SOLUTION: an emperor penguin travels a distance of 70 miles each year back to the place of its birth. If that same penguin moves at a speed of 2.4 miles per hour, the function d = 70 - 2.4

Algebra.Com
Question 1155659: an emperor penguin travels a distance of 70 miles each year back to the place of its birth. If that same penguin moves at a speed of 2.4 miles per hour, the function d = 70 - 2.4t represents its distance d from its birthplace t hours after it has started its journey home. Find the zero of this function.

Answer by ikleyn(52908)   (Show Source): You can put this solution on YOUR website!
.

To find the zero of this function, solve an equation


    d = 0,  which is  70 - 2.4*t = 0.


The solution is  t =  = 29.1666... =  hours = 29 hours and 10 minutes.


It is the travel time for this distance.


RELATED QUESTIONS

An emperor penguin travels a distance of 70 miles each year back to the place of its... (answered by ikleyn)
A penguin travels up to 25 miles per hour. At that rate, how long would it take a penguin (answered by FrankM,ikleyn)
A penguin and a seal are housed in the same cage. The cage was unlocked. At 3 PM, the... (answered by stanbon)
A penguin swimming with the ocean current in search of food takes 1 hour to travel 9... (answered by checkley77)
a penguin swimming with the ocean current in search of food takes 1 hour to travel 9... (answered by jim_thompson5910)
Type your question here:a car travels up a hill at an average speed of 50 miles an hours. (answered by richwmiller)
Frank and Alice the penguin at birth Franks beak was 1.95 inches long Alice's was 1.50... (answered by richwmiller)
Okay, I have another one using distance = rate times time but it has a twist. I am... (answered by Fombitz)
the penguin was 1200 yards ahead when batman began his pursuit. if batman ran 3 times as... (answered by josmiceli)