GIVING BRAINLEIST PLS HURRY

GIVING BRAINLEIST PLS HURRY

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Answer 1
Maybe B?????????????????
Answer 2
It’s D I’m pretty sure

Related Questions

621900 house cost 5.4 mortgage interest rate how  much do you have to pay monthly over 5 years

Answers

Over a period of 5 years, the amount that you would have to pay monthly is given as  $3,201.37

How to solve for the mortgage

To calculate the monthly mortgage payment for a house that costs $621,900 with an interest rate of 5.4% over 5 years, you can use the following formula:

P = (r(1 + r)^n) / (((1 + r)^n) - 1) * L

Where:

P = monthly payment

r = monthly interest rate (5.4%/12 = 0.0045)

n = total number of payments (5 years x 12 = 60)

L = the loan amount ($621,900)

Plugging in the values, we get:

P = (0.0045(1 + 0.0045)^60) / (((1 + 0.0045)^60) - 1) * 621,900

P = $3,201.37

So you have to pay  $3,201.37 monthly over 5 years.

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Retake:will give brainliest

Retake:will give brainliest

Answers

Answer:

5

Step-by-step explanation:

Consider the differential equation y' = (y² + 9y + 18) ln(1 + y¹). (a) Find the equilibria and determine their type. (b) Sketch the phase line. (c) Let y(t) be the solution satisfying y(0) = 2. Find the limit of y(t), as t → −[infinity].

Answers

Given the differential equation is y' = (y² + 9y + 18) ln(1 + y¹).

(a) Find the equilibria and determine their type The equilibrium points can be found from the following equation: dy/dt = 0⇒(y² + 9y + 18) ln(1 + y¹) = 0⇒y = -3, -6 are the equilibrium points Let's determine their type:

dy/dt = f(y) = (y² + 9y + 18) ln(1 + y¹)Near y = -3,Let y = -3 + εWe have f(-3+ε) = (ε²+3ε+6) ln(1-3+ε) ≈ -(1/2)ε² < 0, for ε sufficiently small. Hence y = -3 is a stable equilibrium.

Near y = -6,Let y = -6 + εWe have f(-6+ε) = (ε²+3ε+18) ln(1-6+ε) ≈ (1/2)ε² > 0, for ε sufficiently small. Hence y = -6 is an unstable equilibrium.

(b) Sketch the phase line
Number Line Sketch of Phase Line
(c) Let y(t) be the solution satisfying y(0) = 2.

Find the limit of y(t), as t → −[infinity]. The limit of y(t) as t → −∞ can be found by noticing that y' = (y² + 9y + 18) ln(1 + y¹) ≥ 0 if y ≥ -3.

Since y(0) > -3, y(t) ≥ -3 for all t. Also, since y(t) is increasing, it either approaches a finite limit or diverges to ∞.

The limit of y(t) as t → ∞ can be found by separation of variables: dy/(y²+9y+18) = ln(1+y)dt Integrating both sides, we get:-1/3 [ln|1+y| - 3 ln|y+2| + 2 tan⁻¹(y+3)] = t + CA t infinity, y → -2 and the LHS approaches ∞. Hence the RHS must also approach ∞.

Therefore C = ∞, and the above equation can be rewritten as:-1/3 [ln|1+y| - 3 ln|y+2| + 2 tan⁻¹(y+3)] = t + ∞

Substituting y(0) = 2, we get: C = -1/3 [ln|1+2| - 3 ln|2+2| + 2 tan⁻¹(2+3)] - 0 = -1/3 [ln3 - 3 ln4 + 2 tan⁻¹5] So the limit of y(t) as t → -∞ is -2.

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I really need help with part a and b, please help. Incorrect answers will be downvoted, correct answers will be upvoted. 1. The army is interested in characterizing the acoustic signature of a helicopter. The following data show measurements of acoustic pressure (made dimensionless) for a two-bladed helicopter rotor through of a rotor revolution. The data points are equally spaced in time, and the period of the data collection is of a second. p=00.00040.0015 0.0028 0.0040 0.0048 0.0057 0.0071 0.0095 0.0134 0.0185 0.02420.0302 0.0364 0.0447 0.0577 0.0776 0.0955 0.0907 -0.0477 -0.0812 -0.0563 -0.0329 -0.0127 0.0032 0.0147 0.0221 0.0256 0.0255 0.0222 0.0170 0.0112 0.0064 0.0035 0.0023 0.0020 0.0019 0.0016 0.0009 0.0002 a) Find the real discrete Fourier transform for this data set. (b) Any term in the Fourier series can be written: ak Cos(kwt)+bk sin(kwt) =ck Cos(kwt+$k) ak Find the ck's and plot their amplitude on a bar graph vs. k to illustrate the relative size of each term in the series. Explain the significance of the plot

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(a) The real discrete Fourier transform (DFT) is calculated for the given data set to analyze the helicopter's acoustic signature.

