Wednesday
November 26, 2014

Search: substitution method 7x+9y=39

Number of results: 4,866

Math 116 algebra please check
Solve by the elimination method 3r-7s=-28 7r+3s=70 What is the solution of the system r=7 and s=7
July 16, 2008 by jay jay

Math
Find all real or imaginary solutions to each equation. Use the method of your choice. 3y + 4v 1 = 0
July 30, 2008 by Marilyn

math
solve each of the following equations by the square root method and show all your work
September 7, 2008 by Carlos

math
A straight line with slope 5 contians the points (1,2) and (3,K). find the value of K. do we use this method: y2-y/ x2-x
March 15, 2009 by Anonymous

geology (science)
what method is used to determine the age of a rock formation like a bluff?
April 26, 2009 by scooby9132002

math
3r 2s = 0 2r + 3s = 13 I know that it is m= yx+b I got that much but I dont know where to go from here. Use the elimination method to find the solution system.
June 9, 2009 by janay1978

science
which research method should be used to gather data on the pathological liars and their spouses
July 6, 2009 by marie

algebra
Find all real or imaginary solutions to equation. Use the method of your choice. 3v^2+4u-1=0
July 20, 2009 by Jessica

SCIENCE
A METHOD OF SENDING ENERGY WAVES FROM A SATELLITE TO AN AREA OF EARTH BEING OBSERVED IS?
September 21, 2009 by EIMEE

Math
Find the prime factorization of 198, and write it in exponent form. Show your method.
October 4, 2009 by Anonymous

Algebra 2 URGENT
Solve the problem using the "z" method. Please Show All Work! u^4+6=-5u^2
November 18, 2009 by Trisan

chemistry
describe a method to determine if a solution is made of kci or C6 h12 o6 without tasting it
April 13, 2010 by Anonymous

English
One possible method to begin an essay is A. to paraphrase B. to meditate C. to ask a question B, right? Thanks.
July 8, 2010 by Zack

Algebra
Solve the system of equations by an algebraic method. Leave answer in exact form. 4x - 7y = 21 x + 2y = 99
September 24, 2010 by Neil

math
find x x-5/x-2 = x-9/x-7 Method (x-5)(x-7) = (x-9)(x-2) x^2-12x+35 = x^2-11x-18 I get stuck here help would be must appreciated
October 26, 2010 by peter

Calculus
Use Newton's Method with the function f(x)=x^2-2 and initial value Xo=2 to calculate x1,x2,x3. I have no idea how to do this
October 27, 2010 by Don

Global History
How has the scientific method impact our understanding of the world and the way we study it?
November 2, 2010 by karla

college
Can someone give me an example of a situation where "Scientific method" of psychology would be used.
November 26, 2010 by University of Phoenix

math(algebra 1)
i dont get these please help me: use the subtitution method to solve the linear system 1)3x+y=0 x-y=4 2)y=-3x-1 x-3y=3 3)3x-y=9 2x+y=6 4)x-2y=0 3x+y=0 Thank you!!:)
January 18, 2011 by please help!!!

Calculus
Find the integral of x/ (x^4+x^2+1) from 2 to 3. I was going to integrate using the method for partial fractions but I can't factor x^4+x^2+1.
January 22, 2011 by Rachel

algebra
decide whether each trinomial is a perfect square. if so, factor it. x^2 - 4x + 4 how do i solve this?? i don't understand the method..
January 27, 2011 by brooke

BIOCHEMISTRY
WHAT METHOD CAN BE USED TO PREPARE 0.2M POTASSIUM PHOSPHATE BUFFER USING KH2PO4 AND KOH?
February 28, 2011 by MODI

math
Please give me the technique (short method) in this question... How many 4-digit numbers are multiples of 9?
January 23, 2013 by HELP HELP HELP MNHS

Calculus I
Using Newton's Method, determine the first approximation to the solution of: e^(4x)= 10-2x starting with x=0 what is x1= ??? P.S. ( the 1 is a subscript )
April 8, 2011 by Matthew

psychology
Case study method to investigate a mother's experience in raising a child with autism
April 20, 2011 by Jean

