Answer:
C
Expand the bracets then simplfy and then factorise
15 freinds are in group of 5 for a sceince project. how many projects are there?
2 answers:
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<span>There are 47,124 different committees you can select.
Explanation:
The number of combinations of 9 teachers taken 3 at a time is given by
</span>
<span>
The number of combinations of 34 students taken 2 at a time is given by
</span>
<span>
Together this makes 84*561 = 47124 combinations.</span>
Explanation:
The number of combinations of 9 teachers taken 3 at a time is given by
</span>
The number of combinations of 34 students taken 2 at a time is given by
</span>
Together this makes 84*561 = 47124 combinations.</span>