Tuesday
September 2, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

math
Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations a+2b+3c+4d+5e=177, 2a+3b+4c+5d+e=154, 3a+4b+5c+d+2e=146, 4a+5b+c+2d+3e=138, 5a+b+2c+3d+4e=165 This a really hard questioon but don't give up, please.
Thursday, September 19, 2013 at 7:41pm

Science!
I rlly need to make sure these are correct. 3) Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process?(1point) Turning ...
Thursday, September 19, 2013 at 7:36pm

Science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b. The conversion of ...
Thursday, September 19, 2013 at 7:05pm

Science
1) Why do scientists use models?(1point) Scientists use models to learn about things that are too small, too large, or to complex to observe directly. Scientists use models because doing so is always part of the scientific method. Scientists use models because they work ...
Thursday, September 19, 2013 at 6:51pm

Geography
Which statements describe the geographic theme of regions? Select all that apply. Different types of regions have little or no effect upon each other. Climate regions are defined by their average temperature and their political system. Physical regions can be formed by ...
Thursday, September 19, 2013 at 3:43pm

science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b. The conversion of ...
Thursday, September 19, 2013 at 12:53pm

science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b. The conversion of ...
Thursday, September 19, 2013 at 11:05am

algebra
Solve the system by substitution: -4.5x-2y=-12.15 3.25x-y=-0.75
Wednesday, September 18, 2013 at 3:26pm

INF103: Computer Literacy
Which of the following components was a significant development featured in the Macintosh LISA computer? (Points : 1) C Prompt Disk Operating System Graphical User Interface) Memory
Tuesday, September 17, 2013 at 12:18pm

physics
A .255 kg mass is attached to a spring and executes simple harmonic motion with a period of .56 s. The total energy of the system is 3.6 J. Find the force constant of the spring. Answer in units of N/m
Monday, September 16, 2013 at 7:35pm

