11, 2016 by LadyPhantomhive

Math
1. For the following system of equations, what is the x-value of the solution? -x+2y=6 6y=x+18 a. -18 b. 0*** c. -6 d. 3 2. Solve the following system of equations using substitution. What is the value of y? 2x+3y=105 x+2y=65 a. 15 b. 25 c. 40*** d. 65
Monday, January 11, 2016 by Kaai97

Math
Solve the following system of equations using substitution. What is the value of y? 2x+3y=105 x+2y=65 a. 15 b. 25 c. 40*** d. 65
Monday, January 11, 2016 by Kaai97

Math
For the following system of equations, what is the x-value of the solution? -x+2y=6 6y=x+18 a. -18 b. 0 c. -6*** d. 3
Monday, January 11, 2016 by Kaai97

Math
1. Tell whether the system has one solution infinitely many solutions or no solution. 6y=-5x+24 2.5x+3y=12 a. one solution b. infinitely many solutions*** c. no solution 2. Tell whether the system has one solution infinitely many solutions or no solution. x=-7y+34 x+7y=32 a. ...
Monday, January 11, 2016 by Kaai97

Math
Tell whether the system has one solution infinitely many solutions or no solution. 6y=-5x+24 2.5x+3y=12 a. one solution b. infinitely many solutions*** c. no solution
Monday, January 11, 2016 by Kaai97

Math
Tell whether the system has one solution infinitely many solutions or no solution. x=-7y+34 x+7y=32 a. one solution b. infinitely many solutions c. no solution
Monday, January 11, 2016 by Kaai97

Math
Tell whether the system has one solution infinitely many solutions or no solution. 1.5x+2y=11 3x+6y=22 a. one solution b. infinitely many solutions c. no solution.
Monday, January 11, 2016 by Kaai97

Math
Tell whether the system has one solution infinitely many solutions or no solution.. 1.5x+2y=11 3x+6y=22 a. one solution b. infinitely many solutions c. no solution
Monday, January 11, 2016 by Kaai97

Math
Tell whether the system has one solution infinitely many solutions or no solution. 1.5x+2y=11 3x+6y=22 a. one solution b. infinitely many solutions c. no solution
Monday, January 11, 2016 by Kaai97

algebra 1
Solve the system by either substitution or elimination 3x-5y=21 2x+y=1 A (2,-3) B (2,3) C (-2,-1) D (-2,1)
Monday, January 11, 2016 by nina

HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Multiple Choice 1. How did the Haitian Revolution impact the history of the United States? (1 point) • It brought the United States into a war with Spain over Cuba. • France no longer had Haiti, so Napoleon was willing to sell Louisiana. • Slave owners in the ...
Monday, January 11, 2016 by Miranda Lambert

Chemistry
Salts of barium, barium sulfate Particularly, When applied orally and because of its low solubility (Ksp = 1 x 10 ^ -10) Increase contrast for X-rays in medical diagnosis of the digestive system. Considering que Were reacted 7 × 10 -5 moles of CaCl2 with an equivalent ...
Saturday, January 9, 2016 by Igor

Chemistry
Salts of barium, barium sulfate Particularly, When applied orally and because of its low solubility (Ksp = 1 x 10 ^ -10) Increase contrast for X-rays in medical diagnosis of the digestive system. Considering que Were reacted ^ 7 × 10 -5 mol of CaCl2 with an equivalent ...
Saturday, January 9, 2016 by Igor

History. Please Help!!
3. The French and Indian War is often viewed by historians as being a factor in causing the American Revolution. Which of these best explains why this might be the case? a. The Indians believed the colonists would return seized lands to them. b. The British were able to defeat...
Saturday, January 9, 2016 by Samantha

mechanics
please help solve these questions (1a). The gravitational field strength g on the earth’s surface is 9.8N/kg. explain what this means.(b) Using the law of gravity, show that gr2= k. Where g=gravitational field strength at a distance r from the center of the earth (r>Re...
Saturday, January 9, 2016 by collins

Science
Why is the Grand Canyon a natural physical system
Saturday, January 9, 2016 by Chloe

physics
a. A stone is dropped at t = 0 s. A second stone, with a mass 2.0 times that of the first, is dropped from the same point at t = 0.25 s. How far from the release point is the center of mass of the two stones at t = 0.52 s? Assume that neither stone has yet reached the ground. ...
Saturday, January 9, 2016 by shila

physics
a. A power plant burns coal and generates an average of 610.0 Megawatts (MW) of electrical power while discharging 915.00 MW as waste heat. Find the total electrical energy generated by the plant in a 30-day period. b. Coals vary a lot in their energy content. The energy ...
Saturday, January 9, 2016 by shila

mechanics
please help solve these questions (1a). The gravitational field strength g on the earth’s surface is 9.8N/kg. explain what this means.(b) Using the law of gravity, show that gr2= k. Where g=gravitational field strength at a distance r from the center of the earth (r>Re...
Saturday, January 9, 2016 by collins

