Use expressions for odd integers to confirm the conjecture that the product for two odd integers is an odd integer.

Answers

Answer 1

k, n - integers  

2k+1  - an odd integer

2n+1  - another odd integer

The product of them:

  (2k + 1)(2n + 1) =

= 4kn + 2k + 2n + 1 =

= 2(2kn + k + n) + 1

The product of integers (2kn) is integer

and the sum of them (2kn+k+n) also is integer

So  (2k + 1)(2n + 1)  = 2(2kn + k + n) + 1  is an odd integer


Related Questions

Organizational culture is set by a. the manager b. the ethics committee c. the engineer d. none of the given options

Answers

Organizational culture is defined as the common beliefs, values, attitudes, customs, behaviors, and traditions that characterize a specific organization and determine the manner in which it functions. Organizational culture is set by the manager.

In a corporate or business environment, organizational culture can influence the daily operations of employees. It is the responsibility of managers to create a positive culture that emphasizes teamwork, respect, integrity, and accountability. The manager is an essential individual responsible for establishing and maintaining the organization's culture, which will ultimately define the employee's attitudes, behaviors, and productivity levels. He or she sets the tone for the workplace by creating an environment that fosters collaboration, innovation, and success. Employees need to feel connected to their workplace and colleagues to be motivated to do their best work. If a manager promotes a culture of fear, competition, or dishonesty, employees may become unmotivated or unproductive. An effective manager understands the importance of creating a positive workplace culture and works hard to establish and maintain it. Managers can establish a positive culture by encouraging open communication, providing regular feedback and recognition, fostering a sense of teamwork, creating opportunities for professional development, and setting high standards for performance. Managers must lead by example and demonstrate the behaviors and attitudes that they expect from their employees. They must hold themselves and others accountable for their actions, communicate expectations clearly, and provide support when needed. A positive organizational culture will enable an organization to attract and retain top talent, increase employee engagement, and promote collaboration and innovation.

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A​ student's cost for last semester at her community college was ​$ 3000 . She spent ​$ 600 of that on books. What percent of last​ semester's college costs was spent on​ book

Answers

The answer might be 20%. If this help, please give 5 likes. :)

Find the smallest number of people who live in New Jersey, a state with 21 counties, needed to guarantee that there are least 60 people who live in the same county

Answers

The smallest number of people who live in New Jersey as per given data is equal to 3.

The smallest number of people needed to guarantee that there are at least 60 people who live in the same county in New Jersey,

We can consider the worst-case scenario.

Assuming the distribution of people across the counties is such that each county has the same number of people,

Calculate the minimum number of people needed.

Let us assume x is the number of people in each county.

To guarantee that there are at least 60 people in the same county,

Set up the following inequality,

21 × x ≥ 60

Simplifying the inequality,

⇒ x ≥ 60 / 21

⇒ x ≥ 20/7

Since x represents the number of people in each county, it must be a whole number.

The smallest number of people needed is the smallest integer greater than or equal to 20/7.

The smallest integer greater than or equal to 20/7 is 3.

Therefore, smallest number of people needed to guarantee that there are at least 60 people who live in same county in New Jersey is 3.

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Given a confidence interval for a certain confidence level and sample size determine the mean of the sample and the margin of error:

Given a confidence interval for a certain confidence level and sample size determine the mean of the

Answers

Answer: 94, 9

Explanation:

The formula for calculating the margin of error is expressed as

margin of error = (upper value - lower value)/2

From the information given,

upper value = 103

lower value = 85

margin of error = (103 - 85)/2

margin of error = 9

To find the sample mean, we would apply the formula below;

sample mean = upper value - margin of error

sample mean = 103 - 9

sample mean = 94

1. what is the predecessor of 8001001
-​

Answers

Answer:

8.001. 000

Step-by-step explanation:

Predecessor (n-1) 8.001.000

Need to write a proportion to find the length of PS

Need to write a proportion to find the length of PS

Answers

Okay, here we have this:

Considering the provided information, and figures, we are going to find the requested length, so we obtain the following:

Let us remember that if two figures are proportional, then they are proportional between corresponding segments, therefore we have:

\(\begin{gathered} \frac{RS}{VW}=\frac{PS}{TW} \\ \frac{35}{25}=\frac{PS}{15} \\ PS=\frac{35}{25}\cdot15 \\ PS=\frac{7}{5}\cdot15 \\ PS=\frac{105}{5} \\ PS=21 \end{gathered}\)

Finally we obtain that the measure of PS is 21 units.

