Which expressions are equivalent to the on below select all that apply 9x

Answer: it would be 2.53

Step-by-step explanation: best answer

Answer:

14

Step-by-step explanation:

21 times 2 = 42

42 divided by 3 = 14

Answer:

Assuming a fair six-sided die (faces numbered 1–6) the probability of rolling a 3 (on any roll) is 1/6.

We cannot know how accurate Claire’s ideas of probability are (in this case, quite good), but they have no effect the theoretical outcome!

Step-by-step explanation:

hope this helps, please mark as brainiest.

Answer:

it doesnt say any numbers or pictures of the question can you add them

Answer:

First one

(-1,8)

second one

(0,-4)

Step-by-step explanation:

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Report on Commonalities Among Three Chosen Regions

For this assignment, three regions of the world have been selected to identify commonalities among them. The chosen regions are North America, Europe, and East Asia. Through internet research, several commonalities have been identified that are shared among these regions. Below are five commonalities found:

Economic Development:

All three regions, North America, Europe, and East Asia, are characterized by significant economic development. They are home to some of the world's largest economies, such as the United States, Germany, China, and Japan. These regions exhibit high levels of industrialization, technological advancement, and trade activities. Their economies contribute significantly to global GDP and are major players in international commerce.

Technological Advancement:

Another commonality among these regions is their emphasis on technological advancement. They are known for their innovation, research and development, and technological infrastructure. Companies and industries in these regions are at the forefront of technological advancements in fields such as information technology, automotive manufacturing, aerospace, pharmaceuticals, and more.

Cultural Diversity:

North America, Europe, and East Asia are culturally diverse regions, with a rich tapestry of different ethnicities, languages, and traditions. Immigration and historical influences have contributed to the diversity seen in these regions. Each region has a unique blend of cultural practices, cuisines, art, music, and literature. This diversity creates vibrant multicultural societies and fosters an environment of cultural exchange and appreciation.

Democratic Governance:

A commonality shared among these regions is the prevalence of democratic governance systems. Many countries within these regions have democratic political systems, where citizens have the right to participate in the political process, elect representatives, and enjoy individual freedoms and rights. The principles of democracy, rule of law, and respect for human rights are important pillars in these regions.

Education and Research Excellence:

North America, Europe, and East Asia are known for their strong education systems and institutions of higher learning. These regions are home to prestigious universities, research centers, and educational initiatives that promote academic excellence. They attract students and scholars from around the world, offering a wide range of educational opportunities and contributing to advancements in various fields of study.

In conclusion, the regions of North America, Europe, and East Asia share several commonalities. These include economic development, technological advancement, cultural diversity, democratic governance, and education and research excellence. Despite their geographical and historical differences, these regions exhibit similar traits that contribute to their global significance and influence.

Answer:

For this assignment, three regions of the world have been selected to identify commonalities among them. The chosen regions are North America, Europe, and East Asia. Through internet research, several commonalities have been identified that are shared among these regions. Below are five commonalities found:

Economic Development:

All three regions, North America, Europe, and East Asia, are characterized by significant economic development. They are home to some of the world's largest economies, such as the United States, Germany, China, and Japan. These regions exhibit high levels of industrialization, technological advancement, and trade activities. Their economies contribute significantly to global GDP and are major players in international commerce.

Technological Advancement:

Another commonality among these regions is their emphasis on technological advancement. They are known for their innovation, research and development, and technological infrastructure. Companies and industries in these regions are at the forefront of technological advancements in fields such as information technology, automotive manufacturing, aerospace, pharmaceuticals, and more.

Cultural Diversity:

North America, Europe, and East Asia are culturally diverse regions, with a rich tapestry of different ethnicities, languages, and traditions. Immigration and historical influences have contributed to the diversity seen in these regions. Each region has a unique blend of cultural practices, cuisines, art, music, and literature. This diversity creates vibrant multicultural societies and fosters an environment of cultural exchange and appreciation.

Democratic Governance:

A commonality shared among these regions is the prevalence of democratic governance systems. Many countries within these regions have democratic political systems, where citizens have the right to participate in the political process, elect representatives, and enjoy individual freedoms and rights. The principles of democracy, rule of law, and respect for human rights are important pillars in these regions.

Education and Research Excellence:

North America, Europe, and East Asia are known for their strong education systems and institutions of higher learning. These regions are home to prestigious universities, research centers, and educational initiatives that promote academic excellence. They attract students and scholars from around the world, offering a wide range of educational opportunities and contributing to advancements in various fields of study.

In conclusion, the regions of North America, Europe, and East Asia share several commonalities. These include economic development, technological advancement, cultural diversity, democratic governance, and education and research excellence. Despite their geographical and historical differences, these regions exhibit similar traits that contribute to their global significance and influence.

68 = Diane's score x 4

Equation

68= 4d

___________________

Can you see the updates?

