The value of x in the triangle is 61.9°.
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
A cube because it has 6 faces/sides and 12 edges.
Answer: 1/5
Explanation: 8/40 simplified in half is 4/20 then 2/10 then 1/5!
