Answer:
10
Step-by-step explanation:
n is the number of selections and k the number selected, that is
n = 5 and k = 2
note that n! = n(n - 1)(n - 2) ..... × 3 × 2 × 1, thus
=
=
=
= 10
Is the problem I showed congruent
1 answer:
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Let's see what to do buddy...
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Step (1)
We know that the sum of the interior angles of any n-sided figure is obtained from the following equation :
Our figure has 5 sides ;
So , sume the interior angles of it equals :
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Step (2)
First look at the photo which I post.
According it we have :
Subtract the sides of the equation minus 465 :
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And we're done.
Thanks for watching buddy good luck.
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