Tuesday

July 22, 2014

July 22, 2014

Number of results: 68,160

**Science**

Different species of plants have structure/characteristics that allow them to adapt to their environment. What is this called
*January 11, 2011 by Tina*

**physics**

I am to measure the deflection by contructing a post and lintel system using the dowels I have (with different diameters, which will be my variables). This is a system to measure the deflection under a load. I want to create a chart to present my results, but I don't know what...
*December 2, 2006 by Jan*

**English**

Could you please recommend me a site where students can learn how to write cohesive and grammatically correct paragraphs? They are asked to write ten-line paragraphs on each of the literary and historical topic dealt with in their book but their grammar is very poor and don't ...
*October 16, 2011 by Henry*

**Algebra - solving linear equations w/ substitution**

The question in the book reads: "Suppose you try to solve a system of linear equations using substitution and get this result. How many solutions does each system have?" 1)x=-2 2)y=12 3)6=x 4)-8=-8 5)7=y 6)5=3 I understand #3 and #6, but I do not understand how to know how ...
*March 19, 2007 by Samantha*

**HISTORY!! help plz and thannks**

what are protective tariffs and the factory system? I want to know what a factory system si because the question is Why was the factory system beneficial to Canadians. help plz and thank u!
*March 8, 2009 by beecca*

**Psy.**

From the standpoint of social and cultural psychologists: A. few societies have changed from warlike to peaceful and vice versa. B. outbreaks of horrifying violence are usually the result of inner aggressive drives and the sheer evilness of the enemy. C. all human beings and ...
*December 24, 2013 by Anonymous*

**physics**

A massless rod of length 1.00 m has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other. The system rotates about a fixed axis perpendicular to the rod that passes through the rod 30.0 cm from the end with the 3.00-kg mass attached. The kinetic energy ...
*June 24, 2012 by tuni*

**MATH HELP**

The south edmonton pet shop has several parrots and dogs for sale. There are a total of 24 heads and 82 legs in the display cages. A) Write a system of linear equations to represent the number of parrots, p, and the number of dogs, d, for sale. p+d = 24 2p+4d = 82 B) Determine...
*January 10, 2011 by Anonymous*

**morpheme vs phoneme**

A prefix such as in the word unhappy, can be called a? My answer was a morpheme but can't it also be called a phoneme?
*June 9, 2013 by Jim Collum*

**Intermediate Algebra**

Solve the system of equations by graphing. Then classify the system. f(x)=x+1 g(x)=-8x+10 What is the solution of the system? a)The solution is___? b)There are infinitely many solutions c)There is no solution Is the system consistent or inconsistent? a)inconsistent b)...
*February 16, 2014 by Student5*

**Intermediate Algebra**

Solve the system of equations by graphing. Then classify the system. y=-x-13 5x-4y=-20 What is the solution of the system? a)The solution is___? b)There are infinitely many solutions c)There is no solution Is the system consistent or inconsistent? a)inconsistent b)consistent ...
*February 16, 2014 by Student5*

**math**

Solve the system of equations by graphing. Then classify the system? y= -x -11 4x -3y=-2 What is the solution of the system? (Type an ordered pair. Type N if there is no solution. Type R if the solution is all real numbers.)
*June 16, 2009 by micheal*

**math**

Solve the system of equations by graphing. Then Classify the system? 4u+v=1 4u=v+7 What is the solution of the system? (Type an ordered pair. Type N if there is no solution. Type R if the solution is all real numbers.)
*June 16, 2009 by micheal*

**math **

Create a linear system to model this situation. Then use substitution to solve the linear system to solve the problem. - Bobbie has been saving dimes & quarters to buy a new toy. She has a total of 28 dimes and quarters, with a value of $4.30. How many of each type of coin ...
*June 11, 2013 by trixie*

**Algebra 2 Helpp :(**

QUESTIONS (vvv) (1) Solve the system by subsitution 2x + y = -11 3 - 4y = 11 (2) Solve the system by elimination 2x + 6 = -12 5x - 5y = 10 (3) What is the solution of the following system? -3x - 2y = -12 9x + 6y = -9 (4) What is the solution of the following system? x - y = 11...
*October 23, 2012 by Robert*

