Friday

January 30, 2015

January 30, 2015

**Recent Homework Questions About Operating Systems**

Post a New Question | Current Questions

**Physics**

If a 100-g mass was placed at the 25-cm mark, and a 20-g mass at the 10-cm mark, where should a 500-g mass be placed to balance the system?
*Tuesday, January 14, 2014 at 10:08pm*

**Algebra**

How many solutions does this system of equations have? y = 4x + 3 and 2y - 8x = 3 One, two, infinitely many, or no solutions? My answer is no solutions.
*Tuesday, January 14, 2014 at 6:13pm*

**Math for Steve**

How many solutions does the system of equations have? y=4x+4 y=4x-3 y=-6x-2 y+2=-6x
*Monday, January 13, 2014 at 8:30pm*

**Algebra**

The town is organizing a Fourth of July parade. There will be two sizes of floats in the parade (30 ft and 15 ft). A space of 10 ft will be left after each float. A. The parade must be at least 150 ft long, but less than 200 ft long. What combinations of large and small floats...
*Monday, January 13, 2014 at 7:54pm*

**Math- Systems of equations and inequalities**

Joe wants to fence a rectangular pen for his goats. The length of the pen should be at least 60 ft, and the distance around should be no more than 260 ft. Which system of inequalities and graph represent the possible dimensions of the pen? (1 point) Terry has completed 15 ...
*Monday, January 13, 2014 at 7:28pm*

**Computers**

You have administrative rights to your computer running windows 7. You cannot find some of the operating system files on your system volume. What to do to make the appear? A. Uncheck hide protected operating system Giles in folder options. B. Uncheck hide protected operating ...
*Monday, January 13, 2014 at 7:27pm*

**Math**

How many solutions does the system of equations have? 3x=-12y+15 and x + 4y=5 Y=6x+2 and 3y-18x=12 x-2y=6 and 3x – 6y =18 y-5x=-6 and 3y-15x=-12 Ok, so I’m having problems with these, so if Steve or Reiny could help with these problems and show the work for them that...
*Monday, January 13, 2014 at 6:51pm*

**Intro to Computers**

You are setting up a desktop computer for an AutoCad specialist who needs a minimum of 125 GB of RAM. Which operating system below would be best-suited for his needs? A. Windows 8 Home 64-Bit Edition B. Windows XP 32-Bit Professional Edition C. Windows Millennium 64-Bit ...
*Monday, January 13, 2014 at 4:19pm*

**Math**

An aircraft is to carry a load of relief food supplies from a depot which holds 2 kinds of food package. Each carton of food package A weighs 15 kilograms, 40 liters in volume and contains 250 ration units. Each carton of food package B weighs 25 kilograms, 20 liters in volume...
*Monday, January 13, 2014 at 2:36am*

**Fundamentals of finance**

"Genatron wants to estimate what will happen to its income before interest and taxes if its net sales change from the 2012 level of $1,500,000. Refer to Genatron’s 2012 income statement below, where the income before interest and taxes is $247,000 (EBT of $190,000 ...
*Sunday, January 12, 2014 at 9:41pm*

**US history**

What is the purpose or reason for the Factory system and when was it invented????
*Sunday, January 12, 2014 at 3:57pm*

**Fundamentals of finance**

"Genatron wants to estimate what will happen to its income before interest and taxes if its net sales change from the 2012 level of $1,500,000. Refer to Genatron’s 2012 income statement below, where the income before interest and taxes is $247,000 (EBT of $190,000 ...
*Sunday, January 12, 2014 at 2:03pm*

**algebra**

How to solve the system of equations below using elimination? b = 2a+1 10a+b=5b+2
*Sunday, January 12, 2014 at 1:15am*

**math**

Andrew has $2.75 in nickels and quarters in his coat pocket. If he has a total of 15 coins, which system of equations could you use to find the number of quarters in Andrews coat pocket? 1)x+y=15 0.5x+0.25y=2.75 2)x+y=2.75 x+y=15 3)x+y=15 0.05x+ 0.25y=2.75 4) x+y=15 5x+25y=2....
*Saturday, January 11, 2014 at 7:57pm*

**Physics Please check my answer**

Okay, so I've figured this much out on my own, I just need help with the next part. It's a two block system with a friction of .20 a hanging mass of 7.5 kg and mass on the table at 10 kg. I got 3.08 m/s^2 for the acceleration and I got 22.8 N for the tension in the ...
*Saturday, January 11, 2014 at 2:23pm*

