Identifying partial, strict, and total orders.
For each relation, indicate whether the relation is a partial order, a strict order, or neither. If the relation is a partial or strict order, indicate whether the relation is also a total order. Justify your answers.
(i) The domain is the set of all runners in a race. x is related to y if x beat y in the race. At least two runners in the race tied.
(j) S = {a, b, c, d}. The domain is P(S), the power set of S. For X, Y that are subsets of S, X is related to Y if |X| ≤ |Y|.
(k) S = {a, b, c, d}. The domain is P(S), the power set of S. For X, Y that are subsets of S, X is related to Y if |X| < |Y|.

Answers

Answer 1

Answer:

Step-by-step explanation:

From the given information:

(i)

The domain includes all runners in a race.

x is "R" y if x beats y

clearly, x "R" x implies no meaning and sense ⇒ irreflexiveIf x "R" y ⇒ y does not beat x. Thus; asymmetricIf x "R' y and y "R" Z ⇒ Transitive.

Now, in a race; either x beats y or y beats x

So, x"R"y or y "R" x, but here at least two runners tied.

Thus, the relation is not in total order as x"R"y or y"R"x may not happen.

(j)

S = {a,b,c,d}

The domain = Power set of S

x"R"y if |X| ≤ |Y|

clearly |X| ≤ |X|  ⇒ reflexive[tex]If \ |X| \le |Y| \ and \ |Y| \le |X|[/tex] ⇒ |X|=|Y| ⇒ Antisymmetric[tex]If |X| \ \le \ |Y| \ and \ |Y| \ \le \ |Z|[/tex] ⇒ |X| ≤ |Z| ⇒ Transitive

Thus, the relation is a partial order.

(k)

S = {a,b,c,d}

The domain = Power set of S

x"R"y if |X| ≤ |Y|

clearly |X| < |X|  ⇒ Irreflexive[tex]\text{If } |X| < |Y| \ and \ |Y| < |X|} \implies Antisymmetric[/tex][tex]|X| < |Y| \ and \ |Y| < |Z| \implies |X| < |Z|[/tex] ⇒ TransitiveThus, the relation is of strict order but not of the total order.


Related Questions

What is the domain of the function y=xVx?
- 0 0 0 O 15x<0

Answers

Answer:

Option A will be your answer

Step-by-step explanation:

hope it helps...

have a great day!!

The cube root function , has no domain restrictions. The domain of the cube root function is all real numbers, or ℝ .

What is domain ?

The domain of a function is the complete set of possible values of the independent variable.

The domain is the set of all possible x-values which will make the function "work", and will output real y-values.

When finding the domain, remember:

The denominator (bottom) of a fraction cannot be zero.

The number under a square root sign must be positive in this section.

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

Domain: (- ∞ , ∞) , {x | x ∈ [tex]\mathbb{R}[/tex]}

Hence, The domain of the cube root function is all real numbers, or ℝ .

To learn more about the domain here:

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Convert the following polar-form vectors of the form ⟨r,θ⟩ into component-form vectors of the form ⟨x,y⟩. Your answers should be in the form "< #, # >". ⟨13,50∘⟩=   ⟨1.77,250∘⟩=    ⟨5.8,150∘⟩= ​

Answers

9514 1404 393

Answer:

  a) <8.356, 9.959>

  b) <-0.605, -1.663>

  c) <-5.023, 2.9>

Step-by-step explanation:

Many calculators can perform polar ⇔ rectangular conversion. Attached is the result from one of them. Of course, you can also program a spreadsheet to do it. (The ATAN2( ) function is useful for finding the correct angle.)

If you want to do these calculations by hand, the conversion is ...

  <r, θ> ⇒ <r·cos(θ), r·sin(θ)>

In the attached, the rectangular coordinates are shown as complex numbers. The imaginary component is the y-component of the vector.

Please help me with this problem, thanks

Answers

A is the answer I believe , the L and M means they are parallel they don’t intersect with each other

a circular table top has a radius of 3 feet. a decorative trim is placed along the outside edge if the table. how long is the trim

Answers

Answer:

about 18.85

Step-by-step explanation:

Find an angle between 0 and 2 pi that is coterminal with -17 pi/ 10

Answers

Answer:

3pi/ 10

Step-by-step explanation:

Enter a problem...

