(6x2y)/(x^2+xy2y^2)(3x+2y)/(x^2+3xy4y^2)
189 results

Simultaneous equation
X+y+z=1......(1) x^2+y^2+z^2=35........(2) x^3+y^3+z^3=97.........(3) solution but from 3 (x^3+y^3)=(x+y)^33xy(x+y)......(4) puting 4 into 3 bck (x+y)^33xy(x+y)+z^3=97.......(5) now from 1 x+y=1z......(6) putin 6 into 7 we have (1z)^33xy(1z)+z^3=97 [12z+z^2](1z)3xy(1... 
Derive
Find the derivative of sin(2x + 3y)= 3xy + 5y2. I have this so far 1) cos(2x+3y) * d/dx (2x+3y)= 3xy' + 3y + 5y' 2) cos (2x+3y) * [2 + 3y']= 3xy' + 3y + 5y' 3) 3y' cos (2x+3y) + 2cos(2x+3y)= 3xy' + 3y + 5y' 4) 3xy' + 5y'  (3y(cos(3x+3y)= 2 cos (2x + 3y)  3y If I am wrong, ... 
polynomials
I have to simplify (x^5y^4)^4(3x^2y)^2(1/3xy) I did (x^20y^16)(9x^4y^2)(1/3xy) (9x^24y^18)(1/3xy) 3x^25y^19 Is this correct? Thank you for your help! 
AlgebraPlease check my answers
Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it outplease check I'm really stuck on these problems Simplify 6xy(3xy)^2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^2/8x^2z choices were 3x^2y/2z^3 3x^3y/z^3 3x^3y/2z^3 x... 
AlgebraPlease check my answers
Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it outplease check I'm really stuck on these problems Simplify 6xy(3xy)^2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^2/8x^2z choices were 3x^2y/2z^3 3x^3y/z^3 3x^3y/2z^3 x... 
Math help polynomial
multiply the following polynomial 3x(y^2+2y^2) answer choices 3xy^26xy^2' 3xy^2gxy^2 3xy^2+5y^2 9xy^2 The last one was the answer. Can you tell me how the answer was solved? Thanks! 
bobpursly,
Is this correct now after i revised it Multiply. 3xy^2(5xy4x+6y) 3xy^2(5xy)=15x^2y^3 3xy^2(4x)=12x^2y^2 3xy^2(6y)=18xy^3 so i get from this 15x^2y^312x^2y^2+18xy^3 correct awsome i just thought that the 15x^2y^312x^2y^2 should be combine... 
Math!
1) What is the value of 19 + 5a^4 + 3b^2 when a = 2 and b = 4? (this is not a multiple choice question) but my answer is 147. 2)Combine the like terms to simplify the expression: 4 + 7xy^2 + 5y^3 + 10x 4xy^2  8x  4y^3 + 9  y^6 + 3x^2y^2 + 10x + 13  y^3 + 3xy^2 + 2x + 13... 
Math
I have no clue how to do this as no values were given and im confused. can someone explain plz? if x^3y^3=m and xy=N, express xy in terms of M and N This is one of those pure manipulation problems. you have to know that x^3y^3 = (xy)(x^2+xy+y^2) so n(x^2+xy+y^2)=m (x^2+xy+... 
differential equations
the directions are to determine whether or not the equation is exact if so then solve it. the question is (xy^3+ysinx)dx = (3xy^2+2ycosx)dy i solve and i got that it is exact because My is 3y^2+2ysinx and Nx is 3y^2+2ysinx since m and n are equal then they are exact then i ... 
