Answer:
15 cm
Step-by-step explanation:
The volume of a cylinder is given by
... V = πr²h
Then
... h = V/(πr²)
Substituting the given dimensions, you have
... h = (753.6 cm³)/(3.14·(4 cm)²) = 15 cm
Answer:
B
Step-by-step explanation:
Answer:
D. 
Step by step explanation:
First of all we will convert our given time from minutes to hour by dividing 35 by 60.

Let us find speed of dog during walk.

Dividing a number by a fraction is same as multiplying the number by the reciprocal of the fraction.

Therefore, speed of dog is
and option D is the correct choice.