Dari b

This page lists questions and answers that were posted by visitors named Dari b.

Questions

The following questions were asked by visitors named Dari b.

A cyclist travels for X hours at 5km/h and for Y hours at 10km/h. He travels 35km altogether and his average speed is 7km/h. Find X and Y.

If x=-2, and y=-4, what is the value of 2x-(2x²-4y)

Answers

The following answers were posted by visitors named Dari b.