Wednesday

April 16, 2014

April 16, 2014

Number of results: 109,240

**Chemistry**

When solving Hess law problems,do we need to use all the equations given to get the Htotal or just choose the relevant equations that are related to the final equation required? Let's say there r 5 equations given,but the relevant equations are 3 only ,so we can neglect the ...
*Friday, March 23, 2012 at 2:22am by Meenaakshi*

**Chemistry**

What are the equations for these two equations? Not net ionic equations. a) Nickel (II) chloride and iron b) Sodium and water
*Saturday, October 12, 2013 at 11:04pm by Matt*

**Chemistry**

No, like in balancing equations when they give me word equations,I would write the equations out correctly but I don't know when to add charges to them.
*Wednesday, February 4, 2009 at 7:31pm by Chopsticks*

**chemistry**

I have been debating for two hours on how to answer. The question is silly. There will be no equations except for testing standards, then those equations will only involve the dimensions of the material to be tested. Rubber is not a material which lends itself to exactness, as...
*Thursday, October 16, 2008 at 7:19am by bobpursley*

**Math**

Do you mean dependent of independent equations? It depends upon how many equations and variables there are. If any of the equations are dependent on (derivable from) others, and there are at least as many variables as equations, then the system of equations in underdetermined ...
*Tuesday, June 3, 2008 at 4:00pm by drwls*

**Chemistry**

COMPLETION AND BALANCING OF EQUATIONS Complete and balance the following equations: 1. ZnCl2 + AgNO3
*Wednesday, March 7, 2007 at 1:03pm by Muhammad Ahsan KHan*

**Chemistry**

COMPLETION AND BALANCING OF EQUATIONS Complete and balance the following equations: 1. ZnCl2 + AgNO3
*Wednesday, March 7, 2007 at 1:07pm by Muhammad Ahsan KHan*

**Chemistry**

the question says 'for the following equations????...where are the equations??..i can't see any equations.. anyway..the first one is calcium carbonate???? so the ionic equation for its formation is; Ca2+ + CO32- --> CaCO3 whereas Fe(SCN)2+ is; Fe3+ + SCN- --> Fe(SCN)2+
*Tuesday, June 11, 2013 at 12:03pm by bonjo*

**Math 116**

Consider the following system of equations. y=2x-2 y-2x=9 What can you conclude about the system of equations? a. The system of equations is inconsistent. b. The system of equations is dependent. c. The system of equations is independent. d. none of these.
*Friday, June 21, 2013 at 12:19am by Queta*

**Chemistry**

Write balanced equations for the formation of K4[Ni(NCS)6] starting from an anhydrous sample of nickel(II) nitrate. (3 equations necessary)
*Wednesday, March 11, 2009 at 10:22am by Alice*

**Chemistry**

Does anyone know of any sites that make learning to balance equations easy? I just transferred to a new school and the chemistry class is way ahead of my old class. I really don't get it. Please help since there is a test tomorrow and it's on stuff that you have to be able to ...
*Tuesday, February 12, 2008 at 8:51pm by Jessica*

**Math 1**

Consider the following system of equations. y = 4x - 4 y - 4x = 3 What can you conclude about the system of equations? A) The system of equations is inconsistent. B) The system of equations is dependent. C) The system of equations is independent. D) none of these
*Sunday, October 20, 2013 at 9:31pm by sam*

**Chemistry**

I understand how to balance equations when the full equations are given to me but I don't understand how to write a single replacement reaction. Help Me??
*Monday, January 24, 2011 at 8:30pm by Jessica*

**chemistry**

How to balance a chemical equations quickly? please tell me a shortcut to balance any type of equations.
*Sunday, September 23, 2012 at 7:42am by J.Nandhini*

**Chemistry**

Redox equations have a procedure to follow. Non-redox equations are done by trial and error.
*Thursday, October 11, 2012 at 11:55pm by DrBob222*