Trigonometry Examples

Popular Problems

 

Trigonometry

 

Find the Reference Angle (17pi)/10

17π1017π10

Since the angle 17π/ 10 is in the fourth quadrant, subtract 17π/10 from2π.

2π−17π/10

The angle between 0 to [tex]2\pi[/tex] that is coterminal with [tex]-\frac{17\pi }{10}[/tex] is [tex]\frac{3\pi }{10}[/tex].

What is coterminal angle?

Coterminal angles are angles in standard position (angles with the initial side on the positive x -axis) that have a common terminal side.

Angles are considered to be in standard position if the initial side is on the positive x-axis and the vertex at the (0,0) point of the Cartesian plane. All angles generated that share the same terminal side are coterminal angles. These are angles that have differences of multiples of 360n or n2pi where n is an integer.

A coterminal angle is found by simply adding or subtracting 360 and its multiples.

The coterminal angles of 20 degrees for example are 20 + 360 = 380 or 20 - 360 = -340. This may continue by adding or subtracting 360 each time.

To get coterminal angles, you simply have to add or subtract 2[tex]\pi[/tex].

According to this problem,

We are looking for a coterminal angle that is between 0 to 2[tex]\pi[/tex], so we will add [tex]2\pi \ to \ \frac{-17\pi }{10}[/tex].

= [tex]\frac{-17\pi }{10} +\frac{20\pi }{10}[/tex]

= [tex]\frac{-17\pi +20\pi }{10}[/tex]

= [tex]\frac{3\pi }{10}[/tex]

Hence,

The angle between 0 to [tex]2\pi[/tex] that is coterminal with [tex]-\frac{17\pi }{10}[/tex] is [tex]\frac{3\pi }{10}[/tex].

Find out more information about coterminal angle here

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Tickets to a play cost $8.00 each.
Write an expression to find the
total cost of "b" boys &
"g" girls.

Answers

Answer:

Step-by-step explanation:

b + g = 8x

PLS HELP ME ASAP! Dont answer for points & no links for other sites or i will report you. I'm running out of points plss

Answers

The answer is C. Btw what happens if u run out of points

Brainliest for correct answer asap

Answers

Answer:

1st one

Step-by-step explanation:

Step-by-step explanation:

answerss

the Last one or the 1st one but go w it the last

Study island on 5a area

Answers

Answer:

d'Italia dies does did

Step-by-step explanation:

sun will use this rod hero oath his ryu

What is the measure of n?
n
20
m
5
N= [?]
Please help I’ll give brainliest

Answers

Answer:

n = 10

Step-by-step explanation:

n is the altitude of the right triangle.

Apply the right triangle altitude theorem/geometric mean theorem to find n.

Which is:

h = √(xy)

Where,

h = n =?

x = 5

y = 20

Plug in the value into the equation

n = √(20*5)

n = √100

n = 10

Answer:

Step-by-step explanation:

Please help Im stuck ty ...

Answers

Answer:

1500

Step-by-step explanation:

1/4t=500lbs so 500x3=1500

A parallelogram has a base of 10 feet and a height of 12 feet.
Use the figure to complete the statements.

The area of the parallelogram is __________ft2.

First choice: 120
Second choice: 100
Third choice: 144
Fourth choice: 22

Answers

Step-by-step explanation:

♨ [tex] \underline{ \underline{ \large{ \tt{G \: I \: V \: E \: N}}}} : [/tex]

Base ( b ) = 10 ftHeight ( h ) = 12 ft

♨ [tex] \underline{ \underline{ \large{ \tt{ T\: O \: \: F \: I \: N \: D}}} }: [/tex]

Area of the parallelogram

☪ [tex] \underline{ \underline{ \large{ \tt{S \: O \: L \: U \: T\: I \: O \: N}}}} : [/tex]

[tex] \boxed{ \large{ \sf{Area \: of \: a \: parallelogram ( \: A \: )= base \: (b) \times height \: (h)}}}[/tex]

⟼ [tex] \large{ \sf{10 \: ft \times 12 \: ft}}[/tex]

⟼ [tex] \boxed{ \large \sf{120 \: {ft}^{2} }}[/tex]

☃ [tex] \boxed{ \boxed{ \large{ \sf{OUR \: FINAL \: ANSWER : \boxed{ \underline{ \bold{120 \: {ft}^{2} }}}}}}}[/tex]

Hope I helped ! ♡

Have a wonderful day / night ! ツ

Let me know if you have any questions regarding my answer! ☄

☞ [tex] \underline{ \underline{ \mathfrak{Carry \: On \: Learning}}}[/tex] !! ✎

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

Answer:

First choice: 120 ft² is a required answer.

