3 cups = 1/4
3 divided by 4 is 0.75
So 3/4 of 1 cup spilt on the floor
The answer is B your welcome
Answer:
option D is the correct answer.
Step-by-step explanation:
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Answer:
0.675 m/s
Step-by-step explanation:
Let height of shadow= y,CD=x
Height of man=2 m
Speed of man= 

Therefore, 


Differentiate w.r.t t



When the man is 4 m from the building
Then, we have x=12-4=8 m

Substitute the values in above equation then, we get


Substitute the values then we get

Hence, the length of his shadow on the building decreasing at the rate 0.675 m/s.