2 1/2 divided by 5/2 = ?

Answers

Answer:

I always do keep change flip when dividing fractions. First change the mixed number into an improper fraction. So keep the first fraction the same, change the operation, and flip the second fraction. The equation should be 5/2 x 2/5. This gets you 10/10. And that simplified is 1.

Step-by-step explanation:

Coach Burns charted the change in his runners' 5K times from the first race of the year to the second race of the year.
Which student improved the most by decreasing the time needed to run the race?
Overall Change in 5K Times from the First to the Second Race
Runner
Time over (+) or under (-) previous run
Albert
-15.7 seconds
Cody
+1.4 seconds
Hannah
+4.5 seconds
Yasim
-37.4 seconds
Albert
Cody
Hannah
Yasim

Answers

Answer:

The answer is Yasim because the opposite of -37.4 is +37.4

Step-by-step explanation:

i took the test and got it right

Answer:

D.) Yasim

Step-by-step explanation:

I took the topic test. Good Luck! <3

Suppose that a photocopy machine can reduce copies to 65 percent of their original size. By copying an already reduced copy, further reductions can be made. 1. If a page is reduced to 65 percent, what percent enlargement is needed to return it to its original size? 2. Estimate the number of times in succession that a page must be copied to make the final copy less than 15 percent of the size of the original.

Answers

The sequence 200, 40, 8, ... is a geometric sequence. Let's define the geometric sequence before we explain why the above sequence is geometric. In a geometric sequence, each term is multiplied by the same common ratio to obtain the next term.

A geometric sequence can be represented by the formula a, ar, ar^2, ar^3, ... , where a is the first term, r is the common ratio, and ar, ar^2, ar^3, ... are the successive terms. The common ratio can be calculated using any two consecutive terms in the sequence.To determine if a sequence is geometric or not, we need to check whether the ratio of successive terms is the same. In the given sequence, 200 is the first term, 40 is the second term, and 8 is the third term.

So, the common ratio is =0.2Similarly, the ratio between 40 and 8 is Therefore, the ratio of successive terms is 0.2, which is constant. Hence, the given sequence is a geometric sequence.

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5x-3(x-2)=4

This is for Algebra 1

Answers

Answer:

5x-3(x-2)=4

5x-3x+6=4

2x+6=4

2x= 4-6

2x= -2

x = -1

1) megan is making a quilt from squares of material. the quilt has 9 rows of 6 squares. the
corner squares and the two center squares in the middle row are white. each square sharing a
side with a white square is gold. of the remaining squares, half are blue and half are pink.
a)
how many squares are gold?
how many squares are blue?
b)

Answers

The total number of gold and blue squares are 18 and 13 respectively.

Here, we are given that Megan is making a quilt from squares of material.

The quilt has 9 rows and each row has 6 squares.

There are 4 corner squares in the quilt which will be white. Around 1 corner square there will be 3 squares that share a side with the white square.

Thus, there will be a total of 12 gold square around the 4 corner squares.

Further, there are two center squares in the middle row that are white.

Around these 2 center white squares there will be 6 squares that share a side with them. Hence, these 6 square will also be gold.

Therefore, the total number of gold squares will be-

6 + 12

= 18

Now, the white squares = 4 + 6 = 10

and gold squares = 18

and the total number of squares = 9 × 6 = 54

Thus, the number of remaining squares = 54 - 18 - 10

= 26

Out of these remaining 26 squares half will be blue and half pink.

Thus, the number of blue squares will be-

26/2

= 13

Hence, we find that the total number of gold and blue squares are 18 and 13 respectively.

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If P(A) = 0.4 and P(B) = 0.6, then A and B must be collectively exhaustive. True False Could you please explain why?

Answers

Therefore, we cannot determine whether A and B are collectively exhaustive just from their probabilities that is the given statement is false.

The statement "A and B must be collectively exhaustive" means that the events A and B together cover all possible outcomes of the experiment. In other words, if A and B are collectively exhaustive, then there are no other possible outcomes of the experiment besides A and B.

In this case, we cannot determine whether A and B are collectively exhaustive just from their probabilities. It is possible that there are other events that could occur in the experiment that are not represented by A or B.

For example, if the experiment is flipping a coin, then A could represent the event of getting heads and B could represent the event of getting tails. In this case, A and B are collectively exhaustive because they cover all possible outcomes of the experiment. However, if there is a third event C that represents the coin landing on its edge, then A and B are not collectively exhaustive because there is another possible outcome of the experiment that is not represented by A or B.