**algebra**

That's one of your equations, but a system of equations is two equations. Find the other using the ticket pricing.
*Sunday, November 25, 2007 at 8:20pm by Michael*

**chemistry**

I think you need to post a suggestion for the equations for us to work from. You could start by writing word equations for which you have the basis in your 'My observations' section. Remember that the acid is a catalyst here.
*Wednesday, April 23, 2008 at 11:30pm by Dr Russ*

**Inorganic chemistry**

1.The two equations you have written does not add to the final equation. Something is amiss. 2. I haven't seen any rate equations that look like equilibrium constants. Check your post please.
*Tuesday, May 12, 2009 at 6:11pm by DrBob222*

**Chemistry**

Write the word equations below as chemical equations and balance. copper + sulfuric acid yield copper(II) sulfate+ water + sulfur dioxide
*Wednesday, December 1, 2010 at 8:27pm by Pedro*

**Chemistry**

There are two kinds of equations in chemistry that you must learn to balance. One is the oxidation/reduction type. Those equations aren't found at the beginning of a course. The other kind of equation is done by trial and error and SOME redox equations can be done by trial and...
*Monday, December 24, 2007 at 6:58am by DrBob222*

**Math**

The goal here is to 1st form 2 equations containing 2 variables, then use those to eliminate another variable. The first 2 equations can be formed from any 2 of the given equations.
*Monday, January 11, 2010 at 7:51pm by Marth*

**chemistry**

how do you do ionic equations Do you mean net ionic equations?
*Monday, October 23, 2006 at 9:04pm by sarah*

**Chemistry**

Balancing chemistry equations and need help! Thank You!? Help balancing any of the following equations: Cl2+Na Br----> NaCl2 + Br Na+LiOH---->
*Thursday, October 13, 2011 at 7:24pm by Ginger*

**Chemistry**

sorry to bother you again, but I understand how to add the values, but how do you add the equations, i understand everything else except for adding the equations, as i am not sure how to do that. Thanks.
*Sunday, July 19, 2009 at 4:26pm by Cori*

**chemistry**

complete and balance the following molecular equations and then write net ionic equations for each reaction. BaCl2(aq) + K2SO4(aq) KNO3(aq) + HCl(aq)
*Tuesday, June 21, 2011 at 8:20am by chelsea*

**Algebra**

Translate to a system of equations. DO NOT SOLVE. A nontoxic scouring powder is made up of 4 parts baking soda and 1 part vinegar. How much of each ingredient is needed for a 16-oz mixture? What are the two equations? For most problems, I can easily find the info for the two ...
*Thursday, February 19, 2009 at 4:05pm by Tessa*

**math**

Consider the following system of equations. Y = 3x – 7 Y - 3x = 5 a) The system of equations is inconsistent. b) The system of equations is dependent. c) The system of equations is independent. d) none of these
*Sunday, January 27, 2013 at 4:40pm by monet*

**New Age Math**

The two equations, based on your fill-in-the-blanks above are, 25x + 35y + 54z = 8277 x + y + z = 236 Are you sure this is the exact problem as written? Are far as I know, this problem cannot be solved to get an exact number for x, y and z . To solve simultaneous equations in ...
*Sunday, February 6, 2011 at 10:32am by helper*

**math**

Explain why the simultaneous equations y=1/2x+2 and 2y-x:4 have an infinite number of solutions. What is diffrent about these equations compared with the equations in the first question ( the equations were y=2x+3 and 5y-10x=5)? What is similar? ( include work to prove why and...
*Thursday, February 24, 2011 at 4:19am by CJ*

**math**

solve the simultaneous equations to find the coordinates of the point of intersection for the pair of lines of the simultaneous equations. Then check the answer by graphing the equations 3x-y=-4 2x-y=0
*Saturday, October 16, 2010 at 9:19pm by Lauren*

