SOLUTION: two brothers leave their house at the same time. alex runs due east at a constant speed of 10km per hour, and Boris walks due south at a constant speed of 4km per hour. How far has
Algebra.Com
Question 1155527: two brothers leave their house at the same time. alex runs due east at a constant speed of 10km per hour, and Boris walks due south at a constant speed of 4km per hour. How far has each brother travelled after 30 minutes?
Found 3 solutions by josmiceli, mananth, MathTherapy:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Convert minutes to hours
[ 30 min ] x [ 1 hr / 60 min ] = [ 1/2 hr ]
For Alex:
km
For Boris:
km
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Alex East => 10 km/h
after half an hour =>5 km
Boris South => 4 km/h
after half an hour =>2 km
Walking at right angles
Apply Pythagoras theorem
distance=
=> 5.4 km
Answer by MathTherapy(10549) (Show Source): You can put this solution on YOUR website!
two brothers leave their house at the same time. alex runs due east at a constant speed of 10km per hour, and Boris walks due south at a constant speed of 4km per hour. How far has each brother travelled after 30 minutes?
RELATED QUESTIONS
Edna and Nancy leave the house of a common friend at the same time and walk for 4 hours.... (answered by psbhowmick)
You and your friend leave your house at the same time. You drive due east at a speed of... (answered by Alan3354)
Two friends leave their houses at the same time and run across town towards each other.... (answered by mananth)
Barney left his house and headed due east at a speed of 50 miles per hour. Fred left at... (answered by stanbon)
two trucks leave a warehouse at the same time. one travels due west at an average speed... (answered by checkley79)
Two trucks leave a warehouse at the same time. One travels due east at an average speed... (answered by greenestamps)
Two cars leave an intersection at the same time. One is headed North at a constant speed... (answered by ankor@dixie-net.com,Alan3354)
Two boats leave a dock at the same time. One boat is headed directly east at a constant... (answered by ankor@dixie-net.com)
Matt and Chris leave their uncle's house in Phoenix at the same time. Matt drives west on (answered by josgarithmetic)