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Define one corner of your classroom as the origin of a three-dimensional coordinate system like the classroom shown. Write the coordinates of each item in your coordinate system.One corner of the blackboard

Answers

The coordinates of one corner of the blackboard would be (3, 0, 2) in the three-dimensional coordinate system.

To define one corner of the classroom as the origin of a three-dimensional coordinate system, let's assume the corner where the blackboard meets the floor as the origin (0, 0, 0).

Now, let's assign coordinates to each item in the coordinate system.

One corner of the blackboard:

Let's say the corner of the blackboard closest to the origin is at a height of 2 meters from the floor, and the distance from the origin along the wall is 3 meters. We can represent this corner as (3, 0, 2) in the coordinate system, where the first value represents the x-coordinate, the second value represents the y-coordinate, and the third value represents the z-coordinate.

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x − 3y if x = 3 and y = −2.

Answers

Answer:

Step-by-step explanation:

x - 3y

3 - 3(-2) = 3 + 6 = 9

What is the worst-case time complexity of finding an element in a sorted std::list if the restriction of 0(1) additional memory is removed? A. (log(n)) B. O(n)) C. O(nlog(n)) D. (n2) E. (21)

Answers

The worst-case time complexity of finding an element in a sorted std::list if the restriction of O(1) additional memory is removed is O(n).

In the worst-case scenario, finding an element in a sorted std::list requires iterating through each element until the desired element is found. Therefore, the time complexity would be proportional to the size of the list, which is O(n). Removing the restriction of O(1) additional memory means that binary search, which has a time complexity of O(log n) but requires O(n) additional memory, cannot be used. Thus, linear search becomes the only option, which has a time complexity of O(n).

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.a) Find the steady-state vector for the transition matrix.
.8 1 .2 0
x= ______
__________
b) Find the steady-state vector for the transition matrix.
1 4
7 7
6 3
7 7
These are fractions^
x= _____
________

Answers

a) The steady-state vector for the transition matrix [0.8 0.1; 0.2 0] is [0; 0]. b) The steady-state vector for the transition matrix [1/7 4/7; 6/13 3/13; 7/14 7/14] is [0; 0; t], where t is a non-zero constant.

a) To find the steady-state vector for the transition matrix [0.8 0.1; 0.2 0], we need to solve the equation X = AX, where X is the steady-state vector and A is the transition matrix.

Setting up the equation, we have

X = [0.8 0.1; 0.2 0] * X

Expanding the matrix multiplication, we get

X₁ = 0.8X₁ + 0.2X₂

X₂ = 0.1X₁ + 0X₂

Simplifying the equations, we have

0.2X₁ - 0.1X₂ = 0

0.1X₁ - 1X₂ = 0

Solving these equations, we find that X₁ = X₂ = 0. The steady-state vector for this transition matrix is X = [0; 0].

b) To find the steady-state vector for the transition matrix [1/7 4/7; 6/13 3/13; 7/14 7/14], we need to solve the equation X = AX, where X is the steady-state vector and A is the transition matrix.

Setting up the equation, we have

X = [1/7 4/7; 6/13 3/13; 7/14 7/14] * X

Expanding the matrix multiplication, we get:

X₁ = (1/7)X₁ + (6/13)X₂ + (7/14)X₃

X₂ = (4/7)X₁ + (3/13)X₂ + (7/14)X₃

Simplifying the equations, we have

(6/13)X₂ + (7/14)X₃ = 0

(4/7)X₁ + (3/13)X₂ + (7/14)X₃ = 0

Solving these equations, we find that X₁ = 0, X₂ = 0, and X₃ can take any non-zero value. Therefore, the steady-state vector for this transition matrix is X = [0; 0; t], where t is a non-zero constant.

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What is the equation of the line that has a slope of 1/4 and goes through the point (8, -3)?

y= 1/4x -5

y= 1/4x +1

y= 1/4x =11

y= 1/4x +5

Answers

it's b please mark as brainly!

It takes Jim 3 hours to mow his lawn. Jim is 80% finished. How much longer, in minutes, will it take Jim to completely finish mowing his lawn?

Answers

Answer:

36 minutes

Step-by-step explanation:

Write down Jim's rate:  

 1 lawn            1 lawn

------------- or --------------------

 3 hours        180 minutes

Multiply numerator and denominator both by 0.20:

0.20 lawn

---------------     which tells us it will take Jim 36 more minutes to finish his

 36 min         mowing.

Dustin wants a new pair of shoes that cost $40. His mom pays 75% of the cost and dustin pays 25%. How much do they each pay?

