Thursday

October 23, 2014

October 23, 2014

Number of results: 36,850

**calculus**

Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the x-axis. (Round your answer to three decimal places.) y = e^−x y=0 x=0 x=7 I got the answer ~10.783 Idk why it's wrong
*January 22, 2012 by NAN*

**Calculus**

Can someone explain this question to me? What intervals should I use to test whether or not the graph is concave up or down. I know that no points or equations are given so we have to estimate. Here is the URL for the graph. imgur dotcom/FdQCV
*March 3, 2012 by Jake*

**Chemistry**

How to calculate Q in Nernst Equations, we used 0.10M solutions in all of our half cells. Nernst equation: Ecell = E0cell - RT/nF ln Q Overall reactions: Cu(s) + Pb2+(aq) ~ Cu2+(aq) + Pb(s) and 3Pb(s) + 2Al3+ ~ 3Pb2+ 2Al(s) Thank you!
*May 14, 2013 by Chloe*

**Math: Differential Equations**

I'm given y''= sin(x) with the initial conditions of y(0)=0 and y'(0)=2. I've already taken the integral two times to get an answer of y= -sin(x)+3x, however, I'm stuck as to how to make this equation in terms of x=... Please explain, I'd really appreciate it!
*January 14, 2014 by Student*

**chemistry urgent**

I think I balanced these equation right please check and let me know. i am suppose to complete and balance the equations representing the reactions. NaHCO3 (s) + HCL (aq) >>>> NaCl + 2CO+H2O CaCo3 (s) + HCL (aq)>>> CaCl + CO3H Thanks
*April 23, 2014 by jazz*

**8th Grade Algebra Answer Check**

Josh and Racquel sold corn dogs and burritos at the math club fundraiser. The corn dogs(c) cost $.35, and the burritos(b) cost $.75. They sold a total of 600 items, and raised $360. a)Write an equation for the total # of items sold. b)Write and equation for the total cost of ...
*January 25, 2009 by <3Medic+Droid<3*

**Plz Check My Geometry**

Out of 30 questions these few I struggled with. I put what I feel was right but to be sure I would like some one to check my answers and if there wrong redirect me on how to get the correct answer.( after the = is the answer i think it is. 1.) Given points A(-4, 5), B(2, 3), C...
*June 9, 2010 by Ariel*

**Plz Check My Geometry**

Out of 30 questions these few I struggled with. I put what I feel was right but to be sure I would like some one to check my answers and if there wrong redirect me on how to get the correct answer.( after the = is the answer i think it is. 1.) Given points A(-4, 5), B(2, 3), C...
*June 9, 2010 by Ariel*

**College Algebra**

need help in solving how many miles can i drive on 60 gallons of gas, with the Mpg 30 in the city, and 42 highway. I would like all the steps, never had algebra before, so i am very lost.
*February 27, 2011 by Dee*

**supply and demand**

I'm looking for help on the third part of this question. I've included preceding questions/answers to show where I'm at. I don't know what to do next. Suppose that a market is described by the following supply and demand equations:
*February 17, 2007 by shannon*

**science equations**

a boy standing n a high cliff dives into the ocean below and strikes the water after 2.5 s. what is the boy's velocity when he hits the water? deltav=gxt
*January 24, 2008 by summer*

**Chem**

I'm doing a homework on Translating Word Equations and I wanted to know the answer for this question... Iron(ll) hydroxide reacts with hydrogen peroxide to produce iron(lll) hydroxide. Please help needed!
*March 11, 2008 by Anonymus*

**advanced math**

I'm not sure how to find the line of best fit. I have two equations, linear and quadratic. I graphed them on my calculator, but now I don't know which one is the best fit. Can I tell by the r^2?
*March 17, 2008 by Irene*

**Math**

The sheet is titled Solving Inequalities. I need to solve this question by equivalent equations and show my steps. So, how do I solve 6x<12? Would I divide both sides by 6 meaning x would = 2? or??
*April 9, 2008 by Tyler*

**math**

Last question. If I have found all of the linear equations and have all of the intersection points for this feasible region, how do I calculate the maximum and minimum using the given function f(x,y)=-x+3y?
*December 30, 2008 by ABCD*

**URGENT: Grade 8 Math**

In my math question it says: Multiply. Simplify before multiplying. Use benchmarks to estimate to check the product is resonable. a)3/4 x 8/5 is one of the equations What are benchmarks?
*September 25, 2009 by Molly*

