Tom rolls 2 fair dice and adds the results from each. Work out the probability of getting a total that is a factor of 21.
1 answer:
The probability of getting a total that is a factor of 21 is 0.22
<u>Explanation:</u>
Factor of 21 is = 1, 3, 7, 21
Out of all the factors of 21, we cannot get 21 when the two die are rolled as the maximum sum that can be obtained is 12
The possible combinations are:
(1,2) (1,6)
(2,1) (2,5)
(3,4)
(4,3)
(5,2)
(6,1)
Total outcome = 6 X 6
= 36
Number of outcomes that is the factor of 21 is 8
The probability of getting a total that is a factor of 21 is
p(21) = 0.22
Therefore, the probability of getting a total that is a factor of 21 is 0.22
You might be interested in
Answer:
There would be 94 tiles.
Step-by-step explanation:
The number of tiles is given by the following equation:
In which p is the current position.
How many tiles would there be in position 22?
This is n when . So
There would be 94 tiles.
6x^2 -7x + 2 with a factor of 2x -1
If you divide the trinomial by the factor you will get the other factor.
See attachment
If you divide the trinomial by the factor you will get the other factor.
See attachment