(b) To obtain the ck values and illustrate the relative size of each term in the Fourier series, we calculate the magnitude of each coefficient and plot their amplitudes on a bar graph against the corresponding frequency component, k.

To analyze the helicopter's acoustic signature, the real DFT is computed for the provided data set. The DFT transforms the time-domain measurements of acoustic pressure into the frequency domain, revealing the different frequencies present and their corresponding amplitudes. This analysis helps in understanding the spectral characteristics of the helicopter's acoustic signature and identifying prominent frequency components.

Using the Fourier series representation, the amplitudes (ck's) of the different frequency components in the Fourier series are determined. These amplitudes represent the relative sizes of each term in the series, indicating the contribution of each frequency component to the overall acoustic signature. By plotting the amplitudes on a bar graph, the relative strengths of different frequency components become visually apparent, enabling a clear comparison of their importance in characterizing the helicopter's acoustic signature.

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1 - -8= i am having trouble answering it

Answers

Answer:

Step-by-step explanation:

2 subtraction symbols equals a plus

so the answer is 9

William is building a gazebo and wants to brace each Corner replacing a 12 inch wooden bracket diagonally as shown how far below the corner should he fastened the bracket if he wants to distances from the corner to eat to the end of the bracket to be equal

Answers

Let the distance from the corner is x.

The length of diagonal -12 inch.

the fiure show a right angle triangle

Apply the pythagoras theorem to find the values of x

Pytahgoras theorem state as the square of the hypotenuse is equal to sum of the squre of perpendicular and the square of base of right angle triangle,

\(\text{Hypotenuse}^2=Perpendicular^2+base^2\)

In the given figure we have,

Hypotenuse=12

Base=x

Perpendicular=x

Substutute the value in the pythagoras theorem

\(\begin{gathered} 12^2=x^2+x^2 \\ 144=2x^2 \\ x^2=72 \\ x=8.485 \\ x=8.5\text{inch} \end{gathered}\)

The corner will be at a distance of 8.5 inch.

William is building a gazebo and wants to brace each Corner replacing a 12 inch wooden bracket diagonally
William is building a gazebo and wants to brace each Corner replacing a 12 inch wooden bracket diagonally

How many 3 number passwords can you create with d) 5 numbers e) 6 numbers f) 7 numbers if numbers can be repeated?​

Answers

Answer:

6

Step-by-step explanation:

123 132 213 231 312 321

The ponderal indexis a measure of the "leanness" of a person. A person who is h inches tall and weighs w pounds has a ponderal index I given by I = a. Compule the ponderal index for a person who is 76 inches tall and weighs 192 pounds: Round to the nearest hundredth. b. What is a man's weight if he is 77 inches tall and has a ponderal index of 11.56 ? Round to the nearest whole number. a. The ponderal index for a person who is 76 inches tall and weighs 192 pounds is (Round to the nearest hundredth as needed.)

Answers

The ponderal index cannot be computed without the value of the constant "a" in the formula. Therefore, the ponderal index for a person who is 76 inches tall and weighs 192 pounds cannot be determined.

To compute the ponderal index, we need the formula and the value of the constant "a."

a) The formula for the ponderal index is given as I = a, where I represents the ponderal index and a is a constant. However, the value of the constant "a" is missing in the provided information. Without knowing the value of "a," we cannot compute the ponderal index for a person who is 76 inches tall and weighs 192 pounds.

b) Similarly, without knowing the value of the constant "a," we cannot determine the weight of a man who is 77 inches tall and has a ponderal index of 11.56.

To compute the ponderal index or determine the weight, we need the specific value of the constant "a" in the given formula.

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What is the slope of this line?
3/4 -3 -3/4 4

What is the slope of this line?3/4 -3 -3/4 4

Answers

-3/4
The slope is negative because it goes down.
(0, 2) to (4, -1) it is 3 on the y axis and 4 on the x axis.

Which of the following is the solution set of the given equation?
(x - 3) - 2(x + 6) = -5
A) {-10}
B) {-4}
C) {8}

Answers

x= -10

first you distribute the -2 throughout (x+6) which then becomes, -2x -12
After you’ve done that plug it in the equation, the equation should be, x-3-2x-12=-5
Now combine like terms. After it should look like, -x - 15 = -5, Add 15 to both side. It should be, -x = 10
Finally divide by -1 on both sides and that should give you x= -10



sorry that was a long explanation

the mean credit card debt for a u.s. household is $7,115 with o standard deviation of $2,160. this mean is such a large value because of a few deeply indebted households. if a random sample of 50 us households is selected, what is the approximate probability that the mean credit card debt for the sample exceeds $7,500?

Answers

The approximate probability that the mean credit card debt for a sample of 50 US households will exceed $7,500 is , based on a normal distribution with a mean of $7,115 and a standard deviation of $2,160.

What is the z-score formula?

The z-score formula is a statistical method used to calculate the standard deviation of a raw score or data point relative to the mean of the group of raw scores or data points. It is given as:

\(z = \frac{x - \mu}{\sigma}\)

where z is the z-score, x is raw score, μ is the mean, and σ is the standard deviation.

The approximate probability can be calculated as follows:

First, find the standard error of the mean: \(SE = \frac{\sigma}{\sqrt{n}}\)

\(SE = \frac{2,160}{\sqrt{50}}\\\\SE = 305.39\)

Secondly, find the z-score: \(z = \frac{\overline{x} - \mu}{SE}\)

\(z = \frac{7,500 - 7,115}{305.39}\\\\z = 1.263\)

The probability that a z-score will be greater than 1.263 is 0.1038 from the standard normal table or calculator.

Therefore, the approximate probability is 0.1038 or 10.38%.

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Two linear functions are shown below. Which function has a greater rate of change?

Two linear functions are shown below. Which function has a greater rate of change?

Answers

Answer:

What's at stake?

Mountaer their local fish stocks in a sustainable way. Local fishers are now responsible for confiscating fishing equipment that damages the environment and collecting fees for fishing licenses—providing them with an extra income while conserving their livelihoods in the long-term.

Namibia: elephants, cheetahs and other wildlife have made an amazing comeback in the last couple of decades. With strong government backing, we've helped local communities to set up and run “conservancies”, which allow them to manage and benefit from their own natural resources.  Read more about our successes in Namibia.

Philippines: We've helped eco-tourism to flourish in Donsol, where visitors now flock to see schools of endangered whale sharks, the world's largest fish, bringing hundreds of thousands of dollars into the local economy. Communities benefit—and so do the fish and other marine species, as local people recognize the need to conserve their largest asset.

India: Arunachal Pradesh is one of the only regions in India where indigenous people control their own forest regions. We've been working with them to create Community Conserved Areas, special areas where development is carefully managed and conservation regulations are strictly enforced. It's helping people preserve their way of life, and benefiting species like red pandas that live in the forest.

Brazil: We're helping local people in the state of Acre to make a better living by protecting the Amazon rainforest than by clearing it for logging or farming. We worked with the state government to introduce a new law that recognizes the huge value of the environmental services—such as storing carbon—that the rainforest provides, and offers people incentives to conserve it.  

These include payments to local people who look after their land, money for community projects, and technical help with sustainable agriculture and forestry. We're helping people develop sustainable livelihoods, such as rubber tapping and selling forest products like brazil nuts.

Did you know?

Mountain gorillas weren't discovered until 1902, and there were fears they would not survive into the 21st century. They're the largest type of gorilla—adult males weigh 220kg and have an arm span of over 2m.

Facts and stats

26 percent—increase in the mountain gorilla population in the Virunga volcanoes since 2003, up from 380 to 480

US$678,000—money local communities in Uganda earn each year from tourists who come to see mountain gorillas

US$1 million—annual value to the Ugandan economy of each of its gorillas

120,000 sq km—area of wildlife habitat sustainably managed by communities in Namibia, where wildlife sightings have almost doubled since 2004

What next?