FIN
Question 2 Archer Daniels Midland Company is considering buying a new farm that it plans to operate for 10 years. The farm will require an initial investment of $12.00 million. This investment will consist of$2.00 million for land and $10.00 million for trucks and other ... Monday, September 16, 2013 at 10:53am physics (a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC? (b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C? Sunday, September 15, 2013 at 9:46pm physics (a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC? (b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C? Sunday, September 15, 2013 at 8:03pm Park University The number of arrivals per period is distributed according to the Poisson with an expected value of 0.75 unit per period. The cost of waiting per unit per period is$3.20. The facility cost for serving one unit per period is $5.15. What expected service rate should be ... Sunday, September 15, 2013 at 4:51pm Math Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed). Analyze how the average waiting time is expected to change as the arrival rate varies from two to ten customers per hour (exponentially distributed) Saturday, September 14, 2013 at 5:17pm college math system of equations: solve the following system of operations using matrices (row operations) {5x + y + z + w = -5} {x - 2y + 2z -3w = -4} Saturday, September 14, 2013 at 2:28pm physics A motorist traveling with constant speed of vc = 16.0 m/s passes a school-crossing corner, where the speed limit is 10 m/s. Just as the motorist passes, a police officer on a motorcycle stopped at the corner starts off in pursuit. The officer accelerates from rest at am = 2.67... Saturday, September 14, 2013 at 10:43am math ASAP Find the point of intersection L1: r(t)= (-5 + 3t)i + (1+t)j L2= r(s) = (1+2s)i + (5-6s)j I know they are perpendicular, and the system of equations I think is t= 4/5 s =8/5 so how do I find the point of intersection Saturday, September 14, 2013 at 12:01am Chemistry On an alien planet, volume is measured in units of smaugs (S) and odahviings (O), where 1 S = 2.25 O. By some weird coincidence, they use the exact same metric system that we use. Knowing this, how much is 500.0 O in units of kS Thursday, September 12, 2013 at 10:39pm physics You are to make four straight-line moves over a flat desert floor, starting at the origin of an xy coordinate system and ending at the xy coordinates (-148 m, 66 m). The x component and y component of your moves are the following, respectively, in meters: (20 and 60), then (bx... Thursday, September 12, 2013 at 6:55pm Geography (Ms. Sue) 1). What three factors have contributed to the success of the American economy? 2). What are the geographic origins of some American musical styles? 3). What invention made life in the suburbs possible? My answers to these questions are the following: 1). Available natural ... Thursday, September 12, 2013 at 4:13pm Science 1)Which of the following is a valid reason to study science?(1point) All employers require an in-depth knowledge of science. Carrying out scientific experiments is a requirement of everyday life. Most colleges require advanced science classes. Understanding basic science terms... Thursday, September 12, 2013 at 11:46am chem Consider two identical iron nails: One nail is heated to 95 °C, the other is cooled to 15 °C. The two nails are placed in a coffee cup calorimeter and the system is allowed to come to thermal equilibrium. What is the final temperature of the two nails? Thursday, September 12, 2013 at 10:18am business what economic system is best for crisas of epic popertion Thursday, September 12, 2013 at 12:35am Chemistry Define a system and state the significant the enthalpy change for the system. Explain your reasoning? A) natural gas burning in a furnace B) melted wax solidifying Wednesday, September 11, 2013 at 6:03pm algebra {-3x - y= -10 { 4x - 4y = 8 Solve the system by graphing Wednesday, September 11, 2013 at 3:20pm mitx 8.01x Classical Mechanics A motorist traveling with constant speed of vc = 17.000 m/s passes a school-crossing corner, where the speed limit is 10 m/s. Just as the motorist passes, a police officer on a motorcycle stopped at the corner starts off in pursuit. The officer accelerates from rest at am = 3.... Tuesday, September 10, 2013 at 7:16pm mitx 8.01x Classical Mechanics Vector A⃗ , in the first quadrant, has a magnitude |A⃗ |= 1.0 and is at an angle α = 40 ∘ with respect to the positive x-axis. Vector B⃗ , in the fourth quadrant, has a magnitude |B⃗ |= 2.5 and is at an angle β = 20.0 ∘ with ... Tuesday, September 10, 2013 at 7:12pm physics Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 42 km away, 21° north of west, and the second team as 29 km away, 37° east of north. When the first team uses ... Tuesday, September 10, 2013 at 1:08pm Technology A printer is a/an: Choose all which apply. a) input device b) output device c) data storage device d) operating system Tuesday, September 10, 2013 at 12:15pm Mathematics Solve the following system of linear equations using the matrix inverse method. \begin{array}{ccc} 3x+2y&=&7 \\ 4x+3y&=&10\end{array} Monday, September 9, 2013 at 8:39pm ela can someone help me think of a rhyme to remember the solar system was formed 4.6 billion years ago Monday, September 9, 2013 at 5:28pm ela I need a rhyme to remember the solar system formed around 4.6 billion years ago ? Monday, September 9, 2013 at 5:04pm Math - System of Equations Clark and Lois ran for class president. Clark received 100 fewer votes than Lois. If Clark had received twice as many votes(and Lois had received the same amount), he would have won by 122 votes. How many votes were cast in the election, assuming that no one else received any ... Monday, September 9, 2013 at 1:56pm accounting ABC Company uses cash basis accounting for its records. During 2010, ABC collected$400,000 from its customers, made payments of $300,000 to its suppliers for inventory, and paid$140,000 for operating costs. ABC wants to prepare accrual basis financial statements. In ...
Monday, September 9, 2013 at 1:25am

Solar system
Why do objects in the solar system spin in the same direction?
Sunday, September 8, 2013 at 11:00pm

Quantum physics
1] Given qubit 1 in the state 35|0>+45|1> and qubit 2 in the state 12√|0>+i2√|1>, what is the state of the composite system? in form of a│00> + b│01> + c│10> + d│11> find a b c d. 2] Which of the following states is ...
Saturday, September 7, 2013 at 11:41pm