**Chemistry Honors**

I need help balancing equations 1) CH4+O2-->CO2-->+H2O 2) Hf+N2-->Hf3N4 3) Mg+H2SO4-->MgSO4+H2 4) C2H6+O2 -->CO2+H2O 5) Pb(NO3)2 + NaI--> PbI2+NaNO3 6) Fe+O2-->Fe3O4
*October 20, 2010 by S*

**AP Chemistry**

What is meant by minimum and maximum energy problems. Are there different equations to find them. What does this conceptually mean? * This is dealing with quantum chemistry such as plancks equation, and debroglie equation.
*November 18, 2010 by qwerty123*

**alegebra**

amelia gets 4 points for each correct answer and loses 1 point for each worng answer. One her last quiz she earned 50 points and answered 25 questions. write a system of equations
*February 28, 2011 by michele*

**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?
*January 7, 2014 by Sara*

**Math: Differential Equations**

I've been stuck on this math hw problem for a while, I was thinking of taking the integral of the equation, but I've been messing up too much that I'm not sure anymore. Q: Is it possible to solve y'=x/(x^(2)-1) for y(1) = 0? Thank you!
*January 15, 2014 by Student*

**Algebra repost for James**

Algebra - James, Sunday, September 30, 2007 at 9:00am How do you work: 3-4q=10q+10
*September 30, 2007 by Ms. Sue*

**math**

Need help with algebra question If c= 5/9 (F-32)and F is 77 then what is c the 5/9 reprsents a fraction, I am no good in algebra and need help how to get the answer and the problem, thanks
*October 11, 2008 by chris*

**algebra**

Thank you for helping my with my Algebra.. write an equation for 5 more than a number g is 6 less thn twice a number h
*September 15, 2010 by michael*

**algebra**

2.) Use algebra to find the value of a in the triangle when x=a, y=2a, z=3a. Notice the measurement of the angle is not necessarily the as the value of a.
*May 7, 2012 by wanda*

**algebra**

what is algebra? and you give me a example
*December 3, 2007 by aaron*

**algebra**

what does this mean in algebra? upsidedown v
*January 6, 2010 by M*

**Algebra 1**

Please help me on pg 50 from algebra with pizzazz 5,6,8
*September 18, 2012 by AndroAttaalla *

**algebra**

how do you solve this algebra problem 8(2x-3)-6x if x = 3
*September 12, 2013 by shantonia*

**Algebra**

How do I solve this algebra questions, 2n+4n+4=-8, 9=5+4t, at+2=12, 2x+3=7, 3b+6=12, m/6+5=7????
*December 5, 2013 by Raquel*

**Algebra**

I need help understanding algebra
*January 11, 2014 by Jackie*

**English**

I have to edit these. Add any words needed for grammatical or logical completeness 1. Very few black doctors were allowed to serve in the Civil War, and their qualifications had to be higher than white doctors. 2. Producers of violent video games are not capable or interested ...
*February 4, 2011 by Angel*

**mathematics / economics **

By December 2014, your organization had an establishment of 500 employees when it decided to expand its operations because of growth of market products demand. The decision was to increase the labor strength progressively by 5 percent per annual over the two year period while ...
*June 25, 2014 by Tasha Love*

**algebra 2**

Consider the exam data below. Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the regression line for this data, and graph it on your scatterplot. b. Interpret the slope and intercepts of this line in the context of the problem. c...
*July 5, 2013 by Rachel*

**Quadratic equations**

How do I write my x intercepts as an ordered pair when my X-Intercepts at X = { 2.64575, -2.64575 }?
*February 18, 2008 by Marysvoice*

**MATH**

Which of the following equations has the given solution set? Solution set: Ø A)-2m + 5 = 2m + 5 B)-2m + 5 = -2m + 5 C)-2m + 5 = -2m - 5 D)none
*March 5, 2010 by nicky*

**Algebra1**

I am solving for linear equations and I'm wondering if I did Step 3 right.. 3x-y=8 x-y=8 Step 1 3x-y=8 3x-y+y=8+y 3x=8+y 3x/3=8+y/3 x=(8+y/3) Step 2 3(8+y/3)-y=8 8+y-y=8 8+2y=8 8+2y-8=8-8 2y=0 2y/2=0/2 y=0 Step 3 x=8+y(0)/3 x=2.6
*April 18, 2010 by Samantha*

