July 26, 2016

Search: substitution method 7x+9y=39

Number of results: 5,665

Science/ L.A.
How many words can you get from the letters in Scientific method? examples: -tin -do -the
November 8, 2007 by jakhajgakl

how do you purify Biphenyl contaminated with Fluorene? what is the method and solvent?
November 12, 2007 by Sonam

February 24, 2008 by EDGAR

Solving for systems of equation using the elimiation method. 3x-2y=x-6 3(x+2y)=3
April 3, 2008 by G

System of equations, the addition method 3x-3y=6 3x+3y=0 Whats the answer?
May 21, 2008 by noelle

Algebra 2
how do I solve -15x-2y=-31 4x+6)=11 using linear combination method?
September 22, 2008 by raya

solve -15x-2y=-31 4x+6y= 11 using linear combination method?
September 22, 2008 by Anonymous

solve -15x - 2y = -31, 4x + 6y = 11 using Linear Combination Method?
September 22, 2008 by Anonymous

solve -15x - 2y = -31, 4x + 6y = 11 using Linear Combination Method?
September 22, 2008 by Anonymous

washer method!? Find the volume of y=x^2+3, y=3, between [0,2] around y=3
December 16, 2008 by Andrew

algebra-need quick
solve the system by addition method 7x^2+y^2=49 7x^2-y^2=49
February 25, 2009 by adam

algebra- help needed fast
solve the system by addition method 7x^2+y^2=49 7x^2-y^2=49
February 26, 2009 by Anonymous-2

how do i do the missing factor method to find the quotient of 3/5 divided by 2/3
September 12, 2009 by Christy

Can 2x^2+5x+10=0, be factored? If not, how do use, completing the square method for this equation? Thanks!
September 20, 2009 by Swtpllypb

Find the GCF of the numbers 52 and 405. Show your method.
October 4, 2009 by Anonymous

Use the common denominator method to solve 3/5 divided by 2/3
October 9, 2009 by Kara

What method is use to determine the location of protein synthesis?
November 21, 2009 by shirui

using the elimination method ...does this problem have an answer?...if so how do you get it... 5r - 4s = -21 4r + 5s = 57
November 22, 2009 by Kimberly

How do you solve this factoring problem by foil method: 25x2=16
November 28, 2009 by Kate

1) x+8y=33 -x+4y=3 I need help solving this one using the elimination method!
March 13, 2010 by Kristin

solve by addition method: please show work. -3x + y = 3 2x -3y =7
March 14, 2010 by HELEN

How is the receipt of a dividend recorded under the equity method?
March 28, 2010 by Karla

If I use the method of completing the square on 3w^2-4w+1=0 How would I solve??
April 20, 2010 by I need some explaining

Were to switch inventory method under GAAP? Why or Why Not? If they are how to go about doing it?
May 16, 2010 by Lynda

pre calc
solve following using "elimination method" 3x^2 + 4y = 17 2x^2 + 5y = 12
May 19, 2010 by Keith

factor by the method of using trial factors....2t squared + 4t - 30
June 11, 2010 by Lynda Smith

math 116
solve by the elimination method. 7r-3s=53 3r+7s=31 What is the solution of the system?
August 15, 2010 by Tanya

Factorise 4x^2-7x+3= and 6x^2+10x-5= Thanks Method would be good-as I am stuck.
November 2, 2010 by George

AP Chemistry
What is the Dumas Method in regards to the molas mass of a gas?
November 4, 2010 by D

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

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

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

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

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

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

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

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 :)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

(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

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

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

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

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

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

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

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

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

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