Consider the code over F4 with generator matrix 11 10 01 10 00
11 Construct a standard array for the code, and use it to decode
the words 00 11 01 and 11 11 10.

Answers

Answer 1

To decode the words 0011, 0101, 0110 and 1111, we can find the corresponding codeword in the standard array. The codewords for 0011, 0101, 0110 and 1111 are 0011, 0101, 0110 and 1111, respectively.



To construct a standard array for this code, we can start by finding the generator polynomial of the code. This can be done by multiplying the generator matrix with its transpose and finding the resultant matrix. This results in the generator polynomial: 110101001.

To construct the standard array, we first construct a parity check matrix, which is the transpose of the generator matrix: 0101 1001 1100 1000.

From the parity check matrix, we can then construct the standard array. The standard array consists of all the possible codewords given the generator polynomial and the parity check matrix. It can be constructed by multiplying the generator matrix with all possible vectors of length 3.

The standard array of the code is:
0011  0101  0110  1001  1010  1100  1101  1111

To decode the words 0011, 0101, 0110 and 1111, we can find the corresponding codeword in the standard array. The codewords for 0011, 0101, 0110 and 1111 are 0011, 0101, 0110 and 1111, respectively.

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Related Questions

What is the slope of the line?

Answers

For the equation y = 5, the slope of is obtained as option D: 0.

What is slope?

A line's steepness and direction are measured by the line's slope. Without actually using a compass, determining the slope of lines in a coordinate plane can assist in forecasting whether the lines are parallel, perpendicular, or none at all.

From the graph it can be seen that the line is for the function -

y = 5

So, the coordinate points are (0,5).

Write the equation in slope-intercept form y = mx + b.

Here m is the slope and b is the y-intercept.

So, this will be -

5 = m(0) + b

We can see that the value for m is 0.

Therefore, the slope value is 0.

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Evaluate the expression when q = 8
11q

Answers

Answer: 88

Step-by-step explanation:

Plug 8 in for q

11 x (8) = 88

11 (8)
11 x 8 = 88
Answer: 88

(12x^(3)-9x^(2)-21x+22)-:(3x-3) Your answer should give the quotient and the remainder.

Answers

The quotient of (12x^(3)-9x^(2)-21x+22) divided by (3x-3) is 4x^2 + 6x + 7, and the remainder is 0.

To find the quotient, use long division. First, divide the highest degree term of the numerator by the highest degree term of the denominator: 12x3 ÷ 3x = 4x2. Multiply the denominator by the quotient, then subtract this product from the numerator:

12x3 - 3x(4x2) = 9x2 - 4x2 = 5x2.

Divide the highest degree term of the new numerator by the highest degree term of the denominator: 5x2 ÷ 3x = 5x. Multiply the denominator by the quotient, then subtract this product from the numerator:

9x2 - 3x(5x) = -21x - 15x = -36x.

Divide the highest degree term of the new numerator by the highest degree term of the denominator: -36x ÷ 3x = -12. Multiply the denominator by the quotient, then subtract this product from the numerator:

-21x - 3x(-12) = 22 - (-36) = 58.

Divide the highest degree term of the new numerator by the highest degree term of the denominator: 58 ÷ 3 = 19. Since the degree of the numerator is lower than the degree of the denominator, 19 is the remainder.

Therefore, the quotient of (12x3 - 9x2 - 21x + 22) divided by (3x - 3) is 4x2 + 6x + 7, and the remainder is 0.

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A local middle school adopted a policy for school uniforms. Students can wear black pants or tan pants. They can wear a yellow shirt, a red shirt, a green shirt, or a white shirt. The tree diagram shows the possible outfit choices.

A tree diagram with outcomes B Y, B R, B G, B W, T Y, T R, T G, T W.

How many different choices does a student have when choosing a pair of pants and a shirt?
2
4
8
10

Answers

A student has 8 different choices when choosing a pair of pants and a shirt.

What is probability tree?

Without using intricate calculations, the likelihood of an event occurring is shown using a probability tree diagram. It shows every consequence that an event might have. A probability tree serves the aim of listing all potential outcomes of an event and calculating the likelihood of each one. A probability tree diagram can be used to indicate conditional probabilities or to show a sequence of independent occurrences.