**math linear equation**

Solve the linear equations by the matrix method:a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9.solve for a:b:c
*February 7, 2014 by femi*

**Alegbra**

Will be the graphs of each of these equations be perpendicular. 1.y=7x-9 slope=-7 y-intercept=-9 2.-3y=21x+7 y=-7x(7/3) slope=-7 y-intercept=-(7/3)
*July 13, 2014 by sharon*

**statistics**

11. (4 pts) The following statistics provide information about the scores on a national mathematics exam. Mean 312 First Quartile 201 Median 296 Third Quartile 423 Mode 326 49th Percentile 307 a) What score did half of the test takers surpass? b) What was the most common score...
*December 14, 2007 by Rose*

**statistics**

11. (4 pts) The following statistics provide information about the scores on a national mathematics exam. Mean 312 First Quartile 201 Median 296 Third Quartile 423 Mode 326 49th Percentile 307 a) What score did half of the test takers surpass? b) What was the most common score...
*December 15, 2007 by Rose*

**Mathematics - Dot Product**

Consider rhombus ABCD a) Find the resultants of vector AB + vector AD and vector AB - vector AD b) What will the value of (vector AB + vector AD) dot product (vector AB - vector AD) always be? Explain. c) Is the value of (vector AB + vector AD) dot product (vector AB - vector ...
*August 20, 2010 by Suhani*

**math**

Factorial notation problem. Please help? Hi, I am stuck on this maths problem. Solve for n: (n+2)!/(n)! =110. I get as far as (n+2)(n+1) = 110. When I multiply it out I get n^2,3n,2 = 110. There is only one example similar to this in my book and it used a quadratic equation to...
*July 3, 2013 by Maria*

**8th Grade Algebra: HELP ME PLEASE!**

I am having a hard time figuring out the equations for these problems. 1) The perimeter of a rectangle is 160 feet. One fourth the length is the same as twice the width. Find the demensions for the rectangle. 2) Lorena bought 10 packs of styrofoam cups for the graduation dance...
*March 4, 2009 by Joy*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**Linear equations algebra**

a) The sales representative here tells you they also have two floor plans available, but they only have 38 homes available. Write an equation that illustrates the situation. Use x and y to denote floor plan #1 and floor plan #2 respectively. X + Y = 38 b) The representative ...
*October 19, 2009 by Aleta*

**Physics**

A ball is thrown upward from the ground with an initial speed of 25 m/s; at the same instant, a ball dropped from rest from a building 15 m high. After how long will the balls be at the same height? The equations I have is final velocity squared = initial velocity squared plus...
*September 24, 2006 by Becca*

**chem**

In an industrial process to make alcohol, bacteria, sugar, and water are fed into a bioreactor. The bacteria make alcohol, and water as well as leftover sugar. We desire to remove all the cells from the process stream so we may purify our alcohol product. The process stream ...
*October 21, 2012 by Krin*

**chem**

In an industrial process to make alcohol, bacteria, sugar, and water are fed into a bioreactor. The bacteria make alcohol, and water as well as leftover sugar. We desire to remove all the cells from the process stream so we may purify our alcohol product. The process stream ...
*October 21, 2012 by Krin*

**Mathematics**

(in this question they did not give me any diagrams) use pie 22/7 (a) a piece of wire is bent to form a square of area 121cm squared Calculate the length of each side of the square. Calculate the perimeter of the square. (b) the same piece of wire was bent to form a circle. ...
*June 5, 2012 by INDIANA*

***re-Calc**

I am trying to get the polynomial; x^7+2x^6+3x^5+4x^4+6x^3+6x^2+7x+8 divided by; x^5-2x^4-3x^3+5x^2+2x-3 into a partial fraction form so that I can create a system of equations to solve for. So far, after dividing I have (x+1)(x-1)^2, and (x^2-x-3) as factors along with an ...
*May 29, 2009 by John*

**someone correct my work please? fun, fun chemistry**

Okay. I'm very, very confused. The initial question is: predict the products of the electrolysis of a 1 mol/L solution sodium chloride. This is my work: The four different possible equations are: 2H2o + 2e- -------> H2 + 2OH- (V= -0.83) O2 + 4H+ + 4e- -------> 2H2O (V= 1...
*January 30, 2007 by Rienna*

