One airplane is approaching an airport from the north at 124 km/hr. A second airplane approaches
from the east at 223 km/hr. Find the rate at which the distance between the planes changes when
the southbound plane is 34 km away from the airport and the westbound plane is 15 km from the
airport.

Question

One airplane is approaching an airport from the north at 124 km/hr. A second airplane approaches
from the east at 223 km/hr. Find the rate at which the distance between the planes changes when
the southbound plane is 34 km away from the airport and the westbound plane is 15 km from the
airport.

anonymous · Answer

i keep getting -203.462 is this correct?

anonymous · Answer

is this what you got?

dumbcow · Answer

is there more info? do we know how far the planes were from airport when they started

anonymous · Answer

no thats it

dumbcow · Answer

ok i get 203.4616 as well but positive  but the way i set it up had the planes going away from airport as time increased

dumbcow · Answer

so id say you are correct

anonymous · Answer

ok thankyou but i hada right triangle and it had the planes heading towards it