The student can choose from four shirts and two pairs of pants (black or tan) (yellow, red, green, or white). We multiply the number of options for pants by the number of options for a shirt to get the total number of options:

2 choices for pants × 4 choices for a shirt = 8 total outfit choices

Therefore, a student has 8 different choices when choosing a pair of pants and a shirt.

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2. Which fraction is not equivalent to 25%?
(EXPLAIN WHY)
1/4
2/5
5/20
25/100

Answers

Answer:

The fraction that is not equivalent to 25% is 2/5.

To see why, we can start by converting 25% to a fraction. Recall that "percent" means "per hundred," so 25% is equal to 25/100 or 1/4.

Now, we can check each of the answer choices to see if they are equivalent to 1/4:

1/4 is already in the form of 1/4, so it is equivalent to 25%.

5/20 can be simplified by dividing both the numerator and denominator by 5, which gives 1/4. So 5/20 is also equivalent to 25%.

25/100 is the same as 1/4 (we converted 25% to 1/4 earlier), so it is equivalent to 25%.

This leaves us with 2/5 as the answer choice that is not equivalent to 25%. We can see this by converting 2/5 to a percent:

2/5 = 0.4

0.4 x 100% = 40%

So 2/5 is equivalent to 40%, which is not the same as 25%.

Answer: [tex]2/5[/tex] second option

Step-by-step explanation: 1/4 is equal to 25% because if you multiply by 100 and divide by 4 that will equal 25. 5/20 simplified to 1/4 which we know is 25%, 25/100 also does too. Therefore, the answer is 2/5 because it simplifies to 40% which isn't 25%.

Use the diagram to fill in the blanks.

Answers

Answer: BC/FG and AE/AC

Step-by-step explanation:

A patient weighing 21.1 pounds presents with a bacterial infection and is prescribed a course of Amoxicillin. An adult dose for the same type and severity of infection would be 771 mg given every 12 hours.
Choose the most appropriate formula given the information you have about the patient to calculate the dose to administer every 12 hours. Round your answer to the nearest tenth of a milligram as necessary.
Please help me by showing work . Thank you!

Answers

The most appropriate formula to use in this situation (patient with a bacterial infection and prescribed with Amoxicillin) is Clark's rule, and the dose to administer every 12 hours would be 108.4 mg.

The best formula to use in this situation is the Clark's rule, which is used to calculate the dose of medication for a child based on their weight and the adult dose. The formula is as follows:

Child dose = (Weight of child in pounds / 150) x Adult dose

In this case, the weight of the child is 21.1 pounds and the adult dose is 771 mg every 12 hours. Plugging these values into the formula, we get:

Child dose = (21.1 / 150) x 771Child dose = 0.1406666666666667 x 771Child dose = 108.384 mg every 12 hours

Rounding to the nearest tenth of a milligram, the child dose would be 108.4 mg and to administer every 12 hours.

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In 2001, a school population was 1138. By 2008 the population had grown to 1691. 1) How much did the population grow between the year 20001 and 2008?__ students 2) How long did it take the population to grow from 1138 students to 1691 students? __years 3) What is the average population growth per year? 4) What was the population in the year 2000 ? __students 5) Find an equation for the population, P, of the school t years after 2000 . P= ?
6) Using your equation, predict the population of the school in 2012?__ students

Answers

The predicted population of the school in 2012 is P = 1060 + 78.14(12) = 2002.68 students. We can round this up to 2003 students.

1. The population grew by _____students.

The population in 2001 was 1138 students, and in 2008, it had risen to 1691 students. Therefore, the population increased by 1691-1138 = 553 students.

2. The population took _____ years to grow from 1138 students to 1691 students.

From the year 2001 to the year 2008, the population increased from 1138 to 1691 students. The number of years it took for this growth is 2008-2001 = 7 years.

3. The average population growth per year is _____ students per year.

To obtain the average growth rate per year, divide the total growth in the population by the number of years between the starting year and the ending year. Therefore, the average population growth per year = (1691 - 1138) / 7 = 78.14 students per year.

4. The population in the year 2000 was _____ students.

Since the population was given for the year 2001, we'll have to work our way backward to find the population in the year 2000. It took 7 years for the population to increase from 1138 to 1691, so if we go back another year, we'll have to subtract the average yearly growth rate, which is 78.14 students. Therefore, the population in 2000 = 1138 - 78.14 = 1059.86 students, which we can round up to 1060 students.

