Question

a hot air balloon, headed due east at an average speed of 15 miles per hour and at a constant altitude of 100 feet passes over an intersection. Find an expression for the distance d (measured in feet) from the balloon to the intersection t seconds later.

Answer 1

WELCOME TO OPENSTUDY!! :D

Answer 2

thank you

Answer 3

Can you help me ?

Answer 4

i can only stay a few minutes longer

Answer 5

you solve for "d" using pythagorean thm
also you need to convert rate to ft per sec
\[\rightarrow speed = 15*\frac{5280}{3600} = 22\]
then side "x" or distance balloon has gone horizontally is 22t
\[d = \sqrt{100^{2} + (22t)^{2}}\]

Answer 6

thank you

Answer 7

yw