We involve local people in all our conservation work, and we're looking to replicate the success of our community-led conservation projects in other areas

We believe that what's worked for mountain gorillas can do the same for lowland gorillas in central Africa. We're bringing the Namibian model of community-run wildlife conservancies to neighbouring Botswana and Zambia. We think that Acre can provide a model for international efforts to reduce carbon emissions from deforestation.

But we're also looking to a much bigger community: the global one.

Ultimately, we all benefit from nature's services—from food, materials and medicines to clean water and fertile soils, as well as the joy and wonder nature brings. We want to show people all over the world that looking after our one and only planet is in everyone's interest.

How you can help

Buying Forest Stewardship Council (FSC)-certified wood and paper benefits local people as well as wildlife: always look out for the FSC label when you're shopping.

Planning an exotic holiday? Be an ecotourist! Choose a trip that benefits wildlife and local communities.

Find out more about mountain gorillas.

Step-by-step explanation:

Function A changes at a faster rate than Function B.

What is the slope?

A line's steepness can be determined by looking at its slope. The slope is calculated mathematically as "rise over run."

Given Two functions in form of a graph and chart.

For function A

Two random coordinates are(4, 32) and (8, 44)

Thus, the slope of function A = (44 - 32)/ (8-4) = 12/4 = 3

For function

Two random coordinates are(0, 2) and (6, 9)

Thus, the slope of function A = (9 - 2)/ (6 - 0) = 7/6 = 1.17

Since Slope of the function A is Bigger than the slope of the function B

Therefore, Function A has a greater rate of change than B.

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Which is the inverses I still don’t get this

Which is the inverses I still dont get this

Answers

Answer:

C.

\({ \tt{f(x) = \frac{12}{x} - 18}} \: and \: { \tt{g(x) = \frac{12}{x + 18} }}\)

Step-by-step explanation:

\({ \tt{f(x) = \frac{12}{x} - 18}}\)

Let inverse be m:

\({ \tt{m = \frac{12}{x} - 18 }} \\ { \tt{x(m + 18) = 12}} \\ { \tt{x = \frac{12}{m + 18} }} \\ \\ { \boxed{ \sf{f {}^{ - 1} (x) = g(x) = \frac{12}{x + 18} }}}\)


ƒ(x) = − x² – 10x
Find f(-2)

Answers

Answer:
f(-2) = 16
Step-by-step explanation:
The equation is:
f(x) = - x^2 - 10x
They want you to find f(x), and since f(-2) you plug in -2 for x.
so,
f(-2) = - (-2)^2 - 10(-2)
(-2)^2 = +4
-(4) = -4
-10(-2) = +20
therefore,
-4 + 20 = 16
Answer: 16

Please let me know if this helps, if you have any questions let me know!!

What is formed when a sodium atom and chlorine atom react chemically

Answers

Answer:

Step-by-step explanation:

When sodium and chlorine atoms come together to form sodium chloride (NaCl), they transfer an electron. The sodium (Na) atom transfers one electron to the chlorine (Cl) atom, so that they both have full outer shells.

M<7=100 find measure of <11

Answers

Answer:i think its 115 degres

Step-by-step explanation:

Help me pleaseeeeee​

Help me pleaseeeeee

Answers

Answer:

no

Step-by-step explanation:

it would say 5>8

I don’t get this pls helppppppp!!!!!!!!!!!!

I dont get this pls helppppppp!!!!!!!!!!!!

Answers

Answer:

1) f(x)<x+4

f(x)>-x-3

f(x)<5

\(ANSWER: (-3,4)\)

2)2.5>0+2

2.5<0+3

2.5<0+5

\(ANSWER: (0,2.5)\)

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

HOPE IT HELPS

HAVE A GREAT DAY!!

solving quadratic equations

(x-3)^2=16

Answers

Answer:

x= 7, -1

Step-by-step explanation:

I hope it helps:)

Answer:7,-1

Step-by-step explanation:

(x-3)^2=16

x^2+9-6x=16

x^2-6x-7=0 .

x^2-7x+1x-7= 0.

x(x-7)+(x-7)=00..

(x+1)(x-7)=0

x= 7,-1 ,

3) Margarita manejó 429 km: 42 en la ciudad y el resto, en la autopista.
Su carro rinde 28km por galón de gasolina en la ciudad y 36 km, en la
autopista.
¿Cuánto gastó en el viaje. si el galón de gasolina le cuesta $3.30?|

Answers

Answer:

Margarita gastó $40.43.

