Homework Help: Calculus

Posted by Kelly on Saturday, July 17, 2010 at 4:13pm.

Both x and y denote functions of t that are related by the given equation. Use this equation and the given derivative information to find the specified derivative.

Equation:35x^2+20y^2=1

Given that dx/dt=4, find dy/dt

when (x,y)=(1/7sqrt2, 1/5sqrt2)

Calculus - Damon, Saturday, July 17, 2010 at 4:58pm
70 x dx/dt + 40 y dy/dt = 0

280 x + 40 y dy/dy = 0

280/7sqrt2 + 40/5sqrt2 dy/dt = 0

Answer this Question

Related Questions

composite functions - f(x)=2x-4, g(x)=x squared + 5x What is F o G and Domain ...
Geometry - Given: 7x + 2 = 2 + 5x – 6 Prove: x = –3 Given the ...
calculus - given the functions: f(x) = x^2 - 1, g(x) = x/x + 2 Why is x^2 - 1/x^...
Advanced Functions Math - Given the equation y=2^x, predict the equation for ...
precalculus - Find (a) the equation of a line that is parallel to the given ...
Calculus - "I would like to integrate the following equation. It is a ...
calculus - f*(x) = lim as h -> 0 [f(x+h)-f(x-h)]/ h write an equation ...
Math - Suppose that x and y are related by the given equation and use implicit ...
calculus - help needed!!! how would you go about drawing the graph of a ...
calculus - find an equation for the line with the given properties. express the ...

For Further Reading

First Name:
School Subject:
Answer: