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
Tcecarenko [31]
3 years ago
7

Let A={Φ,{Φ},{Φ,{Φ}}} and B={1,2}. How many relations from A into B?

Mathematics
1 answer:
ahrayia [7]3 years ago
5 0

Answer: There are 64 relations from A to B.

Step-by-step explanation:

Number of relation from set A to B = 2^{\text{ (Number of eklemnts in A x B)}}

=2^{\text{(Number of elements in set A  ) x (Number of elements in set B)}}

Since, A={Φ,{Φ},{Φ,{Φ}}} and B={1,2}

i.e. Number of elements in set A = 3

Number of elements in set B = 2

So, Number of relation from set A to B = 2^{3\times 2}

= 2^6= 64

Hence, there are 64 relations from A to B.

You might be interested in
How many ducks do you see?
tekilochka [14]

Answer:

13

Step-by-step explanation:

count the big ducks first

then go back and count the smaller ones

6 0
3 years ago
The price for 11 ballpoint pens is $11.77. Which of the following represents the same price per pen? A. 4 pens for $4.44 B. 5 pe
Harrizon [31]
First we need to know how much each pen costs.  So we take 11.77 and divide it by 11.  That gives us 1.07 per pen.  So answer choice A has 4 pens for 4.44, so we need to multiply 1.07 x 4.  That gives you 4.28, so we know that isn't the correct answer.  For option B, we need to multiply 1.07 x 5.  That is 5.35, so that also can't be the answer.  For C, we need to do 1.07 x 6, and that gives us 6.42.  So we know the correct answer is option C.
3 0
3 years ago
Read 2 more answers
Rewrite this standard form quadratic equation into vertex form by completing the square. Upload your work here to show your thin
Alex787 [66]

Solution :

Given the equation :

$y = x^2 - 6x+3 $

$y=1(x^2 - 6x +n)+3$

$n = \left(\frac{b}{2}\right)^2$

$n = \left(\frac{6}{2}\right)^2$

n = 9

$y=1(x^2 - 6x +9-9)+3$

$y=1(x^2 - 6x +9)-9+3$

$y=1(x-3)^2- 6$

Therefore the vertex form of $y = x^2 - 6x+3 $  is  $y=1(x-3)^2- 6$.

3 0
2 years ago
Find the Percent:
ycow [4]

Step-by-step explanation:

First, find 12 percent of 1,150,

12 percent of 1,150 = 138.

Now, add 1,150 + 138,

1,150 + 138 = 1,288

Hope I helped, if not, at least I tried.

6 0
2 years ago
????????????????????????
Nesterboy [21]

One is 17.22 and the other is simply 2.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Simplify. 5 + 2(3x − 4) − x
    7·1 answer
  • What percent of 51 is 12?
    7·1 answer
  • A parallelogram is transformed according to the rule (x, y) → (x, y). Which is another way to state the transformation?
    6·2 answers
  • 2)Whitney is shopping for party supplies. She finds a package of 10 plates, 16 napkins, and a package of 8 cups. What is the lea
    13·1 answer
  • 1/2(2x +4)+x what is the expression
    12·1 answer
  • Select the correct answers.
    13·1 answer
  • The mean sustained wind velocity, v, can be determined by the equation , where p is the air pressure, in millibars, at the cente
    15·2 answers
  • Need help ASAP
    8·1 answer
  • Could I get some help? Its simplifying square roots of negative numbers.​
    11·1 answer
  • SOLVE FIRST GETS BRAINLIEST WRONG ANSWERS WO<br> N'T EARN ANYTHING
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!