_________________

Diane's score

4d= 68

d= 17

Answer:

24

Step-by-step explanation:

An angle bisector splits an angle into two congruent parts, so -6+2x=10x-78, and thus x=9.

This means angles STV and UTV both measure 12°.

Therefore, angle STU measures 24°.

For the first part, let’s create matrix A.

\(A = [183;476;769]\)

To replace the first and third column of matrix A with ones, you can use the following code:

\(A(:, [1, 3]) = ones(3, 2)b)\)

For the second part, let’s create matrix B. B = [66;39]To expand matrix B to a 4-by-4 matrix with a value of 6, you can use the following code: B

\(= ones(4) * 6c).\)

To combine matrix A and B, where B is to the right of A, you can use the following code:

\(C = [A, [B; zeros(1, 2)]]\)

Here, we are concatenating B with a 1-by-2 matrix of zeros to match the dimensions of A.

Then, we are concatenating the two matrices horizontally using square brackets) To reorder matrix C as a 9-by-2 matrix and save it into a new matrix F, you can use the following code

\(:F = reshape(C.', 18, 1)\)

This will transpose the matrix C, reshape it to a 18-by-1 column vector, and save it into matrix F.

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Answer: Ok what is the question though?

Step-by-step explanation:

Answer:

The largest exponent is the degree of the polynomial is 4.

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

2z-20=-4

2z=-4+20

2z=16

dividing both sides by 2 which is the coefficient of z

z=8

In the given scenario, where there is a positive correlation between the number of mailboxes and the number of traffic lights in a town, the most likely lurking variable that explains the correlation is the town's population size or density.

The lurking variable in this case refers to a variable that is not directly measured or observed but can influence or explain the relationship between the variables of interest. In this situation, it is reasonable to assume that the population size or density of a town could be the lurking variable that is driving the correlation between the number of mailboxes and the number of traffic lights.

A larger or denser population in a town would generally lead to increased residential areas, resulting in a greater need for mailboxes. Additionally, a higher population density often corresponds to increased traffic congestion and safety concerns, necessitating the installation of more traffic lights.

While the number of mailboxes and traffic lights are directly correlated, it is likely that the underlying factor influencing both variables is the population size or density of the town.

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The answer is option C

The points graph must be a solution to the equation. Then, in graph C, we have three points:

(0 , -2, 0)

(-2, 0, 0)

(0, 0, 4)

Now let's try each in the equation:

The given equation is expressed as

Answer:

A

Step-by-step explanation:

i used a calculator

The probability that no students in a survey of five students will be in favor of opening a pub is approximately 0.32768 or 32.768%.

To calculate the probability that no students in a survey of five students will be in favor of opening a pub, we can use the binomial probability formula.

The probability of a single student being in favor of opening a pub is 0.20, and the probability of a single student not being in favor is 1 - 0.20 = 0.80.

Using the binomial probability formula, the probability of having no students in favor can be calculated as:

P(X = 0) = (0.80)^5

P(X = 0) = 0.32768

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Answer:

Try using photo math it helps

Step-by-step explanation:

The value of the expression, \(\sqrt[90]{100}\) is given using logarithms as approximately 1.0525

The logarithm of a number, a, is the value, y, to which a base number, b, is to be raised to give the number x as follows;

\(log_ba = y\)

\(\therefore b^y = a\)

The evaluation of the the expression, \(\sqrt[90]{100}\), can be performed as follows;

Let x represent the value, \(\sqrt[90]{100}\), we have;

x =  \(\sqrt[90]{100}\)

\(\sqrt[90]{100} = 100^{\frac{1}{90} }\), which gives;

\(x= 100^{\frac{1}{90} }\)

Taking the logarithm to base 10 of both sides gives;

\(log_{10}x = log_{10}100^{\frac{1}{90} }\)

\(log_{10}x = log_{10}100^{\frac{1}{90} } = \dfrac{1}{90}\cdot log_{10}100^\)

\(log_{10}x = \dfrac{1}{90}\cdot log_{10}100=\dfrac{1}{90}\times 2 = \dfrac{1}{45}\)

\(x = antilog\left(\dfrac{1}{45} \right)\approx 1.0525\)

Therefore; x =  \(\sqrt[90]{100}\) ≈ 1.0525

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A manufacturer of compact fluorescent light bulbs advertises have a standard deviation of 1,000 hours so the values are:

A normal distribution with,

μ = 9000

σ = 1000

a) The standardized score is the value x decreased by the mean and then divided by the standard deviation.

x = 105000 - 9000 / 1000 ≈ 1.50

Determine the corresponding probability using the normal probability table in appendix,

P(X>10500) = P(Z>1.50) = 1 - P(Z<1.50)

= 1 - 0.9332 = 0.0668.

b) n = 15

The sampling distribution of the mean weight is approximately normal, because the population distribution is approximately normal.

