help please i dont get this

To calculate the energy of the resulting explosion when a 10,000 kg UFO made of antimatter crashes with a 40,000 kg plane made of matter, we can use Einstein's famous equation, E=mc², which relates energy (E) to mass (m) and the speed of light (c).

In this case, we'll need to calculate the total mass of matter and antimatter involved in the collision and then use the equation to find the energy released. The equation E=mc² states that energy is equal to the mass multiplied by the square of the speed of light (c). In this scenario, we have a collision between a UFO made of antimatter and a plane made of matter. Antimatter and matter annihilate each other when they come into contact, resulting in a release of energy.

To calculate the energy of the resulting explosion, we need to determine the total mass involved in the collision. The total mass can be calculated by adding the masses of the UFO and the plane together. In this case, the UFO has a mass of 10,000 kg and the plane has a mass of 40,000 kg, so the total mass is 50,000 kg.

Next, we can use the equation E=mc² to calculate the energy. The speed of light (c) is a constant value, approximately 3 x 10^8 meters per second. Plugging in the values, we have E = (50,000 kg) x (3 x 10^8 m/s)². Simplifying the equation, we have E = 50,000 kg x 9 x 10^16 m²/s².Multiplying the numbers, we get E = 4.5 x 10^21 joules. Therefore, the energy of the resulting explosion when the UFO and plane collide is approximately 4.5 x 10^21 joules.

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Answer:

On the y-axis line

Step-by-step explanation:

Given the location (a,b) of the point P on the coordinated plane.

If a=0

Then the location of P on the x-axis is at x=0

Since b is not equal to zero, b could be positive or negative.

Therefore, the point P could be located on the positive y-axis or the negative y-axis,

It must be exactly on the line.

Answer: .

Credit reporting agencies provide a free credit report each year upon request

Step-by-step explanation:

A credit report simply refers to the record of the credit history of a borrower from sources, such as collection agencies, banks, credit card companies, and governments.

It should be noted that an individual will be given one free copy of his or her credit report every year. Therefore, the correct option will be D.

Michael needs to analyze the population data, demographics of the city, and the competition in the area to determine whether or not to open a new store.

Michael is trying to determine where to open two new store locations. He has population data to determine the amount of revenue he will receive for each location.

He is charged a $1000 fee for opening a new store at a certain location. However, he is unsure whether the population of the city would be large enough to warrant opening a new store at that location.

The first step that Michael needs to take is to analyze the population data that he has.

Based on the population data, he needs to make an informed decision about whether or not to open a new store at that location. This would require him to take into consideration the average income of the population as well as the demographics of the city.

Another important factor that Michael needs to take into consideration is the competition in the area. If there are already several stores in the area, then opening a new store might not be a good idea.

This is because the competition would be too high and he would not be able to generate enough revenue to make up for the cost of opening a new store.

However, if there are no stores in the area, then Michael might consider opening a new store. This would require him to invest a significant amount of money, but he could also generate a significant amount of revenue in return.

Additionally, he needs to take into consideration the cost of opening a new store and whether or not he can generate enough revenue to make up for that cost.

Overall, Michael needs to carefully analyze all the data that he has before making an informed decision about where to open new store locations.

In conclusion, Michael needs to analyze the population data, demographics of the city, and the competition in the area to determine whether or not to open a new store. If the population is large enough and there is no competition in the area, then he should consider opening a new store. However, if there is already a significant amount of competition in the area, then he should avoid opening a new store.

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Probability means how likely something is going to happen.

P(black)= \(\frac{1}{15}\)

P(10) = \(\frac{10}{15} = \frac{2}{3}\)

P(an odd number) = \(\frac{8}{15}\)

P(an even number) = \(\frac{7}{15}\)

P(solid red, yellow, green) = \(\frac{4}{15}\)

P(a number less than 20) = 1

Probability relates to potential. The occurrence of a random event is the subject of this branch of mathematics. The range of values ​​is from 0 to 1. Mathematics incorporated probabilities to predict the probabilities of different events.

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Answer:

$4.30

Step-by-step explanation

$43 x %50 = $21.50

$21.50 x %20 = $4.30

If  the item originally cost $43 then Dan paid $17.20 for the item after the discount.

percentage, a relative value indicating hundredth parts of any quantity.