5. An equation for the population P of the school t years after 2000 is P = _____.

We can use the formula for linear growth to determine the population of the school t years after 2000. The formula is P = P0 + rt, where P0 is the initial population (in the year 2000), r is the average annual growth rate, and t is the number of years. Therefore, the equation for the population P of the school t years after 2000 is P = 1060 + 78.14t.

6. The predicted population of the school in 2012 is _____ students.

To predict the population of the school in 2012 using the equation, we need to substitute t = 12 - 2000 = 12 into the equation we derived in part 5. Therefore, the predicted population of the school in 2012 is P = 1060 + 78.14(12) = 2002.68 students. We can round this up to 2003 students.

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Elisa has homework assignments in seven subjects she only has time to do five of them

Answers

Answer: What else? Is that the whole sentence to this story i dont get it?

Step-by-step explanation:

Are these two matrices equal? Justify your answer. [[3,-1,7],[2,6,-9],[-5,4,-2]]*[[-2,-9,7],[4,6,-1],[-5,2,3]]

Answers

No, these two matrices are not equal.

The first matrix is a 3x3 matrix with the elements [[3,-1,7],[2,6,-9],[-5,4,-2]] and the second matrix is also a 3x3 matrix with the elements [[-2,-9,7],[4,6,-1],[-5,2,3]]. In order for two matrices to be equal, they must have the same dimensions and the corresponding elements must be equal. In this case, the dimensions are the same, but the corresponding elements are not equal. For example, the first element in the first matrix is 3, but the first element in the second matrix is -2. Therefore, these two matrices are not equal.

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Using a standard deck of 52 cards, Lisa drew a card, recorded the suit of the card picked, then replaced it back in the deck. She continued this for a total of 40 draws. The table shows the frequency of each type of card drawn.
Diamonds = 7 Spades = 7 Hearts = 9 Clubs = 13
Determine the experimental probability of not selecting a diamond.

P(not diamond) = 82.5%

P(not diamond) = 72.5%

P(not diamond) = 10%

P(not diamond) = 7%​

Answers

Option A is correct, the experimental probability of not selecting a diamond is 82.5%.

What is Probability?

It is a branch of mathematics that deals with the occurrence of a random event.

The total number of cards drawn is 40, and the frequency of diamonds drawn is 7.

This means that the frequency of not selecting a diamond is:

40 - 7 = 33

So the experimental probability of not selecting a diamond is:

P(not diamond) = frequency of not selecting a diamond / total number of cards drawn

P(not diamond) = 33/40

P(not diamond) = 0.825

P(not diamond) = 82.5%

Therefore, the experimental probability of not selecting a diamond is 82.5%.

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Duchenne muscular dystrophy (DMD) is a genetic disorder characterized by progressive muscle degeneration and weakness due to the alterations of a protein called dystrophin that helps keep muscle cells intact. A published study estimated that the average survival (i.e., duration of disease is approximately 27 years. The annual incidence of DMD is approximately 0.017% or 17 cases per 100,000 people per year. What is the prevalence of people living with DMD? You may show your answer formatted as a percentage or number of cases per 100,000 people.

Answers

Answer:

459 cases per 100,000 people.

Step-by-step explanation:

To calculate the prevalence of DMD, we need to know the number of people living with the condition at a specific point in time. We can estimate this number by multiplying the annual incidence rate by the average duration of the disease:

Prevalence = Annual incidence rate x Average duration of the disease

Annual incidence rate = 0.017% = 17 cases per 100,000 people per year

Average duration of the disease = 27 years

Therefore, the prevalence of DMD can be estimated as:

Prevalence = 17 cases per 100,000 people per year x 27 years = 459 cases per 100,000 people

So, approximately 459 people out of 100,000 are living with DMD. This can also be expressed as a percentage by multiplying the above value by 100, which gives:

Prevalence = 459 cases per 100,000 people x 100% = 0.459% of the population

Therefore, the prevalence of DMD is approximately 0.459% or 459 cases per 100,000 people.

