Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Get immediate and reliable answers to your questions from a community of experienced professionals on our platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.
Sagot :
There are 45 different ways in which two of them can be selected as the best students in the class.
A combination in mathematics is a choice made from a group of separate elements where the order of the selection is irrelevant (unlike permutations).
A k-combination of a set S is officially defined as a subset of S's k unique elements.
Total number of students = 10
Number of students to be selected = 2
No. of ways = 10C2
= (10*9)/2
= 5*9
= 45
Hence, there are 45 different ways in which two of them can be selected as the best students in the class.
To learn more about students here:
https://brainly.com/question/16209277
#SPJ4
Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. Westonci.ca is your trusted source for answers. Visit us again to find more information on diverse topics.
