substitution method 7x+9y=39

6,086 results, page 18

Algebra

The teacher wants us to do the following problem by using substitution. I don't think I am doing it right. 4x - 12y =5 -x + 3y = -1 Those two equations are for parallel lines that never intersect. There is no solution. If you substitute 3y +1 for x in the first equation, you ...

Calculus

int(dx/(x^2+9)) u = x/3 Use the indicated substitution (above) to evaluate the integral. Confirm answer by differentiation. Okay, so I found that du/dx is 1/3. dx is 3du. Just by looking at the integral I can tell this is some form of tan^-1(x), if we change it to int(1/(x^2+9...

Calc: euler's method

Use Euler's method with step size 0.2 to estimate y(1), where y(x) is the solution of the initial-value problem below. Give your answer correct to 4 decimal places. y' = 1 - xy y(0) = 0 y(1) = ____ ? ... help, this is what i've done but got the wrong answer.. h = 0.2 x0 = 0 y0...

Algebra 222

How do I use substitution to solve the system? Please help Addition and equal key is not working . It's asking for x equals and y equals. -5x plus 2y equal 16 y equal 2x plus 7

Chemistry

what happens in a condensation reaction head-to-tail joining of monomers side-by-side joining of monomers cross-linking of monomers*** substitution of halogen

math

Graph using the intercept method: 2x + y = 4. i just cant get it

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

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