PLEASE HELP 30 POINTS URGENT

Step-by-step explanation:

shmskustj gkxyla5j xydky

Answer:

0.375 kilometers, or 3/8 of a kilometer.

Step-by-step explanation:

Answer: 0.375 or 3/8 of a kilometer

Step-by-step explanation:

divide the numbers

9 / 24

0.375 or 3/8 of a kilometer

Answer:

p ≥ 5

4s + 10p ≤ 100

Step-by-step explanation:

Here, we want to write a system of inequalities

Let the number of bags of soil be s and the number of plants be p

She wants to buy at least 5 plants

mathematically, when something is at least 5, it means greater than or equal to 5

In inequality, we have this as;

p ≥ 5

Secondly, she wants to spend not more than $100; she can spend less but cannot spend more

We have this as;

The number of bags she can buy at $4 per bag is 4 * s = 4s

the number of plants at $10 per one will be;

10 * p = 10p

Adding both should give a cost less than or equal to 100

We have this as;

4s + 10p ≤ 100

So, we have the system of inequalities as;

p ≥ 5

4s + 10p ≤ 100

A type of article that provides a quantitative summary of the evidence is a systematic review and meta-analysis.

A systematic review is a comprehensive and rigorous approach to synthesizing existing research literature on a specific topic. It involves a systematic search for relevant studies, an assessment of their quality and relevance, and a synthesis of the findings.

A meta-analysis, on the other hand, is a statistical method that combines the results of multiple studies to generate a quantitative summary of the evidence.

Systematic reviews and meta-analyses are considered the highest level of evidence in evidence-based medicine and other fields. They provide an objective and rigorous assessment of the available evidence, helping to guide clinical practice, policy decisions, and further research.

By pooling data from multiple studies, meta-analyses can provide more precise estimates of treatment effects or other outcomes of interest.

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Answer:

6,666

Step-by-step explanation:

A four-digit number: 1,234

All digits are the same: 1111, 2222, 3333...

Value in the hundreds place: 0,600

Answer: 6,666

No, He is not correct because first line is incorrect.

We have to given that,

Student work is shown.

The first line reads, negative start fraction 2 over 3 end fraction divided by start fraction 4 over 5 end fraction equals start fraction negative 3 over 2 end fraction times start fraction 4 over 5 end fraction.

The second line reads, equals start fraction negative 12 over 10 end fraction.

And, The third line reads, equals negative start fraction 6 over 5 end fraction.

Now, We can write as,

For first line,

- 2/3 ÷ 4 /5 = - 3/2 x 4/5

Which is incorrect.

Because it can be written as,

- 2/3 ÷ 4 /5 = - 2/3 x 5/4

Hence, He is not correct.

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Answer:

532.12

Step-by-step explanation:

251 x 2 = 502

502 x .06 = 30.12

30.12 + 502 = 532.12

Her regular fare will be $15.06.

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

Given that;

The $251 includes a 6% tax on the regular fare.

Now,

Since, The $251 includes a 6% tax on the regular fare.

Hence, The regular fare = 6% of $251

                                      = 6/100 × 251

                                      = $15.06

Thus, Her regular fare will be $15.06.

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Answer:

16

Step-by-step explanation:

4y = 2.6

y = 0.65

20y + 3

= 20 × 0.65 + 3

= 13 + 3

= 16

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The solution to the equation 2 csc x = 3 csc θ − csc θ sin θ in the range 0 ≤ θ < 2π is:

θ = 7π/6

We can start by manipulating the given equation to express cscθ in terms of cscx:

2 csc x = 3 csc θ − csc θ sin θ

2/cscθ = 3 - sinθ

cscθ/2 = 1/(3 - sinθ)

cscθ = 2/(3 - sinθ)

Now we can use the identity sin²θ + cos²θ = 1 and substitute for cscθ in terms of sinθ:

1/cosθ = 2/(3 - sinθ)

cosθ = (3 - sinθ)/2

Next, we can use the identity sin²θ + cos²θ = 1 to solve for sinθ:

sin²θ + cos²θ = 1

sin²θ + [(3 - sinθ)/2]² = 1

Multiplying both sides by 4, we get:

4sin²θ + (3 - sinθ)² = 4

Expanding and simplifying, we get:

8sin²θ - 6sinθ - 8 = 0

Dividing both sides by 2, we get:

4sin²θ - 3sinθ - 4 = 0

Using the quadratic formula with a = 4, b = -3, and c = -4, we get:

sinθ = [3 ± √(3² - 4(4)(-4))]/(2(4))

sinθ = [3 ± √49]/8

sinθ = (3 ± 7)/8

Since 0 ≤ θ < 2π, we only need to consider the solution sinθ = (3 - 7)/8

= -1/2 corresponds to an angle of 7π/6 in the third quadrant.

