Chewy25idn
Answered

Suriin ang IDNStudy.com para sa malinaw at detalyadong mga sagot. Ang aming platform ay nagbibigay ng mga maaasahang sagot upang matulungan kang gumawa ng matalinong desisyon nang mabilis at madali.

How many choices does a student have in
doing 7 problems from a set of 12 problems?​

Sagot :

Greninjack31idn

Answer:

  • 3991680 choices

Solution:

[tex]n=12\\r=7\\\\_nP_r=\frac{n!}{(n-r)!} \\_{12}P_7=\frac{12!}{(12-7)!} =\frac{12!}{5!} =\frac{(12)(11)(10)(9)(8)(7)(6)5!}{5!} =(12)(11)(10)(9)(8)(7)(6)\\_{12}P_7=3991680[/tex]

#CarryOnLearning :)

CutieNiceaidn

Answer:

The options it gives for answers are: 12. 48. 495.

Step-by-step explanation:

[•.•ิ] Sana po makatulong;>

#CarryOnLearning