**Physics Please check my answer**

1. Which of the following are conserved in a totally inelastic collision? Only momentum Only kinetic energy Both momentum and kinetic energy Neither momentum nor kinetic energy <--- It depends on the objects. 2. Two skaters stand face to face. Skater 1 has a mass of 55 kg, ...
*Saturday, January 11, 2014 at 10:13am*

**algebra**

An exam consists of two parts, Section X and Section Y. There can be a maximum of 95 questions. There must be at least 20 more questions in Section Y than in Section X. Write a system of inequalities to model the number of questions in each of the two sections. Then solve the ...
*Saturday, January 11, 2014 at 3:59am*

**Stuck on this Algebra 2 question!**

what is the solution of the system of equations? 2x+2y+3z=-6 3x+5y+4z=3 2x+3y+4z=-10
*Saturday, January 11, 2014 at 12:45am*

**Math**

which ordered pair is the solution of the following system of equations? y=2x-3 x+y=3 1) (1,2) 2)(2,1) 3)(3,0) 4)(3,3) MY work: y=2x-3 x+(2x-3)=3 3x-3=3 +3 +3 3x/3=6/3 x=2 x+y=3 2+y=3 -2 -2 y=1 so I got (2,1) which would be answer 2 Is this correct? Thanks for checking my work
*Friday, January 10, 2014 at 8:25pm*

**health**

What three processes does food undergo in the digestive system?
*Friday, January 10, 2014 at 12:08pm*

**Physics**

A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The figure is a top view, gravity points into the screen. The rod is free to rotate about an axis perpendicular to the plane and...
*Friday, January 10, 2014 at 8:20am*

**Algebra 2 help!**

What is the solution set to the following system? x+y=3 x^2+y^2=9 a.(0,-3)(3,0) b.(0,3)(-3,0) c.(0,3)(3,0) d.(0,-3)(-3,0)
*Thursday, January 9, 2014 at 10:19pm*

**Algebra 1 (Reiny)**

Will you please explain the steps I must take in order to graph these linear inequalities? Graph each system of linear inequalities. Give two ordered pairs that are solutions and two that are not solutions. 1. y < 2x - 1 y > 2 2. x < 3 y > x -2 3. y => 3x 3x + y...
*Thursday, January 9, 2014 at 9:55pm*

**Algebra 2**

Which matrix represents the system of equations below? -10x-9y+13z=12 8x-7y-5z=15 5x+4y-6z=-12 a. -10,-9,13 8,-7,-5 5,4,-6 b.-10,-9,13 8,7,5 4,4,-6 c.-10,8,5 -9,-7,4 13,5,-6 d. 10,8,5 9,-7,4 13,5,-6
*Thursday, January 9, 2014 at 9:05pm*

**Introduction to Computers**

The command prompt found on Windows 7 and Windows 8 is very similar to the interface of what past operating system? A. Dos B. Windows 95 C. Windows 98 D. Windows NT
*Thursday, January 9, 2014 at 4:41pm*

**Science -- I can't find my original post...**

In a closed room with an electric system controlled by a thermostat, would hanging a load of laundry to dry in that room require the system to work harder to maintain the temperature of the room?
*Thursday, January 9, 2014 at 12:28pm*

**math**

MOVIE CLUB Members of a movie rental club pay $15 annual membership fee and $2 for new release movies. Non Members pay $3 for new release movies. a. Write a system of linear equations that represent this situation. b. When is it beneficial to have a membership?
*Wednesday, January 8, 2014 at 11:11pm*

**health**

Neurons carry out the functions of the nervous system by conducting ________. A. Nerve stimulation B. Nerve tissue development C. Nerve impulses D. All of the above I wanna say C, but I want to make sure I am right.
*Wednesday, January 8, 2014 at 4:42pm*

**programming(visual basic)**

debugging exercise: Private Sub btnItemNumber_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnItemNumber.Click Dim decCost As Decimal Dim intCount As Decimal decCost = Convert.ToDecimal(txtCost.Text) Inventory(decCost, intCount) End Sub Private Sub...
*Wednesday, January 8, 2014 at 2:25am*

**Math Question**

Hi, I need help with a math question. Thank you to whoever helps me! :) When solving a system of 2 equations and 2 unknowns using the substitution method, what is the ideal value of the coefficient of the isolated variable?
*Tuesday, January 7, 2014 at 7:51pm*

