If A and B are the subsets of the universal set U then (A∪B) ′= A′ ∩B′
.

Answers

Answer 1

Yes, the statement is true and it is known as De Morgan's law for set theory.

The De Morgan's law in set theory states that the complement of the union of two sets is equal to the intersection of their complements. This means that if an element is not in A and not in B, then it is not in A or B. In other words, the elements that are not in the union of A and B are those that are not in A and those that are not in B. This is the same as saying that the elements that are in the complement of the union of A and B are those that are in the intersection of the complements of A and B. Therefore, (A ∪ B)' = A' ∩ B'. This law is useful in proving certain set-theoretic identities and simplifying complex expressions involving sets.

It states that the complement of the union of two sets is equal to the intersection of their complements. In symbols, it can be written as:

(A ∪ B)' = A' ∩ B'

where A' and B' denote the complements of sets A and B, respectively, and the symbol ' denotes complementation.

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Related Questions

hi i need some help with this math problem

hi i need some help with this math problem

Answers

1 is value of x in given function.

What is the definition of a function?

An association between a value from the set of the first components of the ordered pairs and a specific value from the set of the second components is known as a function. a relationship between a set of inputs and a set of potential outputs, where each input is connected to only one possible output.

f(x) = 2x + 4/6

put x = - 2  in equation

  f(-2) = 2 * -2 + 4 /6

          = -4 + 4 /6

          = 0/6

           = 1

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Perform the calculation and report your results to the correct number of significant figures. (10.52)(0.6721)
(19.09−15.347)

Answers

The results of the calculations are approximately 7.07 and 3.74, respectively, to the correct number of significant figures.

Performing the calculation:

(10.52)(0.6721) = 7.0671992

Rounding to the correct number of significant figures, we have:

(10.52)(0.6721) ≈ 7.07

Next, let's calculate (19.09 - 15.347):

(19.09 - 15.347) = 3.743

Rounding to the correct number of significant figures, we have:

(19.09 - 15.347) ≈ 3.74

Therefore, the results of the calculations are approximately 7.07 and 3.74, respectively, to the correct number of significant figures.

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points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints.

Answers

Points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints.

True

I need help with knowing what is the ray? help please

I need help with knowing what is the ray? help please

Answers

Answer:

A part of a line with a start point but no end point (it goes to infinity) Try moving points "A" and "B": line

Step-by-step explanation:

its just straight forward

What is the equation that represents f(x)?
A.f(x) =-2x2 - 8x + 42
B. f(x) = 2x2 + 8x - 42
C.f(x) ==*2=4x +21
D.f(x) = x2 + 4x = 21

What is the equation that represents f(x)?A.f(x) =-2x2 - 8x + 42B. f(x) = 2x2 + 8x - 42C.f(x) ==*2=4x

Answers

The equation that represents the f(x), in which the amount by which difference between the terms changes are the same, indicating that f(x) is a quadratic function is the option A

A. f(x) = -2·x² - 8·x + 42

What is a quadratic function?

A quadratic function is a function that can be expressed using the vertex form of a quadratic equation as follows;

f(x) = a·(x - h)² + k, where, a ≠ 0, and (h, k) is the coordinates of the vertex of the graph of the quadratic function, which is a parabola.

The first difference of the data in the table are;

50 - 48 = 2

48 - 50 = -2

42 - 48 = -6

32 - 42 = -10

The second difference are;

-2 - 2 = -4

-6 - (-2) = -4

-10 - (-6) = -4

The constant second difference indicates that the function is a quadratic function

The symmetry about the point (-2, 50), indicates that the vertex point on the graph is the point (-2, 50)

The vertex form of the quadratic function is therefore;

f(x) = a·(x - (-2))² + 50 = a·(x + 2)² + 50

The point x = 0, indicates that we get; f(0) = a·(0 - (-2))² + 50 = 42

a·(0 - (-2))² = 42 - 50 = -8

a = -8/(0 - (-2))² = -2

The quadratic function is therefore; f(x) = (-2)·(x + 2)² + 50 = -2·(x² + 4·x + 4) - 50

f(x) = -2·(x² + 4·x + 4) - 50 = -2·x² - 8·x - 8 + 50 = -2·x² - 8·x + 42

f(x) = -2·x² - 8·x + 42

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Determine the annual percentage yield, or the effective interest rate, for $1200 invested at 6.63% over 8 years compounded daily. Round your answer to the nearest hundredth of a percent, if necessary. Answer

Answers

The annual percentage yield, or the effective interest rate, for $1200 invested at 6.63% over 8 years compounded daily is approximately 64.04%.