Step-by-step explanation:

The area of the parallelogram is __________ft2.

=base ×height=10×12=120ft²

I WILL GIVE YOU BRAINLIEST!
What is the measure of n?
12
4
n
m
n =
V[?]
Enter

Answers

After answering the question provided, we can predict that the result will be as in the triangle by Pythagorean theorem = [tex]\sqrt{12^2 - 4^2}[/tex] => N = [tex]\sqrt{144 - 16}[/tex] => n = [tex]\sqrt{132}[/tex]

What precisely is a triangle?

A triangle is a polygon because it includes four or so additional parts. It features a simple rectangular shape. A rectangle having edges A, B, and C is referred to as a triangle. When the sides are actually not collinear, Euclidean geometry yields a single plane and cube. If a triangle contains three parts and three angles, it is a polygon. The intersections of a triangle's three sides are referred to as its corners. The sum of a triangle's sides is 180 degrees.

by Pythagorean theorem

n = [tex]\sqrt{12^2 - 4^2}[/tex]

N = [tex]\sqrt{144 - 16}[/tex]

n = [tex]\sqrt{132}[/tex]

To know more about triangle visit:

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please help me:(***********​

Answers

Answer:

A:

Square

Rectangle

Parallelogram

Quadrilateral

Rhombus

Step-by-step explanation:

All sides and angles are equal so it is a square

All angles are 90 degrees so it is a rectangle (eliminate C)

Opposing angles and side lengths are congruent so it is a parallelogram (eliminate D)

It has 4 sides so it is a quadrilateral (eliminate B)

Since all of the other answers are eliminated you don't necessarily need to prove that is is a rhombus, but it is good practice.

Opposing sides are congruent so it is a rhombus.

Please someone help! I've been struggling with this assignment! SHOW ALL WORK.
- Seats in a theater are curved from the front row to the back. The front row has 10 chairs, the second has 16 and the third has 22, and so on.
a) Write a recursive rule for this series:

b) Write an explicit rule for this series:

c) Using the explicit formula, find the number of chairs in row 5 (show work)

d) The auditorium can hold 17 rows of chairs. Write a sigma notation for this series, and then use either series formula to calculate how many chairs can fit in the auditorium.

Answers

Answer:

The series:

10, 16, 22, ...

This is an AP with the first term a₁ = 10 and common difference d = 6

a) Recursive formula:

a₁ = 10,aₙ = aₙ₋₁ + 6

b) Explicit formula:

aₙ = a₁ + 6(n - 1)  ⇒ aₙ = 10 + 6n - 6  ⇒ aₙ = 6n + 4

c) n = 5 ⇒ a₅ = ?

a₅ = 6*5 + 4 = 34

d) S₁₇ = ?

Sₙ = n(a₁ + aₙ)/2 = n(2a₁ + (n - 1)d)/2S₁₇ = 17(2*10 + 16*6)/2 = 986

Step-by-step explanation:

sn=15+(n-1)2

the 20th row n=20 so the seats are  

15+(20-1)(2)=53 seats

Explicit formula:

aₙ = a₁ + 6(n - 1)  ⇒ aₙ = 10 + 6n - 6  ⇒ aₙ = 6n + 4

Write a formula to illustrate this arithmetic sequence:

sharon bought a $2,100 high definition television set on a six month rent to own plan. the down payment was 10%. what was the dollar value of the down payment? her monthly payments were $75 per month. if she decides not to buy the HDTV after the six months, what was her cost to rent it?

Answers

Answer:

Total Sharon spent $660 for the tv

The down payment was $210

The amount that she paid for rent after 6 months is $450

Step-by-step explanation:

To find out how much her down payment was you would need to find out how much 10% of $2,100 is which is $210, so you know her down payment was $210.

Then you would find out the total cost of rent is after 6 months so you would do 6 times $75 which is $450. So if she decides to not buy it then after 6 months she would have spent $450 to rent it.

And total she would have spent $660 which you can find out by doing $450 + $210 = $660.

