1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ivahew [28]
3 years ago
9

How many elements must a set have if the number of proper subsets of the set is one half

Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0
2^n - 1 = 1/2(2^n)
2^1 - 1 = 2^1/2
2 - 1 = 2/2
1 = 1

Theefore, the set must have one element
You might be interested in
What is the value of x in the proportion (x - 1)/5 = (4x + 2)/35?
nirvana33 [79]

Answer:

x=3

Step-by-step explanation:

1. cross multiply to get

5(4x+2)= 35(x-1)

2. distribute

20x+10=35x-35

3. combine like terms

45=15x

4. divide :)

3=x

6 0
3 years ago
Read 2 more answers
Help me please ASAP please please
Likurg_2 [28]
X > -2....................
5 0
3 years ago
When writing numbers in base 10, we only allow coefficients of 0 through 9. Why is that?​
Margaret [11]

Answer:

Because 0 counts as the first possible number. 0-9 gives you 10 possible numbers.

Step-by-step explanation:

7 0
3 years ago
the amount of money spent weekly on cleaning maintenance and repairs at a large restaurant was observed over a long period of ti
miv72 [106K]

So P(-0.7537 < z < 1.3190) = 0.9063 - 0.2254 = 0.6809

4 0
3 years ago
A circle with circumference 8 has an arc with a 288 degree central angle
Lapatulllka [165]

Answer:

Step-by-step explanation:

l=8

\theta=288 \pi /180=72\pi /45=8\pi /5\\\theta=\frac{l}{r} \\r=\frac{l}{\theta}=8 \times 5/(8 \pi )=5/\pi \approx 1.59

3 0
3 years ago
Other questions:
  • How many time greater is 46 than 0.46?
    9·1 answer
  • The number of goats to the number of sheep in a field is in the ratio 5:8. Farmer Giles has 32 sheep. How many goats does he hav
    7·1 answer
  • The difference between the two numbers is 4. The quotient of the two numbers is 2. What are the two numbers?
    9·2 answers
  • (x^3)^9 = <br> A: x^12 <br> B: x^27 <br> C: x^3 <br> D: x^6
    14·1 answer
  • Find thw exact intrest for $600 at 8% for 45 days. round to nearest cent
    9·1 answer
  • Plsssss help due todayy!!
    13·1 answer
  • What is the value of x?<br><br> 1/2 x + 2 = x - 1/4
    9·2 answers
  • I need to know the answer
    7·1 answer
  • i do not wan t have to do this again so in return ill give brain to the the first answer correct and 5 stars and thanks
    9·1 answer
  • A school bus is moving 26.8 m/s on flat ground when it begins to accelerate at 4.73 m/s^2. How much time does it take to travel
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!