**Expresion and Equations?**

Equations always have an equal sign. That is why they are called equations. They both can have letters (which stand for unknowns), numbers and signs indicating mathematical processes.
*Thursday, September 10, 2009 at 8:30pm by PsyDAG*

**chemistry**

AlCl3(aq) + Na2CO3(aq) ==> Al2(CO3)3 + NaCl You balance it. The purpose behind this question and the one you posted just before is to give you practice in going from word equations to symbol equations. You really need to be able to interchange them and not ask for help.
*Monday, March 29, 2010 at 8:56pm by DrBob222*

**chemistry**

you can also order the UPCO's Physical Setting CHEMISTRY... it has many helpful equations and it will make it easier to study and understand evrything... plus the book is cheap too.
*Monday, March 29, 2010 at 4:38pm by chemistry challenged*

**algebra**

solve the system of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent. x+y=14 x-y=2 What is the solution of the system of equations?
*Sunday, March 23, 2008 at 4:00pm by anaya*

**CHemistry **

Redox equations are often long and difficult to balance by inspection. Luckily, electron transfers and oxidation numbers provide hints for balancing such equations. Balance the following equation: K2CrO4 + Na2SO3 + HCl ---> KCl + Na2SO4 + CrCl3 + H20
*Tuesday, April 13, 2010 at 6:54pm by Katelynn*

**Chemistry, stochiometry2**

Balance the equations: Oxidise Sulfite: _ SO3{2-} + _ H2O = _ SO4{2-} + _ H{+} + _ e{-} Reduce Permanganate in acid: _ KMnO4 + _ H{+} + _ e{-} = _ K{+} + _ Mn{2+} + _ H2O Combine the half equations: _ KMnO4 + _ H2SO3 = _ K2SO4 + _ MnSO4 + _ H2SO4 + _ H2O
*Thursday, September 5, 2013 at 3:44am by Graham*

**Algebra 2**

1.) Write a system of equations that has NO solution. 2.) If you wanted to eliminate the y variables in the system of equations below, what would you multiply the first and second equations by?( Do not solve the equation) 2x-3y=8 7x-4y=11
*Wednesday, October 3, 2007 at 11:30am by Audrey*

**Algebra 2**

1.) Write a system of equations that has NO solution. 2.) If you wanted to eliminate the y variables in the system of equations below, what would you multiply the first and second equations by?( Do not solve the equation) 2x-3y=8 7x-4y=11
*Thursday, October 4, 2007 at 9:25am by Audrey*

**Algebra 2**

1.) Write a system of equations that has NO solution. 2.) If you wanted to eliminate the y variables in the system of equations below, what would you multiply the first and second equations by?( Do not solve the equation) 2x-3y=8 7x-4y=11
*Friday, October 5, 2007 at 10:46am by Audrey*

**Chemistry**

Write formula equations and net ionic equations for the hydrolysis of the following salts in water. a. sodium carbonate b. ammonium bromide I don't know what the products should be. a. Na2CO3+H2O--> ? b. NH4Br+H2O--> ? Please help me with this. I really need this. Thanks...
*Friday, April 24, 2009 at 10:29pm by anonymous*

**Math**

Stupid question time. I need to figure out how to rearrange equations to solve for x in my chemistry homework, which involves putting equations in quadratic form first. But I can't for the life of me remember how to "rearrange" them correctly. So what in the step by step way ...
*Monday, March 4, 2013 at 6:06am by Marcus *

**chemistry**

Metals + cold water. Li, Na, K, Ca. Notes on reactions, equations or space? <<<< dont no what space or equations means. can someone help? Also, say order of reactivity.
*Saturday, March 14, 2009 at 9:01am by Nabiha*

**Algebra**

Set up a system of equations to model this situation. (Note that a system of equations is TWO different equations.) Let x be the number of 37-cent stamps, and let y be the number of 20-cent stamps. What two equations did you get?
*Sunday, November 25, 2007 at 9:57pm by Michael*