Math
The coordinates below represent two linear equations. How many solutions does this system of equations have? Line 1 x y –2 7 0 6 Line 2 x y 3 0 0 –3 A. 0 B. exactly 1 C. exactly 2 D. infinitely many
Saturday, January 9, 2016 by Anonymous

math
Solve the system x+4y=1,-x+y=4.What is the -coordinate of this solution x.
Saturday, January 9, 2016 by may

Math
Tell whether the system has one solution infinitely many solutions or no solution. 1.5x+2y=11 3x+6y=22 a. one solution b. infinitely many solutions c. no solution
Friday, January 8, 2016 by Kaai97

Math
Tell whether the system has one solution infinitely many solutions or no solution. x=-7y+34 x+7y=32 a. one solution b. infinitely many solutions c. no solution
Friday, January 8, 2016 by Kaai97

Math
Tell whether the system has one solution infinitely many solutions or no solution. 6y=-5x+24 2.5x+3y=12 a. one solution b. infinitely many solutions c. no solution
Friday, January 8, 2016 by Kaai97

mechanics
please help solve these questions (1a). The gravitational field strength g on the earth’s surface is 9.8N/kg. explain what this means.(b) Using the law of gravity, show that gr2= k. Where g=gravitational field strength at a distance r from the center of the earth (r>Re...
Friday, January 8, 2016 by collins

physics
(1a). The gravitational field strength g on the earth’s surface is 9.8N/kg. explain what this means.(b) Using the law of gravity, show that gr2= k. Where g=gravitational field strength at a distance r from the center of the earth (r>Re), where Re is the radius of the ...
Friday, January 8, 2016 by Anonymous

physics
(1a). The gravitational field strength g on the earth’s surface is 9.8N/kg. explain what this means.(b) Using the law of gravity, show that gr2= k. Where g=gravitational field strength at a distance r from the center of the earth (r>Re), where Re is the radius of the ...
Friday, January 8, 2016 by collins

math
You plant an 8-inch-tall tomato plant that grows 5 inches taller each week. On the same day, you plant a 14-inch-tall tomato plant that grows 3.5 inches taller each week. Graph a system of equations that represents the heights y (in inches) of the plants after x weeks. Use the...
Friday, January 8, 2016 by masha

u.s. history
Which cash crops were the most successful in the international interdependence system? Cotton, corn, squash, hemp Indigo, cotton, rice, tobacco *** Indigo, corn, potatoes, rum Tobacco, corn, rice, pumpkins
Friday, January 8, 2016 by Labbayk

u.s. history
Which answer best expresses some of the issues related to the court system that are listed in the Declaration of Independence? Cutting off trade and imposing taxes on the colonists are unfair practices. Denying the colonists trial–by–jury and sending them to Britain ...
Friday, January 8, 2016 by Labbayk

basic chemistry
different ways to split a mixture of benzene into components using two phase system separation
Thursday, January 7, 2016 by shivani

science
(c) Because static friction can adjust, the system can be at rest if the mass of block C is between some maximum value and some minimum value. What are these values if the coefficient of static friction between block B and the table is 0.200?
Wednesday, January 6, 2016 by xxxxxxx

science
1. The skeletal system is created to ____________ internal organs. A) protect <------------------- B) maintain C) support D) hide 2. Your elbow and knee are examples of A) ligaments. B) joints. <-------------------- C) cartilage. D) angles. 3. The muscular system allows ...
Wednesday, January 6, 2016 by Anonymous

English
I need help Can u tell me the meaning MEDIA IS THE NERVOUS SYSTEM OF OUR CULTURE plz tell me what it means
Wednesday, January 6, 2016 by Lola

ELA/Social Studies
Medieval Times: Letter to the Queen of Conections Academy PLease help You will earn a 10/10 portfolio grade for correctly completing and submitting the following assignment by 10/30/2015: Please review the attached list of Medieval titles, trades, positions and classes. Use ...
Wednesday, January 6, 2016 by Charlie Shuler

Math
You have a total of 21 pens and pencils. You have 3 more pens than pencils. Write a system of linear equations that represent this situation. How many of each do you have?
Tuesday, January 5, 2016 by Carly

Physics
1) Design a gear system using 12, 34 and 36 teeth gears that achieve a gear ratio of 13.5:1 and has the top and bottom gear spinning in opposite directions. 2) For a pulley system with 8 supporting strands, how far would you have to pull the rope to lift a 125 kg object 1.0 ...
Tuesday, January 5, 2016 by Lea

Algebra.
What is the solution to the system? use elimination . -18.6x+ 17.2y=90.2 14.2x+ 3.4y= -35.8 a.(3,2) b.(-3,2) c.(2/3,4/9) d.(2,3) IS IT D??
Tuesday, January 5, 2016 by Sierra.

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Homework Help: Computers