# Homework Help: Computers: Operating Systems

## Recent Homework Questions About Operating Systems

**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 and ...

*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 of ...

*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 will ...

*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 •• A system ...

*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 concentrated at...

*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=4(j+6) D. H=10J H+4=6(j+4)

*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; $8.00 2. ...

*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 for...

*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 American ...

*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 amount ...

*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 amount ...

*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 to ...

*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.*

**Algebra**

Write a linear system of equations that can be used to solve these problems. Then, solve to get your final answer. I need someone to help me go through this and point me into the correct direction. 5. Matt and Michelle are selling fruit. Customers can buy small boxes of ...

*Tuesday, January 5, 2016 by LadyPhantomhive*

**Physics**

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 meters off the ground? What if the pulley system were only 80% efficient?

*Tuesday, January 5, 2016 by Lea*

**Algebra 1**

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.*

**Pre-Algebra**

Write a linear system of equations that can be used to solve these problems. Then, solve to get your final answer. Please help me work through this. 4. The difference of two numbers is 3. Their sum is 13. Find the numbers. 5. Matt and Michelle are selling fruit. Customers can ...

*Tuesday, January 5, 2016 by LadyPhantomhive*

**Algebra. Please help me understand.**

Write a linear system of equations that can be used to solve these problems. Then, solve to get your final answer. 3. The school that Kevin goes to is selling tickets to a fieldtrip. On the first day of ticket sales, the school sold 3 adult tickets and 1 child ticket for a ...

*Tuesday, January 5, 2016 by LadyPhantomhive*