# mathematics

If 3xy^3 - 4x = 10y^2, find y ' (x)

a) (4 + 3y^2)/(9xy^2 + 20y)
b) (4 - 3y^2)/(9xy^2 - 20y)
c) (3 + 4y^2)/(20xy^2 + 9y)
d) (3 - 4y^2)/(20xy^2 - 9y)

1. 👍 0
2. 👎 0
3. 👁 254
1. why don't you show us some of the steps you would need to arrive at the correct answer of b) ?

1. 👍 0
2. 👎 0
2. 3y^3+9xy^2*y'-4£½20y*y'
y'=b)

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Math

Given These Equations x+y=9.0 .50x+.20y=3.90 Find the values of X and Y.

2. ### Math

the product (2x^4y)(3x^5y^8) is equivalent to? a.5x^9y^9 b.6x^9y^8 c.6x^9y^9 d.5x^20y^8 e.6x^20y^8

3. ### differential equations

the directions are to determine whether or not the equation is exact if so then solve it. the question is (x-y^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

4. ### math

Find the solution to the system of equations given below using elimination by addition. 5x + 20y = 40 x + 3y = 6

1. ### 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

2. ### algebra

What is the equation of the given line in standard form? Use integer coefficients. y = -6.9x + 5.1 A. -69x + 10y = -51 B. 69x + 10y = 51 C. 69x + 10y = -51 D. -69x + 10y = 51 how would I solve it steph by step? I think the answer

3. ### math

the dashed figure is a dilation of the original figure find the scale factor. classify the dilation as enlargement or a reduction? (10x,10y) (-10x,-10y) Idk how to do this lesson 8 : applications of proportions unit test Algebra 8

4. ### Math inequalitites

Hi, I need some help with some inequalitites. Thanks!! Use graphs to find the set. 1.(-9,0) intersection [-4,] I got [-4,0) 2. (-9,0) U [-4,10] I got (-9,10] Solve the linear inequality. Other than (empty set, use interval

1. ### simplex method

Maximize P=60x+50y. ⎧ ⎪x+y≤80 ⎪ ⎪5x+10y≤560 ⎪ ⎪50x+20y≤1600 ⎪ ⎪x≥0 ⎨ ⎪y≥0 ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎩ Use the simplex method to solve the problem. Use s, t, and u as your slack variables for the

2. ### Maths

A car showroom had 10y cars, 20y motorcycles and 18 vans. In a particular month, 4y cars , 3y motorcycles and 15 vans were sold. a.) Find the total number of wheels on the remaining vehicles in terms of x. b.) If y=21, how many

3. ### math

Maximize P = 4x + 20y subject to these constraints: 2x + 15y ≤ 700 5x + 10y ≤ 1150 5x + 5y ≤ 1000 4x + 15y ≤ 980 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, and u4

4. ### algebra

How do I solve this with the elimination method? 5x-10y=4 5x-10y=5 I need x=, and y= to get an ordered pair, but every time I mult. by a neg, everything goes away instead of just one variable! please help!