To find cosθ, we can use the identity sin²θ + cos²θ = 1:

cosθ = ±√(1 - sin²θ)

Since we are in the third quadrant, we want the value of cosθ to be negative, so we take the negative square root:

cosθ = -√(1 - (-1/2)²)

cosθ = -√(3/4)

cosθ = -√3/2

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The probability of either A or B occurring (or both) is  0.11. The correct answer is A.

We know that:

P(A) = 0.58

P(B) = 0.44

P(A ∩ B) = 0.25

We can use the formula:

P(A ∪ B) = P(A) + P(B) - P(A ∩ B)

to find P(A ∪ B), which is the probability of either A or B occurring (or both). Substituting the given values, we get:

P(A ∪ B) = 0.58 + 0.44 - 0.25

= 0.77

We also know that:

P(A ∩ B) = P(A) + P(B) - P(A ∪ B)

Substituting the values we know, we get:

0.25 = 0.58 + 0.44 - P(A ∪ B)

Solving for P(A ∪ B), we get:

P(A ∪ B) = 0.58 + 0.44 - 0.25

= 0.77

Therefore, we have:

P(A ∩ B) = 0.25

P(A ∪ B) = 0.77

Using the formula:

P(A ∩ B) = P(A) + P(B) - P(A ∪ B)

we can find P(A ∩ B) as:

0.25 = 0.58 + 0.44 - 0.77 - P(A ∩ B)

Solving for P(A ∩ B), we get:

P(A ∩ B) = 0.11

Therefore, the answer is (a) 0.11.

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Answer:

A. How many times the ad appear:

= 400 times

B. How many hits the website must have for thread to appear 1000 times with 0.05 probability that an ad appears when the website is loaded.

= 20,000 hits

Step-by-step explanation:

A. The probability that an ad appears when a particular website is loaded = 0.2

When the website gets 2,000 hits a day, the ad appears

= 2,000 x 0.2

= 400 times

B. When the probability that an ad appears when the website is loaded is 0.05.

Therefore, the website must have 20,000 hits for thread to appear 1,000 times

= 1,000/0.05

= 20,000 times

The probability of an ad appearing when a website is loaded is the chance that the event happens (i.e. the ad appears) from the many events that can happen.

Answer:

V = 324π in³

Step-by-step explanation:

the volume (V) of a cylinder is calculated as

V = πr²h ( r is the radius of the base and h the height )

here r = 6 and h = 9 , then

V = π × 6² × 9

   = π × 36 × 9

   = 324π in³

The vertical asymptοtes οf the functiοn are x = -2 and x = 2.

An asymptοte οf the curve y = f(x) οr in the implicit fοrm: f(x,y) = 0 is a straight line such that the distance between the curve and the straight line lends tο zerο when the pοints οn the curve apprοach infinity.

Tο find the vertical asymptοtes οf a functiοn, we need tο identify the values οf x that make the denοminatοr οf the functiοn equal tο zerο, because divisiοn by zerο is undefined. Therefοre, the vertical asymptοtes οccur when the denοminatοr οf the functiοn is equal tο zerο:

\(x^2 - 4 = 0\)

We can factοr the denοminatοr by using the difference οf squares fοrmula:

(x + 2)(x - 2) = 0

Nοw we can sοlve fοr the values οf x:

x + 2 = 0 οr x - 2 = 0

x = -2 οr x = 2

Therefοre, the vertical asymptοtes οf the functiοn are x = -2 and x = 2.

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The correct answer is c. Inferential Statistics.

Inferential statistics is the branch of statistics that allows for drawing conclusions about a population based on the information collected from a sample. When conducting research or surveys, it is often impractical or impossible to collect data from an entire population.

Instead, a representative sample is chosen, and inferential statistics are used to make inferences or predictions about the larger population. By analyzing the characteristics and patterns observed within the sample, inferential statistics enable researchers to make generalizations or draw conclusions about the population as a whole.