**Science**

What is a cell wall or cell membrane?
*February 5, 2009 by Angelica*

**Calculus**

Evaluate the integral by changing to spherical coordinates. The outer boundaries are from 0 to 1. The middle one goes from -sqrt(1-x^2) to sqrt(1-x^2) The inner one goes from -sqrt(1-x^2-z^) to sqrt(1-x^2-z^) for 1/sqrt(x^2+y^2+z^2) dydzdx I don't understand how to get the ...
*December 16, 2012 by Mackenzie*

**Calculus**

Evaluate the integral by changing to spherical coordinates. The outer boundaries are from 0 to 1. The middle one goes from -sqrt(1-x^2) to sqrt(1-x^2) The inner one goes from -sqrt(1-x^2-z^) to sqrt(1-x^2-z^) for 1/sqrt(x^2+y^2+z^2) dydzdx I don't understand how to get the ...
*December 16, 2012 by Mackenzie*

**Calculus**

Evaluate the integral by changing to spherical coordinates. The outer boundaries are from 0 to 1. The middle one goes from -sqrt(1-x^2) to sqrt(1-x^2) The inner one goes from -sqrt(1-x^2-z^) to sqrt(1-x^2-z^) for 1/sqrt(x^2+y^2+z^2) dydzdx I don't understand how to get the ...
*December 16, 2012 by Mackenzie*

**Calculus**

Evaluate the integral by changing to spherical coordinates. The outer boundaries are from 0 to 1. The middle one goes from -sqrt(1-x^2) to sqrt(1-x^2) The inner one goes from -sqrt(1-x^2-z^) to sqrt(1-x^2-z^) for 1/sqrt(x^2+y^2+z^2) dydzdx I don't understand how to get the ...
*December 17, 2012 by Mackenzie*

**Physics**

A long coaxial cable consists of two concentric conductors. The inner conductor is a cylinder with radius R_1, and it carries a current I_0 uniformly distributed over its cross section. The outer conductor is a cylindrical shell with inner radius R_2 and outer radius R_3. It ...
*April 5, 2013 by Phy*

**7th grade science**

1. How many chromosomes do human sex cells have? (1 point) 22 43 46 23 2. The actual genetic makeup of an organism for a particular trait is called the ______. The physical characteristic that trait gives the organisms is called the ______. (1 point) genotype; phenotype genome...
*January 16, 2013 by Delilah*

**SCI 241**

i need to know the path food follows through the digestive system and how digetion occurs in eachof the following parts of the digestive system.. I need to onclude descriptions of other organs or componentsnof the digestive system including: large intestine Mouth,small ...
*April 4, 2008 by Dawn*

**Nutrition**

in 200 to 300 words, the path food follows through the digestive system and how digestion occurs in each of the following parts of the digestive system. Be sure to include descriptions of other organs or components of the digestive system, including: o Large intestine o Mouth ...
*September 25, 2008 by Bev*

**Algebra Multiple choice revised!! HELP**

I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in ...
*March 28, 2013 by Kris*

**physics**

Two spherical shells have a common center. A -2.00 × 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.50 × 10-6 C charge is spread uniformly over the outer shell, which has a radius of 0.15 m.
*February 25, 2013 by sam*

**operating system**

a. What is the name and version number of the operating system? Windows XP Professional Service Pack 2 b. What kind of user-interface is used? window XP theme c. Can you see an indication that this operating system provides a job management function? If so, provide a ...
*October 19, 2008 by denise*

**Theory of Vibration**

shows a single degree of freedom spring-mass system having a forced vibration and damper, starting from the second Newton’s law of motion, show that the extension of the system is given by X=Epg wnt sin(wd t + y). Also explain the conditions of the system when the damping ...
*August 30, 2008 by Apanpa2*

**Algebra question**

When you solve a system of equations by the substitution method, how do you determine whether the system of equations is dependent? If your variables disappear as you simplify, and you end up with 0=0 (or k=k) the system is dependent. (really just the same line, one equation ...
*August 14, 2007 by Nik*

**buss/stats**

what is it called when all the items in the population have the same chance of being selected for the sample?
*October 8, 2011 by Tim*