**english 11**

In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? My sister was born in Chicago. She went to boarding school in Coventry. My sister moved away in 2009. Her grades gave my sister a place in the top rank of her class. 7. Read the ...
*Tuesday, January 7, 2014 at 6:32pm*

**english 11**

In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? My sister was born in Chicago. She went to boarding school in Coventry. My sister moved away in 2009. Her grades gave my sister a place in the top rank of her class. 7. Read the ...
*Tuesday, January 7, 2014 at 6:30pm*

**Health (Ms. Sue)**

List three things you should do to protect yourself while operating a small, open vehicle that you would not have to do while driving a car. Explain.
*Tuesday, January 7, 2014 at 2:54pm*

**Social Studies**

Most of Southeast Asia's land is: A. below sea level, so a system of dikes is used to keep it from flooding. B. contained in a vast land mass with very few bodies of water. C. subject to a desert like climate. D. either part of a peninsula or part of an archipelago. D
*Tuesday, January 7, 2014 at 11:36am*

**please help me!! with this science!!!!!**

Multiple Choice 1. Which sphere of the Earth system contains all living organisms? (1 point) atmosphere biosphere geosphere hydrosphere 2. Which of the following statements best describes the geosphere? (1 point) the sphere that consists of solid rock layers near Earth’s ...
*Tuesday, January 7, 2014 at 4:52am*

**medical coding**

1.LOCATION: Inpatient, Hospital PATIENT: Margaret Hill ATTENDING PHYSICIAN: Ronald Green, MD SURGEON: Gary Sanchez, MD PREOPERATIVE DIAGNOSIS: Chronic cholecystitis and cholelithiasis POSTOPERATIVE DIAGNOSIS: Chronic cholecystitis and cholelithiasis PROCEDURE PERFORMED: ...
*Monday, January 6, 2014 at 4:08pm*

**physics**

A power plant burns coal and generates an average of 600.0 Megawatts (MW) of electrical power while discharging 900.00 MW as waste heat. Find the total electrical energy generated by the plant in a 30-day period. Coals vary a lot in their energy content. The energy released by...
*Monday, January 6, 2014 at 3:58pm*

**Physics**

Two balls of different masses are set at a height of 3 m above the ground on a frictionless table. The ball on the left is of mass 2M and the ball on the right has a mass of 3M. They both are released simultaneously and slide onto the part of the table 2 m above the ground. ...
*Monday, January 6, 2014 at 10:44am*

**Algebra**

Solve the system of linear equations using the substitution method. 3x + 3y = 0 -6x + 9y = -10
*Monday, January 6, 2014 at 2:35am*

**Algebra**

I'm asked to solve the following system using elimination and say how many solutions there are: 4x - 7y = 15 -8x + 14y = -30 The answer says that there are infinitely many solutions, but I am getting 8x - 14y = 30 and -8x + 14y = -30. I think they both come up as 30 and -...
*Sunday, January 5, 2014 at 4:59pm*

**Math**

1) What is the value of y in the system x+3y-z=-3, 6x=2y-1 and x=z+3 IF x = 5/6 and z = 23/6? 2) Given the systems x+y+z=-14 and 2x+y+6z=16, how many number of solutions to the system are there?
*Sunday, January 5, 2014 at 12:18am*

**Algebra**

True or false. 1. The system (2x - y = 3) and (x + 3y = 5) is consistent and independent. 2. There are infinitely many solutions to the system (2x - y = 3 and y = 2x + 5).
*Saturday, January 4, 2014 at 9:37pm*

**Algebra**

How do I solve this system using substitution? y = 8 - x 7 = 2 - y
*Saturday, January 4, 2014 at 4:44pm*

**Math**

Can someone explain how to solve this system using substitution? 1.25x + 0.75y = 109.75 x + y = 105
*Saturday, January 4, 2014 at 12:11am*

**World Geograpy**

1. With respect to global connections, association with _______ offers the brightest immediate future for many African countries. A. India B. the European Union. C. China D. the United States. 2. Slum areas called shantytowns occur in _________ major African cities, housing ...
*Thursday, January 2, 2014 at 5:35pm*

**Algebra 1 (Reiny or Kuai)**

Solve each system by elimination. a. 2x + 3y = 33 y= 1/4x
*Monday, December 30, 2013 at 8:00pm*

