A certain lot consisting of ten items has three defective items and seven nondefective items. How many possible subsets of 2 ite
ms can be chosen from this lot?
21
45
90
1 answer:
Answer:
45
Step-by-step explanation:
The order in which the items are chosen is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

How many possible subsets of 2 items can be chosen from this lot?
Combinations of 2 from a set of 10. So

You might be interested in
3:1427726373owksisisieiieieir
B is the answer I think so
Answer:
it's not even hard
Step-by-step explanation:
.....
Answer:
-16
Step-by-step explanation:
4x^3*y^2=
4(-1)^3*(2^2)=
4(-1)^3*(4)=
4*-1*4=
16*-1=
-16
Answer:
the answer to this problem is -16 use the operation by subtracting 5 from 5 and -27 then dividing