Chemistry
I need the name of the following compounds using the IUPAC method: NH2 CH2 | | Br\/ \/\/
April 25, 2011 by Chris

math
Solve the following system of linear equations using the matrix inverse method 3x + 2y = 7 4x + 3y =10
May 31, 2011 by MATRIX

statistics
give an example of an article that shows the chi-square assumption method of ststistics
July 3, 2011 by jonja

biology
i need an article that can explain the scientific method to create hypothesis or designing an expermient
July 26, 2011 by denise

Science
What are the three different ways that heat can be transferred from one object to another Explain each method
September 27, 2011 by Shion

Calculus 1
Use Newton's method to approximate the root of the equation x^3+x+2=0 with initial guess x1=-1 gives:
October 31, 2011 by Olivia

calculus
Evaluate the following integrals by using appropriate method : ∫cos⁡ ^3 ( 2x-5 )dx help
December 25, 2011 by Jacob

mathematical method of physics
expand 3sin(4x)+4cos(10x) in to functional series of e(exp)ix
December 29, 2011 by galatee

chemistry
Balance this equation by following equations of the REDOX Method. Cu + HNO3 --->Cu(NO3)2 + NO + H2O
January 26, 2012 by David Scott

Math
if f is an exponential function, and f(5)=20 and f(9) = 14, use the add-multiply property to calculate f(13),f(17), and f(21). Show your method
February 19, 2012 by Jake

Chemistry
Balance the redox equation by oxidation number method: Cr2O7 2- + Br- + H+ = Cr 3+ + Br + H2O Please help!
February 24, 2012 by Sarah

Algebra
I have two equations that I need to solve using the elimination method the system is x = y = 9 and 2x - y = -3
February 28, 2012 by Kathy Candell

Maths
Using a cramers and guassian elimination method solve this; a+2b+3c=600 2a+3b+c= 900 3a+b+2c=800
March 6, 2012 by Omotimehin pelumi

Calculus
Q. Find the minimum value of Q=x^2y subject to the constraint 2x^2+4xy=294. Its the derivative method.
March 15, 2012 by help

Maths
Solve:- 5ax+6by=28 , 3ax+4by=18 using cross multiplication method
April 27, 2012 by Ashley

Economics
In 1000 BC, the Chinese people used Cowry shells as a method of currency. Why is this significant?
April 29, 2012 by Labz

child care management
A teaching method that uses computers to help children learn is called ?
May 12, 2012 by jennifer

psychology
In aversive conditioning, therapists attempt to reduce undesirable behaviors using which method?
June 18, 2012 by Anonymous

physics
i want a simple laboratory method of determining a young modulus of a long thine wire
August 21, 2012 by ahmad muhamad chul

Scientific method
Are these people a worker in a farm? Which is the Independent and Dependent variable and Control group.
August 31, 2012 by Nia

Algebra....HELP!!
Use the elimination method to solve the system of equations a + 6b =4 a + 3b = -2 What is the solution in an ordered pair?
September 9, 2012 by Theresa

chemistry
How to balance simple oxidation-reduction reactions by the half-reaction method. Mg (s) + N2 (g)= Mg3N2 (s)
September 30, 2012 by ron

Math
Solve by using the subatitution method. (Please keep fractions as they are, don't convert to decimal.) 1. y= -3x - 1 2x - 3y= -8 2. 1 + 3y= 10 5x + 2y= 6 3. 2x - 6y= -2 x= 3y - 1 4. y= 1/7x + 3 x - 7y= -4
October 3, 2012 by Neil

alegbra 1
Solve the following systems of linear equations using algebraic method. 1)3y=11-2x 3x=y-11 2)8x-6y=14 12x-9y=18
October 31, 2012 by Janet

math
1)d/dx of cos4x/3-x^2(inculding quentient&chain rule) 2)sin^2x/1+cosx(same method)
November 14, 2012 by ani