**motion analysis**

5. (a) Using the information below estimate the time required to analyse the data collected using the two motion analysis systems when there are 10 markers on the subject and the data is collected for 100 frames. Cinematography system 2 seconds per marker 5seconds to change ...
*Monday, December 30, 2013 at 4:50pm*

**medical insurance**

under the us medicare system ,nonparticipating providers are asked to prepare a financial statement for pateints who will be receiving elective surgery where the costs exceeds a.300 b.500 c.200 d.400 my answer is b
*Sunday, December 29, 2013 at 7:19pm*

**motion analysis**

5. (a) Using the information below estimate the time required to analyse the data collected using the two motion analysis systems when there are 10 markers on the subject and the data is collected for 100 frames. Cinematography system 2 seconds per marker 5seconds to change ...
*Sunday, December 29, 2013 at 11:21am*

**algebra**

2) A high school drama club is putting on their annual theater production. There is a maximum of 800 tickets for the show. The costs of the tickets are $6 before the day of the show and $9 on the day of the show. To meet the expenses of the show, the club must sell at least $5...
*Thursday, December 26, 2013 at 10:01am*

**Algebra 2**

sauce 1: 5 green peppers + 4 hot peppers sauce 2: 4 green peppers + 8 hot peppers I have 1050 green peppers and 1200 hot peppers Profit sauce 1 :$1.20 Profit sauce 2: $ 1.00 I made a system of inequalities: 5x +4y > 1 4x +8y > 1 x< 1050 y< 1200 I calculated I can ...
*Wednesday, December 25, 2013 at 2:17pm*

**Algebra 11th**

Activity 1: Graphing To fill an order for Sizzlin' Sauce sauces, you bought 1050 green peppers and 1200 hot chili peppers. • Write and graph a system of inequalities to represent how many pints of each kind of sauce you can make. Use the recipes below. • Select ...
*Wednesday, December 25, 2013 at 12:36am*

**Introduction to computers**

which web browser is natively on a major operating system? a.ie 10 b.opera c.firefox d.chrome
*Tuesday, December 24, 2013 at 4:20pm*

**Science**

1. Why is California’s high-speed rail such a groundbreaking effort? 2. Why will it take so long to complete the high-speed rail route? 3.Should other states wait to see if the high-speed rail system works well before starting their own plans for similar systems? Could ...
*Monday, December 23, 2013 at 6:26pm*

**Please help quickly! Social Studies**

Please check my answers What was the constitutional issue decided in McCulloch v. Maryland? (Points : 1) Whether the federal government could raise revenue for internal improvements The extent to which states and the federal government shared jurisdiction over commerce <-- ...
*Sunday, December 22, 2013 at 9:08pm*

**MAT126: Survey of Mathematical Methods **

All numbers in our real number system are the product of prime numbers. Complete the following steps for this discussion: List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or ...
*Friday, December 20, 2013 at 10:41am*

**algebra 2**

if a system of equations has no solution then it is what?
*Thursday, December 19, 2013 at 8:31pm*

**Chemistry**

You are operating an X-ray tube with a molybdenum (Mo) target by applying an acceleration potential of 50 keV. Calculate the values of two characteristic wavelengths, λKα and λSWL. Express your answers in meters.
*Thursday, December 19, 2013 at 4:29pm*

**US History**

Source: "Brutus" Letter XVI April 10, 1788, "John DeWitt" Letter III Nov. 5, 1787, Anti-federalists Papers They uniformly exercise all the powers granted to them, and ninety-nine in a hundred are for grasping at more. It is this passionate thirst for power...
*Wednesday, December 18, 2013 at 10:13pm*

**Math**

Solve the following system of equations. 8x + 5y = -91 3x + y = -21
*Wednesday, December 18, 2013 at 8:42pm*

**socialstudies(check answers please)**

please check my answers and thank you 1. what resource first drew european traders to canada ? A. timber B. fish C. animal furs (i pick this) D. whales 2. Evaluate which of the following most allowed religious freedom and french laws in canadas history ? A. quebec Act (i pick ...
*Wednesday, December 18, 2013 at 7:05pm*

**Math**

Solve the following system of equations. 8x + 5y = -91 3x + y = -21
*Wednesday, December 18, 2013 at 6:38pm*