**math**

How do you solve system of equations and tell if they're consistant and independant,consistant and dependent,and inconsistant? If you find no solutions then the system is inconsistent. Suppose you have N variables and M equations (N larger than or equal to M). Then, if you ...
*Friday, July 27, 2007 at 1:31pm by maddie*

**Chemistry**

1.Write the equations for AgCl, Ag(NH3)2, and NH3. For example, AgCl ==> Ag^+ + Cl^-, Ag^+ + 2NH3 ==> Ag(NH3)2^+ , and the NH3 + H2O ==> NH4^+ + OH^- 2. Write the Ksp for AgCl, Kb for NH3, and Kformation for Ag(NH3)2. 3. Solubility AgCl = (Cl^-) = (Ag^+) + [Ag(NH3)2...
*Sunday, April 5, 2009 at 6:51pm by DrBob222*

**Chemistry**

The correct answer is in the definition. Oxidation is the loss of electrons. For example, #1, the equation shows the loss of 1e to become the + ion. Therefore, Na is oxidized. #2 can't be the answer; that is an equation and equations (if redox equations) must have both.
*Thursday, November 3, 2011 at 5:16pm by DrBob222*

**Chemistry Check**

For the cell reactions to occur spontaneously, you have equations written correctly and oxidized/reduced equations also are correct. You have omitted a 5 Zn on the left of the second cell and 5Zn^+2 on the right. But you showed it multiplied by 5; I assume the omission was ...
*Wednesday, March 5, 2008 at 9:35pm by DrBob222*

**Algebra**

If we note that there is a +3y and a -3y in each of the equations, we simply add the two equations to get: 5x=-15, or x=-3 Substitute x=-3 in either one of the equations to get -3-3y=-9 -3y=-6 y=2
*Tuesday, May 24, 2011 at 9:07pm by MathMate*

**Math**

You seem to have more than two equations in two unknowns. The system of equations is overdetermined and has no solution. The first two equations are inconsistent. y -2x cannot be two different numbers, 6 and -10.
*Friday, March 7, 2008 at 9:47am by drwls*

**Chemistry-Balancing Equations**

I need help balancing equations. _C7H60+_02->_C02+_H20 I don't know how to balance it because when i do it just won't work out ill have too much on one side and it just wouldn't work. i know im missing a rule or something.
*Tuesday, January 12, 2010 at 12:29am by Jason*

**chemistry**

Write the rate equation for the relative disappearance of dinitrogen pentoxide. Write the rate equations for the relative appearance of nitrogen dioxide and oxygen gas. When writing the equations, remember to think about how many NO2 and O2 molecules are formed from 2 N2O5.
*Thursday, April 26, 2012 at 5:12pm by Anonymous*

**Chemistry**

Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2(g) delta H1? MgO(s) + 2HCl(aq) ->MgCl2(aq) + H2O(l) delta H2? To make these equations add up to the formation reaction of MgO, you will need to include the following: H2(g) + 1/2O2(l) delta H =-241.8 kJ Using Hess's Law and manipulating...
*Tuesday, February 14, 2012 at 10:16am by Hannah*

**Chemistry-Repost**

Write formula equations and net ionic equations for the hydrolysis of sodium carbonate in water. Responses Chemistry - DrBob222, Friday, April 24, 2009 at 10:50pm The hydrolysis of Na2CO3 ends us as the hydrolysis of the carbonate ion. The molecular formula is Na2CO3 + HOH==...
*Saturday, April 25, 2009 at 9:34pm by anonymous*

**CHEMISTRY HELP ASAP!**

is it possible for one molecule of salicylic acid to form an ester with a second molecule of the same substance? Use equations and/or structures. Please help, i am pretty sure it couldn't because of steric hindrance, however i am not sure how to explain this further and what ...
*Tuesday, September 11, 2012 at 6:23am by joel*

**Chemistry**

I am learning the different types of chemical reactions synthesis, decomposition, single displacement, and double displacement I am also learning skeletal equations word equations and balancing the equations I know how to balance equations if I am given the formula in symbols ...
*Monday, March 3, 2014 at 11:29am by Sam*

