Ahiker walked a hiking trail according to the chart below. what is a possible explanation of the hiker's movement? a )the hiker ended up in the same place that he started. b)the hiker got tired and walked the slowest from 1: 00-2: 00. c)the hiker stopped for lunch from 11: 00-12: 00 and that slowed him down. d)the hiker had an easy, level trail from 11: 00-12: 00 and was able to travel the fastest during that time period.

D)The hiker had an easy, level trail from 11:00-12:00 and was able to travel the fastest during that time period.

Explanation:

In the table, we see that the duration of the 4 time intervals is always the same (1 h). The velocity of the hiker during each part of the trail is given by

where d is the displacement and t is the time taken.

By applying this formula, we can see that the hiker had the fastest velocity during 11.00 and 12.00, so statement D is correct. In fact, the velocity of the hiker in the 4 parts is:

-10.00-11.00 :

-11.00-12.00 :

-12.00-1.00 :

-1.00-2.00 :

So, we see that the hiker walked fastest between 11.00 and 12.00.

answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.

attach the statements so i can answer : )