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 = +6.6 m/s and ax = +2.0 m/s2. The y components of the puck's initial velocity and acceleration are ...
Saturday, September 7, 2013 at 9:23pm

physics
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 37 km away, 24° north of west, and the second team as 34 km away, 38° east of north. When the first team uses ...
Saturday, September 7, 2013 at 4:31pm

history
If Catal huyuk had been built near a major river system, how might life have been different? Check my answer. Floods, fire, drought and other natural disasters could destroy a village. Diseases such as malaria could spread easily among people living closely together.
Saturday, September 7, 2013 at 7:25am

history
If Catal huyuk had been built near s major river system, how might life have been different?
Saturday, September 7, 2013 at 6:45am

biology
Methyl mercury is a toxic substance that can harm the nervous system. Some fish are contaminated with high levels of methyl mercury. In many places, these fish are an important food source. Experiments are being conducted to determine how many meals of contaminated fish can be...
Friday, September 6, 2013 at 6:07pm

small engane
FIGURE A-9—This photo should be used to answer Question 15. 15. Two small engine technicians are disassembling the engine shown in Figure A-9. After observing the engine components, both technicians say that this engine has a splash-type lubrication system. Technician A ...
Thursday, September 5, 2013 at 5:30pm

accounting
Sam is trying to decide whether he should operate his business as a C cor- poration or as an S corporation. Due to potential environmental hazard problems, it is imperative that the business have limited liability. Sam is leaning toward the S corpora- tion form because it ...
Thursday, September 5, 2013 at 2:45pm

walden
4.During the energy crisis of the 1970s, and again in the last 5 years, Congress bemoaned the “price gouging” and “windfall” profits of the major oil companies. In the 1970s Congress imposed an “excess profits tax” on these companies. It did not ...
Wednesday, September 4, 2013 at 1:24pm

Physical Science
If no friction acts on a diver during a dive, then which of the following statements is true? A. The total mechanical energy of the system increases. B. Potential energy can be converted into kinetic energy but not vice versa. C. (KE+ PE)beginning = (KE + PE)end D. all of the ...
Tuesday, September 3, 2013 at 3:28pm

I need help I am not sure how to revise these sentences without leaving out or leaving in to much information if someone would please help me. Revising Messages: Directness and Conciseness Revise the following short e-mail messages so that they are more direct and concise; ...
Sunday, September 1, 2013 at 3:37pm

computers
Duane will use an open system LAN because he knows the open system will support varieties of hardware and software components made by different vendors. Steve will use a closed system LAN because he knows the closed system is favored by network manufacturers. Who is using the ...
Sunday, September 1, 2013 at 2:30pm

pHysics !!
A 20-g bullet is fired horizontally into a 980 g block of wood suspended by a long cord. The bullet sticks in the block and causes the block to swing 15 cm above its initial level. a) What is the momentum of the bullet before it hit the block? b) Determine the velocity of the ...
Sunday, September 1, 2013 at 11:23am

Vectors
How to solve a system of equations if there are FOUR equations with THREE unknowns?
Wednesday, August 28, 2013 at 11:48pm

hca 415
U.S. Health Care System Critical Issues The size, scope, and complexity of the U.S. health system makes it difficult to deliver quality care to all of its citizens. What do you believe are the three most critical issues facing the health care system in the United States today...
Wednesday, August 28, 2013 at 5:08pm

PHYsics !!
a) What do you understand by Simple Harmonic Motion? b) A simple harmonic motions is characterized by the equation x = (10 cm) sin (0.1t + ) where, x is in cm and t is in seconds Determine the i. amplitude and angular frequency. ii. linear frequency and period. iii. ...
Tuesday, August 27, 2013 at 9:32am

