Write an equation for the nth term of the arithmetic sequence 23, 16, 9, 2, .... Then find a25.
1 answer:
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<em>Complete Question:</em>
In a jar there are 19 red jelly beans and 10 green jelly beans. In how many ways can you pick 4 red jelly beans and the same number of green jelly beans?
Answer:
Step-by-step explanation:
Given
Red Jelly Beans = 19
Green = 10
Required
Select 4 out of 19 red jelly beans and 4 out of 10 green jelly beans
The keyword in the question is pick and this implies combination;
4 from 19 red jelly beans is calculated as follows
Where n = 19 and r = 4
Similarly;
4 from 10 green jelly beans is calculated as follows
Ways of selecting both is calculated as follows