Amy, Betty, and Cindy, located at (-8,0), (8,0) and (8,10) respectively, recorded the exact times when they heard an explosion. On comparing notes, they discovered that Betty and Cindy heard the explosion at the same time but that Amy heard it 12 seconds later. Assuming that all distances are in kilometers and that sound travels 1/3 km per second, determine the point of explosion.
- 1 decade agoFavorite Answer
you have to use the distance formula. im sure you have it