Answer:
b. 56
Step-by-step explanation:
Please consider the complete question.
There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible?
We will use combinations for solve our given problem.
, where,
n = Number of total items,
r = Items being chosen at a time.
For our given scenario
and
.





Therefore, 56 different subcommittees are possible and option 'b' is the correct choice.
The length of would be 9 and the width 7, resulting in an area of 63
Answer:
AB = CD = 3√5
Step-by-step explanation:
We use Pythagoras' Theorem.
AB² = CD² = 3²+6² = 9+36 = 9·(1+4) = 9·5
=> AB = CD = √(9·5) => AB = CD = 3√5
Answer:
4w⁷
Step-by-step explanation:
12w³
____w⁴ = 4w⁷
3