28.23 is the volume of something if the diameter is 2 cm and the height is 9 cm.
To simplify 7C4 we use the combination formula given by:
nCr=n!/[(n-r)!r!]
thus:
In our case we shall have:
n=7 and r=4
7C4
=7!/[(7-4)!4!]
=5040/[6×24]
=5040/144
=35
The answer is 35
Answer:36.5625
Step-by-step explanation:
Hope this helped!
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