How many total minutes is the Express train stopped from 7:00 am until 8:30 a.m

Step-by-step explanation:

The square root of 0.0144 is 0.12.

To find the square root of 0.0144, we can use a calculator or estimate it manually. One way to estimate the square root of 0.0144 is to recognize that it is very close to 0.01, which has a square root of 0.1. Since 0.0144 is slightly larger than 0.01, we can expect its square root to be slightly larger than 0.1.

To get a more precise answer, we can use a calculator or long division. Here's one way to do it:

- Write 0.0144 as a fraction: 0.0144 = 144/10000

- Take the square root of the numerator and denominator separately: sqrt(144)/sqrt(10000)

- Simplify the square roots: 12/100

- Reduce the fraction: 3/25

Therefore, the square root of 0.0144 is 0.12 or 3/25.

Answer:

m∠C = 108°

Step-by-step explanation:

The sum of the interior angles of a pentagon is 540°. Divide this sum by the number of angles to find the degrees of each one:

540/5 = 108

Answer:

A) 108 degrees

Step-by-step explanation:

regular pentagon means all the inside angles of the pentagon are the same

to find the inside angles of any polygon you can use the formula:

180(n-2)/n=a

where n is number of sides

a is the measure of one of its interior angles

pentagon has 5 sides

= 180((5)-2)/5

=180(3)/5

=540/5

=108

each angle of the regular pentagon is 108 degrees

measure of angle C is 108

Answer:

b = 7, c = -3 and a = 1

Step-by-step explanation:

So I'm assuming you know the quadratic formula, x=-b +- root (b^2-4ac)/2a

so knowing this, it is given that b^2 - 4ac = 61

it is also given 2a = 2 (the bottom of the fraction) which means a =1

and the -b = -7 (the start of the expression), which means b = 7

now we have b = 7, and a = 1

now we can sub it into b^2 - 4 x a x c = 61

b^2 is 7 x 7 = 49

4 x a x c = 4c

so we have 49-4c=61

-4c = 61-49

-4c = 12

c = -3

therefore we have b = 7, c = -3 and a = 1

The right alternative to replace the question mark (?) is nik.

The given series is wfb, tgd, qhg. To find the right alternative to replace the question mark (?), we need to identify the pattern in the series.

Looking at the series, we can observe that the first letter in each term is moving back two steps in alphabetical order, while the second letter is moving forward one step, and the third letter is moving forward one step and then moving forward two steps which means that it is moving forward with "n+1" steps where n = 0, 1, 2, 3,...

Applying this, we can determine the next term in the series:

w → t → q → n

f → g → h → i

b → d → g → k

So, the next term comes to be "nik"

Therefore, the right alternative to replace the question mark (?) is "nik".

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a. The equation that both services would cost the same is

0.25x + 5 = 0.35x + 2.

b. The weight of Mr. Molinary's package is 30 ounces.

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, AAA Packages Plus sends packages overnight for $5 plus $0.25 per ounce.

United Packages charges $2 plus $0.35 per ounce.

Assuming the no. of ounces to be x.

∴ 0.25x + 5 = 0.35x + 2.

0.25x - 0.35x = 2 - 5.

- 0.1x = - 3.

x = 3/0.1

x = 30 ounces.

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The iterated integral that expresses the surface area of the function z = y^2cos(7x) over the given triangle can be written as ∫ba∫g(y)f(y)h(x,y)√dxdy.

To find the surface area over the given triangle, we can use a double integral. The surface area can be obtained by integrating the square root of the sum of the squared partial derivatives of the function with respect to x and y.

In the given case, the function is z = y^2cos(7x), and we are integrating over the triangle with vertices (-1,1), (1,1), and (0,2). To set up the double integral, we need to determine the limits of integration for both x and y.

The limits of integration for x can be determined by the range of x-values that cover the triangle, which is from -1 to 1 for this case. The limits of integration for y can be determined by the range of y-values that cover the triangle, which is from 1 to 2.

The integrand function f(x,y) represents the square root of the sum of the squared partial derivatives of z with respect to x and y. In this case, f(x,y) = √(1 + (7y^2sin(7x))^2).

By setting up the iterated integral as ∫ba∫g(y)f(y)h(x,y)√dxdy, with the appropriate limits of integration and integrand function, we can compute the surface area of the function over the given triangle.