Step-by-step explanation:

Tenemos la siguiente información.

km recorridos por Margarita

42 km - ciudad

387 km - autopista

Rendimiento del carro

1 galon cada 28 km - ciudad

1 galon cada 36 km - autopista

Hacemos el siguiente factor de conversión

Ciudad

\(42 km \times \frac{1\: galon}{28\: km}=1.5\: galones\)

Autopista

\(387 km \times \frac{1\: galon}{36\: km}=10.75\: galones\)

Ahoa, se sabe que 1 galon cuesta $3.30. Por lo tanto, el costo de viaje será:

Total galones = 1.5 + 10.75 = 12.25 galones

Total costo = 3.30*12.25 = $40.43.

Espero te haya servido!

Explain the difference between finding the vertex of a function written in vertex form and finding the vertex of a function written in standard form.

Answers

The equation in the vertex form will be y = (x + b/2a)² - b²/4a² + c/a and the equation in the standard form will be ax² + bx + c = 0.

What is a quadratic equation?

The quadratic equation is given as ax² + bx + c = 0. Then the degree of the equation will be 2.

Convert the standard equation into a vertex form, then we have

x² + (b/a)x + (c/a) = 0

x² + (b/a)x + b²/4a² - b²/4a² + c/a = 0

(x + b/2a)² - b²/4a² + c/a = 0

Put h = - b/2a and k = - b²/4a² + c/a, where (h, k) be the vertex of the parabola. Then the equation will be

(x - h)² + k = 0

The function written in vertex form will be y = (x - h)² + k and in the standard form will be ax² + bx + c = 0.

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A runner is running a 10 km race. It takes her 17.5 minutes to reach the 2.5 km mark. at that rate, how long would it take her to run the whole race?

Answers

Answer:

time = 70 minutes

According to a particular marketing corporation,the per capita consumption of bottled water is 3.4 gallons per month Assume the standard deviation for this population is 0.85 gallons per month Consider a random sample of 100 people. a.What is the probability that the sample mean will be less than 33 gallons per month? b.What is the probability that the sample mean will be more than 3.6 gallons per month? c.ldentify the symmetrical interval that includes 93% of the sample means if the true population mean is 3.4 gallons permonth a.The probability that the sample mean will be less than 3.3 gallons per month is Type an integer or decimal rounded to four decimal places as needed

Answers

The symmetrical interval that includes 93% of the sample means is (3.2455 gallons per month, 3.5545 gallons per month) assuming the population follows a normal distribution.

To calculate the probabilities and identify the symmetrical interval, we'll use the provided information:

Given:

Population mean (μ) = 3.4 gallons per month

Population standard deviation (σ) = 0.85 gallons per month

Sample size (n) = 100

a. Probability that the sample mean will be less than 3.3 gallons per month: To calculate this probability, we need to use the sampling distribution of the sample mean, assuming the population follows a normal distribution. Since the sample size (n) is large (n > 30), we can approximate the sampling distribution as a normal distribution using the Central Limit Theorem. The mean of the sampling distribution is equal to the population mean (μ), which is 3.4 gallons per month. The standard deviation of the sampling distribution, also known as the standard error (SE), can be calculated as σ / √n:

SE = σ / √n

= 0.85 / √100

= 0.085 gallons per month

Now, we can calculate the z-score using the formula:

z = (x - μ) / SE

Substituting the values:

z = (3.3 - 3.4) / 0.085

= -0.1 / 0.085

= -1.1765

Using a standard normal distribution table or calculator, we can find the probability corresponding to a z-score of -1.1765. The probability that the sample mean will be less than 3.3 gallons per month is approximately 0.1190. Therefore, the probability is 0.1190.

b. Probability that the sample mean will be more than 3.6 gallons per month:

Similarly, we can calculate the z-score for this case:

z = (x - μ) / SE

= (3.6 - 3.4) / 0.085

= 0.2 / 0.085

= 2.3529

Using a standard normal distribution table or calculator, we find the probability corresponding to a z-score of 2.3529. The probability that the sample mean will be more than 3.6 gallons per month is approximately 0.0096.

Therefore, the probability is 0.0096.

c. Identifying the symmetrical interval that includes 93% of the sample means:

To find the symmetrical interval, we need to determine the z-scores corresponding to the tails of 93% of the sample means.

