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December 9, 2016

Search: substitution method 7x+9y=39

Number of results: 5,838

Pre-Calc/Trig...
Solve using any method. 1. 2x^2+5x-3=0 2. -x^2+x+1=0
October 15, 2014 by Anonymous

Calculus 2
use the method of equating coefficients. integral of (x^3+5x^2+12)/((x^2)(x^2+4)) dx
February 4, 2015 by Matt

PLEASSSSE HELP
Solve by the elimination method. 9x−  y= 11 x+3y= 23
February 5, 2015 by mako

algebra
solve using ac method 10a^2-27ab+5b^2
March 9, 2015 by Stephanie

gips ghoman
6=6x+6y -14=18x+14 use elimination method
June 21, 2015 by Raman

Suhaib
Solve x^n by abinitio method check ur ability nw?
July 4, 2015 by Anonymous

IPV
Solve the equation by Gauss elimination method 6x+3y-z=7 5x-9y+4z=4 8x+5y-z=11
September 12, 2015 by Hari prasad A

maths
The number 8100 can be factorised as a2×b4×c. What is the value of (a+b)? With method
January 23, 2016 by sanjay

algebra
using cross multiplication method solve 3x+5y=25 , 7x+6y=30
March 20, 2016 by manikandan

English
Quick question. Can wittiness be a method for satire?
July 4, 2016 by Justine

matg
Solve the system of equations by the elimination method 9/x++3/8y=-9/4 and -1/9x+5/4y=1/9
July 30, 2016 by keila

maths
2x-y+3z=9,x+y+z=6x-y+z=2 solve equation on matrix inversion method
October 2, 2016 by matrix

Math
Solve using the elimination method. 2x/5 + y/2 = 3 x/2-y/6=2 Please and Thank you
October 4, 2016 by Madison

Gaussian Elimination Method
z-d-b=200 z +2b=250 b=150
October 30, 2016 by lAURIE

mathematics
solve m2+6m+7 using completing the square method
November 4, 2016 by anthony

chemistry
Cu+HNO2-Cu(NO3)2+NO solved by oxidation no. Method
November 26, 2016 by sakul

ORGANIC CHEMISTRY
WHICH ONE OF THE FOLLOWING ALKYL HALIDES GIVES THE HIGHEST RATIO OF SUBSTITUTION TO ELIMINATION ON TREATMENT WITH SODUM ETHOXIDE IN ETHANOL 1-BROMOPENTANE 2-BROMOPENTANE 3-BROMOPENTANE 1-BROMO-2-METHYLBUTANE 2-BROMO-2-METHYLBUTANE
July 27, 2008 by Jake

Math
The Captain of a freighter 8km fromthe nearer of two unloading docks on the shore finds that the angle between the lines of sight to the docks is 35 degrees. if the docks are 10km apart, how far is the tanker from the farther dock? My answers : idont know whis one is right ...
May 24, 2008 by Tareena-- check my answer please

Accounts
I have a question and I need to prepare the final accounts. In the additional information one of the questions is as follows: Machinery is depriciated at 10% per annum using the Straight Line Method, whilst Computer Equipment is depreciated at 15% per annum using the Reducing ...
February 1, 2008 by Claire

Statistics/Probability
3. On a given evening, two roommates, roommate A and roommate B, are arguing over who should control the television remote. Roommate A suggests a game of rock-paper-scissors to settle the dispute. It's the first time that the roommates have played each other in rock-paper-...
July 7, 2013 by y912f

chemistry
Please, will someone help me balance this equation? There's always one element I just can't seem to balance. Cu+HNO3===>NO2+Cu(NO3)2+H20 Thanks for the help. Try this. Cu + 4HNO3 ==> 2NO2 + Cu(NO3)2 + 2H2O You're a genius! Do you think you could tell me how you ...
March 5, 2007 by Fidelia

Algebra 2
Solve each system. x-4y-6z=-34 -7x+5y-7z=-24 z=5x-7y+18 These are my answers below but I know that they are wrong: x=-3894 y=-112852 z=-107,509,144 I have tried to solve this system probably 10 times, and still not getting an answer that checks back into the original equation...
January 29, 2016 by Taylor

Drugs n Dosages
Dr. Bartles has written an order for 375 mg of Amoxil for his patient, Jonathan Becker. The medication is to be given every 8 hours. Troubled Terry used the formula method to calculate the amount to administer in teaspoons. Here is his work: D = 375 Q = 5 H = 250 375 x 5 = A ...
May 1, 2012 by Anonymous

C#
Write a two class application that has a one-dimensional array as a data member. The array stores temperatures for any given week. Provide constructors for instantiating the class and methods to return the highest temperature, lowest temperature, average temperature, and the ...
August 12, 2013 by C#prog

Computer Science
Create a class called Shapes that has a private int field named radius and the proper get- and set- methods (according to our Java coding standards). Create a constructor that takes an integer as a parameter to initialize the radius. Create a void method called report() that ...
January 28, 2016 by Justin

Economics(Please check, thank you)
Is leisure time considered an inferior good when the substitution effect dominates? I think that the answer is yes because if you are willing to work more hours in order to make more money than you do not value leisure time that much. Is this correct? Thank you!
April 19, 2013 by Hannah

chemistry
A chemical analysis indicates that a silicon crystal weighing 100g contains 16.5 mg of aluminum (Al) which is substitution-ally incorporated (the Al atoms replace some of the Si atoms). What is the number of extrinsic charge carriers in this crystal? Express your answer as ...
April 26, 2013 by Anonymous

math
Hello tutors by any chance is there anyone who can assit me with theprevious problems that i posted..dealing with math subject Here is a website explaining how to invert a 3x3 matrix. http://www.everything2.com/index.pl?node_id=1271704 Many steps are involved and I cannot show...
July 22, 2007 by student

Calculus
These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the population grows ...
November 16, 2014 by Anonymous

Math
How do you solve this by substitution? x=6y+2 3x-18y=4 This is the answer I get: 3(6y+2)-18y=4 18y+6-18y=4 18y+1818y+6-18y+18y=4 36y=10 36 36 Y=5/18 3x-18(5/18) =4 3x-5+5= 4+5 3x= 9 3 3 X=3 (3, 5/18)
March 23, 2014 by Please help

programming c#
how do I Write a two class application that has a one-dimensional array as a data member. The array stores temperatures for any given week. Provide constructors for instantiating the class and methods to return the highest temperature, lowest temperature, average temperature, ...
October 2, 2013 by bo

Statistics/Probability
2. Two roommates, roommate X and roommate Y, are expecting company and are arguing over who should have to wash the dishes before the company arrives. Roommate X suggests a game of rock-paper-scissors to settle the dispute. Consider the game of rock-paper-scissors to be a ...
July 7, 2013 by y912f

Urgent =Math
17. Tell whether this survey describes a good sample and if so, name the method of sampling used. Every sixth person leaving a restaurant is surveyed to determine their favorite food from the menu. yes, random******** yes, systematic yes, stratified not a good sample 18.Tell ...
May 6, 2016 by Monica

math help please
Posted by keri on Wednesday, November 13, 2013 at 1:08am. Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is ...
November 13, 2013 by keri

7th grade math
How would you solve the problem below using subsitution method? 7x - 2y = 5 x = y If you could explain and show this step by step, it would help a lot. How would you solve the problem below using combination method? 3x - 2y = 12 -3x + 8y = -6 If you could explain and show this...
April 9, 2012 by saranghae12

calculus
The following definite integral can be evaluated by subtracting F(B) - F(A), where F(B) and F(A) are found from substituting the limits of integration. \int_{0}^{4} \frac{1600 x +1200 }{(2 x^2 +3 x +1)^5}dx After substitution, the upper limit of integration (B) is : and the ...
March 8, 2014 by ricky

college algebra need help asap
Solve the system of equations using substitution. 2x−8y = 2 x+4y = 0 What is the solution? Select the correct choice below and fill in any answer boxes in your choice. A. m (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution.
February 5, 2015 by mako

Managerial Accounting
During June, the receipts and issuances of Material No. A2FO are as follows: Received June 3 1,100 units @ $15 16 1,700 units@ $17 29 900 units@ $18 Issued June 11 700 units 4 Job No. 116 18 1,900 units 4 Job No.117 30 800 units 4 Job No. 118 A) Determine the cost of each of ...
February 16, 2012 by Ryan

Accounting
Bus Acquired Cost Salvage Value Useful Life in Years 1 1/1/13 $98,100 8,000 5 (straight-line) 2 1/1/13 129,000 11,900 5 (decline balance) 3 1/1/14 79,780 8,200 4 (units-of-activity) For the declining-balance method, the company uses the double-declining rate. For the units-of-...
April 6, 2015 by Anonymous

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

Calculus I (PLEASE HELP!)
These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the population grows ...
November 16, 2014 by Anonymous

java programming
Provide a class called Letter for authoring a simple letter. The letter class has three data fields, the name of the sender, the name of the recipient, a body of the letter. 1. Supply the class constructors (default , and overloaded ) 2. Supply a method. Public void addLine (...
January 20, 2011 by JJ

Math
Could you please show me how to do this? It says to use the elimination method. 2x-y+2z=-7 -x+2y-4z=5 x+4y-6z=-1
September 24, 2007 by Geno

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

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

SOCIAL STUDIES/ GOVERNMENT
WHICH OF THE FOLLOWIN IS A METHOD OF FORMAL AMENDMENT ???
February 24, 2008 by EDGAR

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

algebra
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

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

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

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

Calculus
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

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

Algebra
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

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

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

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

Math
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

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

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

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

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

math
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

Accounting2
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

math
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

algebra
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

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

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