Pyhsical Science
What is a system of knowledge and the methods used to find that knowledge? A. science B. technology C. measurement D. curiosity I think it's D.
Tuesday, August 27, 2013 at 7:10am

algebra 2
SOlve the system of inequalites by graphing. y< -4x-2 - y >3x-3
Monday, August 26, 2013 at 10:51pm

financing and budget
which of the following categories makes up the largest percentage of a child care operating budget/ a. supplies b. salaries benefits c. food. mortgage or rent
Monday, August 26, 2013 at 2:50pm

physics
A ballistics pendulum is a device used to measure the speed of a fast moving projectile such as a bullet. A bullet of mass 5g is fired into a large block of wood of mass 1.5kg suspended from some light wires. The bullet is stopped by the block and the entire system swings ...
Sunday, August 25, 2013 at 2:51am

physics
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 79.0 m/s at ground level. The engines then fire, and the rocket accelerates upward at 3.90 m/s2 until it reaches an altitude of 980 m. At that point its engines fail, and the...
Sunday, August 25, 2013 at 2:06am

operating a car
Non-standard equipment and accessories added to the basic vehicle are generally called: A. luxury items. B. options. C. add-ons. D. an extended warranty. i think its b
Friday, August 23, 2013 at 11:49pm

Finance
1. Briarcrest Condiments is a spice-making firm. Recently, it developed a new process for producing spices. The process requires new machinery that would cost $2,218,246. have a life of five years, and would produce the cash flows shown in the following table. Year Cash Flow 1... Friday, August 23, 2013 at 7:41pm Finance Can you show me how to solve these problems? PLEASE!!! I can't figure out how to solve these. :-( 1.Briarcrest Condiments is a spice-making firm. Recently, it developed a new process for producing spices. The process requires new machinery that would cost$1,953,490. have ...
Friday, August 23, 2013 at 3:19pm

Math
Solve the system of equations 3x-y=11 -5x+y=12 2. Perform the indicated operation and simplify (5/(x-2)+(4(x^2-2x) 3.simpify and write with only positive exponents (7x^3y^-2)/(x^-4y^9)^-3 4. find the solution of the inequality 2x-11 is less than or equal to -4(5x-3) 5. the ...
Thursday, August 22, 2013 at 9:38pm

Quantum Physics
If the first qubit is in the state √2/√3√|0>+1/√​3|1> and the second qubit is in the state 1/√3|0>+√2/√3|1>​, what is the state of the composite system?
Thursday, August 22, 2013 at 12:49pm

physics
The Hyperloop is a hypothetical new fast transport system between cities, which works by launching pods that carry people through a very low air pressure tunnel. The Hyperloop reduces friction between the pods and the tunnel by supporting the pod on a cushion of air. This air ...
Thursday, August 22, 2013 at 9:37am

English
1 The lack of a ___ system of measurement is an international problem. scanty, uniform, transient, instantaneous 2. Almost ____ communication kept the President up-to-the-minute with events at the conference. exponential, transient, instantaneous, nostalgic 1. uniform 2....
Wednesday, August 21, 2013 at 11:41pm

writing
How can I rewrite this introduction paragraph as a CONCLUSION paragraph? Tuesdays with Morrie is a very meaningful and powerful novel. In the novel the author Mitch album is recapping on the last few weeks he spent with his dear friend and college professor Morrie Schwartz who...
Tuesday, August 20, 2013 at 3:10pm

Calculus
Rainflow is a new U- Shaped system of guttering. The cross section is a semi circle with a radius of x topped by an open rectangle of height h. The total distance ABC is 20cm For which values of x and h will rainflow carry the most water ?
Monday, August 19, 2013 at 4:47am

Physics
block a 10 kg is connected to block b 20 kg by a mass less string on a horizontal surface (coefficient of kinetic friction 0.1). block b is connected by another string to a hanging mass M through a mass less pulley. what is the minimun value of M that will make the system move?
Thursday, August 15, 2013 at 2:31am

When considering how profitably your company is operating, you examine: a) inventory turnover. b) sales and the return on your investment. c) depreciation and liquidity. d) tangible and intangible assets. e) the price of the Canadian dollar. I think the answer should be b = ...
Wednesday, August 14, 2013 at 9:01pm

Acc/230
Provide an example from the text or the Internet that demonstrates a situation in which a company’s net profits appeared good in the statements, but the gross or operating profits presented a different picture. Discuss how this might have occurred. Respond to the ...
Wednesday, August 14, 2013 at 7:20pm

physisc
why is nitrogen builds up into your system
Wednesday, August 14, 2013 at 6:48am