Answers

Given:

Dustin wants a new pair of shoes that cost $40.

His mom pays 75% of the cost and dustin pays 25%.

To find:

How much do they each pay?

Solution:

We have,

Total cost of shoes = $40

His mom pays 75% of the cost.

\(\text{Mom pays}=\dfrac{75}{100}\times 40\)

\(\text{Mom pays}=\dfrac{3}{4}\times 40\)

\(\text{Mom pays}=30\)

Dustin pays 25% of the cost.

\(\text{Dustin pays}=\dfrac{25}{100}\times 40\)

\(\text{Dustin pays}=\dfrac{1}{4}\times 40\)

\(\text{Mom pays}=10\)

Therefore, Dustin pays $10 and his mom pays $30.

Lin is shopping for a couch with her dad and hears him ask the salesperson, "How much is your commission?" The salesperson says that her commission is 6% of the selling price. How much commission will the salesperson earn by selling a couch for $495?

Answers

The commission amount the salesperson earn is $29.7.

What is a percentage?

The percentage formula is dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

Selling price = $495

Commission = 6%

Now,

The amount of commission.

= 6% of 495

= 6/100 x 495

= 29.7

Thus,

The commission the salesperson earn is $29.7.

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A kids’ movie ticket costs $5.25.

Type your answers in the boxes below.

a. One day, 200 kids’ tickets were purchased. What was the total cost of those tickets?

----------------- answer

Answers

Answer:

$1,050

Step-by-step explanation:

Simply multiply the cost per kid ticket and number of kids:

$5.25 x 200 = $1,050

Carpet sells for $4 per square foot and will cost you $616 to recarpet your rectangular room. if your room is 14 feet long, how many feet wide is it?

Answers

When carpet sells for $4 per square foot and will cost you $616 to carpet your rectangular room, if you room is 14 feet long then the width is 11 feet

Given,

The cost of Carpet per square foot = $4

Total cost of the carpet = $616

We know

Area of the rectangle = Length × Width

Length = 14 feet

Consider the width of the rectangular room as x

Then the area of the room = 14x

Total cost of carpet = Area of the rectangular room× Cost of carpet per foot

Substitute the values

14x×4=616

14x=154

x=11 feet

Hence, When carpet sells for $4 per square foot and will cost you $616 to carpet your rectangular room, if you room is 14 feet long then the width is 11 feet

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Select the correct answer.


Irene made a mistake when she solved this inequality:


Step 1: -6(x + 3) + 10 <-2


Step 2: -6x - 18 + 10<-2


Step 3: -6x -8<-2


Step 4: -6x<6


Step 5: x<-1


between which two consecutive steps did irene make a mistake?

Answers

Step 4, step 5. You must flip the inequality sign if it’s a negative number.

A pentagon is made up of an equilateral △ABC of side length 2cm on top of a square BCDE. Circumscribe a circle through points, A,D and E. The radius of the circle is
A1+√32
B5−2√3
C 2
D 1+√3

Answers

The circle's radius circumscribed through points, A,D and E are 2 units.

Look at the image  of the figure attached below for a better understanding of the solution :

From the given figure, we can conclude the following data:

AP = √3/2(a)  → 1 length of the median for the triangle of side a.

by putting the value of a. we get:

AP = √3/2(2)  = √3

AQ = AP + PQ = √3 + 2

Area of triangle AEΔ = 1/2 × EΔ × AQ = 1/2(2) (√3+2)

AE = AD = √(EQ)² + (AQ)²

= √(1)² + (2+√3)² = √1+4+3+4√3 = √8+4√3

= 2√2+√3

We know that,

R = abc/4Δ

R = 2(2×√2+√3)  (2√2+√3) / 4{1/2×2×(√3+2)}

R= 2{4(2+√3)} / 4(√3+2)²

On solving the above equation we get ,

R = 2 units.

As a result, the radius of the circle is 2 units when it is defined by the points A, D, and E.

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A pentagon is made up of an equilateral ABC of side length 2cm on top of a square BCDE. Circumscribe

I did not pay attention to the class- so can someone explain how to do dis type of problem- and the answers-

I did not pay attention to the class- so can someone explain how to do dis type of problem- and the answers-

Answers

just add up all the exponents and the ones without exponents just count for 1

Move numbers to the blank to show the solution to the system of equations y = f(x) and y = g(x)

Move numbers to the blank to show the solution to the system of equations y = f(x) and y = g(x)

Answers

Answer:

-1, -1, 1/2, and 2

Step-by-step explanation:

Sorry if I’m wrong

Just answer B giving brainliest help asap!

