subject
Mathematics, 27.02.2021 20:10 mrashrafkotkaat

A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions.
If there are 2 children, there can be only 1 interaction.
If there are 3 children, there can be 4 interactions.
If there are 4 children, there can be 9 interactions.

How many interactions will there be for 8 children?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1
Answers: 1
question
Mathematics, 21.06.2019 20:00
Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?
Answers: 1
question
Mathematics, 22.06.2019 00:00
Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.
Answers: 1
question
Mathematics, 22.06.2019 00:50
How do newtons third law of motion demonstrates on a rollar coster
Answers: 2
You know the right answer?
A playground is being designed where children can interact with their friends in certain combination...
Questions
question
Business, 14.05.2021 18:20
question
Mathematics, 14.05.2021 18:20
question
Mathematics, 14.05.2021 18:20
question
Mathematics, 14.05.2021 18:20
Questions on the website: 13722367