Algebra
Are these complete? m^2 + 4mn +4n^2 = (m + 2n)(m+2n) 3x^3y^2 – 3x^2y^2 + 3xy^2 = 3xy(x^2y – xy + y) Thank you 
algebra 2
(w + 2t)(w^2  2wt + 4t^2) (x + y)(x^2 3xy + 2y^2) =x^3  3x^2y + 2xy^2 + x^2y 3xy^2 + 2y^3 = x^32x^2yxy^2+2y^3 
Math
How do you factor: 9x^2y^3  3x^3y^2  15xy i got: 3xy(3xy^2  x^2y  5) But how do you factor it further to simplify it? Thx 
Math (quick)
My answer: x^2+3xy+3x+2y^23y Textbook Answer: x^2+3xy+2y^2+3x3y Does the order matter? Thanks. 
Pre Algebra
Simplify: 1: (12xy2z)(3xy) 2: 12xy2z divided by 3xy 3: 2x(2x  5) 4: 2x(2x5) Please help! 
Mathematics
I'm struggling with these! Please help! :) Simplify: 1: (12xy2z)(3xy) 2: 12xy2z divided by 3xy 3: 2x(2x  5) 4: 2x(2x5) 
Mathematics
I'm struggling with these! Please help! :) Simplify: 1: (12xy2z)(3xy) 2: 12xy2z divided by 3xy 3: 2x(2x  5) 4: 2x(2x5) 
Math
My answer: x^2+3xy+3x+2y^23y Textbook Answer: x^2+3xy+2y^2+3x3y Does the order matter? Thanks. 
math
Simplify Please: 1: (12xy2z)(3xy) 2: 12xy2z divided by 3xy 3: 2x(2x  5) 4: 2x(2x5) 
math
Please help. I've been asking about these questions for the past 1 and 30 min. I'm really confused Simplify Please: 1: (12xy2z)(3xy) 2: 12xy2z divided by 3xy 3: 2x(2x  5) 4: 2x(2x5) 
Mathematics
Simplify: 1: (12xy2z)(3xy) 2: 12xy2z divided by 3xy 3: 2x(2x  5) 4: 2x(2x5) 
Mathematics
Simplify: 1: (12xy2z)(3xy) 2: 12xy2z divided by 3xy 3: 2x(2x  5) 4: 2x(2x5) 
algebra
Simplify. Do not use negative exponents in the answer. 12x2y4 3xy7 There should be a line between like a fraction but it did not copy or paste. This is the answer I got 12 x^2 y^4 = 12y^4/x^2 3xy^7 = 3x/y^7 it was wrong. 12x^2y^4 / 3xy^7 = 12/3 * x^2 / x * y^4/y^7... 
Math
factorize the following using. formula #1 : (x+y)^3 = x^3+3x^2y+3xy^2+y^2 formula #2 : (xy)^3 = x^33x^2y+3xy^2y^2 Problem #1 : 8a^3+60a^2+150a+125 Problem #2 : 27x^327x^2y+9xy^2y^3 please tell me how to solve them 
Algebra
–2x(–3x ^2y)(2y) = ? A. 12x^3y^2 B. –3xy^2 C. 3xy^2 D. –12x^3y^2 
Algebra  Equations
If 3xy = 9xz = 12yz = 1, what is the value of x, y, and z? This is just a set of 3 equations: 3xy=1 9xz=1 12yz=1 ⇒(18xyz)^2=1 ⇒ xyz = ± 1/18 ⇒ (x,y,z) = ±(2/3,1/2,1/6) PLEASE TELL ME HOW DID THE SOLUTION CAME UP WITH xyz = ± 1/18 and (x,y,z) = ±(2/3,1/2,1... 
math,algebra,help
Okay now i need explanation how to do these types of problems. Directions: Divide Problem: (7x^5y^521x^4y^4+14x^3y^3)/(7x^3y^3) Realize that you have 7x^3y^3 on the bottom. Now in order to get rid of that, you want to have the same thing in the top, multiplied by something ... 
Calculus
Let 5x^2  3xy + 58 = 2y^3 Use implicit differentiation to find y' for the above equation. The first thing I did was move 2y^3 over to that everything is equal to 0. With the 3xy I used the product rule and expanded that. After solving I got.... 10x(3 * y + 3x * 1dy/dx) 6y^... 