This process involves applying various statistical techniques, such as hypothesis testing and confidence intervals, to estimate population parameters and assess the reliability of the conclusions. Magnitude statistics, central tendency, and effect size are important concepts in statistics, but they do not specifically address the ability to draw population-level conclusions from sample data.

Magnitude statistics focuses on the size of the effect or relationship between variables, central tendency measures summarize the central values of a dataset, and effect size quantifies the strength of an effect or relationship.

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Answer:

well i don't know but i wish you the best of luck sorry always remember YOUR SMART ♥️♥️♥️♥️♥️

Step-by-step explanation:

When receiving ammunition, unit personnel perform three tasks: ensuring items requested match item numbers on DA Form 3151-R, loading and securing the ammunition, and placarding the vehicle.

The first task performed by unit personnel when receiving ammunition is to ensure that the items requested match the item numbers on DA Form 3151-R. This form serves as a record of the types and quantities of ammunition being received. By comparing the requested items with the item numbers on the form, personnel ensure accuracy and prevent any discrepancies or errors in the delivery.

The second task involves the loading and securing of the ammunition. Unit personnel are responsible for safely and efficiently loading the ammunition onto the designated vehicle or storage area. This includes following proper handling procedures, using appropriate equipment, and adhering to safety protocols. The ammunition must be securely stored and arranged to prevent shifting or damage during transportation.

The final task is to placard the vehicle. Placarding involves visibly displaying the necessary warning signs or labels on the vehicle that indicate the presence of ammunition. This step is crucial for safety and compliance purposes, as it alerts other personnel and drivers to exercise caution when approaching or handling the vehicle. Clear and prominent placarding helps prevent accidents and ensures that everyone involved is aware of the potential hazards associated with transporting ammunition.

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The time it take riders to pass over the hill and reach ground level is 111.19 seconds .

Given :

the roller coaster's height expressed by the equation below;

h = -0.067t^2 + 7t + 50

where

t is the time in seconds

The driver will hit the ground at the point where h = 0

Substitute

-0.067t^2 + 7t + 50 = 0

Multiply through  by -1

0.067t^2 - 7t +-50 = 0

Factorize :

On factorizing, the positive value of "t" is 111.19 seconds

Hence the time it take riders to pass over the hill and reach ground level is 111.19 seconds

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Answer:

292:365 boys:girls

Step-by-step explanation:

boys = girls - 20%

20% of 365 is 73

375 - 73 is 292

Applying the geometric theorem, the measure of y = 9.

The geometric theorem states that, h = √(ab), where h is the altitude of a right triangle, a nd b are the segments formed when the altitude divides the hypotenuse of a right triangle.

Thus:

y = altitude = ?

a = 3

b = 27

Substitute

y = √(3 × 27)

y = √81

y = 9

Therefore, applying the geometric theorem, the measure of y = 9.

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Answer:

  x = 35

Step-by-step explanation:

The angle marked 125° is angle DPE. The (vertical) angle formed from the rays opposite PD and PE is angle BPA. That angle is divided into two parts by ray PC. One of those parts is angle CPA, shown as 90°. The other part is angle CPB, shown as x°. This means ...

  angle DPE = angle BPA . . . . vertical angles have the same measure

  125° = 90° +x°

  35 = x . . . . . . . . . . divide by °, subtract 90

Answer:

− x+9

Step-by-step explanation:

−

7

7

+

9

{\color{#c92786}{\frac{-7x}{7}}}+9

7−7x​+9

−

+

9=−

+

9

The function f(x) = \(x^2 e^{(-x^2)}\) has a maximum value at x = 0, which is a relative maximum point.

To find the relative maximum of the function f(x) =\(x^2 e^{(-x^2)}\), we can take its first derivative, set it to zero, and solve for x.

f(x) = \(x^2 e^{(-x^2)}\)

f'(x) = \(2x e^{(-x^2)} - 2x^3 e^{(-x^2)}\)

Setting f'(x) = 0, we get:

\(2x e^{(-x^2)} - 2x^3 e^{(-x^2)} = 0\)

\(2x e^{(-x^2)} (1 - x^2) = 0\)

This equation is true when either \(2x e^{(-x^2)} = 0\) or \(1 - x^2 = 0\).

Solving \(2x e^{(-x^2)} = 0\), we get x = 0.

Solving \(1 - x^2 = 0\), we get x = 1 or x = -1.

Now, we need to determine whether these values of x correspond to relative maximum, minimum, or inflection points.