The sampling distribution of the sample mean has mean μ and standard deviation σ/√n

μ = 1000/√15 = 258.19

c) The sampling distribution of the sample mean has mean μ and standard deviation σ/√n

The z-value is the sample mean decreased by the population mean, divided by the standard deviation:

z = x-u/σ/√n = 10500-9000/1000√15 = 5.81

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The correct missing statement and the reason is NP = NO + OP by Segment Addition Property

Given: MONP

Prove: MN = OP

The Segment Addition Property states that,

When three locations A, B, and C are on the same line and point B is located between points A and C, the length of the line segment AC is equal to the sum of the lengths of the three line segments AB and BC.

In mathematical notation, this property can be represented as:

AB + BC = AC

Statements                                                  Reasons

1. MO = NP                                                     1. Given

2. MO = MN+ NO                                     2. Segment Addition Property

3. NP = NO + OP                                      3. Segment Addition Property

4. MN+NO = NO+ OP                              4. Substitution Property

5. MN = OP                                              5. Subtraction Property of Equality

Hence the correct option is 2nd.

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The test used to determine whether or not first-order autocorrelation is present is the Durbin-Watson test.

1. Fit a regression model to the data.

2. Obtain the residuals, which represent the differences between the observed values and the predicted values from the regression model.

3. Calculate the Durbin-Watson statistic, which is a ratio of the sum of squared differences between adjacent residuals to the sum of squared residuals.

4. Compare the calculated Durbin-Watson statistic to critical values from a Durbin-Watson table or use statistical software to determine if there is significant autocorrelation.

5. The Durbin-Watson statistic ranges from 0 to 4, where a value around 2 suggests no autocorrelation, a value below 2 indicates positive autocorrelation, and a value above 2 indicates negative autocorrelation.

6. By analyzing the Durbin-Watson statistic, researchers can make conclusions about the presence or absence of first-order autocorrelation in the regression model.

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Darwin's geometric ratio of increase pertains specifically to the growth rate of populations in biological organisms. According to Darwin's theory of evolution, populations have the potential to increase exponentially over time if certain conditions are met. The geometric ratio of increase, often denoted as "r" or the intrinsic rate of natural increase, represents the factor by which a population multiplies during each reproductive cycle or generation.

In the context of natural selection, individuals with higher reproductive rates (higher r-values) have a greater chance of passing on their genetic traits to the next generation. Over time, this can lead to significant population growth and evolutionary changes within a species. However, the geometric ratio of increase is limited by various factors, such as availability of resources, competition, predation, and environmental constraints, which can result in a balance between population growth and environmental carrying capacity.

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Answer:

-20x

Step-by-step explanation:

the number outside of the parenthasis must be distributed to all numbers with in them.

ex:

-3(2x + 5) = -6x -15

Tax levied is $4.17 if the price of album is $27.80.

Kathy will get $3.03 after buying the album and paying the tax.

A tax is a mandatory financial charge or other sort of levy that is placed on a taxpayer by a governmental entity in order to pay for public services and other expenses.

The total amount is calculated by adding the tax on the cost of product or service.

The pre-tax price of an item must first be multiplied by the sales tax percentage once it has been translated to a decimal form in order to determine the amount of sales tax that will apply to the purchase. To determine the item's Total Amount, the sales tax must be computed and then added to the pre-tax price.

a) Given data: Tax%=0.15 of cost of album

Selling Price=$27.80.

Tax=Tax%×Selling Price

=0.15×27.80

=$4.17

b) Given data: Amount given by Kathy = $35

Tax=$4.17

Total Amount = Selling Price + Tax

=$4.17+$29.80

=$31.97

Amount left can be calculated by subtracting the amount given by Kathy from the Total Amount.

Amount=$35-$31.97

=$31.97

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Based on an 80% learning curve and the given information that the second plane took 20,000 hours to produce, the time required for the fourth unit is approximately 10,714 hours.

The learning curve concept suggests that as cumulative production doubles, the time required to produce each unit decreases by a certain percentage. In this case, the learning curve is 80%, meaning that the time required to produce each subsequent unit decreases by 20%.
To determine the time required for the fourth unit, we can use the learning curve formula:
Time for nth unit = Time for the first unit * (n^log(learning curve))
Given that the second plane took 20,000 hours to produce, we can use this information to calculate the time for the fourth unit:
Time for fourth unit = 20,000 * (4^log(0.8))
Evaluating the expression, we find that the time required for the fourth unit is approximately 10,714 hours.
Therefore, according to the 80% learning curve, the fourth unit would require approximately 10,714 hours to produce.

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Answer:

52°

Step-by-step explanation:

The angle 38° and m∠1 equal 90°, so 90-38=52.

Answer:

thats is an obtuse so if 2 is 38 then 1 should be 120 but u add those together u get 158 so it shold be 120 but if not then try looking explamles up

Step-by-step explanation:

Answer:

Step-by-step explanation:

A. Greatest common factor is 6, so wrong.

B. Correct.

C. Wrong, least common multiple is 8.

D. Wrong, least common multiple is 12.