# substitution method 7x+9y=39

6,065 results

**science**

Sedimentation as a method of water purification results in

**Math 116 algebra**

solve by the elimination method 3r - 7s = -28 7r + 3s = 70

**Life science**

What are the twelve steps in the scientific method?

**college board**

what does the SQ3R method stand for?Example: S- Q- R- R- R-

**4th grade math**

What does computation method mean?

**physics**

easy method to solve questions on ap,gp,agp?????????????????????

**Math**

Give an example of Partial sums method.

**calculus HS**

Analtical method to evaluate Lim X -> -infinite

**Algebra 2**

Solve the system using any algebraic method. 22.)2x-5y=4 23.)5x+7y=12 24.)3x-4y=6 3x+4y=9 3x-2y=8 4x+7y=1 Thanks!

**maths**

could you explain me that how to take LCM in division method ?

**math**

In the percent-of-sales method, an increase in dividends

**college**

solve by the elimination method 4x+8y=8 -4x+y=10 What is the solution of the system?

**math help please**

solve the system by the elimination method: 5x+3y=-13 & 7x-2y=11

**math**

how can i find the produt of 17 and 38 using the box method

**Advanced functions**

Solve x^3 -3x^2 +5x +4 = 0 using Tartaglia's method.

**Advanced functions**

Solve x^3 -3x^2 +5x +4 = 0 using Tartaglia's method.

**algebra**

solve by the subtitution method. 2x+3y=8 -6x+y=36 I came up with (-2,-6) am I close

**Maths**

x/2 + x/4 = 1 the answer is 1 1/3 can you show me the method please thanks in advance :)

**algebra 2**

Solve the system by the addition method x+3y=-2 5x+15y=-10

**9th grade**

how do you find volume by the displacement method?

**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

**Math**

Solve this pair of equations by the elimination method: 4x-3y=-4 3x=2y-4

**Algebra**

Slove each system by substitution. 4x = y - 1 6x - 2y = -3 I have already attempted this problem and couldn't figure out what I should do. I came out with 4x + 1 = 3x + 1.5 I think this looks right because our teacher told us that for this specific problem that we should get a...

**Economics**

Would 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

**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 ...

**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

**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 ...