Math
Find the value of each expression using the pemdas method. 5(to the second power)+8 divided by 2
December 9, 2012 by Mary

maths --plse help me..
solve the following equation by method of completing the perfect square:- 4x^2 + 4 √3 x +3=0
December 13, 2012 by Anonymous

World history; HELP
Help please? 6.Do you think that the Zhou Dynastys downfall resulted from its method of control? Why or why not?
January 18, 2013 by Alfredo

pre algerbra
Please solve the system with the elimination method. Explain each step as it is performed. 5y = x 2x - 3y = 7
February 13, 2013 by Laura

MATH
USE THE AC METHOD FACTORING 9+^2+5+-4 CAN SOME ONE SHOW ME THE STEP TO SOLVING THIS PROBLEM
February 21, 2013 by mace

algebra
Solve the following system of equation using the graphing method. Y = negative X Y = X + 9 Don't know what to do. Thank u if u can helpme.
March 2, 2013 by Josie

Chemistry
Describe an experimental method for the estimation of oxalate in the product, potassium trioxalatoaluminate(III)
March 7, 2013 by ESPINE

math
I have to add 1+2+3+4+5.....all the way to 1000. What method should I use to solve it?
July 7, 2013 by Celest

College Algebra
Solve system by method of elimination 0.07x + 0.02y =-0.07 0.08x - 0.06y = 0.07
July 24, 2013 by Jack

Chemistry
An aqueous solution is 1.33 molality in method determine the amount fraction of methenal and water
August 10, 2013 by Aman

bio 11
must the steps in the scientific method always be followed in the same order? Explain.
September 4, 2013 by alyssa

Algebra
Help I'm stuck I need to factor a trinomial expression using the AC method 15x^2 + 31x + 2
November 1, 2013 by Tracy

chemistry
what is another way you could determine the enthalpy of formation of magnesium oxide beside the experimental method?
November 25, 2013 by Anonymous

reading romeo and juliet
theme: revenge method: verbal irony only 3 examples
May 31, 2014 by reina bonilla

chemistry
Balance by oxidation method the SO2 + MnO4+H2O --MnSO4+H2SO4+SO4(-2)
July 7, 2014 by alex

math
solve using any appropriate method 0.05x+0.25y=99 0.15x+0.05y=108
August 10, 2014 by Keya

statistical inference
find an estimator for theta from gamma distribution using method od moment
September 7, 2014 by saimi

Math
What are different strategies of finding all the factors of a number besides the rainbow method?
September 15, 2014 by Gina

english
in the chapter of the story of keesh what was method of those pepole to coun t age of there children?
October 11, 2014 by ramneek

chemistry
source of errors in determining transport number of k+ ion by moving boundary method
October 15, 2014 by hamza

Accounting
How can I calculate the setup costs of a product using the activity-based costing method?
November 2, 2014 by Lyra

criminology
Is it possible to create a method of capital punishment that would actually deter murder
November 6, 2014 by Dee365

geometry
If PQ=3 and PQ+RS=5, then 3+RS=5 is an example of the ___________. A. multiplication property of equality B. reflexive property of equality C. transitive property of equality D. substitution property of equality
October 3, 2007 by bob

organic chemistry
a careless organic chemistry student was performing "competing nucleophiles in nucleophilic substitution reactions" experiment , and left his container of tert-butyl chloride and tert-butyl bromide open to the air for several hours. what happened to the composition of the ...
October 22, 2012 by lyly

accounting
How depreciation and amortization affect the income statement and the profitability of the company as well as its affect on the income taxes a company pays. Also the advantages of an accelerated method of depreciation and how that affects net income, the balance sheet,AS WELL ...
September 24, 2008 by cathy h