**English**

Can you please check these sentences? Thank you very much in advance and Merry Christmas! 1) The Key-Note begins with an extended description of Coketown, the fictional setting for the novel, which is based on Preston, now part of greater Manchester, where Dickens went in 1953...
*Wednesday, December 18, 2013 at 5:33pm*

**engineering**

The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is expected to be ...
*Wednesday, December 18, 2013 at 12:04pm*

**engineering**

The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is expected to be ...
*Wednesday, December 18, 2013 at 10:06am*

**Math-Algebra**

(Engineering) The current / varies as the electromotive force E and inversely as the resistance R. If in a system, a current of 20A flows through a resistance of 20 ohms with an electromotive force of 100V, find the currect that 150V will send throu+gh the system. (Navigation...
*Wednesday, December 18, 2013 at 1:55am*

**math **

Which quadrant does the solution of the system fail? x+y=4 2x-y=2 Please help I don't know what to do. I don't what the answer, just want to be guided to it! Thank you (:
*Tuesday, December 17, 2013 at 4:13pm*

**Science question**

for my science project I have to chose a planet that I would like to visit. I choose "Venus." I know it's not possible to travel to Venus, but I don't believe man has visited in other planet in our solar system, besides the moon. and the moon isn't really...
*Tuesday, December 17, 2013 at 3:35pm*

**to ALison (planets)**

Just out of curiosity, what didn't you like about the wiki.answer slides? They seemed to explain fairly well why the rocky planets are in the inner system, and the gaseous ones are in the outer system.
*Tuesday, December 17, 2013 at 2:38pm*

**Design**

The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is expected to be ...
*Tuesday, December 17, 2013 at 8:33am*

**geometry**

The measure of the angles in a parallelogram total 360. Write and solve a system of equations to determine the values of x and y. The parallelogram shows x and 5.5y. The triangle shows x and y. I have the first equation at 180= x + 5.5y. What would be another equation for the ...
*Monday, December 16, 2013 at 10:26pm*

**Fin/571**

3. Bell Mountain Vineyards is considering updating its current manual accounting system with a high-end electronic system. While the new accounting system would save the company money, the cost of the system continues to decline. The Bell Mountain’s opportunity cost of ...
*Monday, December 16, 2013 at 10:21pm*

**social studies**

would military spending be a modern example of a centrally planned economic system
*Sunday, December 15, 2013 at 7:47pm*

**college Algebra**

Write the system as a matrix and solve it by Gauss-Jordan elimination. (If the system is inconsistent, enter INCONSISTENT. If the system has infinitely many solutions, show a general solution in terms of x, y, or z.) x + 2y − z = 5 2x − y + z = 2 3x − 4y + 3z...
*Sunday, December 15, 2013 at 4:15pm*

**Math**

When solving a system of equations, how do you determine which method to use? Like how can you determine when to use Elimination, Substitution or Graphing???
*Saturday, December 14, 2013 at 12:58pm*

**lean manufacturing**

1. What trade-offs are involved in shifting from a traditional operations systems to a lean operating syatem for” a. manufacturing b. servicing 2. Who in the organization is affected by a decision to shift from a traditional to lean operating system? 3. To what extent has...
*Saturday, December 14, 2013 at 6:22am*

**college Algebra**

Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x, y, or z.) x + y = 18 y + z = 18 x − z = 0
*Friday, December 13, 2013 at 7:06pm*

**college Algebra**

Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x, y, or z.) x + y + z = 7 2x + y + z = 14 x + 2y + 3z = 2
*Friday, December 13, 2013 at 6:54pm*

**College Algebra**

Use a system of equations to solve the problem. A rectangular picture frame has a perimeter of 2,200 centimeters and a width that is 300 centimeters less than its length. Find the area of the picture. _____ cm2
*Thursday, December 12, 2013 at 6:55pm*

**Science**

Which of the following ets of terms could be used in a deseription of the peripheral nervous system?
*Thursday, December 12, 2013 at 2:39pm*

**Science Easy 2 Points!**

Which of the following best explains why it is nessecary for the body to eliminate waste? a) to allow the body to maintain a certain size b) to keep the body's internal enviroment in balance c) to make room for nutrients coming in d) to reduce unpleasent odors What happens...
*Thursday, December 12, 2013 at 12:19pm*

**American History**

Policy-making in the Federal System national government's education policies
*Wednesday, December 11, 2013 at 8:36am*

