I believe it’s true not sure tho
Answer:
Step-by-step explanation:
20
It's true. That's how parallelograms are defined. Here's a diagram to show you what the question means. The opposite sides are parallel and there are 2 sets of parallel lines.
Answer:
multiply by 4 divide by 2
Step-by-step explanation:
A set containing
elements has a power set containing
elements; here,
so
.
The elements of the power set are all possible combinations of up to 5 of the total 5 elements to choose from:
0 choices (1):
(since
)
1choice (5):
2 choices (10):
3 choices (10):
and so on
4 choices (5);
and so on
5 choices (1):
(1 + 5 + 10 + 10 + 5 + 1 = 32)