Chemistry
In the experiment of Nucleophilic substitution reactions: Competing Nucleophiles 1)what would happen if all the solids in the nucleophile medium were not dissolved? How might this affect the outcome of the experiment? 2)Explain the order of elution you observed while ...
February 16, 2010 by Jennifer

science
Discuss the importance of each step in the scientific method. Why do you think scientists utilize this type of experimentation and reasoning? (Broken Link Removed) Discuss the importance of each step in the scientific method. Why do you think scientists utilize this type of ...
March 5, 2007 by Trenet

chemistry
write the equations for the substitution reaction of methene with bromine under the following conditions. a) reaction in the presence of sunlight CH4+Br2 sunlight=? b) reaction in the absence of sunlight CH4+Br2 =?
November 22, 2011 by denis

business
Which of the following would be the LEAST appropriate in the closing paragraph of a negative message? Let us know if model #A01 would be a suitable substitution. Our layaway plan will enable you to purchase all the clothes the children need for school. We hope our decision ...
June 2, 2010 by ana

Chemistry
Propose a method for determining the specific heat for a metal like sodium that reacts with water?
September 14, 2007 by Dick Rogers

science
What is the order analytical method fundamental to ? I know two of them are taxonomy, biochemistry. I need to know the third one.
September 15, 2007 by richard

Chemistry
Propose a method for determining the specific heat for a metal like sodium, which reacts with water.
October 15, 2007 by M

Chemistry
Propose a method for determining the specific heat for a metal like sodium, which reacts with water.
October 15, 2007 by M

chemistry
how do I know the ion value of elements on the production side of the equation when balancing with the electron transfer method?
November 14, 2007 by stephanie

College Calculus
Write a trial solution for the method of indetermined coefficients: y''+9y' = xe^(-x)cos(pi*x) ....I have no idea.
February 3, 2008 by Jayme

calculus
You are using Newton's method to solve x^3-5x-2=0. If your first guess is X1=2, what value will you calculate for the next approximation X2?
March 2, 2008 by Anonymous

health
Dry heat is the best method of sterilizaion to disinfect medical instruments I said True
April 22, 2008 by Anonymous

business communication
Suggest options for presenting information audience. Which method do you think is the most effective?
May 14, 2008 by Jaz

algebra/math
use the FOIL method to perform the multiplication. (x^1/2-2)(x^1/2+4) I can not seem to find the answer to this problem. Can anyone help? Thank You!
September 26, 2008 by Ashley

algebra/math
use the FOIL method to perform the multiplication. (x^1/2-2)(x^1/2+4) I can not seem to find the answer to this problem. Can anyone help? Thank You!
September 26, 2008 by Ashley

Financial Management
In using the internal rate of return method, it is assumed that cash flows can be reinvested at
December 1, 2008 by Anonymous

math
what method do you use to solve a number line starting at 0 three blank integers and the fourth is 68?
January 15, 2009 by Naomi-Eliana

science
How do you seperate a mixture of iron and sulphur by means of a phsyical test without using a method
February 11, 2009 by Jeanne

9th grade
one method that the sumerians used to survive and overcome the limitations of their geographical enviroment was?
February 27, 2009 by ricardo

5TH GRADE MATH
HOW DO START A LESSON PLAN USING THE LATTICE METHOD AND HOW WOULD IT BE TEACHED?
March 19, 2009 by JOSEFINA

algebra
Find all real or imaginary solutions to equation. Use the method of your choice. w^2=-225
July 20, 2009 by Jessica

Algebra
Find all real or imaginary solutions to equation. Use the method of your choice. 3v^2+4u-1=0 reposting for help
July 21, 2009 by Jessica

math
using method of partial fractions to decompose this 1/(x-3)(x+3) is 1/6(x-3)-1/6(x+3) correct or have i gone wrong somewhere
October 24, 2009 by mousey

Algebra
What is the best method for Solving equations with variables on both sides? This is the problem: 1(6x-x)=162+12x
November 1, 2009 by Britny

Algebra
please help me!! Solve by elimination method: 3r - 5s = 6 5r + 3s = 44 I thought that I could do vertical addition,when I do, I get 8r - 2s = 50...........but none of the variables are eliminated.
November 23, 2009 by ggift

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