Answer:
10.35 am
Step-by-step explanation:
Find the LCM
LCM = 275 minutes ÷ 60 minutes to change into hours
= 4hrs 35 min
6.00am + 4hrs 35min
= 10.35 am
D - 90 because 20 x 30 and multiply by 0.15
Answer:
The height of the cone is 
Step-by-step explanation:
we know that
The volume of the cone is equal to

where
B is the area of the circular base of the cone
h is the height of the cone
In this problem we have


<em>Find the area of the base B</em>

substitute the value of r

<em>Find the height of the cone</em>


assume 

24- sqrt(720/4) divide 720 by 4
24 - sqrt (180) now break down 180 to 9*4*5
24- sqrt(9) *sqrt(4) *sqrt (5) so 9becomes 3, 4 becomes 2
24- 3*2*sqrt(5) multiply 3 and 2
24-6sqrt(5)