Makahanap ng mga solusyon at sagot sa lahat ng iyong katanungan sa IDNStudy.com. Sumali sa aming komunidad ng mga bihasa upang makahanap ng mga sagot na kailangan mo sa anumang paksa o problema.

7. If A =(2, 4, 6, 8, 10) and B =(3, 6, 9, 12), find n (AN B).

A. 0
B. 2
C. 6
D. 10

9. Which expression gives the number of ways of arranging five different books in a shelf?

A. (5–1)!
B. 5!
C. 5 x 4
D. 5 x 5

12. Which formula will be used in the following situation. Chose 2 girls and 3 boys in forming a group of 5 from a class of 40 students.

C(n, r) = n!
-------
(n-r)!r!

B. P(n,r)= (n-r) = n
——
(n–r)!

C. n!=n• (n-1)•(n-2)•...

D. P = (n - 1)!


will you help me?







Sagot :

Answer:

7. c

9. c

10. a

Step-by-step explanation:

for number 7 if you mean A intersection B you need to find something in common and that is 6.

no. 9 just use 5*4 and no. 12 is combination.