**Physics Classical Mechanics**

Attach a solid cylinder of mass M and radius R to a horizontal massless spring with spring constant k so that it can roll without slipping along a horizontal surface. If the system is released from rest at a position in which the spring is stretched by an amount x0 what is the...
*Wednesday, December 11, 2013 at 7:52am*

**Physics**

In the hydraulic system shown in the figure, the piston on the left has a diameter of 4.5cm and a mass is 3.0kg. If the density of the fluid is 710kg/m^3 , what is the height difference h between the two pistons in m? I checked the other similar questions like this and tried ...
*Wednesday, December 11, 2013 at 3:57am*

**Physics**

In the hydraulic system shown in the figure, the piston on the left has a diameter of 4.5cm and a mass is 3.0kg. If the density of the fluid is 710kg/m^3 , what is the height difference h between the two pistons in m? I checked the other similar questions like this and tried ...
*Wednesday, December 11, 2013 at 3:56am*

**Algebra**

Ramiro earns $20 per hour during the week and $30 per hour for overtime on the weekends. One week Ramiro earned a total of $650. He worked 5 times as many hours during the week as he did on the weekend. Write and solve a system of equations to determine how many hours of ...
*Tuesday, December 10, 2013 at 9:22pm*

**Algebra **

A roadside vegtable stand sells pumpkins for $5 each and squashes for $3 each. One day they sold $6 more squash than pumpkins, and their sales totaled $98. Write and solve a system of equations to find how many pumpkins and squash they sold?
*Tuesday, December 10, 2013 at 9:19pm*

**Science **

What is the best tool to create a model of a complex this system?
*Tuesday, December 10, 2013 at 7:22pm*

**algebra**

what is the solution of the following system {3x + 3y =10 {-9x-9 =-30 Can you show step by step please.
*Tuesday, December 10, 2013 at 1:49pm*

**Physics**

Ice of mass 51.5 g at -10.2° C is added to 218 g of water at 13.5° C in a 111 g glass container of specific heat 0.200 cal/g-°C at an initial temperature of 24.9° C. Find the final temperature of the system.
*Tuesday, December 10, 2013 at 1:48pm*

**Algebra**

Which linear system of equation does the matrix represent [2 -3=10] [5 6=-12] is it {2x + 5y =10 {5x + 6y =-12
*Tuesday, December 10, 2013 at 1:47pm*

**Physics**

Help!!!! Please!!! The coefficient of performance of a refrigerator is defined as the ratio of heat extracted from the refrigeration compartment to the work required to operate the refrigerator. A certain refrigerator has a coefficient of performance of 4 and requires 515 W of...
*Tuesday, December 10, 2013 at 1:37pm*

**Algebra2**

what is the solution to the above system of equation 2x + 5y =-4 4x -5y =22
*Tuesday, December 10, 2013 at 12:20pm*

**Social Studies**

1. Diversity most closely means (1 point) sharing cultural traits and practices with others. making up a whole of many different parts. being a member of a small ethnic group. having many similar regions next to one another. 2. How does life in Istanbul differ from life in ...
*Tuesday, December 10, 2013 at 11:43am*

**classical mechanics**

Attach a solid cylinder of mass and radius to a horizontal massless spring with spring constant so that it can roll without slipping along a horizontal surface. If the system is released from rest at a position in which the spring is stretched by an amount what is the period ...
*Tuesday, December 10, 2013 at 10:39am*

**Ap Physics 1**

The 1800 kg tractor exerts a force of 17500N backward on the pavement, and the system experiences forces resisting motion that total 2400 N. If the acceleration is 0.210 m/s2, what is the mass of the airplane? (b) Calculate the force exerted by the tractor on the airplane, ...
*Tuesday, December 10, 2013 at 9:53am*

**Algebra2**

Please me with this thanks What is the solution of the system of equations? 3x + 2y + z =7 5x + 5y + 4z =3 3x + 2y + 3z =1
*Tuesday, December 10, 2013 at 9:40am*

**Ap Physics 1**

The 1800 kg tractor exerts a force of 1.75 104 N backward on the pavement, and the system experiences forces resisting motion that total 2400 N. If the acceleration is 0.210 m/s2, what is the mass of the airplane? (b) Calculate the force exerted by the tractor on the airplane...
*Tuesday, December 10, 2013 at 9:37am*

**Chemistry **

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

**Astronomy**

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

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