Sunday

May 1, 2016
Number of results: 5,564

**chemistry**

Could we use HCl instead in HNO3 in Volhard method?
*November 5, 2010 by darika*

**Math**

Use the echelon method to solve the following system. x/5+3y =31 2x-y/5=8
*November 24, 2010 by Star*

**Math**

Use the Gauss-Jordan method to solve the equation: 3x-5y-2z=-9 -4x+3y+z=11 8x-5y+4z=6
*November 24, 2010 by Andrew*

**Math**

Use the echelon method to solve the following system: x/5+3y=31 2x-y/5=8
*December 2, 2010 by Ashley*

**algebra**

Solve by the linear combination method (with or without multiplication). 6x \-2y = 2 3x + 4y =-5
*December 16, 2010 by geddy*

**algebra**

Solve by the linear combination method (with or without multiplication). 4x-5y =-18 3x + 2y =-2
*December 16, 2010 by geddy*

**algebra**

Solve by the linear combination method (with or without multiplication). 3x-5y = 7 2x + 3y = 30
*December 16, 2010 by geddy*

**algebra**

how do u solve an equation using the the graphing method...for example x-y=2 and -2x=2y=2
*January 30, 2011 by help please..thanks :)*

**algebra**

addition method:3x-5y=-2 and 5y-2x=-2 how would I solve it since they are not together?
*February 21, 2011 by m*

**Maths**

determine if this is a function? y= x show working method please
*March 23, 2011 by Mathsnewbie*

**math(algebra)**

solve by elimination method. 5x+6y=3 10x+12y=6
*July 9, 2011 by jon*

**BIO**

how is the scientific method used to create hypotheses or an expermient?
*July 26, 2011 by Anonymous*

**algebra**

how do I use the emlination method to slove the system of equation 5r + 3t = -1?
*August 24, 2011 by Sarita*

**Algebra**

can you solve this set of equations using the elimination method? 3x+4y=34 and 3x+2y=26
*September 2, 2011 by Shirley*

**Math algebra**

how do you do this by using the FOIL method? 1. 3x^2 + 22x + 7= 2. 2x^2 + 5x - 12= 3. x^2 - 11x + 28= thank you!
*October 26, 2011 by Sara*

**algebra**

Cramer's rule I understand the method but idk how to do this question 6x+2y=-44 -7+9Y=-96
*November 15, 2011 by Bob Brown*

**General Psychology**

what is the advantages and disadvantages of using the archival method?
*January 17, 2012 by Kim*

**algebra**

solve by using the square root method: (5y+4)^2+100=0
*March 4, 2012 by H*

**calculus**

Use Newtons method to find the roots of the equation 1/x=1+x^3
*April 4, 2012 by Drew*

**intermediate algebra**

Factor completely.Using the AC method....6x^3-4x^2-10x
*April 22, 2012 by Lueshelle*

**math**

Solve using elimination method -7x+5y=-56;-21x-2y=-168
*May 1, 2012 by karly*

**algebra 1**

Solve by the linear combination method (with or without multiplication). 6x – 2y = 2 –3x + 4y = 5
*May 7, 2012 by Anonymous*

**Algebra**

Use the elimination method to solve the sysrem of equations a+6b=13 a+3b=4
*May 26, 2012 by Anonymous*

**PHYSIC**

Which of the following objects was the first to be discovered by photographic method
*July 29, 2012 by sONY*

**Algebra 2**

x+2y+5z=-1 2x-y+z=z 3x+4y-4z=14 solve the system using linear combination method.
*October 14, 2012 by Erin*

**Math**

How to differentiate e^e^x? Ans at wolfram is e^(x+e^x). I need the calculation method.
*October 28, 2012 by Ifi*

**maths**

Find the derivative of 2x+3/ 3x-2 using first principle method.
*January 29, 2013 by Anonymous*

**differential equation urgent !**

using method of undetermined coefficients d^2y/dx^2 -5 dy/dx+6y=xe^x
*February 26, 2013 by deq*

**calculus**

Integrate using the simplest method possible: ∫(t – 1)5(2t – 7)dt
*March 11, 2013 by susan/math*

**Calculus**

Use Newton’s method to approximate the root of x^2 + 4x + 2 = 0 between x = -4 and x = -3 .
*May 3, 2013 by Grant*