**math**

Look for the variable that has the "easiest" coefficients. take any two equations, by multiplying by suitable constants, get the coefficients of one variable to be the same, then subtract the two equations. take any other pair and by targeting the SAME VARIABLE, multiply by a ...
*Monday, October 20, 2008 at 9:58pm by Reiny*

**alegebra**

solve the system of equations by graphing. then classify the system as consistent or inconsistent and the equations as dependent or independent. 3u+v=13 3u=v+29 What is the solution of the system of equations?
*Sunday, March 23, 2008 at 5:27pm by anaya*

**Chemistry **

These are molecular equations. The phases look ok to me. The soluble and insoluble materials look ok. The equations are balanced. I don't see anything wrong with what you did. The only question I might have is that some acetates are weak electrolytes; however, lead acetate is ...
*Tuesday, October 5, 2010 at 11:35pm by DrBob222*

**chemistry (need asap!)**

is it possible for one molecule of salicylic acid to form an ester with a second molecule of the same substance? Use equations and/or structures. Please help, i am pretty sure it couldn't because of steric hindrance, however i am not sure how to explain this further and what ...
*Tuesday, September 11, 2012 at 4:13am by joel*

**Math**

It's a straight forward pair of simultaneous equations. In this example just add the two equations to cancel out the y and find the x value. Once you have the x value sub it back into one of the equations to find y. Hope that helps
*Tuesday, March 17, 2009 at 8:46pm by GanonTEK*

**8th grade math**

Parallel equations have the same slope. y = mx + b Perpendicular equations have a reciprocal and opposite slope. There is more to these questions than space allows here. Go to Khan Academy to view video's on how to do these equations.
*Sunday, March 4, 2012 at 9:18pm by Jo*

**Math - system of equations**

write two other equations that have the same solution as this system od equations. 3x-4y=-14 -x+3y=18 I found the solution to the system it is (6,8) there after how do i go about it?
*Tuesday, September 7, 2010 at 2:01pm by Shaila*

**algebra uno help + check?**

I think you are totally wrong. Take the last one. -x+2y=9 here are some equivalent equations: 2y-9=x x+9=2y 14y=63+7x Equivalent equations are equations that have the same solution.
*Monday, November 29, 2010 at 4:42pm by bobpursley*

**Math**

System of equationS (plural) The solution is the set of values of the different unknown variables that satifies all equations. This solution can usually be found if the number of equations equals the humber of unknown variables.
*Tuesday, May 17, 2011 at 10:19am by drwls*

**Chemistry Equations**

It appears you are posting part of a problem from a delta H calculation or something similar. Sometimes it is best to post the entire problem. All of these equations are done the same way. From the elements, the first two are N2(g) + 1/2O2(g) ==> NO2(g) B(s) + 3/2F2(g) ==&...
*Thursday, November 5, 2009 at 8:19pm by DrBob222*

**Chemistry**

)Iron metal and Chlorine gas react to form solid iron(III) chloride. These are word equations. You are to turn them into symbolic equations. You are not asked to predict the products; those are given to you. Here is how you do the first one. Fe + Cl2 ==> FeCl3 Now balance ...
*Sunday, February 28, 2010 at 6:36pm by DrBob222*

**Math-Equations**

Please check your original post for an answer before reposting. This question has been answered. You were given the equations. Now, it is up to you to solve these equations simultaneously. If you post your answer I will check for correctness.
*Sunday, February 6, 2011 at 8:01pm by helper*

**Chemistry**

Write balanced equations for the formation of [Ni(NH3)6][BF4]2 starting from an anhydrous sample of nickel(II) choride hexahydrate. (3 equations necessary) I am slightly confused by this. I think the starting sample has the formula [Ni(H20)6]Cl2 Would this react with ammonia...
*Wednesday, March 11, 2009 at 11:12am by Alice*