Given that Dan gets a senior citizen’s discount of 20% for any purchase at the local auto parts store.

We have to find the amount paid by Dan after the discount.

If the original price of the item was $43 and it was half price, then Dan paid:

$43 / 2 = $21.50

Dan also gets a 20% discount on this price, so the amount he paid after the discount is:

$21.50 - 0.20($21.50) = $17.20

Therefore, Dan paid $17.20 for the item after the discount.

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Answer:

90 degrees

Step-by-step explanation:

A triangle's degrees add up to 180. You are already given 2 of the. Let x be the 3rd angle. Here is the equation: 29+61+x=18. x=90.

Hope this helped!

Answer:

A.90°

Step-by-step explanation:

A triangle's interior angles are equal to 180°.

So since two angles are given all you need to do is add the given angles and subtract the sum from 180°.

61°+29°=90°

180°-90°=90°

The missing angle m<R is equal to 90°

Your answer is: A.90°

Hope this helps! :)

Answer:

74

Step-by-step explanation:

370 / 5 = 74 so she can only make 74

Hope this helped

Applying the knowledge of fractions, the number of cups of water that will fill a bottle of 3 liters is calculated as: 13.5 cups.

Fractions are numbers that indicate a part of whole numbers. For example, 2/9 of a liter means 2/9 of a part of 1 liter.

In math, a proportion is simply and equation that sets to ratios equal to each other.

To solve the problem given, create a proportion then use cross product to find the wanted value, which is the number of cups of water that can be filled into a 3-liter bottle.

Let x represent the cups of water we are looking for.

1 cup = 2/9 liter

x = 3 liters

We would have:

(1)(3) = (2/9)(x)

3 = 2x/9

(3)(9) = 2x

27/2 = x

x = 13.5

The number of cups of water to fill a 3-liter bottle is: 13.5.

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The answer is True. Researchers must carefully consider their sampling methods and statistical techniques to ensure that their results are reliable and valid. Overall, using sample results to estimate unknown population statistics is a common practice in statistics and plays an important role in research and decision-making processes.

In statistics, researchers often use sample data to make inferences about a larger population. This is because it is often impractical or impossible to collect data from every single individual in a population. Instead, researchers select a smaller group, known as a sample, and use statistical methods to analyze the data collected from this group. By doing so, they can estimate or infer characteristics of the larger population. However, it is important to note that the accuracy of these estimates depends on the size and representativeness of the sample, as well as the statistical methods used.

Taking a sample allows researchers to save time and resources while still obtaining reliable information about the population. The accuracy of these estimates depends on factors such as sample size and sampling methods. In summary, using sample results to estimate an unknown population statistic is a common and useful practice in research.

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Given that X₁, X₂,..., X is a random sample from an exponential family with the following probability density function, f(x 0) = exp (0T(x) + d(0)+ S(x)).

To form the hypothesis for the exponential family, we need to consider the null and alternative hypothesis.

Null hypothesis: 0= 0

Alternative hypothesis: 0 ≠ 0

Explanation: The exponential family is a class of distribution families. The density of an exponential family is given by the following expression:

f(x|θ) = h(x) exp{θT(x) − A(θ)},

where h(x) is a nonnegative function of the data that does not depend on the parameter θ and A(θ) is a normalizing function.

The parameter θ is typically called the natural parameter, and T(x) is the vector of sufficient statistics. The exponential family of distributions includes the normal, exponential, chi-squared, gamma, and beta distributions, among others. In hypothesis testing for the exponential family, we typically specify a null hypothesis and an alternative hypothesis, just as in other types of hypothesis testing. The test statistic is usually a ratio of two likelihood ratios.

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Answer:

B.Q1, Q3, maximum

Step-by-step explanation:

The left side of the box is hovering over 65

The left side of the box represents quartile 1

The right side of the box is hovering over 85

The right side of the box represents quartile 3

The whisker at the end of the right side is hovering over 100

The whisker at the very end of the right represents the maximum

Hence, we can conclude that the answer is Q1 Q3 maximum

The value of the expression "8 × 8 × 8 × 8 × 8" is 32,768, obtained by repeatedly multiplying 8 by itself five times.