The cost of employee work stoppages is rising. Assume the average cost is now $360. If the average cost is normally distributed with a standard deviation of $88.
Required
a. What is the probability that the cost will be $260 or less
b. What is the probability that the cost will be more than $412
c. What is the probability that the cost will be between $260 and $412

Answers

So the probability of the cost being between $260 and $412 is 0.5953.

a. The probability that the cost will be $260 or less can be found by calculating the z-score and using a standard normal distribution table. The z-score is calculated as follows:

z = (x - μ)/σ

where x is the value we are interested in, μ is the mean, and σ is the standard deviation. In this case, x = 260, μ = 360, and σ = 88. So the z-score is:

z = (260 - 360)/88 = -1.14

Using a standard normal distribution table, we can find that the probability of the cost being $260 or less is 0.1271.

b. The probability that the cost will be more than $412 can be found by calculating the z-score and using a standard normal distribution table. The z-score is calculated as follows:

z = (x - μ)/σ

where x is the value we are interested in, μ is the mean, and σ is the standard deviation. In this case, x = 412, μ = 360, and σ = 88. So the z-score is:

z = (412 - 360)/88 = 0.59

Using a standard normal distribution table, we can find that the probability of the cost being more than $412 is 0.2776.

c. The probability that the cost will be between $260 and $412 can be found by subtracting the probability of the cost being $260 or less from the probability of the cost being $412 or less. Using the z-scores we calculated in parts a and b, we can find the probabilities from a standard normal distribution table:

P(x ≤ 260) = 0.1271
P(x ≤ 412) = 0.7224

P(260 < x < 412) = P(x ≤ 412) - P(x ≤ 260) = 0.7224 - 0.1271 = 0.5953

So the probability of the cost being between $260 and $412 is 0.5953.

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Josue tosses a coin and spins on the spinner at the right. What are all the possible outcomes

Answers

Answer: Without knowing the specifics of the spinner, it's not possible to list all the possible outcomes.

However, we can determine the total number of possible outcomes by multiplying the number of outcomes for each event. For example, if the coin has two possible outcomes (heads or tails) and the spinner has six possible outcomes, then the total number of possible outcomes would be:

2 (outcomes for the coin) x 6 (outcomes for the spinner) = 12 possible outcomes

If you provide me with the specific details of the spinner (such as the number of sections and what each section represents), I could list all the possible outcomes.

Step-by-step explanation:

Write a power function (y=ax^b) whose graph passes through the points (2,5) and (6,9)
show work

Answers

Answer:

To find the values of a and b that make the power function y = ax^b pass through the points (2,5) and (6,9), we can use the following system of equations:

5 = a2^b

9 = a6^b

We need to solve for a and b in this system.

One way to do this is to divide the second equation by the first equation, which eliminates a and gives:

9/5 = (6/2)^b

Simplifying this gives:

9/5 = 3^b

Taking the logarithm of both sides (with any base) gives:

log(9/5) = log(3^b)

Using the logarithmic property that log(a^b) = b*log(a), we get:

log(9/5) = b*log(3)

Solving for b, we get:

b = log(9/5) / log(3)

Plugging this value of b into one of the original equations (e.g., the first one) gives:

5 = a*2^(log(9/5)/log(3))

Solving for a, we get:

a = 5 / 2^(log(9/5)/log(3))

The proportion of Canadians with green eyes is 0.28. As part of a study of the genetic basis for skin sensitivity to sunlight, a research term collects a simple random sample of 600 Canadians. Answer the following questions to 4 places past the decimal.
a) How many people in the sample would you expect to have green eyes?
b) What is the standard deviation of the sample proportion? (Use the normal approximation from now on)
c) What is the probability that the sample proportion will exceed 0.2983?

Answers

The probability that the sample proportion will exceed 0.2983 is approximately 0.0708.

What are examples and probability?

It is predicated on the likelihood that something will occur. The justification for probability serves as the basic foundation for theoretical probability. For instance, the theoretical chance of receiving a head while tossing a coin is half.

a) 0.28 percent of Canadians have green eyes. This ratio can be used to calculate the anticipated proportion of sample members who have green eyes:

Estimated number of green eyed individuals = Percentage of green eyed individuals * Sample size

Estimated population of those with green eyes: 600 divided by 0.28

168 persons with green eyes are anticipated.

As a result, we would anticipate that 168 members of the sample have green eyes.

b) The formula for calculating the sample proportion's standard deviation is:

Sample proportion's standard deviation is equal to sqrt[(p * (1-p)) / n].

where n is the sample size, and p is the percentage of people with green eyes (0.28). (600).