To determine the annual percentage yield, or the effective interest rate, for $1200 invested at 6.63% over 8 years compounded daily, we can use the formula:
A = P(1 + r/n)^(nt)
Where:
A = the final amount
P = the principal amount (initial investment)
r = the annual interest rate (6.63%)
n = the number of times interest is compounded per year (365 for daily compounding)
t = the number of years (8)
Plugging in the values, we have:
A = 1200(1 + 0.0663/365)^(365*8)
Calculating this, we get A ≈ $1,968.49.
To find the annual percentage yield, we need to find the interest earned:
Interest = A - P = $1,968.49 - $1200 = $768.49
Now, we can find the annual percentage yield using the formula:
Annual percentage yield = (Interest / P) * 100
Plugging in the values, we have:
Annual percentage yield ≈ ($768.49 / $1200) * 100 ≈ 64.04%
Therefore, the annual percentage yield, or the effective interest rate, for $1200 invested at 6.63% over 8 years compounded daily is approximately 64.04%.

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Sophia tas $146.32 imfer savings account. She has -3212.19 in her checking account
Which one of the following inequalities correctly compares the account values
Choose 1 answer
146.22 < -212.19
-212.13 < 146.22
Which one of the following descriptions is comed
Choose 1 answer
Sophia's savings account has a lower account value than her checking account

Answers

Answer: 1. -212.13 < 146.22

2. Sofia‘s checking account has a lower account value in her savings account

Step-by-step explanation: Your welcome

Answer:

B

Step-by-step explanation:

:)

Which statement is true about the
rectangle's perimeter?
A. The perimeter is 10 times the width.
B. The perimeter is 10 yards more than
the width.
C. The perimeter is 4 times the height.
D. The perimeter is 4 yards more than
the height.
7.EE.2.

Answers

Answer:

I think it's A. The perimeter is 10 times the width.

Step-by-step explanation:

Please mark me brainliest if correct

Help Please! ( Geometry)

Help Please! ( Geometry)

Answers

The two missing angles of the diagram are:

∠HDG = 117°

∠FDG = 180°

How to find the missing angle?

We know that sum of angles on a straight line is 180 degrees.

We also know that two angles that sum up to 180 degrees are referred to as supplementary angles.

From the given image, we see that:

∠HDF is given as 63°.

Thus:

∠HDG = 180 - 63

∠HDG = 117°

Thus, it means that ∠FDG is 180 degrees

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Homework: WEEK 3 ASSIGNMENT - CHAPTER 3 & 4

Question 9, P 4-4 (similar to)

HW Score: 25.76%, 2.83 of 11 points

Points: 0 of 1

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Question list

Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8
Question 9
Question 10
Question 11
Question content area top

Part 1

You have a balance of

$5,000

on your credit​ card, which charges an interest rate of

1.5%

per month. Looking at your​budget, you figure you can make the following payments. Will they be enough to pay off your credit​ card?

Month

1

2

3

4

5

6

7

8

Payment

$490

$550

$610

$670

$730

$790

$850

$910

Question content area bottom

Part 1

​(Select from the​ drop-down menus.)

The present value of your payments is



smaller than

larger than

equal to

the amount of the​ loan, so you



will not

will

be able to pay off the loan.

Answers

The present value of the payments is smaller than the amount of the loan, so you will not be able to pay off the loan.

The present value of the payments refers to the current value of the future payments, considering the time value of money. In this case, the payments are made over a period of 8 months, and each payment is listed. To determine if the payments will be enough to pay off the credit card, we need to calculate the present value of these payments and compare it to the initial loan amount of $5,000.

