SOLUTION: 8. A set of dominoes has 28 pieces. How many dots are there in a set of dominoes when there are the same number of dots on the top and the bottom?

Algebra.Com
Question 1122060: 8. A set of dominoes has 28 pieces. How many dots are there in a set of dominoes
when there are the same number of dots on the top and the bottom?

Answer by ikleyn(52872)   (Show Source): You can put this solution on YOUR website!
.
7.


They are  0:0;  1:1;  2:2;  3:3 . . . and so on up to  6:6.


RELATED QUESTIONS

A set of dominoes has 28 pieces. How many dots are there in a set of dominoes when there (answered by ikleyn)
Dominoes are stacked on top of each other such that the first row contains 80, the 2nd... (answered by ewatrrr,richwmiller)
In a given venn diagram a has 4 dots b has 3 dots, there are 2 dots in the middle.... (answered by ikleyn)
How many dominoes are in a double-fifteen set? Pictured below are double-three and... (answered by ikleyn)
An arrangement of dots forms the perimeter of an equilateral triangle. There are 87... (answered by sofiyac)
5. Consider two identical six sided dice with from one to six dots on each side with no... (answered by Fombitz)
The dots on the opposite faces of a die have a sum of 7. How many different sum of dots... (answered by CPhill,ikleyn)
The triangular numbers are the whole numbers that are represented by certain triangular... (answered by richard1234)
nancy is setting up a train of dominoes from the (answered by richwmiller)