**Math**

How do I write the Symmetric Equation of a line given the following parametric equations: (where t is a scalar) x=0t y=0t z=1+1t I know normally I would solve each equation for t and set the equations equal to one another. However, I can not solve for t in the first two ...
*Wednesday, November 3, 2010 at 10:36pm by Dwight*

**Math**

How do I write the Symmetric Equation of a line given the following parametric equations: (where t is a scalar) x=0t y=0t z=1+1t I know normally I would solve each equation for t and set the equations equal to one another. However, I can not solve for t in the first two ...
*Thursday, November 4, 2010 at 11:34am by Dwight*

**Math**

Write two equations that have your two integers as solutions. Show how you built the equations using your integers, numbers used 5 and 8. Solve your system of equations by the addition/subtraction method. Make sure you show the necessary 5 steps.
*Wednesday, September 28, 2011 at 10:54am by Klint*

**chemistry**

Net Ionic equations for.. 1. Co(NO3)2 + NH3 --> ?? 2. Cu(NO3)2 + NH3 --> ?? 3. Ni(NO3)2 + NH3 --> ?? I can balance equations, I just don't know what goes on the products side.
*Wednesday, July 15, 2009 at 11:45pm by paul*

**Chemistry**

Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? The potassium ion is a spectator ion. You have written ionic equations (but omitted the arrows to separate the reactants from the ...
*Sunday, April 29, 2007 at 11:45pm by Emi*

**College Algebra**

Solve the system of equations with ROWOPS program. I know how to do the first step but after that it gets difficult for me, this is the system of equations: 3x + y - z = 1 x + 2y - z = 0 2x - y + z = 4 I used to be able to do these but now I'm getting a little rusty. Thanks ...
*Thursday, August 2, 2007 at 10:47pm by Rebecca*

**Chemistry**

This looks to be part of the answers for a problem by another person; however, without the same name I can't go back and look at the original post. #4 looks ok except they are molecular equation; the problem asked for net ionic equations. Also, I don't know where the equations...
*Sunday, April 8, 2012 at 4:55pm by DrBob222*

**Physical Chemistry**

In my physical chemistry book, I'm reading about "Margules Equations": ln γA = ΒxB2 ln γB = ΒxA2 I don't understand where these equations come from. How is it known that there is a single constant Β that satisfies both relationships?
*Tuesday, May 5, 2009 at 1:41pm by Sean*

**engineering**

Using mechanics of materials principles, (i.e. equations of mechanical equilibrium applied to a free-body diagram), derive the following equations: s’ = s cos2q = s[(1+ cos 2q) / 2] t' = s sinq cosq = s [sin 2q / 2] s=sigma, q=theta, t=tau I have looked in "Theory of ...
*Monday, October 18, 2010 at 5:06pm by Bob*

**Calculus**

At the local min/max points, the derivative is zero. f' = 3ax^2 + 2bx + c = 0 Plug in x = -3 and x = 2, and that gives you two equations. Also, use f = ax^3 + bx^2 + cx + d Plug in the values (x = -3, f = 3) and (x = 2, f = 0). That gives you two more equations. Now solve the ...
*Monday, November 12, 2012 at 6:05pm by PayDay*

**Math Systems**

problem 1 in the equation x - y = 1, solve for x in terms of y. replace x in either of the other two equations and you will be able to solve for x. Now, you can go back to any of the three equations and replace x with the value you found and solve for y. Check that your ...
*Saturday, April 6, 2013 at 6:39pm by Ollie*

**Math**

I am stuck on trying to figure out how to do this question. Could someone please show me 5 necessary steps ? Thank you. Here is how the assignment question is worded. Select any two integers between -12 and +12 which will become solutions to a system of two equations. Write ...
*Wednesday, February 9, 2011 at 9:30pm by Tiffany*