Since the interest rate on the credit card is 1.5% per month, we need to discount each payment back to its present value. By discounting the payments, we can see the equivalent value of these payments in today's dollars. If the present value of the payments is equal to or greater than $5,000, it would be enough to pay off the loan. However, if the present value is smaller than $5,000, it means the payments will not be sufficient to pay off the loan.

In this case, without specific information about the discount rate used to calculate the present value, we cannot make an exact determination. However, based on the given information, which states that the present value of the payments is smaller than the amount of the loan, it suggests that the payments will not be enough to pay off the credit card debt.

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I need only 16 and 17 please help

I need only 16 and 17 please help

Answers

9514 1404 393

Answer:

  16. a: (-90°, (4, 3)); b: (90°, (0, 3)); c: (-90°, (0, 0))

  17. a: (down, (4, -1)); b: (right, (4, 3)); c: (up, (5, 2))

Step-by-step explanation:

We don't know what notation you're used to seeing for rotations. Here. we'll use the form [degrees CCW, (center)]. (CW angles are negative.) In any rotation, the center is the point that is invariant (remains in the same place)

16.

a) The tail is invariant, so the rotation is (-90°, (4, 3)).

b) The tip is invariant, so the rotation is (90°, (0, 3)).

c) The origin is invariant, so the rotation is (-90°, (0, 0))

__

17.

a) The tail is invariant, so the arrow is pointing down with the tip at (4, -1).

b) The center is invariant, so the arrow is reversed. It is pointing right with the tip at (4, 3).

c) Point (2, 3) is invariant, so the arrow is pointing up with the center at (5, 0). The tip is at (5, 2).

_____

Additional comment

If you have trouble visualizing these rotations, you might find it useful to trace the arrow on a piece of (semi-)transparent medium (plastic or tracing paper) so that you can move it as required to match the descriptions in the problem statement. A pin, or a dot on your tracing, can serve to fix the center of rotation. A little hands-on never hurts in math and geometry.

what is 4+9+8+6+5+44+88+90+78

Answers

Step-by-step explanation:

4+9+8+6+5+44+88+90+78= 332

4+9+8+6+5+44+88+90+78=332

what is the answer for this question
(0-1)(0+1)

Answers

Answer:

Step-by-step explanation:

-1

circle theorem - find p

circle theorem - find p

Answers

Answer:

C

Step-by-step explanation:

the angle in a semicircle = 90° , that is the 3rd angle in the triangle.

the sum of the 3 angles in a triangle = 180° , then

p + 90° + 42° = 180°

p + 132° = 180° ( subtract 142° from both sides )

p = 48°

There is 5/6 of an apple pie left from dinner. Tomorrow, Victor plans to eat 1/6 of the pie that was left. How much of the whole pie will he eat tomorrow?
1/36

5/36

1/3

2/3

Answers

Answer:

2/3

Step-by-step explanation:

there will be 4/6 of the pie and simplify to be 2/3

One can set up a spreadsheet to compute the iterations of Euler's method for approximating solutions to second-order ODEs. true or false

Answers

The statement "one can set up a spreadsheet to compute the iterations of Euler's method for approximating solutions to second-order ODEs" is true because this method provides a numerical solution to differential equations by iteratively updating the variables based on the given differential equation.

A spreadsheet can be used to organize and calculate these iterations, making it easier to approximate the solutions to second-order ODEs.

To set up a spreadsheet for Euler's method to approximate solutions to a second-order ODE, one would need to follow these steps:

Define the ODE and its initial conditions (i.e., the values of the dependent variable and its derivative at some starting point).Choose a step size (i.e., the size of the intervals between each successive approximation).Use Euler's method to compute the next approximation of the solution at each step, using the previous approximation and the derivative of the ODE at that point.Store each approximation in a separate cell of the spreadsheet.Repeat the process until the desired number of approximations has been computed.

The spreadsheet would allow you to easily perform the iterative calculations required by Euler's method, and to visualize the behavior of the solution over time.