To do this, we can use the second derivative test. The second derivative of f(x) is:

f''(x) = \(2e^{(-x^2)} - 4xe^{(-x^2)} - 4x^2e^{(-x^2)}\)

At x = 0, f''(0) = 2, which is positive. This means that f(x) has a relative minimum at x = 0.

At x = 1, f''(1) = \(-6e^{(-1)}\), which is negative. This means that f(x) has a relative maximum at x = 1.

At x = -1, f''(-1) = \(-6e^{(-1)}\), which is negative. This means that f(x) has a relative maximum at x = -1.

Therefore, the answer is (D) -1 and 1 only, as these are the only values of x at which f(x) has a relative maximum.

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The null hypothesis is rejected at a 5% significance level (α = 0.05) when the p-value is smaller than 0.05.

In statistical hypothesis testing, the null hypothesis is a statement that assumes no significant difference or relationship between variables. The p-value is a measure that quantifies the strength of evidence against the null hypothesis. It represents the probability of obtaining the observed data, or more extreme results, assuming the null hypothesis is true.

The significance level, typically denoted as α (alpha), is the threshold used to determine whether to reject the null hypothesis. The most common significance level is 0.05 or 5%. If the p-value calculated from the test is smaller than the significance level, it indicates that the observed data is unlikely to have occurred by chance alone, leading to the rejection of the null hypothesis.

For example, if we conduct a hypothesis test and obtain a p-value of 0.03, and we have set our significance level at 0.05, then since 0.03 < 0.05, we would reject the null hypothesis. This means that the observed data provides sufficient evidence to support an alternative hypothesis or claim.

The null hypothesis is rejected at a 5% significance level (α = 0.05) when the p-value is smaller than 0.05. This indicates that the observed data provides significant evidence against the null hypothesis and supports an alternative hypothesis or claim.

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The percentage of people between the ages of 40 and 70 is approximately 50.66%.

To calculate the percentage of people between the ages of 40 and 70, we need to determine the proportion of the total population that falls within this age range.

First, let's add up the frequencies that represent the number of individuals within the specified age range:

20 + 30 + 50 + 60 + 70 = 230

Next, we sum up the total frequencies to find the overall population:

5 + 4 + 3 + 2 + 20 + 30 + 50 + 60 + 70 + 80 + 90 + 100 = 454

Now, we can calculate the percentage of people between the ages of 40 and 70:

(230 / 454) * 100 = 50.66%

Therefore, the percentage of people between the ages of 40 and 70 is approximately 50.66%.

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Heuristics refers to rules of thumb that simplify the decision-making process. Heuristics are mental shortcuts that help individuals make decisions quickly, often relying on previous experience or intuition rather than a more systematic approach.

While heuristics can be useful, they can also lead to biases and errors in judgment if they are applied too broadly or without careful consideration. It is important to be aware of these heuristics and how they can affect decision-making processes, especially in complex or high-stakes situations where careful consideration is necessary.

The answer is C.

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Answer:

3.000

Step-by-step explanation:

Selisih

= 5000 - 2000

= 3000

Maka, selisih harga tiket delman Korea & Kanada adalah 3.000 .

Tiket to Korea = 5.000

Tiket to Kanada = 2.000

—» Selisih = Tiket Korea - Tiket Kanada

—» Selisih = 5.000 - 2.000

—» Selisih = (5 - 2)000

—» Selisih = 3.000

Answer:

E no is the correct answer

This is an incredibly long time, equivalent to about 111,000,000 years!  even with the ability to compute, store, and check for collisions at a rate of 2,000,000 instances per second, finding a collision in SHA3-256 with a probability of at least 1/100,000 is practically impossible.

The probability of finding a collision in a hash function with n-bit output, such as SHA3-256, is roughly proportional to the square root of the number of possible hash values is \(2^{(n/2)\).

SHA3-256, n is 256, so the number of possible hash values is

\(2^{(256/2)} = 2^{128.\)

Let t be the number of seconds we need to run the computation. In one second, we can compute 2,000,000 instances of SHA3-256.

In t seconds, we can compute 2,000,000t instances of SHA3-256.

The number of pairs of hash values that we can generate from 2,000,000t instances is

(2,000,000t choose 2) = (2,000,000t) × (2,000,000t - 1)/2.