Since the distribution is symmetrical, we can divide the remaining probability (100% - 93% = 7%) equally between the two tails.

Using a standard normal distribution table or calculator, we find the z-score corresponding to a tail probability of 0.035 on each side. The z-score is approximately 1.8125.

The symmetrical interval is then given by:

=μ ± z * SE

=3.4 ± 1.8125 * 0.085

=(3.4 - 1.8125 * 0.085, 3.4 + 1.8125 * 0.085)

=(3.4 - 0.1545, 3.4 + 0.1545)

=(3.2455, 3.5545)

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A car travels 165 miles in 3 hours. If the car travels at the same speed, how far will the car go in 8 hours?

Answers

Answer:

440

Step-by-step explanation:

Solve by setting up the equation

165miles/3hours = x/8hours

Make sure miles or hours are on the top or bottom and not cross cross. Since you're looking for miles after driving 8 hours.

you multiply diagonally

so 165 times 8 and 3 times X

so you have 1320=3x

then divide by three on each side to get x by itself

then x=440

answer please i need it soon
a. Use what you’ve learned in this unit to model the population of Western Lowland Gorillas after 5, 10 and 20 years. Let y equal the population of the gorillas and x represent the number of years since 2022. Show your work.

b. Use the information calculated in Step A to create a table showing the Gorilla population after 5, 10 and 20 years.

c. Explain why the table shows exponential decay. Summarize how scientists can use exponential decay to predict population changes in endangered species. Summarize your answer in 1-2 paragraphs.

Answers

Answer:

Step-by-step explanation:

a. To model the population of Western Lowland Gorillas after 5, 10 and 20 years, we can use an exponential decay model. This model assumes that the population of the gorillas is decreasing at a constant rate over time.

Let y equal the population of the gorillas and x represent the number of years since 2022.

The exponential decay model is represented by the equation:

y = a*e^(-rt)

Where a is the initial population, r is the decay rate and t is the number of years.

If we assume that the initial population of gorillas in 2022 is 1000, the decay rate is 0.1, and we can calculate the population of gorillas after 5, 10, and 20 years.

For 5 years after 2022:

y = 1000e^(-0.15) = 810 gorillas

For 10 years after 2022:

y = 1000e^(-0.110) = 648 gorillas

For 20 years after 2022:

y = 1000e^(-0.120) = 404 gorillas

b. Table:

Years Gorilla Population

5            810

10            648

20            404

c. The table shows that the population of gorillas is decreasing over time, which is an example of exponential decay. This decrease is consistent with the exponential decay model which we used. Exponential decay models are often used to predict population changes in endangered species as they assume a constant rate of decrease in population. Scientists can use this model to predict future populations, as well as estimate the rate of population decline. Based on this information, conservation efforts can be better planned, and resources can be allocated more effectively to prevent the extinction of endangered species.

explain the Alternate Exterior Angles Theorem

Answers

The Alternate Exterior Angles Theorem states that when a pair of parallel lines is intersected by a transversal, the pairs of alternate exterior angles formed on opposite sides of the transversal are congruent.

If line AB and line CD are parallel, and line EF intersects both lines at points G and H respectively, then the angles formed on opposite sides of line EF and on the exterior of the parallel lines are congruent.

The Alternate Exterior Angles Theorem states that when a pair of parallel lines is intersected by a transversal, the pairs of alternate exterior angles formed on opposite sides of the transversal are congruent.

In symbols, the theorem can be written as:

∠1 ≅ ∠4

where ∠1 and ∠4 are alternate exterior angles.

This theorem is useful in solving problems involving angles and parallel lines, and it is commonly used in geometry proofs.

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let r be the relation {(1, 2), (1, 3), (2, 3), (2, 4), (3, 1)}, and let s be the relation {(2, 1), (3, 1), (3, 2), (4, 2)}. then s∘r =

Answers

The s∘r is the relation {(1,1), (1,2), (2,1), (2,3), (2,4), (4,1)}.

The composition of s and r, denoted by s∘r, is defined as follows:

s∘r = {(a,c) | there exists b such that (a,b)∈r and (b,c)∈s}

To compute s∘r, we need to find all pairs (a,c) such that there exists a pair (a,b) in r and a pair (b,c) in s:

(1) (1,2)∈r

(2) (1,3)∈r

(3) (2,3)∈r

(4) (2,4)∈r

(5) (3,1)∈r

(6) (2,1)∈s

(7) (3,1)∈s

(8) (3,2)∈s

(9) (4,2)∈s

For c=1:

- There is no pair in r of the form (1,b), so we cannot find any pair of the form (1,c).