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SOMONE PLEASE HELP ME ASAPPPPPPPP!!!!!!!!! I WILL GIVE YOU A GOOD RATE AND MARK YOU THE BRAINLIEST JUST ANSWER THIS CORRECTLY AND ASAPPPPP!!!!!!! PLEASE!!!!!!!!!

SOMONE PLEASE HELP ME ASAPPPPPPPP!!!!!!!!! I WILL GIVE YOU A GOOD RATE AND MARK YOU THE BRAINLIEST JUST

Answers

Okay. I’m no mathematician, but I’m pretty sure it would be 995/90 = h. I used the “/” as the divide symbol. This would be the equation because you need to divide the total by the cash per hour to be able to get the number of hours the plumber worked. I really hope this helps!

Which choice is equivalent to the expression below? ​

Which choice is equivalent to the expression below?

Answers

The answer is D , I promise
The answer is D, I promise

What is 20% of 82?
please help that would be very nice of you!

Answers

It is 16.4 you’re welcome

16.4 is the 20% of 82

your welcome

Can someone help me with number 2

Can someone help me with number 2

Answers

Mark me brainliest please
Can someone help me with number 2

resilient responses are thought to be a result of three factors, name them

Answers

Resilient responses, often observed in individuals or communities facing adversity, are generally attributed to three key factors: individual characteristics, external support, and learned behaviors. These factors interact and contribute to a person's ability to adapt, recover, and thrive in challenging situations.

Individual characteristics include inherent traits such as optimism, emotional intelligence, and self-efficacy. These personal attributes play a crucial role in shaping how individuals perceive and cope with stressors, ultimately determining their resilience.

External support encompasses the availability and quality of resources provided by a person's social network, including family, friends, and professional support services. Access to reliable and consistent support systems enhances resilience by providing emotional, informational, and tangible assistance during difficult times.

Learned behaviors refer to the strategies and coping mechanisms developed over time through experience and guidance. Acquiring problem-solving skills, developing healthy coping strategies, and cultivating a growth mindset can all contribute to a more resilient response to adversity.

In summary, resilient responses are influenced by a combination of individual characteristics, external support, and learned behaviors. These factors work together to determine a person's ability to adapt and recover from life's challenges. By nurturing these aspects, individuals and communities can cultivate greater resilience and improve their overall well-being.

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maximize p= 2x+2y+2z+2w+2v subject to
x+y less than or equal to 3
y+z less than or equal to 6
z+w less than or equal to 9
w+v less than or equal to 12
x>_0, y>_0, z>_0,w>_0,v>_0
p= ?
(x,y,z,w,v)= ?

Answers

To solve the linear programming problem and find the maximum value of p along with the values of x, y, z, w, and v, we can use the simplex method.

The given problem can be represented as follows:

Maximize p = 2x + 2y + 2z + 2w + 2v

subject to:

x + y ≤ 3

y + z ≤ 6

z + w ≤ 9

w + v ≤ 12

x ≥ 0, y ≥ 0, z ≥ 0, w ≥ 0, v ≥ 0

Now, we can set up the initial simplex tableau:

      | x | y | z | w | v | RHS |

---------------------------------

row 1  | 1 | 1 | 0 | 0 | 0 |  3  |

row 2  | 0 | 1 | 1 | 0 | 0 |  6  |

row 3  | 0 | 0 | 1 | 1 | 0 |  9  |

row 4  | 0 | 0 | 0 | 1 | 1 |  12 |

z-row  | 2 | 2 | 2 | 2 | 2 |  0  |

Next, we will perform the simplex method to find the optimal solution.

Step 1: Select the most negative value in the z-row. In this case, it is -2.

Step 2: Select the pivot element by determining the minimum ratio between the RHS and the corresponding coefficients in the selected column. In this case, the minimum ratio is 3/1 = 3. Therefore, the pivot element is 1.

Step 3: Perform row operations to make the pivot element 1 and other elements in the column 0. This involves dividing row 1 by 1 and subtracting row 1 from rows 2, 3, and 4.

Step 4: Update the z-row by subtracting the appropriate multiples of row 1 from it.

