Answer:
25.12
Step-by-step explanation:
the formula of a cone is pi r^2 * h/3
r = radius and h = height
the radius is 2 and the height is 3
and the question says use 3.14 instead of pi so
we have
3.14 * 2^2 * 6/3
2*2 or 2^2 = 4
3.14 * 4 * 6/3
6/3 = 2
3.14 * 4 * 2
4*2 = 8
and 8 * 3.14 is 25.12
By proportion that would be 15/25 * 4 = 2.4 days
Answer:
72
Step-by-step explanation:
36:50*100 =
( 36*100):50 =
3600:50 = 72
Answer:
Person will be 24 metres above the ground after 1.50 minutes
Step-by-step explanation:
Given:

To find:
time when the person be 24 meters above the ground
Solution:
Put 

So, the person will be 24 metres above the ground after 1.50 minutes
6 choices for 1st digit
5 choices for 2nd digit (since we used 1 for 1st slot already)
4 for 3rd
3 for 4th
2 for 5th
so the number of numbers is 6*5*4*3*2=720 different numbers