**algebra**

how do you Solve the following system using the elimination method: 2x - 4y = 2 -4x + 6y = -4
*July 4, 2013 by terrie*

**Math**

solve the elimination method 8a+2b=2 -8a+b=13 determined the solution of the system
*July 24, 2013 by Denise*

**Math**

Use the elimination method to solve the system of equations 5u+2v=15 3u+v=-7
*July 25, 2013 by Denise*

**introduction to psychology 1**

Random assignment can be described as a research method:
*August 17, 2013 by Anonymous*

**introduction to psychology 1**

Random assignment can be described as a research method:
*August 17, 2013 by Anonymous*

**geometry**

what is a concave polygon using the classify and differentiate method
*September 26, 2013 by sarah*

**Math**

Solve each system using the method of your choice. 1. 7x+2y=17 2. 6x-5y=-9 3. y=4x-8 4. y=2x+10 5. 3x-6y=30 6. y=-6x+34 7. 3x+y=5 8. 15x+5y=2 9. 2m=-4n-4 10. 3m+5n=-3 11. 5x+y=0 12. 5x+2y=30 Thank you. (:
*February 11, 2014 by Melanie*

**Algebra**

Using the ac method factor the trimonials. 15x^2 + 31x+2=
*April 30, 2014 by Michele*

**Algebra**

Using the ac method factor the trimonials. 15x^2 + 31x+2=
*April 30, 2014 by Michele*

**general physics**

what are the differences between polygon and parallelogram method?
*June 20, 2014 by krissy*

**MATH**

Use the matrix method to solve the system of equations 2x + 4y = 8 and 6x + 3y = -3.
*November 5, 2014 by lOVEJOY*

**Algebra 1**

When solving a system of equations, how do you determine which method to use?
*December 18, 2014 by Steve*

**algebra**

solve the set of linear equations by the matrices method: a+3b+2c=3, 2a-b-3c=-8,5a+2b+c=9
*April 7, 2015 by linear*

**chemistry**

Can methane and oxygen be separated. If yes, can anyone please mention the method
*May 11, 2015 by daniel*

**intro to psychology**

Random assignment can be described as a research method:
*June 19, 2015 by elly*

**math**

solve by completing square method 16x^2-24x-13=0
*June 28, 2015 by simran*

**natural science**

usingbisection method and fp,evaluat the solution set of x3-4x-9
*November 3, 2015 by ayele*

**5th math**

What is the one der bread method of factoring? 4
*December 2, 2015 by Dakota*

**Math**

Solve the sytem of equations using the addition method. 5x+2y=1, x-3y=7
*January 28, 2016 by Greg*

**algebra**

solve by elimination method to find an ordered pair. 7x-y=27 x+9y=77
*March 13, 2016 by leigh*

**accounting**

how to calculate depreciation using carrying value method?
*April 23, 2016 by Jeylen*

**math**

(n-2)*180 =108n 180 n - 108 n = 360 72 n = 360 n = 5 drwls, I had totally misread the problem and thought it said (n-2)^180 =108n been working on it for almost an hour, trying Newton's method and all kinds of iteration. I really have to try to read the questions more carefully...
*March 21, 2007 by chris verwer*

**Calc easy**

Having trouble getting the correct solution. The integral of “x squared” in the numerator and “x squared plus x minus 6” in the denominator. S X2 / (X2 + x – 6) dx Thanks! That's a messy one. According to my table of integrals. The answer is -x/6 -(1/72)loge(x^2 +x -6) + S dx...
*February 23, 2007 by Ang*

**alberaic method!**

how do I convert 0.12... to a fraction using algebraic method? Isn't 0.12 twelve hundreths? 12/100 = 6/50 and it can be reduced further. I'm not sure what is meant by "algebraic method" here, but .12 is the same as 12/100 Generally, if you have a decimal like .xy...z then ...
*October 19, 2006 by allana*

**Education Tech**

1.) Which of the following is the best strategy for studying test? a) Sitting alone in a chair in a quiet room, looking over your textbook. b) Working in pairs and exchanging practice questions. c) Developing a personal method that is right for you and your learning style. d) ...
*January 9, 2014 by Ashley mccgarvey*