**chemistry**

our lab experiment was Isolationa nd Identification of the Major Constituent of Clove Oil. We know the major component is Eugenol, but our professor wants us to write the equations for the extraction of eugenol from the distillate with dichloromethane and then the equation for...
*Wednesday, April 20, 2011 at 1:04am by pamela*

**math**

how do i solve two step equations? Do you mean two equations in two unknowns? The method of substitution is one way. There is a good tutorial here: http://www.themathpage.com/alg/simultaneous-equations.htm
*Thursday, January 18, 2007 at 10:35am by megan*

**biology**

I need help figuring out how to balance scientific equations well what are the equations?
*Monday, October 30, 2006 at 7:13pm by ccw*

**Math 8 HELP!**

Multi-Step Equations Systems of Equations y = 2x - 4 y = x - 1 please help!!! :'(
*Wednesday, January 30, 2013 at 8:34pm by Laruen *

**Vectors**

How to solve a system of equations if there are FOUR equations with THREE unknowns?
*Wednesday, August 28, 2013 at 11:48pm by vectors123*

**Chemistry**

Need for two balanced chemical equations? I am in need of these two equations which I however do not know how they react. If anyone could help, it is greatly appreciated :) "Formation of products by heating a solid mixture of calcium propanoate and soda lime" "Formation of a ...
*Tuesday, January 29, 2013 at 4:26pm by Matt*

**Physics - What equations**

What equations would you use for those problems?
*Sunday, January 25, 2009 at 8:23pm by Sam*

**Algebra**

But what are the equations for me to solve them? I need equations, that's what the directions are telling me.
*Saturday, March 7, 2009 at 8:14pm by Joy*

**Math**

These equations are not solvable. If you add the two equations, you get 0 = 49.
*Tuesday, November 8, 2011 at 10:49pm by PsyDAG*

**Equations and variables**

Doesn't algebratic reasoning depend on symbols that can be manipulated in balanced equations?
*Wednesday, March 26, 2008 at 11:15pm by bobpursley*

**Math**

set the two equations up as simlutaneous equations and solve by substitution.
*Tuesday, April 14, 2009 at 5:23pm by Riley*

**Chemistry - Equations**

1.2?
*Thursday, January 31, 2008 at 8:13pm by Cary*

**Chemistry - Equations**

fgfg
*Thursday, January 31, 2008 at 8:13pm by *

**ALGEBRA 2**

A system of equations does not have a unique solution when the equations are not linearly independent. The equations are linearly independent if none of the left-hand side of the equations can be represented as a linear combination of the others. If we add equations (1) and (3...
*Sunday, July 22, 2012 at 6:09pm by MathMate*

**alegebra**

Solve the system of equations by graphing. Then classift the system as consistent or inconsistent and the equations as dependent or independent. 3x-y=14 3x+4y=-26 What is the solution of the system of equations? Type an ordered pair.N for no solution R for the solution if real...
*Sunday, March 23, 2008 at 4:08pm by anaya*

**Math**

Find parametric equations and symmetric equations for the line of intersection of the given planes. x + y + z = 2, x + z = 0 X=1 y = Z= x=, y=
*Tuesday, April 13, 2010 at 1:58am by Mike*

**Physics**

both equations .. d=vt d=1/2 a t^2 distances are the same, set the equations equal, solve for t.
*Wednesday, September 25, 2013 at 8:44pm by bobpursley*

**math/equations**

ya thats what i meant opposite equations
*Monday, March 30, 2009 at 6:32pm by sara*

**Equations**

I do not get equations in any way can you help me learn it fast and not so complicated.
*Monday, July 27, 2009 at 6:08pm by mehdi*

**math**

The general form of the equations are (4/3)x+y=(1688/3) (-9/40)x+y=(19577/40) (5/12)x+y=(-3929/12) but then when I use the incenter(p,q)and express it for distance and set the equations equal to each other i get different things when I set the first 2 equations together than I...
*Monday, April 20, 2009 at 9:04pm by kelly*

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