For c=2:

- Using pair (1,2) from r, we can find pairs of the form (1,b), where b=2 or 3.

- Using pair (2,1) from s and pair (2,3) from r, we can find a pair of the form (1,c), where c=1.

Therefore, the pairs of the form (1,c) that belong to s∘r are: (1,1), (1,2).

Next, we consider pairs of the form (2,c), where c is any element in {1,2,3,4}.

For c=1:

- Using pair (1,2) from r and pair (2,1) from s, we can find a pair of the form (2,c), where c=1.

For c=2:

- Using pair (1,2) from r and pair (2,3) from r, we can find a pair of the form (2,c), where c=3.

- Using pair (2,3) from r and pair (3,2) from s, we can find a pair of the form (2,c), where c=1.

For c=3:

- Using pair (1,3) from r and pair (3,1) from s, we can find a pair of the form (2,c), where c=1.

For c=4:

- Using pair (2,4) from r and pair (4,2) from s, we can find a pair of the form (2,c), where c=1.

Therefore, the pairs of the form (2,c) that belong to s∘r are: (2,1), (2,3), (2,4).

We continue this process for pairs of the form (3,c) and pairs of the form (4,c).

For pairs of the form (3,c):

- Using pair (1,3) from r and pair (3,1) from s, we can find pairs of the form (3,b), where b=1 or 2.

Therefore, the pairs of the form (3,c) that belong to s∘r are: none.

For pairs of the form (4,c):

- Using pair (2,4) from r and pair (4,2) from s, we can find a pair of the form (4,c), where c=1.

Therefore, the pairs of the form (4,c) that belong to s∘r are: (4,1).

Putting all these pairs together, we get:

s∘r = {(1,1), (1,2), (2,1), (2,3), (2,4), (4,1)}

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Hi , good afternoon/morning/night it would be really kind if u help.

Hi , good afternoon/morning/night it would be really kind if u help.

Answers

Answer:

you can ask questions for clarification

Hi , good afternoon/morning/night it would be really kind if u help.

Mya applied the distributive property to write the equivalent expressions below
45+ 72 - 9(5 + 9)
What is Mya's error?
Mya did not write the common factor in the correct place,
Mya wrote two expressions that are not equivalent
O Mya did not use the correct operations in the equation,
Mya used a factor that is not common to 45 and 72,

Mya applied the distributive property to write the equivalent expressions below45+ 72 - 9(5 + 9)What

Answers

Answer:

Mya wrote two expressions that are not equivalent

Step-by-step explanation:

45 +72 does not equal to 9(5+9)

9(5+9) = 45 + 81

Answer:

D

Step-by-step explanation:

I dislike these kinds of questions. I could argue either of 2 answers - b and d.

b says that her error was that she wrote two expressions that are not equivalent and that is true. She did not write equivalent expressions.

d says she didn't use a common factor to both terms and that is true.

The actual answer is that she made a silly error which we all often do.

8 * 9 is 72

so the distributive property should be

9(5 + 8)

So, what's the answer? I would pick D, but hold your nose when you enter it.

B. Use an area model to find an expression equivalent to (5k-3) (2k-1).

C.use an area to write a product that is equivalent to x^2-3x-4.

B. Use an area model to find an expression equivalent to (5k-3) (2k-1).C.use an area to write a product

Answers

An expression equivalent to (5k-3) (2k-1) is k (10 k - 11) + 3.

How do you write equivalent?If the numerator and denominator are both the same quantity, then equivalent fractions may be stated by multiplying or dividing by that amount. These fractions are simplified because of this, which causes them to equal one.expression equivalent  means add any like terms together, combining x-terms with x-terms and constants with constants, on either side of the equation. The x-term is often put before constants when arranging the terms in the same sequence. The two phrases are equal if each of the terms in both of them is the same.

simplify | (5 k - 3) (2 k - 1)

Results:

1\/40 (20 k - 11)^2 - 1\/40

k (10 k - 11) + 3.

An expression equivalent to (5k-3) (2k-1) is k (10 k - 11) + 3.

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