**Chemistry**

What is true about a system in chemical equilibrium? No reactants remain in the system. There are no products in the system. The amount of product equals the amount of reactant. The amount of reactant changes, but over time remains about the same.
*April 23, 2012 by Viola*

**english/11th grade**

He responds whenever he is called. In this sentence the Adverb clause is: whenever he is called and the Subordinating conjunction is: whenever what is the word modified? how can i figure out which word it is?
*November 17, 2011 by Amy*

**7th grade science ASAP**

1. How many chromosomes do human sex cells have? (1 point) 22 43 46 23 2. The actual genetic makeup of an organism for a particular trait is called the ______. The physical characteristic that trait gives the organisms is called the ______. (1 point) genotype; phenotype genome...
*January 16, 2013 by Delilah*

**PHYSICS HELP**

If the external world does work on the system, the quantity of work is negative. Is negative right or is it positive? If you are writing the system equations, the work done by external forces will be a + number, indicating an increase of energy to the system.
*January 10, 2007 by Pat*

**operations management/supply chain**

Suppose you are managing a service system in which customers arrive at a rate of two per minute according to a Poisson process. You are investing in a single machine that provides the service and does so with exponential service time. Your objective is that the average time a ...
*December 19, 2006 by joe*

**Earth Science**

need help plzz .... I did some but I would like someone to double check them too 1. How did planetesmals form planets? (1 point) A. They broke apart into smaller chunks. B. They collided and stuck together. C. They cooled and pulled ice together. D. They began to rotate. 2. ...
*November 8, 2013 by Mara*

**math**

Solve the system by graphing. Then classify the system.? 6x-y=50 6x+7y=-14 What is the solution of the system? (type an ordered pair. Type N if there is no solution. Type R if the solution is all real numbers)
*June 16, 2009 by micheal*

**Pre-Calculus**

Write the standard form of the equation of the circle that passes through the points at (4,5), (-2,3), (-4,-3). I have gotten to the point of the system of equations but do not know know how to proceed. I have: 4D + 5E + F + 41 =0 -2D + 3E + F + 13 =0 -4D - 3E + F + 25 =0 Any ...
*September 1, 2008 by Lucy*

**Social Studies**

1. The president of the United States is elected by the electoral college. What type of system is this? 2. In ancient Athens (Greece) tribes and generals took turns at power. This is an example of what type of political system? 3.What type of political system is headed by ...
*February 26, 2009 by Laura*

**Physics helppp**

Which of the following statements are TRUE? Select all that apply. An isolated system is one in which objects inside the system are not influenced by any forces from outside the system. The mechanical energy of a pendulum bob is maximized at the bottom of its arc. Mechanical ...
*October 23, 2012 by member of physics*

**management information system**

hi theres a bunch of wrong answers in my quiz earlier and i want to know the correct answer, so please help, and this not not my homework..thanks 1.amount of time and attention required is a typical___measure of product performance a. cost b.quality(my answer wrong) c. ...
*August 1, 2011 by digital city*

**Biology**

The cell membrane is a highly selective barrier that controls the movement of substances in and out of the cell. In fact, polar molecules are unable to go across unless
*January 4, 2014 by La'Shay*

**persuasive letter (IGNORE PREVIOUS-This 1 is FINAL**

This one is updated one. I am sorry for trouble. I have to write to Expedia for their mistake on reserving my car rental at LA. I want a free car rental voucher. -------------------------------- Tajinder Singh 392 Hinter Wayne Drive, Nashville, TN 52312 July 09, 2007 Mr. Bill ...
*July 16, 2007 by singh*

**Physics - Conservation of Angular Momentum**

a man is standing on the center of a platform that is rotating without friction. his arms are outstretched holding a brick in each hand. the rotational inertia of the system consists of the man, bricks, and platform about the central vertical axis of the platform. by moving ...
*April 8, 2007 by COFFEE*

**Algebra 1**

How many solutions does the system of equations have? 3x+12y=20 Y=-1/4x+5/3 (1 point) One*** Two Infinitely many None Jack has $55, and Emily has $28. Jack is saving $4 per day, and Emily is saving $13 per day. After how many days will Jack and Emily have the same amount of ...
*January 27, 2014 by Gabby*

**Geometry :(**

this maths problem is wrecking my head.... 1.find the points of interesction of the line L and the circle k in the following L:x-2y=0 K:X Squared + y squared=25 I would solve both equations for y, and then you'll have a system with two equations and two variables: y = x/2 y...
*September 9, 2006 by emer*

**BIOO pleasee help u guys are angellss!!!**

why is there no production of ATP when detergent is treated in a test tube with mitochondria? in Aerobic and anaerobic respiration what is the final metabolic breakdown of molecule? 1 pyruvic acid 2 acetyl coenzyme A 3 citric acid 4 reduced coenzyme FADH2 5) ATP PLEASSEEEEEEEE...
*March 17, 2011 by sabrina*

**Physics**

How fast does a rocket need to be going to break free of Earth's gravity? How fast would it have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and that the rocket is ...
*September 29, 2011 by Kaitlyn*

**Physics**

How fast does a rocket need to be going to break free of Earth's gravity? How fast would it have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and that the rocket is ...
*September 30, 2011 by Kaitlyn*

**chemistry**

I have two questions regarding enthalpy of reactions: 1.) Care must be taken when dissolving NaOH pellets in water because the temp. can rise dramatically. Taking NaOH as system, what can be deduced about the signs of the entropy of system and surroundings? Am I correct in ...
*May 2, 2014 by Rebecca*

**medical billing**

for medicaid cases there is no assignment of benefits unless the patient has other insurance in addition to medical. true or false 2. a two or three form that incorporates a bill, insurance form,and routing document used both computer and paper based system is called an ...
*April 23, 2011 by christina*

**Chem**

Part A : This is the first law of thermodynamics question. case 1 - the system expands and the surroundings get hotter case 2 - the system expands and the surroundgins get colder case 3 - the system contracts and the surroundings get hotter case 4 - the system contracts and ...
*November 4, 2010 by AY*

**Chemistry(Please help, thank you!)**

A study of the system, H2(g) + I2(g) == 2 HI(g), was carried out. Kc = 54.9 at 699.0 K (Kelvin) for this reaction. A system was charged with 2.50 moles of HI in a 5.00 liter vessel as the only component initially. The system was brought up to 699.0 K and allowed to reach ...
*March 14, 2012 by Hannah*

**Algerbra II**

Classify the system , and determine the number of solutions. The system is consistent and dependent and has infinitely many solutions. The system is inconsistent and independent and has no solutions. The system is inconsistent and dependent and has no solutions. The system is...
*July 24, 2008 by Kim*

**Algebra Concept check**

1. Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have? 2. Tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even integer. What are the ...
*May 12, 2010 by Anonymous*

**Algebra**

Is there a shortcut to foiling an equation? I always thought that FOIL WAS a shortcut. I've never heard of "foil" before :) FOIL (First Inner Outer Last) Does this just specify an order in which you are supposed to multiply? I think the order is unintended, and although useful...
*December 21, 2006 by jennifer*

**SCI 241**

Describe, in 200 to 300 words, the path food follows through the digestive system and how digestion occurs in each of the following parts of the digestive system. Be sure to include descriptions of other organs or components of the digestive system, including: Large intestine,...
*February 14, 2009 by PARADISE*

**physics**

pipe to know how the inner diameter changes. Rank in order from largest to smallest the gas speeds va, vb, and vc at points a, b, and c. Explain in complete sentences.
*June 21, 2012 by steph*

**math**

Derivatives are usually not taught in 5th grade. That is what your question is about: Rates of change. Complete the following statements with the correct words Note: Correct spelling is important. If s(t) is a distance (or height or position) function, then s'(t) would be ...
*February 19, 2007 by drwls*

**Chemistry**

Are my answers correct? Identify each energy exchange as primarily heat or work and determine weather the sign of ?E is positive or negative for the system. A. A rolling billiard ball collides with another billiard ball. The first ball (system) stops rolling after the ...
*April 9, 2014 by Justin*

**MATH**

system of linear equation The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the largest is 18 what are the 3 numbers? show work? A. how many unknowns you have? -how many equations need to be solve for that many unknown? B. what ...
*November 1, 2011 by YANETH*

