# 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