Question

At 7:00 A.M. a truck is 60 miles due north of a car. The truck is traveling south at a constant speed of 40 mph, while the car is traveling east at 60 mph. How fast is the distance between the car and the truck changing at 7:30 A.M.?

Answer 1

is the answer is 4mph

Answer 2

@airabelle

Answer 3

yaa i am sure that answer is 4mph

Answer 4

tnx

Answer 5

A trough of water is 8 meters long and its ends are in the shape of isosceles triangles whose width is 5 meters and height is 2 meters. If water is being pumped in at a constant rate of 6 cu.m/sec. At what rate is the height of the water changing when the water has a height of 120 cm?

Answer 6

please help me

Answer 7

hey!! plz post this question

Answer 8

for the save time i would solve it