Step 5: Repeat steps 1-4 until all coefficients in the z-row are non-negative.

Step 6: Once the z-row is non-negative, the optimal solution is obtained. Read the values of x, y, z, w, and v from the corresponding columns in the tableau.

The final simplex tableau will provide the values of x, y, z, w, and v that maximize p.

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4(x+1)m divided by 2

4(x+1)m divided by 2

Answers

Answer:

4(x+1)m/2= 2(x+1)m

Step-by-step explanation:

can i have brainliest please

use the substitution method to slove the system of equations. chose the correct order pair x+2y=12 y=x+3

Answers

The solution to the system of equation using the substitution method is (2,5).

What is the solution to the given system of equation?

Given the system of equation in the question;

x + 2y = 12

y = x + 3

To solve using substitution method, replace all the occurrence of y with x+3 in the first equation and solve for x.

x + 2y = 12

x + 2( x + 3 ) = 12

x + 2x + 6 = 12

3x = 12 - 6

3x = 6

x = 6/3

x = 2

Now, plug x = 2 into the second equation and solve for y.

y = x + 3

y = 2 + 3

y = 5

Therefore, the solution to the system is x = 2 and y = 5.

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4x(x/3 - 2) when x = -3

Answers

Answer:

36

Step-by-step explanation:

4x(x/3-2) when x=-3

where ever you see x put -3 there

4(-3)(-3/3-2)

-12(-1-2)

-12(-3)

negative x negative=positive

so the answer =36

e initialize the parameters to all zero values and run the Perceptronalgorithm through these points in a particular order until convergence. The num-ber of mistakes made on each point are shown in the table.

Answers

To initialize the parameters to all zero values, you set each parameter to 0. Then, you run the Perceptron algorithm through the points in a specific order until convergence. The Perceptron algorithm updates the parameters based on the mistakes made on each point.

Here's a step-by-step explanation:

1. Initialize the parameters: Set each parameter to 0. This means that initially, the model has no information and assigns equal importance to all features.

2. Choose an order for the points: Decide on the order in which you will process the points. This order can affect the convergence of the algorthism.

3. Iterate through the points: For each point, perform the following steps:


  a. Compute the predicted output:

Multiply each parameter by its corresponding feature value and sum them up. This gives the predicted output.


  b. Compare the predicted output with the actual output:

If the predicted output matches the actual output, no mistake was made. Move to the next point.


  c. If a mistake was made, update the parameters:

If the predicted output is incorrect, update the parameters based on the error. Increase the parameters for the features that should have been activated and decrease the parameters for the features that should not have been activated.

4. Repeat until convergence:
Continue iterating through the points until there are no more mistakes or until a maximum number of iterations is reached. Convergence occurs when all points are correctly classified.

During this process, keep track of the number of mistakes made on each point. This information can be recorded in a table to analyze the performance of the algorithm.

Remember, the Perceptron algorithm is a binary classifier that can learn to separate linearly separable data. It adjusts the parameters iteratively to minimize errors and find the optimal decision boundary.

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what is a linear system​

Answers

Answer:

a linear system is a mathematical model of a system based on the use of a linear operator.

Step-by-step explanation:

In ΔSTU, u = 220 cm, ∠T=145° and ∠U=18°. Find the length of s, to the nearest 10th of a centimeter.

Answers

Answer:

208.1

Step-by-step explanation:

The dimensions of a
rectangular piece of paper
are 10.5 inches and 10
inches. Ben folded the piece
of paper along its diagonal.
Find the length of the
diagonal in inches.

Answers

Answer: 12

Step-by-step explanation: you need to look at the paper

The probability P(Z>1.28) is closest to: (a) −0.10
(b) 0.10
(c) 0.20
(d) 0.90

Answers

Answer:

Step-by-step explanation:

The probability P(Z>1.28) represents the area under the standard normal distribution curve to the right of the z-score 1.28.

Using a standard normal distribution table or a calculator, we find that the area to the right of 1.28 is approximately 0.1003.

Therefore, the answer is closest to option (b) 0.10. there is a 10% chance of obtaining a value above 1.28 in a standard normal distribution.

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