**Physics**

Two air-track carts move toward one another on an air track. Cart 1 has a mass of 0.336 kg and a speed of 1.16 m/s. Cart 2 has a mass of 0.634 kg. What speed must cart 2 have if the total momentum of the system is is to be zero? What is the system's kinetic energy?
*November 5, 2012 by Rocky*

**IT**

Design a system which will take in the results for the five criterion levels of achievement for each phase of the design cycle: Investigate, Design, Plan, Create and evaluate. The system will then calculate the average and round up to the nearest decimal place. It will then ...
*April 21, 2010 by chris*

**Calculus Help**

I have looked high and low to figure out how to start this question. I have no clue! Any help would be great!! Rainbows are formed when light strikes raindrops and is reflected and refracted. The Law of Refraction states that (sin alpha)/(sin beta) = k, where k equals 1.33 (...
*June 30, 2013 by Ryan*

**Goverment**

Wgat factors have combined to make today political campaigns as person and individual as they have become? freedom of speech? different perspectives of an issue? Your question is vague. Exactly what is meant by "today's [<~~note the possessive form] political campaigns"? ...
*March 14, 2007 by jenny*

**College algebra**

system of linear equation The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the largest is 18 what are the 3 numbers? show work? A. how many unknowns you have? -how many equations need to be solve for that many unknown? B. what ...
*November 1, 2011 by YANETH*

**Geography (Ms, Sue)**

How might a road system have helped to hold the Inca empire together? A: As the Inca empire was mainly located in the Andes mountains, a road system might have helped to hold the Inca empire together as it crossed mountains and deserts to link the empire.
*September 25, 2013 by Anonymous*

**microeconomics**

i have to write a paper for a final and need some help with ideas for what I am writing about.. here is the question.... the competitive market system provides highly efficient mechanisms for the allocation of scarce resources to consumers. Using the guideposts to ecomonic ...
*May 18, 2008 by jamie*

**Computers**

I have to generate OOP code for a system that tracks my CDs and DVDs. I have gotten through the defining of class and subclass and don't know what to do next. Do I need to create the records and then sort?
*December 18, 2009 by Heidi*

**english**

where do the punctuaion marks go? have you seen Brian Forbes's painting called The Olympic Runner asked Rosita.
*February 5, 2010 by Anonymous*

**question**

whats that thing called that horses have on their face? it looks like a rope or string of some sort
*June 8, 2012 by Anonymous*

**Social Studies 8R - HELP!**

Why do you think some people called Vanderbilt Robber Baron? to be honest with you I HAVE NO IDEA??? please help me!!!!
*October 23, 2012 by Laruen*

**Anatomy**

Is osmotic pressure the hydrostatic pressure on the side of a semiperable membrane containing the hypertonic solution which opposes the movement of water particles and can therefore stop osmosis? T OR F
*September 12, 2007 by Amanda*

**science**

Improper functioning or regulation of which of the following might lead to poor regulation of membrane permeability? a. albumin b. fibrinogen c. platelets d. lymphocytes e. chloride ion levels
*September 30, 2009 by dee*

**Science**

Improper functioning or regulation of which of the following might lead to poor regulation of the membrane permeability? 1. albumin 2. fibrinogen 3. platelets 4. lymphocytes 5. chloride ion levels
*January 10, 2011 by Kim*

**science**

improper functining or regulation of which of the following might lead to poor regulation of membrane permeability? 1.albumin 2.fibrinogen 3.platelets 4.lymphocytes 5.chloride ion levels
*April 26, 2011 by Anonymous*

**biology**

With regard to bringing solutes into the cell across the plasma membrane, discuss the advantages and disadvantages of diffusion, facilitated diffusion,active transport,and endocytosis.
*September 22, 2011 by Anonymous*

**physics**

the system is in static equilibrium. The coefficient of static friction between the block and the table's surface is = 1/3. The mass of the block that is hanging down is n1 Kg. The tangent of the angle shown in the figure is tan theta = n2. What is the minimum value of mass, ...
*January 14, 2012 by frank*

**Biology**

1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but have specialized cells c. possess cells that are capable of recognizing other sponge cells and have a simple digestive system d. both a and b I'm so confused on this question, ...
*March 8, 2010 by mysterychicken*