Three planets interact with one another through their mutual gravitational forces only; they are isolated in free space and do not interact with any other bodies. They orbit around an axis going through the center-of-mass of the system and perpendicular to the triangle formed ...
Monday, August 12, 2013 at 2:53pm

Math
Consider the weighted voting system [75: 31, 29, 23, 16, 8, 7]. Find each: a. The total number of players b. The total number of votes c. The weight of P3 d. The minimum percentage of the votes needed to pass a motion 9rounded to the next whole percent)
Friday, August 9, 2013 at 5:47pm

p chem
1/2 mole CCl4 @ 25 C was mixed with 1/2 mole CH2Cl2 @ 25C. The final T was 27 C. Calculate delta S mixing, delta S for CCl4 on heating, delta S for CH2Cl2 on heating, and delta S system. Assume 131.8 J/K for Cp for CCl4 and 100.0 J/K for Cp for CH2Cl2.
Thursday, August 8, 2013 at 6:12pm

Finance
What type of cost measurements best fit in healthcare and which do not? How do cost measurement techniques vary with regard to the operating budget, capital budget, and variance analysis?
Thursday, August 8, 2013 at 7:28am

Math
I would like to know if I got this problem correct. The perimeter of a rectangle is 42ft. the length is 7ft. longer than the width find the dimensions. Write a system linear equation an solve the resulting system let x be the length and y be the width. 2x+2y=42 y+x=21 y+(y+7)=...
Monday, August 5, 2013 at 9:38pm

Physiology
What are the different nuances of meaning associated with the expressions brain damage and central nervous system impairment?
Monday, August 5, 2013 at 9:30pm

Math
The perimeter of a rectangle is 42ft. The length is 7ft. 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.
Monday, August 5, 2013 at 8:26pm

Math
The perimeter of a rectangle is 36ft. the length is 10ft. longer than the width find the dimensions. Write a system linear equation an solve the resulting system let x be the length and y be the width.
Monday, August 5, 2013 at 6:42pm

math30
A security code used to consist of two odd digits, followed by four even digits. To allow more codes to be generated, a new system uses two even digits, followed by any three digits. If repeated digits are allowed, the increase in the number of possible codes is____ Answer: ...
Monday, August 5, 2013 at 2:00pm

Health Care
I cannot figure out the GAAP and the relevance of each GAAP that is being used to create the financial plan for Patton-Fuller Hospital. I did complete the following budget projections necessary to help answer the question Patton-Fuller Community Hospital Statement of Revenue ...
Saturday, August 3, 2013 at 9:12am

POL 201
The federal system can be thought of as a marble cake because
Friday, August 2, 2013 at 7:26pm

American history
The federal system can be thought of as a marble cake because
Friday, August 2, 2013 at 7:12pm

Physics
2 objects are connected on an inclined table. The objects have masses 8.0kg, 4.0kg, and 2.0kg, and the pulleys are frictionless. (The one that is 8.0 is suspended from a pulley off the left side of the table, 4.0kg is on the table, and 2.0kg is suspended from the pulley of the...
Friday, August 2, 2013 at 1:32pm

Chem
Ka1 = 4.5E-7 and Ka2 = 4.7E-11 for the carbonate system. Ksp is 5.0E-9 and Kw =1.0E-14. A town’s groundwater has [Ca2+] = 37 mg/L, alkalinity of 1.36E-3eq/L and pH of 8. This is to be mixed with surface water with [Ca2+] = 4mg/L, alkalinity of 8.0E-4 eq/L and pH of 9.5. ...
Friday, August 2, 2013 at 8:14am

Life orientation
What are causes of social issue.what are five factors of social issue.the impact of the contemporary of social issue. How the contemporary social issue impact negative on local and global communities list five.give a detail description of your plan and activities.when,where ...
Thursday, August 1, 2013 at 1:34pm