Just answer B giving brainliest help asap!

Answers

I think be careful about what you’re saying because you don’t know how much you can get done

Answer: For every 30 adult tickets sold 7 kid tickets were sold

Step-by-step explanation:

Determine if the following argument always applies, sometimes applies, or never applies. Provide at least 2 examples in your explanation. The exponent represents the number of times to multiply the base number by itself.

Answers

Answer:

Always applies

The exponent is meant to express the number of times to multiply the base by itself- examples: 5 raised to the power of 5 is 3125 and 7 raised to the power of 3 is 343

Divide.

78÷(−512)


−2110

−1021

−3596

Answers

Answer:

-6727.15234375

Step-by-step explanation:

Answer:A

........................

the region that lies inside the cardioid r=7+cos(theta) and outside the circle r=7 is the base of a solid right cylinder. The top of the cylinder lies in the plane z=x. Find the cylinder's volume.
V=

Answers

The volume of the cylinder is given by:

V = π * h * (R^2 - r^2)

where h is the height of the cylinder, R is the radius of the larger circle, and r is the radius of the smaller circle.

In this case, h = 1, R = 7 + cos(θ), and r = 7. We can simplify the formula as follows:

where h is the height of the cylinder,

R is the radius of the larger circle,

r is the radius of the smaller circle.

V = π * (7 + cos(θ))^2 - 7^2

We can now evaluate the integral at θ = 0 and θ = 2π. When θ = 0, the integral is equal to 0. When θ = 2π, the integral is equal to 154π.

Therefore, the value of the volume is 154π.

The region of integration is the area between the cardioid and the circle. The height of the cylinder is 1.

The top of the cylinder is in the plane z = x.

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pls tell me what is x^2-3(x+2) Unlike other polygraph tests, the guilty knowledge test (GKT): a. relies heavily on the expertise of polygraph examiners b. reduces polygraph examiners to mere technicians c. places the burden of proof on the polygraph machine d. places the burden of proof on the polygraph examiner's skills suppos there is a 1.2f drop in temperature for every thousand feet that an airplane climbs into the sky. if the temperature on the ground is 53.8f what will be the temperature when the plane reaches an altitude of 8,000ft? What is the radius of the circle if the area is 50 and the angle is 80 degrees? whats the answer to this -2-3-(-4) 19. Evaluate the frequency of the third harmonics of aclosed pipe of length 0. 3m. [speed of sound in air = 340ms-'](a) 1416. 7Hz (b) 850. 0Hz(c) 1511. 1 Hz(d) 283. 3 Hz What approaches can you use for construct validation in personality assessment? all three of the worm phyla are characterized by segmented bodies.true or false Use the Laplace transform method to solve the following IVP y"-6y +9y=t, y(0) = 0, y'(0) = 0. 7. Will you most likely obtain conservative or unconservative estimates of consolidation se from disturbed clay samples? Briefly explain your answer. What is the fluoride ion concentration for a saturated solution of BaF 2 if the K sp for BaF 2 is 1.8 10 -7 ? Sally has been measuring the tree in her yard for a science project. The tree has grown 12 of an inch each month and grown a total of 2 inches taller. How many months has Sally been measuring this tree? How did the process of making a photograph change over time? 24. Why is parentinganenergy-depleting role? I WILL GIVE BRAINLIEST!!!!!Why did Hamilton believe the united states needed a national bank? During each summer, many families spend part of their vacation time at a beach along the East or West Coast. Due to the popularity of movies like Jaws and The Shallows, and publicity about recent shark attacks on surfers, swimmers, snorkelers, and spearfishermen, Americans have become increasingly concerned about water activities. Research suggests that 58% of all shark attacks involve surfers. One thousand records of shark attacks are selected, and each is categorized by the victim group. Identify the population, sample, and variable for the study.Population Sample Variablea. all families who spend part of their vacation at a beach along the East or West coast b. Americans who are concerned about water activities c. the percentage of shark attacks that involve surfers d. the set of groups to which the victims of shark attacks belong e. all shark attacks f. the 1000 records of shark attacks that were examined An investment pays 10% interest compounded monthly. What percent, as a decimal, is the effective annual yield? Enter your answer as a decimal rounded to four decimal places. Can you please help me A population has 75 observations. One class interval has a frequency of 15 observations. The relative frequency in this category is: What are some hopeful signs of accommodation for refugees and the European response mentioned in this report? What are some concerning ones?