**Science**

What are the Lewis structures for hydrogen cyanide and cyanogen?? I think it's H:C:::N :N:::C:C:::N: with the inner upper electrons being shared. For the elements in these compounds, which is the noble gas whose electron configuration is attained in the Lewis structures? (CN)2...
*March 11, 2007 by Helen*

**problem!**

Atherosclerosis is a condition also called "hardening of the arteries", resulting in reduced elasticity of the arteries. Identify two circulatory problems that might arise from this effect on the vessels. I have no idea Atherosclerosis causes two main problems. First, the ...
*August 5, 2006 by robert*

**math (patterns)**

Heres the problem: Winchester's local toy store sells items according to its own pricing system. A doll costs $10, a toy train costs $20, a cradle costs $20, a jumping jack costs $30, and a Tickle Me Elmo costs $50. Using the same system, how much does a drum cost? I know the ...
*December 10, 2008 by Anonymous*

**cpcc**

In Figure P4.30, m1 = 10.0 kg and m2 = 4.5 kg. The coefficient of static friction between m1 and the horizontal surface is 0.60 while the coefficient of kinetic friction is 0.30. Figure P4.30 (a) If the system is released from rest, what will its acceleration be? 1 m/s2 (b) If...
*September 27, 2010 by thomas*

**Computer Science-Java**

Hi, I am writing an application class for a Lunar Calendar I created in a service class and I have to make sure it is able to detect that the year entered is not in the range of values(I have done this in the service class using a switch statement) and be able to detect if the...
*November 3, 2009 by Lisa*

**math**

How would you set up a system of linear equations to find out how many packages of 8 and 12 you would have to buy to have no left?
*January 11, 2011 by Chuck*

**chem**

the common metallic elements have been invetigated for their relative reactivities and have been arranged into what is called electromotive series. Explain the series in terms of choosing the suitable electrode in setting up an electrochemical series.
*January 24, 2012 by Yuni*

**Physics**

A object-spring system oscillates with an amplitude of 3.8 cm. If the spring constant is 210 N/m and object has a mass of 0.50 kg, find the maximum speed of the object. I already have the mechanical energy of the system. How do I find the maximum speed?
*April 9, 2008 by Chris Adison*

**college phyics**

A system consists of 3.2 mol of the monatomic gas neon (which may be treated as an ideal gas). Initially the system has a temperature of 290 K and a volume of 1.2 m3. Heat is added to this system at constant pressure until the volume triples, then more heat is added at ...
*June 29, 2011 by olivia ware*

**Algebra II**

1. solve this system using matrices: 3.7x-2.3+4.2z=8 2.6+4.6y-3.9z=10 8x+2z=20 2. Write this system as a matrix equation: -2x+y=8 7x-3y=10
*October 23, 2007 by JaneLee*

**algebra**

What is the solution of the system? Solve the system of equations using the substitution method. x-y=-1 5x+4y=-23
*October 20, 2008 by danielle*

**science**

Where can I find some information about nourvis system and endocrine system?
*December 27, 2010 by jhon*

**physics**

A system is provided 50 J of heat and work done on the system is 10 J. What is the change in internal energy
*July 5, 2011 by angel*

**Math-System of Equations**

1. Solve for x, y, z in the following system: 2x-3y-2=z y-x+z=1 -y-2z=7 The answers are: x=-7 y=-5 and z=-1 however I don't know how to go about this.
*November 3, 2011 by Lilly*

**Civics **

What countries (if there is any) avoid the US's manufacturing because they do not want to switch Imperial system to the metric system?
*October 5, 2013 by Unknown *

**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).
*January 4, 2014 by McKenna Louise*

**Algebra ll**

Consider the system below. {4x-2y=-12} {3x-y=-3} Solve the system by using a matrix equation.
*June 13, 2014 by Me and I*

**math**

what is the meaningof hindu arabics system and roman numaration system
*June 26, 2010 by jenine*

**algebra**

answer to Solve the system of equations by graphing then classify the system 6x-y=39 6x+7y=15
*February 6, 2011 by Samantha*

**Algebra**

When solving a system of equations by the addition method, how do you know when the system has no solution?
*March 14, 2011 by Logan*

**Algebra**

When solving a system of equations by the addition method, how do you know when the system has no solution?
*March 15, 2011 by Amy L*

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