subject
Mathematics, 28.01.2021 07:10 queenliz855

Which expression represents the number of possible combinations of n items taken r at a time?


Which expression represents the number of possible combinations of n items taken r at a time?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 23:30
Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62
Answers: 1
question
Mathematics, 22.06.2019 03:40
Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?
Answers: 3
question
Mathematics, 22.06.2019 05:20
Analyze the diagram. what is the composition of transformations that was applied to map wxyz to w''x''y''z''? the first transformation was a reflection across line m rotation about point a translation down and right translation up and left. the second transformation was a rotation about point a translation up translation down reflection across line m.
Answers: 1
question
Mathematics, 22.06.2019 06:00
What is the area of the regular 24-gon with radius 5 mm
Answers: 2
You know the right answer?
Which expression represents the number of possible combinations of n items taken r at a time?
...
Questions
question
Mathematics, 13.10.2020 15:01
question
Mathematics, 13.10.2020 15:01
question
English, 13.10.2020 15:01
question
Mathematics, 13.10.2020 15:01
question
Mathematics, 13.10.2020 15:01