Writing
Please grade this and make corrections. ACT writing prompt: The Children's Internet Protection ACT (CIPA) requires all school libraries receiving certain federal funds to install and use blocking software to prevent students from viewing material considered "harmful ...
Wednesday, July 31, 2013 at 11:31pm

Chem
Ka1 = 4.5E-7 and Ka2 = 4.7E-11 for the carbonate system. Ksp is 5.0E-9 and Kw =1.0E-14. A town’s groundwater has [Ca2+] = 37 mg/L, alkalinity of 1.36E-3eq/L and pH of 8. This is to be mixed with surface water with [Ca2+] = 4mg/L, alkalinity of 8.0E-4 eq/L and pH of 9.5. ...
Wednesday, July 31, 2013 at 9:20pm

social studies
Is this answer right? my answer has ( ) around it The first fully developed American factory system emerged in the _______ industry. A. iron B. distilling C. sugarcane (D). textile
Tuesday, July 30, 2013 at 6:23pm

Physics
Use the PV diagram of a system. The units for P and V are atmospheric pressure atm and liter L. Process A to B and B to C are straight lines on it. How much is the work done by the system from A to C in J? Given these coordinates:(volume on the x, pressure on the y) A: (1 Li, ...
Tuesday, July 30, 2013 at 3:52pm

statistics
In a poll of 700 selected people in the USA who are 50 years or older, 20% said they would prefer a complete overhauling of the social security system. Estimate the population proportion of the USA of 50 years or older who would prefer a complete overhauling of the social ...
Tuesday, July 30, 2013 at 1:52pm

Discrete Mathematics
15. The augmented matrix A represents a system of three real-valued equations in three unknowns. Which of the answer choices would result from the usual first step of applying Gauss-Jordan elimination? A = (1 4 2 3) A = (2 9 13 18) A = (3 10 8 15)
Tuesday, July 30, 2013 at 1:18pm

Discrete Mathematics
The augmented matrix A represents a system of three real-valued equations in three unknowns. Which of the answer choices would result from the usual first step of applying Gauss-Jordan elimination?
Tuesday, July 30, 2013 at 4:57am

POL 201 American National Government
1) Presidents often seek to control the federal bureaucracy by doing all of the following except: a) filling the top echelon of executive organizations with political appointees who share their values. b) assigning members of the White House staff responsibility for monitoring...
Sunday, July 28, 2013 at 8:42pm

Accounting
The Clydesdale Company has sales of $4,500,000. It also has invested assets of$2,000,000 and operating expenses of \$3,600,000. The company has established a minimum rate of return of 7%. What is Clydesdale Company's profit margin? A.20% B.80% C.44.4% D.18%
Sunday, July 28, 2013 at 6:48pm

chemistry
The kinetic energy of a rolling billiard ball is given by KE=1/2mv2. Suppose a 0.17-kg billiard ball is rolling down a pool table with an initial speed of 4.7m/s . As it travels, it loses some of its energy as heat. The ball slows down to 3.7m/s and then collides straight-on ...
Saturday, July 27, 2013 at 12:33am

General Physics 1
A simple Atwood's machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 4.8 m/s at the end of 5.5 s. At that time, the kinetic energy of the system is 33 J and each mass has moved a distance of 13.2 m. 1. Find the value...
Friday, July 26, 2013 at 1:03pm

Psychology
One of the interesting aspects of family therapy is the "system" or roles which are assumed by family members. A good example would be _______________.  A. the​ father sometimes comes home late  B. the mother has difficulty making ...
Friday, July 26, 2013 at 12:22pm

psychology
Nelda is fearful of public places and has managed to stay "at home" for the last three years. She and her therapist have developed a strategy. During the first week, she will go to the front door and open it and look outside. If she can remain calm, the goal for the ...
Thursday, July 25, 2013 at 6:44pm

Math
Use the elimination method to solve the system of equations 5u+2v=15 3u+v=-7
Thursday, July 25, 2013 at 1:37pm

College Algebra
Solve system by method of elimination 0.07x + 0.02y =-0.07 0.08x - 0.06y = 0.07
Wednesday, July 24, 2013 at 11:18pm

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