Depth of the well=30 feet
length the snail ascends during day = 3 feet
length it descends at night = 2 feet
therefore, the equivalent length it covers at the end of the day=(3-2)feet = 1 feet
So, After 27 days it will cover: 27 feet
Then, the next day it will cover : (27+3) feet = 30 feet
Therefore, the snail takes (27+1)days i.e. 28 days to climb out of the well.......
Answer:
91.4
Step-by-step explanation:
Answer: sqrt 2(3- sqrt 5) / 4
Step-by-step explanation:
Multiply by conjugate
3- sqrt 5/ 3- sqrt 5
17 divided by 3 in order to solve it
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