The expression "8 × 8 × 8 × 8 × 8" represents the multiplication of the number "8" by itself 5-times. When you multiply 8 by 8, you get 64. Multiplying 64 by 8 gives you 512, and multiplying 512 by 8 yields 4,096. Finally, multiplying 4,096 by 8 results in 32,768.

Therefore, the required value of expression "8 × 8 × 8 × 8 × 8" is 32,768. This indicates that by repeatedly multiplying 8 by itself, a total of five times, we arrive at the final product of 32,768.

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The given question is incomplete, the complete question is

What is the value of the expression " 8 × 8 × 8 × 8 × 8"?

The function f(x) = -9 log x is decreasing with a y-intercept at (0,1). As x increases, f(x) decreases.

The given function is f(x) = -9 log x. Let's analyze its characteristics to determine whether it is increasing or decreasing and where it intersects the x-axis and y-axis. To understand the behavior of the function, let's consider the properties of the logarithmic function. The logarithm of a number less than 1 is negative, and as x approaches 0, the logarithm of x approaches negative infinity. Additionally, as x increases, the logarithm of x decreases.

In the given function, we have a negative sign preceding the logarithm. This implies that the function is reflected in the x-axis, meaning that as x increases, f(x) decreases. Moreover, the function has a y-intercept at (0,1) because when x = 1, f(x) = -9 log 1 = 0.

Therefore, based on these observations, we can conclude that the function f(x) = -9 log x is decreasing with a y-intercept at (0,1).

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Answer:

1/2

Step-by-step explanation:

the slope equals to tg α

m = tg α = Δy/Δx, where Δy = (y2 - y1), Δx = (x2 - x1)

M1(-2, 0) M2(0,1),
m = 1 - 0 / 0 -(-2) = 1/2

The value of the piecewise function for f(3) is 4

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

f(x) = 2x if x < 1

f(x) = 1/2x + 5/2 if x >= 1

The function f(3) implies that we make use of the function

f(x) = 1/2x + 5/2

This is because it is valid for x >= 1

substitute the known values in the above equation, so, we have the following representation

f(3) = 1/2 * 3 + 5/2

Evaluate

f(3) = 4

Hence, the piecewise function for f(3) is 4

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Answer: (-5x+3) - (-7x7) = -5x + 3 - (-7x7) = -5x + 3 + 7x7 = 2x7

The expression (-5x+3) - (-7x7) is the result of subtracting two algebraic expressions. When subtracting algebraic expressions, we need to distribute the negative sign to each term before combining like terms.

The first step is to distribute the negative sign to each term in the second expression, (-7x7). This gives us:

(-5x+3) - (-7x7) = -5x+3 + 7x7

Now we can combine the like terms, x7, to get the simplified expression:

-5x+3 + 7x7 = 2x7

So the final answer is 2x7.

Step-by-step explanation:

Answer:

As a decimal its 6.34, If you round up then its 6.35

As a fraction its 400/63

As a mixed number its  6 22/63

Answer:

A B and C

Step-by-step explanation:

it's a simple question

The system specifications may not be consistent if the router doesn't support the new address space. The reason is that the router must be compatible with the addressing scheme used by the system for proper communication.

If the router does not support the new address space, there might be issues with the system's performance or accessibility. The address space is the number of unique IP addresses that are available in a network. An IP address is required to identify each device on a network and to enable communication between devices.

With the increasing number of devices on a network, new address spaces are required to ensure that each device has a unique IP address. The compatibility of system specifications is a crucial aspect that must be considered when building a system. If the system specifications are not consistent, it might cause the system to malfunction, resulting in poor performance or accessibility issues. Thus, it is important to ensure that the router supports the new address space before integrating it into the system.

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Answer:

AB=8 BC=17 AC=9 BD=18

Step-by-step explanation:

Okay, so A is -3 and B is 5, so the distance would be 8, because the difference between -3 and 5 is 8. The same goes for all the rest. The distance on the number line is the difference between the two numbers they represent.

If the null hypothesis is not rejected, we cannot conclude that there is a significant difference between the two time periods.

Assuming that the question is "Has real gross domestic product per capita significantly increased between 1988 and 1990?" We can use a paired-sample t-test to answer this question.

Here are the steps to conduct the paired-sample t-test:

Null hypothesis: The mean difference between the real gross domestic product per capita in 1988 and 1990 is zero. In other words, there is no significant difference between the two time periods.