**math, correction**

can someone help me correct this Directions: Dtermine which two equations represent perpendicular lines. options are: A) y = 2x-4 b) y = (1)/(3) x + 4 c) y= - (1)/(2)x +4 d) y = (1)/(3)x - 4 wouldn't it be a and c . Because b and d have the dame slope which are parallel lines...
*February 12, 2007 by jasmine20*

**Math**

HELP Find the solution for x,y. In the problem... 5x-3y=-11 x-2y=2 Multiply the second equaton by five. 5x-3y=-11 5x-10y=10 subtract the second equation from the first. 7y=-21 solve for y, then put y into either of the beginning equations to solve for x.
*April 17, 2007 by Adam*

**Math**

The demand and supply equations for a certain item are given by D = -5p + 40 s = -p^2+30p-8 Find the equilibrium price. Wouldn't you set demand equal to supply, and solve for P? I will be happy to critique your work.
*June 10, 2007 by Audrey*

**Calculus**

I've been trying to figure this out but I can't seem to find the correct answer... DIRECTIONS: Find the points of intersection of the groups of the equations, and check your results analytically. QUESTION 1: 2x - 3y = 13 5x + 3y = 1 QUESTION 2: x^2 + y^2 = 5 x - y = 1 THANK YOU!
*September 10, 2007 by C*

**advanced math**

Hi, I am trying to solve graphing quadratic equations. One of the problems is written as -x^2= -2x-1. So if I wanted to put this equation in the proper quadratic equation form, would it be -2x-1-x^2, or -x^2+-2x-1? I'm really not sure.
*March 2, 2008 by Sharon*

**Math**

For each of the following, find the parametric equations of the line that passes through the point P with direction vector d. In each case, find two points on the line different from P. a) P(1,1) d=(4,-4) b) P(5,0) d=(1,3) answer at the back of the book is: a) x=1+t y=1-t ; (2...
*March 23, 2009 by Steffy*

**Math**

Could someone please help me with this. I am confused. Math is a weak point for me. Solve the system of equations by graphing. Then classify the system. 9x-6y=30, 6x-9y= -30. The solution is? Consistent or inconsistent, dependent or independent? How would I graph this? Thanks.
*April 11, 2010 by B.B.*

**trig**

Please help me solve this problem. I have a test tomorrow and I do not understand at all. Determine all solutions of the equations in radians. Find cos x/2, given that cos x = 1/4 and x terminates in 0 < x < π/2.
*May 3, 2010 by Mandy*

**Chemistry**

NiF2(aq)+Fe2(SO4)3(aq) ==NiSO4 (aq) + FeF3 (s) balance each of the following chemical equations. Express your answer as a chemical equation. Identify all of the phases in your answer. Can help me refresh my memory ...
*October 16, 2010 by Lisa*

**calculus**

Use the disk or the shell method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about each given line. y = x3 y = 0 x = 3 the x-axis,the y-axis,and the line x = 4
*January 25, 2012 by Meltnd*

**Differential Equations**

x dy/dx + y = 1/y^2, solve using bernoulli's equation. i got to du/dx + (2u)/x = 2x(u)^(-1/2). the u^(-1/2) is obviously a problem if im going to solve it using an integrating factor. if that is not what you yourself have gotten to then please show me my error.
*September 25, 2012 by Bryant*

**Math**

Jason is 20 years old. He is 4 times older than his younger brother. Which of the following equations could be be used to figure out the age of Jason's brother? a.20x4 b. 20+4 c. 20 divided by 4 d. 20-4 My answer is A. is that correct?
*February 10, 2013 by vera*

**CHEMISTRY**

Method for getting correct answer? Thank you! Initially there were equilibrium concentrations of 0.1887 M A, 0.1042 M B. Which of the equations below is correct if the pressure decreased by a factor of 2.40? Use the reaction below. 6A(g) ↔ 5 B(g) Qc = 0.42 Kc Qc = 0.45 ...
*April 6, 2014 by Chemistry*

**CHEMISTRY**

Method for getting correct answer? Thank you! Initially there were equilibrium concentrations of 0.1887 M A, 0.1042 M B. Which of the equations below is correct if the pressure decreased by a factor of 2.40? Use the reaction below. 6A(g) ↔ 5 B(g) a. Qc = 0.42 Kc b. Qc = ...
*April 6, 2014 by Chemistry*