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Statistical analyses are least likely to be found in a (D) qualitative research.

Therefore, statistical analyses are least likely to be found in a (D) qualitative research.

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Answer: Hi You can look it up on goolgle if you cant find the answer here yoy can get answer faster with goolgle but ik you know what goolgle but yeah

Step-by-step explanation: I know this isnt the answer you were looking for ;(

Answer:

Positive 5.

Step-by-step explanation:

Opposite of negative 5 is positive 5.

The point will be on the positive side, which is above sea level. So it will be on 5 above the zero.

Answer:positive 5

Step-by-step explanation:

Here, we use the property of multiplication of exponential expression which states when we multiply two exponential expressions with the same base, we keep the base and add the exponents.

Therefore,

\(x^(3+5) = x^8\)

Now,

\(x^(3+5) = x^8\)

is of the form:

\(x^b = x^p\)

When we have two equal expressions on either side of the equation, the power of the base remains the same. Therefore,

p = 8

There we have it. The value of p is 8. The full solution is shown below:

\(x^3 × x^5 \\= x^px^8\\ = x^p\)

We can see that the base of the exponential expression on either side is equal.

Therefore, the power of the base must be equal as well. In other words

,p = 8.

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Answer:

no photo

Step-by-step explanation:

we need a photo to decide if answer is correct or not

The required probability values for the question posted are 0.343 and 0.657 respectively.

To solve these probability questions, we can use the binomial probability formula:

\(P(X = k) = (n C k) \times p^k \times ( {1 - p)}^{n - k} \)

where:

- n is the number of trials or selections,

- k is the number of successes,

- p is the probability of success.

Here,

n = 3

p = 0.30

(a) Probability that none of them experienced credit card fraud:

P(X = 0) = (3 C 0) * (0.30)⁰ * (1 - 0.30)³

= 1 * 1 * 0.7³

= 0.7³

≈ 0.343

The probability that none of the three US adults experienced credit card fraud is 0.343

(b) Probability that at least one experienced credit card fraud:

P(at least one) = 1 - P(none)

= 1 - 0.343

≈ 0.657

The probability that at least one US adults experienced credit card fraud is 0.657

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Answer:

x ≤ 20

Step-by-step explanation:

She is at most twenty years old.

    x ≤ 20

If she is x, and is at most 20 then she can be 20 or less.

She can be 20, 19, 18, 17,...

Answer:

C

Step-by-step explanation:

Hope this is right. Let me know if not! Have a nice day :)

Answer:

C

Step-by-step explanation:

i got it right

20 trials may not be enough to get a reliable estimate of the probability, especially if the true probability is close to 0.5.

Based on Zoe's results,

The probability that she will make it to the finals of the Royal Arena Chess Tournament is 96.2%.  

Here's how to solve the problem:  

Zoe must win at least 5 matches out of 8 to make it to the finals.  

There are different ways to solve the problem, but one way is to use the binomial probability formula:  

P(X = k) = (n choose k) * \(P^{k}\) * \(q^{n-k}\)

where:

P(X = k) is the probability of getting exactly k successes out of n trialsn is the number of trialsp is the probability of success in one trialq is the probability of failure in one trial is the probability of getting k successes q^(n-k) is the probability of getting n-k failures(n choose k) is the binomial coefficient, which represents the number of ways to choose k objects out of n distinct objects without regard to order (n choose k) = n! / (k! * (n-k)!)

The binomial probability formula is used to calculate the probability of getting a specific number of successes in a fixed number of independent trials, each with the same probability of success.

It is a discrete probability distribution that describes the probability of X successes in n trials.For this problem:P(X >= 5) = P(X = 5) + P(X = 6) + P(X = 7) + P(X = 8)where:P(X >= 5) is the probability of getting at least 5 successes out of 8 trialsP(X = 5) is the probability of getting exactly 5 successes out of 8 trialsP(X = 6) is the probability of getting exactly 6 successes out of 8 trialsP(X = 7) is the probability of getting exactly 7 successes out of 8 trialsP(X = 8) is the probability of getting exactly 8 successes out of 8 trials

T\(0.5^{5}\)he probabilities can be calculated using the binomial probability formula with n = 8 and p = 0.5  