To have a probability of at least 1/100,000 of finding a collision, we need the number of pairs of hash values to be at least 100,000 times the number of possible hash values, which is:

(2,000,000t) × (2,000,000t - 1)/2 >= 100,000 × 2¹²⁸

Simplifying and solving for t, we get:

\(t > = \sqrt{((100,000 \times 2^{128})/(2,000,000)^2 - 1/2,000,000)} \approx 3.52 \times 10^{15} seconds\)

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The probability at least 1/100,000 of finding a collision is 2.12 x \(10^{29\) seconds is approximately \(6.73 x 10^{21\) years

In cryptography, a collision occurs when two different inputs produce the same hash output.

The probability of finding a collision increases as the number of inputs increases, and this is what we want to calculate.
Assuming we can compute, store, and check for collisions 2,000,000 instances of SHA-3 (SHA3-256) in one second, we can compute the number of possible inputs that can be hashed in a given time frame.

If we assume a year contains 31,536,000 seconds, then in one year we can compute:
2,000,000 * 31,536,000 = 63,072,000,000,000
That is 63.07 trillion inputs hashed in one year.
Next, we need to calculate the probability of finding a collision among all these inputs.

To do this, we can use the birthday paradox formula, which states that the probability of finding a collision in a set of n items is approximately \(n^2\)/\(2^{(k+1)\).

Where k is the number of bits in the hash output.

For SHA3-256, k = 256.
So, the probability of finding a collision in our set of hashed inputs is:
63,072,000,00 / 2(256+1) = 0.01266
This is an extremely small probability, which means it would take a very long time to find a collision with a probability of at least 1/100,000.

In fact, we would need to compute and store billions of times more hashes than what we can currently achieve in a year.
Therefore, to answer your question, we can say that even with the ability to compute, store, and check for collisions 2,000,000 instances of SHA-3 (SHA3-256) in one second, it would take an impractical amount of time to find a collision with a probability of at least 1/100,000.

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The concept of consecutive integers is explained as follows:

Consecutive numbers, or consecutive integers, are integers that follow each other in order. The difference between any two consecutive numbers is always 1. For example, the consecutive numbers starting from 1 would be 1, 2, 3, 4, 5, and so on. Similarly, the consecutive numbers starting from -3 would be -3, -2, -1, 0, 1, 2, and so on.

It is important to note that if we have a consecutive sequence of integers, one number will be even, and the next number will be odd. This is because the parity (evenness or oddness) alternates as we move through consecutive integers.

Furthermore, the sum of two consecutive numbers (and, in fact, the sum of any number of consecutive numbers) is always an odd number. This is because when we add an even number to an odd number, the result is always an odd number.

To generate a sequence of consecutive integers, we can start with any integer n and then use n, n+1, n+2, and so on to obtain consecutive integers. For example, if n is an integer, then n, n+1, and n+2 will be consecutive integers.

Here are some examples of consecutive integers:

- Starting from 1: 1, 2, 3, 4, 5, ...

- Starting from -3: -3, -2, -1, 0, 1, 2, ...

- Starting from 1004: 1004, 1005, 1006, 1007, ...

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There is a 1.13 probability that Meleah will have to wait 5 minutes or less to see one of the courtesy vans from either car rental company A or B.

We can take into account the arrival times of the courtesy vans provided by both companies to determine the likelihood that Meleah will have to wait no more than five minutes to see one of the vans.

The courtesy van comes to car rental company A every seven minutes. This indicates that Meleah will see the van one in seven times within the first minute, one in seven times in the second minute, and so on.

Similar to this, the courtesy van comes to Car Rental Company B every 12 minutes. As a result, Meleah's chance of seeing the van in the first minute is one in twelve, her chance of seeing it in the second minute is one in twelve, and so on.

We need to add up the probabilities for each minute for both businesses and make sure that it does not exceed 1 in order to determine the likelihood that Meleah will see one of the vans within the next five minutes. The equation is as follows:

Probability for business A: 1/7, 1/7, 1/7, and 1/7) equals a probability of 5/7 for company B: 1/12 + 1/12 + 1/12 + 1/12) = 5/12 To determine the total probability, we add the probabilities of the two businesses:

Probability ratio: 5/7 + 5/12 We can find a common denominator to simplify this fraction:

The probability that Meleah will have to wait less than five minutes to see one of the vans is 95/84, or approximately 1.13, because (5/7) * (12/12) + (5/12) * (7/7) = 60/84 + 35/84 = 95/84.

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