**maths linear eqautions**

i have a number of sweets in a bag. if i removed three of them and divided the number remaining by 4, i would have two fewer than if i removed 7 and divided the number remaining by 3. How many sweets do i have (N-3)/4 = (N-7)/3 +2 check my thinking. I see annonymous simply ...
*September 14, 2006 by fussiilat*

**Math, Calc**

Which rectangular equation corresponds to this set of parametric equations? x = t + 2 and y = t^2 + 3 A. y = (x − 2)^2 − 3 B. y = (x + 2)^2 + 3 C. y = (x − 2)^2 D. y = (x + 2)^2 − 3 E. y = (x − 2)^2 + 3
*April 25, 2013 by Chris*

**algebra**

^96divided by 8 We'll be glad to critique your answer. What is the meaning of the ^ before the 96? Your question does not seem to be about algebra. Okay jessica, what is 96 divided by 8?...and the rest of the class will not help her...do you have the answer? 12
*July 4, 2006 by jessica*

**algebra**

he is missing 3 cents to buy an ice cream bar. she is missing 5 cents to buy the same ice cream bar. they combine their money but they are still 1 cent short. how much is the ice cream bar? Let x denote how much he has and y denote how much she has. Let p be the price of the ...
*September 9, 2006 by alejandra*

**4th grade**

I like to know few Formulas in Algebra, What formulas we have use in Algebra ?
*October 22, 2008 by jhon123*

**algebra**

can any one show me where to get free online help with algebra? i need a tutor or someone to show me what im doing
*July 17, 2010 by bobbi*

**Pre-Algebra**

How do you solve this Pre-Algebra problem: $1.25x + $2.25y = $916 x + y = 560
*February 1, 2014 by 8th Grade*

**Mathematics**

Nathan and Steven stacked boxes on a shelf. Nathan lifted 13 boxes and Steven lifted 15 boxes. The boxes that Nathan lifted each weighed 12 lb more than the boxes Steven lifted. Which expression represents the total number of pounds Nathan lifted? Let s represent the weight of...
*October 6, 2014 by Anonymous*

**macroeconomics**

a) Suppose the economy is characterized by the following behavioral equations: C = c0 + c1YD YD = Y – T I = b0 + b1Y Government spending is constant. Note that investment now increases with output. Chapter 5 will discuss the reasons for this relation. Solve for equilibrium ...
*March 19, 2007 by Eve*

**Pre Calculus**

solving exponential equations with exponents on each side 5^x =4^(x+1) They don't have common bases and now I am lost I thought I could just come up with a common base (in this case 20) and change the equation to 20^4x =20^(5x+5) However I am not getting the correct answer!
*July 26, 2009 by Shellie*

**Algebra II**

Evaluate: ƒ(2) + 5 It says to use this graph to solve the equation: h t t p://i55 . t i n y p i c . com/2qdvfur.jpg Right now we're on Algebra and Composition with Functions. I have no idea what I'm supposed to do, and there are no instructions for any of these problems in the...
*September 18, 2011 by Matt*

**Physics**

If a ball is thrown directly upwards with twice the initial speed of another, how much higher will it be at its apex? A) 8 times D) 2 times B) 4 times E) 2 times C) 2 2 times Please show any equations that are used :)
*April 7, 2012 by DCM*

**Mathematics**

Triangle ABC has ∠A=40∘, ∠B=60∘, ∠C=80∘. Points M,N trisect the side BC and points P,Q trisect the side AC. The lines AM,AN,BP,BQ intersect at the points S,T,U,V as shown in the figure below, dividing the triangle into 9 regions. Determine ...
*June 16, 2013 by Steve*

**algebra**

Also, I belive that #4 is D. I drew out a graph and it is symmetrical to point A. After looking over #3, I got B because axis of symmetry is -b/2a, so it would be 6/2(1)= 3. I need help on how to do the following problems: 1. The graph of x^2 + y^2 = 100 will contain which of ...
*April 1, 2007 by Anonymous*

**new brunswick college**

can any body send me information about algerba . i know the principle. when you have the four signes what you do to one side you do the opposite side. want to know some historyso i might understand it better . thank you randy go to gomath information on algebra normally ...
*May 14, 2007 by randydemerchant*