**Differential Equations by SUbstitution**

Okay, so I'm given this ODE: (3xy-2y^2)dx - 7xydy = 0 I chose y = ux, so dy = udx + xdu So subbing in for y I get: (3(x^2)u - 2(x^2)(u^2))dx - 7(x^2)u(udx + xdu) = 0 3(x^2)udx - 3(x^2)(u^2)dx - 7(x^2)(u^2)dx - 7(x^3)udu = 0 3(x^2)udx - 9(x^2)(u^2)dx - 7(x^3)udu = 0 I do not ...
*December 14, 2009 by Bobby*

**math**

Lena bought a total of 20 postcards. She bought 6 more large poscards than small. Write a system of equations that represents the postcards Lena purchased. Solve the system by substitution. Interpret the solution.
*November 26, 2012 by Jane*

**Math- urgent**

Solving Systems by Substitution Maribel has $1.25 in her pocket. The money is in quarters and dimes. There are a total of 8 coins. How many quarters and dimes does Maribel have in her pocket? I think the equation is 10x+25x=$1.25 and x+x=8 but I'm not sure.
*August 27, 2014 by sara*

**Economics**

In a place rice growers burn their field to stabilize their fields the field burning causes pollution, the alternative sanitizing method costs $150 per acre. Consider a country where rice farmers are willing to pay $500 per acre for land and corn farmers (who do not sanitize ...
*May 5, 2009 by eStone*

**physics help please**

a horizontal force of 8.0 newtons is used to pull a 20.-newton wooden box moving toward the right along a horizantal, wood surface, as shown. A. Determine the mass of the box. B. calculate the magnitude of the acceleration of the box.[Show all work, including the equation and ...
*November 28, 2010 by mike *

**Math integral**

What is the integral of 1/(x√(x^2-4)) dx? So I know that I am going to have to factor out the 4 and use the arcsec trig identity but I've having trouble getting to a viable u-substitution. I've gotten to factoring like this so far: √(x^2-4) = √[2^2(x^2/2^2 - ...
*September 3, 2008 by Terry*

**algb**

Z the Intergalactic Candy Store for $1.75. Jeejuu paid $1.88 and got 4 xylobars and 1 yackity. How much Dado pay for 1 xylobar and 2 yackities?imak bought 3 xylobars and 5 yackities from .....Write a system of equations. Then solve the equations using the methods: substitution...
*October 1, 2014 by Amber*

**Macroeconomics**

Assume that preferencse are given by u(c,L) = 2*ln(c) +ln(L). The wage rate is $15 and the person has 120 hours of time available. Profits are 0. Taxes are 0. Write down two equations that describe the constraints faced by this consumer. Find an equation for the Marginal Rate ...
*May 24, 2008 by Kayla*

**Algebra 2**

The projected population in thousands for a city over the next several years can be estimated by the function P(x)= x^3 + 2x^2 - 8x + 520, where x is the number of years since 2005. Use synthetic substitution to estimate the population. Also could anyone help me with the ...
*February 6, 2014 by Alexus*

**Java Programming**

Hi, I have the following assignment: "Write a Java application program using Eclipse to do the following. Write a program that contains 5 Java classes, each in their own file. The first class is called Main and contains the main method that runs the program. The main method ...
*June 12, 2008 by Teodora*

**Calc 1**

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞ x^7e^−x^6 Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞...
*April 20, 2015 by TayB*

**Calculus**

Integrate sinx(cosx)^2dx using the substitution u=sinx. I know how to do this using u =cosx, but not sinx. The next problem on the homework was the same question except it asked to use u=cosx, so there couldn't have been a mistake.
*December 23, 2015 by Larry*

**Algebra 2/Math**

Can you check these thanks. Solve the system by substitution or elimination. 2x+y=1 3x-y=14 Answer: (3,5) x-3y= -12 2x + 11y= -7 Answer: (39,17) 4x+2y=8 12x+6y=24 Answer: no solution 4x-2y=5 2x-y= -1 Answer: no solution 4a+3b =6 8a-b= -9 Answer: no solution
*November 20, 2010 by Karen*

**physics**

A mettalic sphere of radius a carries a charge Q. It is brought in contact with an uncharged sphere of radius b . what will be the charge on the first sphere. My work I eliminated 2 options by substitution and realised that it won't be their average as they don't have same ...
*March 1, 2016 by Anonymous*

**Rutgers**

Marketing management the method will use multiple channels of distribution why and why not.
*April 15, 2007 by carmen del grey*

**physiology**

the scientific method is only concerned with experimentation True or False
*September 16, 2008 by natash*

