Answer:
60 hand shakes.
Step-by-step explanation:
We have been given that there are 6 married couples at a party.
This means there are 12 people in total.
We know that number of handshakes for n people is given by formula 
.
We are also told that at the start of the party every person shakes hands once with every other person except his or her spouse.
So formula for this problem would be 
or 
.
Since total numbers of people is party is 12, so we will get:
Therefore, there will be 60 hand shakes at the party.
You put all x on left side and numercial on the right side
13x-12x = 4+4
x = 8
Answer:
1/135
Step-by-step explanation:
subtract the 1 from 17/15
you get 2/15 and then you multiply that by 1/18
I think the average spend is 11 km. i don't know for sure..
Answer:
Yes, the given question is a statistical question.
Step-by-step explanation:
Given: statement is "What is the typical height of dog kennels at Keita's Kennels?"
To check: whether the given statement is a statistical question
Solution:
A statistical question is one for which you will generally get more than one answer.
For example "What's the age of the students in your school?" is a statistical question but "What's your age?" is not a statistical question.
The given statement "What is the typical height of dog kennels at Keita's Kennels?" has a single answer only, so the given question is statistical