** Chemistry**

An unlabeled bottle containing a solution was found in the lab. It contains one of the following: AgNo3, CaCl2, or Al2(SO4)3. Describe how you would test the solution to determine which solution it is. Include equations in your answer.
*December 7, 2010 by Abigal *

**algebra**

I need some help with some algebra problems please. I dont under stand how to do that following. Find and simplify the difference quotient f(x+h) -f(x)/h, h cannot equal 0 for the given function. 1. f(x)=5x^2 2. f(x)x^2+3x+9
*August 30, 2007 by Nicole*

**college mathematics**

10. If the argument below is valid, name which of the four valid forms of argument is represented. If it is not valid, name the fallacy that is represented. If I sing in the shower, then I will not be overheard while singing. I was not overheard while singing. Therefore, I ...
*February 7, 2012 by cody*

**science**

A particle leaves its orgin with a velocity of 4 i m/s and a constant acceleration of (-2i + .5j) m/s^2. At the time the particle reaches its maximum X corrdinate a) what is its velocity? b) what is its position vector? I'm not sure which equations i should use. I am confused ...
*November 2, 2006 by Benji*

**Pre-calculus-check answers**

Write the slope-intercept form of the equation of the line that passes through the point (-5,4)and has a slope of -1. Answer: y=-x-1 2)Solve the system of equations algebraically: 1/3x+1/3y=1 and 2x+2y=9 Answer: no solution
*August 23, 2008 by Lucy*

**Quadratic Equations**

The height of an object dropped from a 100-ft-tall building is given by h=-16t squared + 100. When will the object hit the ground? (Please provide steps/explanation to solve this problem.)
*March 29, 2009 by purpletree*

**college biology**

give a liable explanation for food test.... include test for starch,, simple sugar,,, fat and protein ,,,, please include chemistry and chemical equations... thanks ... due tomorrow
*September 9, 2009 by kadian*

**Math, Calculus**

help Please... Differential Equations Problems... please give the complete solution, so that i can understand how it is derived... tnx in advance, god Bless... Here are the problems : 1.) y dx + (2x+3y)dy = 0 2.) (2xy + y^(2) ) dx - 2x^(2) dy = 0 ;y = e, x = e 3.) y( x^(2) + ...
*October 19, 2009 by Huck*

**math**

How do I solve the equations using the elimination method: .3x-.2y=4 and .4x +.3y= 49/23 Normally I would multiply the decimals by 10 to make them whole numbers, but that fraction is really throwing me off. What do I multiply to eliminate that fraction? Please help!
*March 14, 2010 by bob*

**Physics**

A bucket full of water (15kg) is swung in a vertical circle on a rope 1.5m long. What is the minimum speed it can be swung so that the water doesn't fall out at the top? Which equations should I start with first?
*November 3, 2010 by Thuy*

**algebra2**

Using complete sentences, explain which method you would use to solve the following system of equations and why. In your answer, include the solution to one of the variables and how you found it using the method you chose. 2x + y + z = –7 x – 3y + 4z = –14 x – 2y – 3z = –11
*November 22, 2010 by Rayniya*

**writing equations**

We did not find results for: Please help me do this problem: I need to write an expression for the cost of an ice cream cone and "t' number of toppings. The information is once scoop of ice cream for $3 and each topping is $1.
*September 11, 2012 by scott*

**pre-calculas**

Find the slant asymptote, if any, of the rational function. Do not graph the function. (Enter your answers as a comma-separated list of equations. If an answer does not exist, enter DNE.) f(x) = x2 − 2x + 15 _____________ x + 7
*March 10, 2013 by melanie*

**Chemistry**

Write equations for the stepwise formation of each of the following complex ions. (Type your answer using the format CO2 for CO2, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.) (a) Ni(CN)42- (b) Mn(C2O4)22-
*March 17, 2013 by Howard*

**Chemistry**

Write equations for the stepwise formation of each of the following complex ions. (Type your answer using the format CO2 for CO2, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.) (a) Ni(CN)42- (b) Mn(C2O4)22-
*March 17, 2013 by Howard*

**Solving Rational Equations**

Markus jogs 4 mi around a track at an average rate of r mi/h THen he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?
*October 23, 2013 by Stacey*

**Solving Rational Equations**

Markus jogs 4 mi around a track at an average rate of r mi/h Then he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?
*October 23, 2013 by Stacey*

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