Hello, who would you do me the favor of helping me with this question?
He says:
Show, using the property of the number of diagonals of a polygon, that the triangles have no diagonals.
I hope they help me ​

Answers

Step-by-step explanation:

diagonal of a polygon formular =sum of diagonal =5-3-5/2. A triangle do not have diagonal

Find the quadratic root of 3x2-4x+2=0​

Answers

Answer:

Step-by-step explanation:

Select all possible solutions for 2x + 7 ≤ 3x - 5.

Help this is due tomorrow!

Answers

Answer:

12,18,24,107, [I cant see the rest]

Step-by-step explanation:

x ≥ 12

Answer:

12

Step-by-step explanation:

I need help plz NO FILES no files helpppp it do at 2

Answers

Answer:

B

Step-by-step explanation:

325/5= 65

2 numbers are over 65

Help me here please

Answers

Hi, I hope this will help you answer the problem

y = 4x-9
y = x-3
Which method and why? Solve, shoving all work

Answers

Answer:

(2,-1)

Step-by-step explanation:

The ys in both questions are isolated on one side of the equation in both. The numerical coefficient of both is 1. Therefore you should equate the the left side of each equation to the other left side. The solution is the easiest one to solve because there is only 1 unknown on both sides.

4x - 9 = x - 3                      Subtract x from both sides.

4x-x - 9 = -3                       Combine

3x -9 = - 3                          Add 9 to both sides

3x - 9+9 = - 3+9

3x = 6                                Divide by 3

3x/3 = 6/3

x = 2

===============

Now use the second equation to solve for y

y = x - 3

y = 2 - 3

y = -1

==============

The solution is (2,-1)

it is known that a certain lacrosse goalie will successfully make a save 85.11 % of the time. Suppose that the lacrosse goalie attempts to make 12 saves. What is the probability that the lacrosse goalie will make at least 10 saves?

Answers

[tex]P(X\geq10)=P(X=10)+P(X=11)+P(X=12)=\binom{12}{10}p^{10}(1-p)^2+\cdots=73.95\%[/tex]

Answer:

the person aboce is correct ...

Need help with this one....​

Answers

Answer:

(3, -2) (8,3) first box

(6,26) (2,10) second box

(5,-1) (1,1) third box

Step-by-step explanation:

You plug the left number into the equation as x and then do the math to find what y should be equal to. This number should be equal to the right number in the parenthesis.

Write the equation of the line that passes through the point (-1,-5) and has a slope of -2?

Answers

Answer: Answer is B hope this helps

Step-by-step explanation:

Answer:

the correct answer is D. Hope it helps

Find five numbers so that the mean, median, mode and range are all 4.​

Answers

Answer:

The set of five numbers would be {2,4,4,4,6}

Answer:

The example set could be:

S

=

{

2

,

4

,

4

,

4

,

6

}

See explanation.

Explanation:

First you can notice that if the set was:

S

1

=

{

4

,

4

,

4

,

4

,

4

}

then it would fulfill 2 conditions: mean and median, but

the set does not have the mode because all numbers are the same,

the range is zero (again all numbers are the same)

To have the mode the set would have to have at least one element different from

4

, but if we changed only one element the mean would change, so at least two numbers need to be changed to keep mean equal to

4

..

Now to get the range the difference between the changed numbers should be

4

. That leads us to adding two to one number and subtracting two from the other.

Finally we can get the set from the answer.

URGENT GIVING BRAINLY and pts

Answers

Answer:

I think it's C.

Find the area of a regular 15-gon with radius 64 mm

Answers

Answer:

To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.

Step-by-step explanation:

00
A group of 150 middle school students were asked whether they prefer playing video games or watching TV in their spare time. The genders of the students and
their responses are reported in the following table.
Playing video
games
Watching TV
Girls
23
64
Boys
43
20
E
(a) What percentage of the students are girls?
(b) What percentage of the students prefer watching TV?
х
$
2

Answers

Answer:

58%56%

Step-by-step explanation:

a) Number of girls:

23 + 64 = 87

Percentage:

87/150*100% = 58%

b) Number of students prefer watching TV:

64 + 20 = 84

Percentage:

84/150*100% = 56%

Answer:

no of percentage of girls=no of girls/total ×100%

=87/150×100%=58%

percentage of the students prefer watching TV

=total no the students prefer watching TV/total std.×100%

=84/150×100%=56%

Sarah has two pizzas each pizza is cut into 10 equal slices she and her friends 14
slices what part of the pizza did they eat and how much is left right your answer as a decimal

Answers

30% of the pizza is left. 0.7
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