Sample proportion's standard deviation is equal to sqrt[(0.28 * (1-0.28)) / 600].

Sample proportion's standard deviation is 0.0258.

As a result, 0.0258 is the sample proportion's standard deviation.

c) We're looking for the likelihood that the sample proportion will be more than 0.2983. As the sample size is large enough to allow for the use of the normal approximation, we may use the conventional normal distribution to determine this probability.

Then, we must use the following formula to standardise the sample proportion:

z = [(P * (1 - P)] / sqrt[(p - P)]

where P is the population proportion (0.28), n is the sample size, and p is the sample proportion (0.2983) that we are interested in (600).

z = (0.2983 - 0.28) / sqrt[(0.28 * (1 - 0.28)) / 600]

z = 1.47

The chance of a standard normal variable reaching 1.47 can be calculated using a standard normal distribution table or calculator and is roughly 0.0708.

Thus, 0.0708 is about how likely it is that the sample proportion will be more than 0.2983.

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the cost $C of transporting goods is directly proportional to the distance, d km. Given that C=100 when d=60 find

a) an equation connecting C and d

b) the cost of transporting goods for 45km

c) the distance if the cost of transporting goods is $120

Answers

Equation connecting C and d is C = 5/3 d.

What is Direct Proportion?

Direct Proportion of two quantities can be defined as that when one of the quantity increases, the other one also increases and vice versa.

(a) Given that,

C is directly proportional to d.

Equation can be written as C = kd, for some constant k.

Also, given,

C=100 when d=60

100 = 60k

k = 100/60 = 10/6 = 5/3

Equation is C = 5/3 d

(b) When d = 45 km

C = 5/3 × 45 = 75

Cost of transporting goods for 45 km is $75.

(c) When C = $120,

120 = 5/3 d

d = 120 × 3/5 = 72 km

Hence the distance is 72 km when the cost of transporting goods is $120.

Hence the equation is C = 5/3 d.

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20 points and mark brainly

Answers

Answer: D: 3 to 4

Step-by-step explanation:

Answer:

In Sharla's computer club, 4 out of every 7 members and girls. What is the ratio of boys to girls in the club?

D. 3 to 4

Maria filled her bathtub with 15 gallons of water. How many pints of water did she put in the tub?

D. 120 pints

Step-by-step explanation:

You're welcome.

if my flight leaves at 9am on a sunday (CST) calculate the time and day i will arrive at my destination if the flight takes 25hrs and 50mins. show working out.

Answers

Answer:

10:50 am, if you have to round the hour it would be 11 am on monday

Step-by-step explanation:

What I like to do for these type of problems is to add the 24hrs first so it would still be 9 am just on monday then we still have 1 hour and 50 minutes to add so

so it would be 10:50 am, if you have to round the hour it would be 11 am on monday

Answer:

10:50 am Monday

Step-by-step explanation:

Subtract 24 hours from 25 to skip a day.

25hours -24 hours=1 hour

It is monday 9am

Now we add 1 hour.

10 am monday

Add 50 minutes:

10:50 am Monday

Are the perimeter and the side length of squares proportional?

Answers

Answer:

Yes, the perimeter and side length of a square are proportional. This is because a square has four equal sides, so if you increase the length of one side by a certain factor, the perimeter (which is the sum of all four sides) will also increase by the same factor. In other words, if you double the length of a side of a square, you will also double its perimeter. Similarly, if you reduce the length of a side by a certain factor, the perimeter will also be reduced by the same factor. This relationship holds true for all squares, regardless of their size or orientation.

st fit for data collected on the sales commission employees ea What is the equation of the line of best fit?

Answers

The equation of the line of best fit is a mathematical representation of the relationship between two variables. It is typically written in the form,

y = mx + b.

where m is the slope and b is the y-intercept. To find the equation of the line of best fit for a set of data, you can use a graphing calculator or statistical software to calculate the slope and y-intercept.

      Alternatively, you can use the formula for the slope of a line (m = (y2 - y1)/(x2 - x1)) and the point-slope form of a line (y - y1 = m(x - x1)) to find the equation of the line of best fit. Once you have the slope and y-intercept, you can plug these values into the equation y = mx + b to find the equation of the line of best fit.

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Antonio is working with a new geometric series generated by the equation A(n) =
12(1.5)n-1
S. Help Antonio find the sum of the first 15 terms of the series without just adding them all up. Show your work
below.
6. Help Antonio find the sum of the 16th through the 30th terms of the series. Show your work below.

Answers

Sum of the first 15 terms of the series given is = 10485.36

What is sequence and series?

A sequence is a collection or sequential arrangement of numbers that adheres to a predetermined order or set of criteria. A series is created by adding the terms of a sequence. In a sequence, a single sentence could appear more than once.

Sequences can be divided into two categories: endless sequences and finite sequences. By merging the terms of the sequence, series are defined. A series may, in exceptional cases, also have a sum of infinite terms.

In the given question,

Antonio is working with a new geometric series generated by the following equation:

A(n) = 12(1.5) ⁿ-1

Now to find the sum of the first 15 terms of the series,

S(n) = a{rⁿ)-1}/r-1

So, we have,

a = 12

r = 1.5

n = 15

Using the values in the equation:

S (15) = 12 (1.5¹⁵ - 1)/1.5-1

= 12 × (437.89-1)/0.5

= 12 × 873.78

= 10485.36

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Write an equation of the line passing through the point $\left(1,\ 9\right)$ that is parallel to the line $y=3x-2$ .

Answers

Equation of straight line parallel to y = 3x - 2 and passing through (1, 9) is

y = 3x + 6

What is straight line?

A straight line is an infinite length line that does not have any curves on it. A straight line can be formed between two points also but both the ends extend to infinity. A straight line is a figure formed when two points A (x1, y1) and B (x2, y2) are connected with the shortest distance between them, and the line ends are extended to infinity.

Given,

Line y = 3x - 2

Comparing with y = mx + c

slope = 3

Line parallel to y = 3x - 2 and passing through (1, 9)

Slope of the parallel line = slope of line y = 3x - 2

slope m = 3

Equation of the line,

y - y' = m(x - x')

y - 9 = 3(x - 1)

y - 9 = 3x - 3

y = 3x + 6

Hence y = 3x + 6 is equation of line parallel to y = 3x - 2 and passing through (1, 9)

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31. if ( f(x) = {x^{26}+x^{24}+2 x^{22}}{x-1} ), find f(i) where ( i ) is the imaginary unit. (a) ( -1-i ) (b) ( -1+i ) (c) \( 1-i ) (d) ( 1+i ) (e) none of these

Answers

To find f(i), we will substitute i for x in the given function and simplify:

f(i) = (i^{26} + i^{24} + 2i^{22})/(i-1)
= ((i^{22})(i^4 + i^2 + 2))/(i-1)
= ((i^{22})(1 + (-1) + 2))/(i-1)
= ((i^{22})(2))/(i-1)
= (2i^{22})/(i-1)
= (2i^{22})/((-1)(1-i))
= (2i^{22})/((-1)(1-i)) * ((1+i)/(1+i))
= (2i^{22})(1+i)/((-1)(1-i)(1+i))
= (2i^{22})(1+i)/((-1)(1^2 - i^2))
= (2i^{22})(1+i)/((-1)(1 - (-1)))
= (2i^{22})(1+i)/(2)
= i^{22} + i^{23}
= i^{22}(1 + i)
= (i^{22})(1 + i)
= (1)(1 + i)
= 1 + i

Therefore, the answer is (d) (1+i).

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Math 1050 Written Homework - Section 5.3
1. Find an equation fro the parabola with vertex (3,5) and focus
(7,5).

Answers

The equation of the parabola is (y-5)^2=16(x-3)

To find the equation for the parabola with vertex (3,5) and focus (7,5), we can use the formula for a parabola with a horizontal axis of symmetry:


(y-k)^2=4p(x-h)


Where (h,k) is the vertex and p is the distance from the vertex to the focus.


In this case, the vertex is (3,5) and the focus is (7,5), so we have:
(y-5)^2=4p(x-3)
The distance from the vertex to the focus is 4, so p=4. Plugging this value into the equation gives us:
(y-5)^2=16(x-3)
This is the equation for the parabola with vertex (3,5) and focus (7,5).

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Consider the following matrix A
A= [ 0 1 -1]
[ 0 2 -2]
[ 1 2 3]
For each of the following vectors, determine whether the vector is in the image of A. If so, demonstrate this by providing a vector x so that Ax=b.
b1= [ 2 ]
[ 4 ] [ -7]
b2 = [ 3 ]
[ -10 ] [ 4 ]
b3= [ 0 ]
[ 0 ] [11]

Answers

B3 is in the image of A, and the vector x that demonstrates this is x = [ 5 ][ 2 ] [ 2 ].

