Search 72,382 tutors
Search for tutors
Ask a question

Ask questions and get free answers from expert tutors


The length of a rectangular piece of steel in a bridge is 3 meters less than double the width.The perimeter of the piece is 36 meters. Find the length of of the piece of steel. Find the width of the...


A newspaper carrier has $4.10 in change. He has 4 more quarters than dimes but 3 times as many nickels as quarters. How many of each coin does he have.

Find d^2y/dx^2?

If x=sin t and y=cos^2 (t), find d^2y/dx^2 at t=pi.   Can you please find d/dt and dy/dx? That's the only thing I need to solve the problem since I know dx/dt. 

RSS Answers RSS feed