Algebra
I'm having trouble working out these problems. Could someone please assist? with this first one do I factor the x^2 + 3xy  18y^2 first? x  3y * x^2 + xy  30y^2 / x^2 + 3xy  18y^2 3a^3b^2 * 4a^2 + 2ab + b^2 8a^3  b^3 12ab^4 3y + 12 / 9y+36 8y^3 16y^3 Susan I see these are ... 
math
(3xy10)(xy+5) 
algebra
(6x2y)/(x^2+xy2y^2)(3x+2y)/(x^2+3xy4y^2) 
joool
3y^26x^23xy=0 
algebra
x^2+2y^23xy for x=2 and y=3 
algebra
x^2+2y^23xy for x=2 and y=3 
Math
(3xy^2)^2(2x^5y^3)^3 
Math
3xy   x 2  when x = 1.3, y = 2/5 
Algebra
If x^2y^2+x^3y^4=(3xy)^2,then xy^2= a. 1.5 b.4 c.8 d.16 e.64 
Math
(3xy5ysquare)(4x) 
algebra
2x3xy ________ 2x y 
math
(2x^5y3)^4*3xy^2 
math
(2x^5y3)^4*3xy^2 
math
evaluate 5x^2+3xyy^2 when x=3 and y=3 
cleveland
1/ 3xy^3  8/ 15x^2y 
MATH
3xyysquare=2 and 2x 3y=4 
math with cal
f(xy)= x^2e^3xy find fx fy (1,1) fy (3,3) 
10th grade
2y^2*3xy^3 divided by 3x^2y^4 
Geometry
midpoint of L. 1/3XY = 3. What is the midpiont of XY? 
maths
how do I solve 3xy^3dy/dx=y^2x^2+5x^3y+y^4 
calculus
How do I solve 3xy^3dy/dx=y^2x^2+5x^3y+y^4 
math
12x^2y6xy^2/3xy 
math
simplify this expression (3xy)^2(2x^2z)^3 
Math
If x=4 and y=1,find the value of 3xy 
Math
Simplify: (1/5x^4+1/3xy^2+1/2y^2)+(6/5x^2y^2+2xy^2+11/6y^2) 
Math
Interval it exists on: (5x)y"+3xy'y=1 y(0)=2 
math
Solution of the equation 4/x5/y=x+y/xy+3/10 and 3xy=10(yx) 
maths
x23xy+y2+1=0, 3x2xy+3y2=13 
Math
Help. solve simultaneously x^2+y^2=13 and x^23xy+2y^2=25 
calc
derivative of y=sqrt2x3xy+2 
algebra
whats the answer to 3xy(2x^2+5xy7y^2 
college math
can you help me factor 3xy@+9xy+6x= 
Calc
The curve 3y^2 3xy +2x^3 = 7 has vertical tangents when: a. y=x b. y=2x c. 2y=x d. y=3x e. 3y=x 
MATH
THE LINE Y=X+4 INTERSECTS THE CURVE 2X^2 + 3XY  Y^2 + 1 = 0 
MATH
THE LINE Y=X+4 INTERSECTS THE CURVE 2X^2 + 3XY  Y^2 + 1 = 0 
Calculus
what is the curve given by the equation x^3=3xy^2+y^3=1 what is dy/dx? 
calculus
find implicit derivative of 2y^2  x^2 = 3xy + 5 
Algebra
Simplify the rational expression (x^2+xy2y^2)/(x^2+3xy+2y^2) 
Algebra 2
Simplify the rational expression (x^2+xy2y^2)/(x^2+3xy+2y^2) 
math
if x,y are integral solution of 2x^23xy2y^2=7 then value of x+y is: 
Calculus i need help
Find dy/dx if x^2.y+sin(xy)+y^4.x^2+3xy=5??? 
calculas
Please help don't understand how to solve it. 3xy6x+2y^2 dx/dt=6 x=2 y=3 thank you 
cal
find dy/dx implicitly, given x^3+y^3=3xy 
calc
Is there an easy explanation of implicit differentiation? Where do I start to solve y" given 1) x+xy=y=2 2) x^33xy+y^3 Please help!! http://www.math.ucdavis.edu/~kouba/CalcOneDIRECTORY/implicitdiffdirectory/ImplicitDiff.html Take the first one (read the examples in the link ... 
algebra
perform and simplify sqrt 12x^3 . 3xy^2 
Algebra
can you please help me with a math problem? 3xy^2 + 3x2y 2y^3 = xy + 2 
differential calculus
find the implicit function of x^3+3^y=3xy 
algebra
what is the value of the expression 2xsquare+3xy4ysquare when x=2 and y =4? 
math
How many ordered pairs of integers solutions (x,y) are there to 2x^2+3xy+y^2+2x+y+18=0? 
Math
If x=2and y=3what is the value of 2x3xy2y2 
Math
Evaluate the expression for the given value. x = 2; y = 3; z = 1 2x^2y  3xy^2z  xz = 
Math
Need help with solve the system of equations x^3y^2=7.75. And 3xy+y=3.5 
mathematics
Solve the differential equation x^2dy+ (x3xy + 1)=0 
Math
Diffrentiate implicitly with respect to x. Solve for y' 3xy  2x^2 + 5y^2 =7 
Vectors
why does this equation 3xy +y = 0 represent two planes? 
math
x2/3x+1,determine the inverse. x= y2/3y+1 x (3y+1)=y2 3xy+x=y2 (where do i go from here if i am going right) 
calculus
what is the equation of the tangent line to the curve x^3 + 2y^2 + 3xy = 6 at the point (1,1)? 
algebra
add if possible simplify the expression (8x^3y^2+5x^2y^2+6xy^2)+(4x^3y^23xy^2) 
precalculus
ROtate the conic so that its equation 3xy4y²+ 18=0 has no xy term 
Elementary algebra multiple choice
2x^2+3xy4y^2= (A) 9x^24y^2 (B)9x^2+4y^2 (C)9x^2+4y^26xy (D)9x^2+4y^212xy 
Find the GCF of the monomials
3xy, 6xz, and 9yxz is ___________________________ 
Math
Find the general solution F(x,y)=C of the differential equation: (3(x^2)y8x)dy+(3xy^28y)dx=0 Where F(x,y)=___________________ 
College Algebra
What is the leading coefficient and degree in these two problems? 1). 4x^3y  3xy^2 + x^2y^3 2). x^5y + 2x^2y^2 + xy^4 
Math
arramge terms in each polynomial in ascending powers of y. y^3+xy^2+y+22x^2t+3xy^3+x^3 please help. 
Algebra
Factor x^2  3xy  18y^2 I am not too sure if this is right, but any help is appreciated! Thanks! (x – 6y) (x + 3y) is this correct? 
algebra
6x^2y^3(3xy^^2 ______________ xy^2 Perform the operation and answer in simplified form. 
CALCULUS
Find the relative extrema of function. f(x,y)=x2+3xy+y210x20y+12 
Math
what is the result when 2x^2+3xy6 is subtracted from x^27xy+2? show your work. please help me! 
Calculus
Find the equation of the tangent line to the curve x^(3)+3xy+y^(3)=1 at the point (1,0). 
Algebra 1
2x(3xy + 4y² + 8y) 6x²2xy + 2x4y² + 2x8y 12x² + 10y² 
Mathematics
Differentiate the following implicit dunction and find dy/dx ln (3xy)=2xy^2 
MATH
Simplify: 3xy + 6x^2 4xy  2y^2 ___________ ____________ * then 2y 9x^2 y^2 / (divide by) 4x^2  y^2 Thank you so much!! :)))
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