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ra1l [238]
3 years ago
14

Formula to find the number of subsets of a set that has "n" number of elements. 2 raise 1)to the nth power 2)n squared 3)2 times

n 4)All of these
Mathematics
1 answer:
KiRa [710]3 years ago
6 0

Answer:

(A)2^n

Step-by-step explanation:

Given a set with "n" number of elements, the collection of all subsets of the set is referred to as the Power set of the given set.

To find the  number of possible subsets of any set, we use the formula: 2^n

Take for example the set: A={2,3,4)

A has 3 elements, therefore n=3

The number of possible subsets of A is: 2^3=8$ subsets

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Suppose that ∠BNR and ∠RNA are adjacent angles where m∠BNR=12w-19,
wariber [46]

Answer:

Step-by-step explanation:

Sum of interior adjacent angle is 180 degrees.

Given  

m∠BNR=12w-19,

m∠RNA= ¼(w+199)

m∠BNA=2(12w-19).

Substitute

m∠BNR+m∠RNA=

¼(w+199)+12w-19, = 2(12w-19).

W+796+48W-76 = 96W-152

49W-96W = -152+76-796

-47W = 872

W = 872/47

W = 18.55

6 0
2 years ago
The sum of three consecutive odd numbers is 987. Find the numbers.
hodyreva [135]

Answer:

Step-by-step explanation:

Let first odd number = a, second odd number = a +2, third odd number = a + 4

a + a + 2 + a + 4 = 987

3a + 6 = 987

3a = 981

a = 327

First odd number = a = 327

Second odd number = a + 2 = 329

Third odd number = a + 4 = 331

6 0
2 years ago
find the total number of possible outcomes for four different cell phone models each of which has 3 different plans
Oksanka [162]
Hello!

I believe there are a total of 12 possible outcomes for this problem. Using simple math, you can just multiply 4 by 3 to get 12 possible outcomes but you can also get 12 outcomes by looking at the fact that since there are 3 plans in each of the 4 models, there are 12 ways that this could play out.

I hope this helps!
6 0
3 years ago
Can someone please answer this question?
Verdich [7]

100 because sum means addition so 1+0+0 is one, and one X one hundred is 100

Hope this helps :D

5 0
3 years ago
A company is offering newly hired employees three salary structures. One option computes raises by adding $1000 and then a 3% in
monitta

What's the issue? You gave the possible answers but that's about it.

7 0
3 years ago
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