**chemistry**

would the method of spectrophotometry or redox titration be a more accurate?
*February 23, 2009 by tiffany*

**Government**

what are the two steps involved in the second method of amending the Constitution?
*February 25, 2009 by Angela*

**Algebra.**

Solve using the addition and mulitplication method principles. 4+9x<13. Is this right? 4-4 +9x<13-4 9x/9> 9/9 x>1?
*March 22, 2009 by A.W.*

**alegbra**

Solve by the subsitution method. 2x+4y=-6 -3x+y=23 y=23+3x 2x +4(23+3x)=-6 2x +92 +12 x =-6 x=7 y= 23 I am lost after this could some one help me
*April 2, 2009 by Jonnie*

**geology (science)**

what method is used to determine the age of a rock formation?
*April 26, 2009 by scooby9132002*

**math**

Find the LCM of the numbers 24 and 32 by using a. the listing multiples method.
*June 22, 2009 by thomas*

**math (am i correct)**

solve by elimination method. 2x+3y=4 4x+6y=8 is the answer -3/2y+2 they want it as an ordered pair
*July 1, 2009 by scooby9132002*

**math (am i correct)**

solve by elimination method. 2x+3y=4 4x+6y=8 is the answer -3/2y+2 they want it as an ordered pair
*July 1, 2009 by scooby9132002*

**Math**

Find the least common multiple for the numbers 56 and 96. Show your method
*October 4, 2009 by Anonymous*

**8th grade**

i need help with identify population sample and sampling method
*November 23, 2009 by chris*

**colege algebra**

Solve the system by the elimination method 5x+5y=-7 7x-2y=13 Could someone please help me? Thanks
*December 3, 2009 by muff*

**math**

Find the ordered pair using the elimination method. 4x+5y=3 8x+10y=6
*March 21, 2010 by Scott*

**math**

factorise 7x^2 - 19x + 10 13x - 20 - 2x^2 28n - 10 + 6n^2 please can you show me the method thanks
*April 18, 2010 by tom*

**math algebra**

apply parallelogram method fx=30N fr=? fy=20N theta=?
*July 7, 2010 by Anonymous*

**math**

Use the missing factor method to find the quotient 3/5 divided by 2/3.
*August 4, 2010 by Betty*

**Algebra**

Use the elimination method to solve the following system of equations. x + 3y – z = 2 x – 2y + 3z = 7 x + 2y – 5z = –21
*November 5, 2010 by Dorothy*

**algebra**

Solve by the linear combination method (with or without multiplication). 4g + 5h = 4 8g – 10h = 4
*December 16, 2010 by geddy*

**Psychology**

In testing a theory what type of informal research method did you use?
*March 15, 2011 by Sensystar*

**mathematics**

use inverse method to solve the system of linear equations x+y+z-4 =0 2x-3y+4y-33=0 3x -2y -2z -2= 0
*July 28, 2011 by victor1 *

**bio**

Describe a situation or experience in which you used (knowingly or not) the scientific method.
*August 2, 2011 by Anonymous*

**Cypress**

Suggest any limitations to the use of recrystallization as a purification method for a solid.
*September 6, 2011 by Jennifer*

**math**

use the bus shelter method to work out 1/8 as a decimal
*September 22, 2011 by hayley*

**math**

Using the breaking apart method, what is the best way to multiply 8 by 7?
*October 6, 2011 by jimena*

**maths**

use the inverse method to solve the system of linear equations -x +3y+2=1 2x+5y=3 3x+y-2z=-2
*December 1, 2011 by chrystabelle*

**calculus**

what is the exact area of f(x)= 4x+5 from x=1 to x=4 using the limit of an infinite sum method.
*December 1, 2011 by Regina*

**Calculus**

Integrate dx/xlnx. What method am I supposed to use? I'm totally lost.
*January 2, 2012 by W*

**math problem**

very confused could someone help me with this using the elimination method 5r-3s=16 3r+5s=30
*January 21, 2012 by DJ*

**MATHEMATICS_algebra**

How many integers between 100 and 200 are divisible by 6? (are there any shortcut method to get this?)
*February 5, 2012 by PDF*

**geometry**

Given that P=(2,10) (5,-3) a. Evaluate the inverse P^-1, of P b. use a matrix method to solve x(2,5)+ y(1,-3) =(7,1)
*May 24, 2012 by lindsay*