Our brains judge the speed of objects passing by us through the time taken for them to cross our field of view. Those taking a long time could either be nearby and travelling slowly or faster and further away. And in the case of planes, our brains know that the second interpretation is the right one.
Answer:
*update* 99
Step-by-step explanation:
Answer:
4500 gr
Step-by-step explanation:
4.5 kg equals some number (n) times one gram. Solve this for n:
4.5 kg = n(1 gr)
Recall that 1 kg = 1000 gr. Because of this, the equation above becomes
4.5 kg (4.5)(1000 gr)
n = --------------- or ------------------- or 4500 gr
1000 gr 1 gr
Answer:
Total 156 people were surveyed.
Step-by-step explanation:
We are given the following in the question:
A survey was conducted about favorite book categories.
Out of which one fourth of total number of people surveyed or 39 people responded that mystery was their favorite category.
Let x be the total number of people surveyed.
Then, we can write
Thus, total 156 people were surveyed.