To determine whether a vector is in the image of A, we need to solve the equation Ax = b for x. If there is a solution for x, then the vector is in the image of A.

For b1:
A x = [ 2 ]
[ 4 ] [ -7]
We can set up a system of equations:
0x + 1y - 1z = 2
0x + 2y - 2z = 4
1x + 2y + 3z = -7
Solving this system, we find that there is no solution for x, y, and z. Therefore, b1 is not in the image of A.

For b2:
A x = [ 3 ]
[ -10 ] [ 4 ]
We can set up a system of equations:
0x + 1y - 1z = 3
0x + 2y - 2z = -10
1x + 2y + 3z = 4
Solving this system, we find that there is no solution for x, y, and z. Therefore, b2 is not in the image of A.

For b3:
A x = [ 0 ]
[ 0 ] [ 11 ]
We can set up a system of equations:
0x + 1y - 1z = 0
0x + 2y - 2z = 0
1x + 2y + 3z = 11
Solving this system, we find that there is a solution for x, y, and z: x = 5, y = 2, and z = 2. Therefore, b3 is in the image of A, and the vector x that demonstrates this is x = [ 5 ]
[ 2 ] [ 2 ].

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PLEASE HELP! I CAN'T DO THIS QUESTION.

Answers

1. The answer is 50.24

Explanation:
The formula to find the circumference is 2πr. This means 2 times π times radius. π is the sign for pi, which equals=3.14
You have the diameter of 14cm.
Radius is half of the diameter so your radius is 8.
This means your formula is 2•π•8.
2•π•8 equals 50.24

2. The answer is 37.68

Explanation:
You are given the radius of 6mm. Since you already have the radius that means your formula is
2•π•6
This gives you 37.68.
Hope this helps.

a.) Use the table below to calculate the average percent change in population in California from 2000-2009.
b.) If California's population in 2009 was 37,000,000 and the population trend were to continue, what would the population be in the year 2015?

Answers

The average percentage change in population in California from 2000-2009 is 1.35% and population in 2015 will be 39306963.

What is average?

In mathematics, the average is a value that represents the central or typical value in a set of numbers. There are several types of averages, including the mean, median, and mode.

The mean is the most commonly used type of average, and it is calculated by adding up all the numbers in a set and then dividing the sum by the total number of numbers. For example, the mean of the set {3, 5, 8, 12} can be calculated as:

mean = (3 + 5 + 8 + 12) / 4 = 7

Now,

To calculate average of percentage change from 2000-2009

we have to add percentage change for every year

and that will be = 1.97+1.71+1.65+1.42+1.22+1.02+1.07+1.22+0.93

=12.21%

then average=12.21/9=1.35%

hence,

          The average percentage change in population in California from 2000-2009 is 1.35%.

The population in 2015 will be = 37000000 + (1.35)⁶ × 37000000/100

=37000000+2306963.15

=39306963

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Please help i got reset on the app

Write 3 3/4 feet as a single fraction greater than one.

Answers

Answer:
To write 3 3/4 feet as a single fraction greater than one, we need to convert the mixed number to an improper fraction:

3 3/4 = (3 * 4 + 3) / 4 = 15/4

Now we can write 3 3/4 as a single fraction greater than one by dividing the numerator by the denominator and adding the whole number part:

15/4 = (4 * 3 + 3) / 4 = 3 3/4

So, 3 3/4 feet as a single fraction greater than one is 15/4.

- I Hope This Helps! :)

Help!! Which graph corresponds to the equation

Answers

The graph of the function x^2/9 - y^2/49 = 1 is graph (d)

How to determine the graph of the function

From the question, we have the following parameters that can be used in our computation:

x^2/9 - y^2/49 = 1

The above equation is an hyperbola

An hyperbola that has its center at the origin is represented as

x^2/a^2 - y^2/b^2 = 1

Using the above as a guide, we have the following:

a^2 = 9

b^2 = 49

Evaluate

a = ±3

b = ±7

This means that the semi-major axis is a = 3 and the semi-minor axis is b = 7.

The graph with the above feature is graph (d)

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