Alternative hypothesis: The mean difference between the real gross domestic product per capita in 1988 and 1990 is not zero. In other words, there is a significant difference between the two time periods.

Determine the level of significance, alpha (α). Let's assume α = 0.05.

Calculate the difference between the two time periods (1990 - 1988) for each observation.

Calculate the mean and standard deviation of the differences.

Calculate the standard error of the mean difference (SEd) by dividing the standard deviation of the differences by the square root of the sample size.

Calculate the t-statistic by dividing the mean difference by the SEd.

Calculate the degrees of freedom (df) using the formula: df = n - 1, where n is the sample size.

Determine the critical t-value from the t-distribution table with df = n - 1 and α = 0.05.

Compare the calculated t-value with the critical t-value. If the calculated t-value is greater than the critical t-value, reject the null hypothesis. Otherwise, fail to reject the null hypothesis.

Interpret the results. If we reject the null hypothesis, we can conclude that there is a significant difference between the two time periods, and the direction of the difference can be determined by the sign of the mean difference.

Note: In order to conduct the paired-sample t-test, we need to assume that the differences are normally distributed and the variances of the two populations are equal.

After conducting the test, we can conclude whether there is a significant difference in real gross domestic product per capita between 1988 and 1990. If the null hypothesis is rejected, we can conclude that there is a significant difference between the two time periods. If the null hypothesis is not rejected, we cannot conclude that there is a significant difference between the two time periods.

Complete question: Two of the variables in this file ( rgdpch and rgdp88) measure real Gross Domestic Product (GDP) per capita in 1990 and 1988. Please conduct the appropriate t-test to answer the following question:

Is there statistically significant evidence that per capita GDP in 1988 is different from that of 1990? Please show your results and reasoning to justify your answer.

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Answer:

40312 arrangements

Step-by-step explanation:

there are 8 letters with two Ps.

8*7*6*5*4*3*2*1-8=40312

To determine the location of the maximum tensile bending stress with respect to the neutral axis, you need to find the point where the distance (y) is maximum.

To calculate the maximum tensile bending stress, you need to know the moment of inertia of the cross-sectional shape and the distance from the neutral axis to the point of interest.

The formula to calculate the maximum tensile bending stress (σ) is:

σ = (M * y) / I

where:

- M is the bending moment applied to the material

- y is the distance from the neutral axis to the point of interest

- I is the moment of inertia of the cross-sectional shape

Please provide the values for the bending moment (M), the moment of inertia (I), and the cross-sectional shape to calculate the maximum tensile bending stress and determine its location with respect to the neutral axis.

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The flux of the vector-field F = 1i + 1j + 2k across the surface S is 2. We find out the flux of the vector-field using Green's Theorem.

Flux form of Green's Theorem for the given vector-field

φ = ∫ F.n ds

= ∫∫ F. divG.dA

Here G is equivalent to the part of the plane = 2x+4y+z = 2.

and given F = 1i + 1j + 2k

divG = div(2x+4y+z = 2) = 2i + 4j + k

Flux = ∫(1i + 1j + 2k) (2i + 4j + k) dA

φ = ∫ (2 + 4 + 2)dA

= 8∫dA

A = 1/2 XY (on the given x-y plane)

2x+4y =2

at x = 0, y = 1/2

y = 0, x = 1

1/2 (1*1/2) = 1/4

Therefore flux = 8*1/4 = 2

φ = 2.

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Answer:

a.) write an equation to represent this situation

Step-by-step explanation:

Step 1

Given;

Required; To find the price per ounce

Step 2

State the ratio that can be used to find the price per ounce of the candy bars.

EXPLANATION

Domain = All Real Numbers

Range = { y/ y >= 5}

The number of adults and children at the concert went was 61 and 44 respectively.

Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.

Let's suppose the number of adults who went to the concert was A while for children is C

Total people = adult + children

A + C = 105

Cost of adult = 3A

Cost of children = 3C

Total ticket = Cost of adult + Cost of children

3A + 3C = 271

By substitution,

A = 61 and C = 44

Hence "The number of adults and children at the concert went was 61 and 44 respectively".

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Answer:

Where’s the graph?

Step-by-step explanation: