Rachel is a nurse. She earns 12 vacation days after working 768 hours. How many hours does racheal need to work to earn 1 vacati
1 answer:
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Answer:
C) 960
Step-by-step explanation:
Let's expand the factorial.
n! = 1*2*3*4*...n
6! = 1*2*3*4*5*6
3!= 1*2*3
The given expression
=
Canceling out the common terms, we get
=
= 8.4.5.6 [here . represents multiplication]
= 960
Answer: C) 960
Thank you.
From the points given we know that the rectangle is 3 points wide and 2 points tall. If we rotate it 
around the x axis then we will receive the lying cyllinder which will be 3 points tall and 2 points wide (so its radius is 2/2 = 1 point). Now we can find the surface area of the cyllinder using appropriate formula:
