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substitution method 7x+9y=39

5,992 results

psychology
what is an example of a time that the correlatiom method was used?

College Algebra
solve using the elimination method x-7y=46 2x-7y=43

calculus
y=¡î(9-x©÷) find the x-axis using the disk method?

Maath
Use the elimination method to solve each system. How do you do this? {u+4y=11 7u+3v=2

Maathh
Describe the method of graphing by using intercepts.

Math
Describe the method of graphing by using intercepts?

algebra
help me solve the following using the elimination method: 6x+7y+2=0 and 7x-6y-26=0

Math
Use the echelon method to solve the system: x + 3y + 4z = 14 2x – 3y +2z = 10 3x – 9y + z = 9

psych
when and why is correlational research method used in a study?

math
what is the prime factorization of 34 in tree diagram method

math
use the foil method to find the product.(9x^7-3)(x^9-2).

Calculus
lim x->1 (x^47-1)/(x^9-1) With what method do I factor them with? Pascal triangle?

math
find x x^2-3x-4 = x^2 +11x+24 please can you show me you method thanks

finite mathmatics
elimination method 5x + 6y = -75x - 3y = 146

Math
Solve by the elimination method 7x-y=17 x+7y=31 What is the solution of the system?

college algebra
would this be foil method? If so how do I solve. x-1 x-5 = x+3 x+4

math
find volume using disc method y=x^2,y=0,x=0,x=5

math
multiply 2x57 using napier method

Math
solving using the solution method. x+10y=41 x+9y=37 =

Math
Solve using the elimination method 3x+11y=34.5 9x-7y=-16.5

algebra
solve the elimination method 7r-3s=0 3r+7s=58 what is the solution of the system

biology
How to write an outline for scientific method experiment

Math 116AA
Solve using the multiplication method 5/6x=-7/6 X=

Algebra
Use the FOIL method to find the product (3x^2-5)(x^5-9)

Math
Solve the equation by the substition method. x-y=11 3x+10y=-6?

Math
Solve the equation by the substition method. x-y=11 3x+10y=-6?

please help
solve using appropriate method. 3a-12b=9 4a-5b=3

Chemistry
So,my second method is correct isn't it? The answer is -78.4kJ?

Intermediate Algebra
Using the foil method,multiply....(2/5t-1)(3/5+1)

intermediate algebra
Factor using the AC method..6x^3-4x^2-10x

Math
Linear equations using matrix method 2x-4y=0 3x-2y=3

Math
Linear equations using matrix method 2x-4y=0 3x-2y=3

math/116
solve x+y=7 x-y=5 using elimination method

intermeidate algebra
solve using elimination method -3x+4y=1, -6x+6y=-3

science
how the method you mentioned can prevent food spoilage

Algebra....HELP!!
Solve the elimination method 7a + 6b = 3 -7a +b = 25 The solution of the system is?

algebra
how to graph point-plotting method this equation? x=y^2 + 2

math
use any method to estimate 667-651

ALGEBRAIC METHOD
HOW CAN I SOLVE THE INEQUALITY GRAPHICALLY 3X^2 + 10X - 8 > 0

math
Estimate the product of 2/3 and 31. Describe your method. Please help me.

Algebra
What is the answer to 7x+2y=16 and -21x-6y=24 using the substituion method?

math
CONSTRUCT BY COMPLETING D SQUARE METHOD:-5 ND ¾

Math
solve by the elimination method 5u+3v=-17, 2u+v=-7 would there be a solution or not?

math
use Method of variation of parameter y''+y = tan^2 t

math
1000 [? ] 81 [?] 190 = 10 use BODMAS method

math
what is square root of 0.31428 from divison method.

math
what is square root of 0.31428 from divison method.

math
Do I use the Foil method to find the product of (9-3i)(9+4i)?

Math
2x-5y=3 and -4x+10=-6 is there a solution. Use any method to solve if possible

algebra
Hoe can I solve this by using elimination method.?? 5y+2x=5x+1 3x-2y=3+3y

networks
what method can be used to reduce packet jitter

Math
solving using the elimination method 2r-7s=-6 7r_2s=32

science
how do you covert 0.779 kl to l to ml to hl using the decimal method

Pre-Calc/Trig...
Solve using any method. 1. 2x^2+5x-3=0 2. -x^2+x+1=0

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

PLEASSSSE HELP
Solve by the elimination method. 9x−  y= 11 x+3y= 23

algebra
solve using ac method 10a^2-27ab+5b^2

gips ghoman
6=6x+6y -14=18x+14 use elimination method

Suhaib
Solve x^n by abinitio method check ur ability nw?

IPV
Solve the equation by Gauss elimination method 6x+3y-z=7 5x-9y+4z=4 8x+5y-z=11

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

algebra
using cross multiplication method solve 3x+5y=25 , 7x+6y=30

English
Quick question. Can wittiness be a method for satire?

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

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

Math
Solve using the elimination method. 2x/5 + y/2 = 3 x/2-y/6=2 Please and Thank you

Gaussian Elimination Method
z-d-b=200 z +2b=250 b=150

mathematics
solve m2+6m+7 using completing the square method

chemistry
Cu+HNO2-Cu(NO3)2+NO solved by oxidation no. Method

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

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 ...

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 ...

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-...

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 ...

M240 Help please
Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination. a. 3x1 + 5x2 - 8x3 + 5x4 = -8 b. x1 + 2x2 - 3x3 + x4 = -7 c. 2x1 + 3x2 - 7x3 + 3x4 = -11 d. 4x1 + 8x2 - 10x3+ 7x4 = -10 my answer = B

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 ...

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 ...

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 ...

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...

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!

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 ...

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...

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 ...

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, ...

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 ...

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)

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 ...

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 ...

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...

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 ...

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 ...

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-...

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 ...

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 (...

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.

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

Science/ L.A.
How many words can you get from the letters in Scientific method? examples: -tin -do -the

Chemistry
how do you purify Biphenyl contaminated with Fluorene? what is the method and solvent?

SOCIAL STUDIES/ GOVERNMENT
WHICH OF THE FOLLOWIN IS A METHOD OF FORMAL AMENDMENT ???

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

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