Since Zoe estimates she has a 50% chance of winning each match

P(X = 5) = (8 choose 5) * \((0.5)^5\)* \((0.5)^{(8-5)\) = 56 * 0.03125 * \(0.5^3\)

= 0.21875P(X = 6)

= (8 choose 6) * \((0.5)^6\) * \((0.5)^{(8-6)\)

= 28 * 0.015625 * \(0.5^2\)

= 0.109375P(X = 7)

= (8 choose 7) * \((0.5)^7\) * \((0.5)^{(8-7)\)

= 8 * 0.0078125 *\(0.5^1\)

= 0.03125P(X = 8)

= (8 choose 8) * \((0.5)^8\) * \((0.5)^{(8-8)\)

= 1 * 0.00390625 * \(0.5^0\)

= 0.00390625P(X >= 5)

= 0.21875 + 0.109375 + 0.03125 + 0.00390625

= 0.36328125

Therefore, the probability that Zoe will make it to the finals of the Royal Arena Chess Tournament is approximately 36.3%.

However, Zoe simulates the situation by rolling a six-sided die 8 times.  

The simulation gives an estimate of the probability, which may be different from the exact probability calculated using the binomial probability formula.  

The simulation results may also depend on the sample size (i.e., the number of trials).  

In this case, 200 trials may not be enough to get a reliable estimate of the probability, especially if the true probability is close to 0.5.  

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Based on Zoe's 200 trials in the simulation the probability that she will make it to the finals means 22% chance.

The probability of her making it to the finals can be calculated by looking at the number of trials where she won at least 5 matches.

According to the table, she won 5, 6, 7, or 8 matches in 14, 21, 8, and 1 trials, respectively.
To find the probability,
1. Add up the number of trials where Zoe won at least 5 matches: 14 + 21 + 8 + 1 = 44 trials
2. Divide this sum by the total number of trials (200): 44/200

In the simulation,

Each even number represents a win for Zoe.

Therefore, we can calculate the probability of Zoe winning at least 5 matches by adding up the probabilities of getting 5, 6, 7, or 8 even numbers in 8 rolls of a six-sided die.

Using the table provided, we can see that there are 218 trials out of 200 where Zoe gets 5 or more even numbers. Therefore, the probability of Zoe winning at least 5 matches is:

218/200 = 1.09 or 109%

This means that based on the simulation, Zoe is more likely than not to make it to the finals.

However,

It is important to note that the simulation assumes that each match has a 50% chance of being won by Zoe, which may not be accurate in real life.

The actual probability of Zoe making it to the finals may be different from the simulation results.
So, based on Zoe's results, the probability that she will make it to the finals is 44/200 or 0.22, which means a 22% chance.

This is based on her simulation using a six-sided die, not her actual 50% chance of winning each match.

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grad(f) = (3x/(x²+y²+z²)) i + (3y/(x²+y²+z²)) j + (3z/(x²+y²+z² )) k This vector field has a magnitude that is inversely proportional to the distance from the origin.

A function's gradient vector field is a vector field that points in the direction of the function's maximum rate of change at every point in space. The following is a definition of the gradient vector field for a scalar function f(x, y, z):

grad(f) is equal to (f/x) i, (f/y) j, and (f/z) k, where i, j, and k are the unit vectors in the respective x, y, and z directions.

To find the inclination vector field of f(x, y, z) = 3√(x²+y²+z²), we want to take the halfway subordinates of f as for x, y, and z, and afterward structure the slope vector field utilizing the above condition.

The gradient vector field of f is, therefore, as follows: f/x = 3/2 * (2x)/(x²+y²+z²) = 3x/(x²+y²+z²); f/y = 3/2 * (2y)/(x²+y²+z²) = 3y/(x²+y²+z²); f/z = 3/2 * (2z)/(x²+y²+z²);

grad(f) = (3x/(x²+y²+z²)) i + (3y/(x²+y²+z²)) j + (3z/(x²+y²+z² )) k This vector field has a magnitude that is inversely proportional to the distance from the origin.

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There are 8,150 different ways to pick such a sequence from the set of positive integers between 1 and 50 inclusive.

To determine the number of ways to pick a sequence of 5 elements from the set of positive integers between 1 and 50 inclusive, with at least one consecutive sequence of 4 consecutive increasing elements, we can use combinatorics.

If the 4 consecutive increasing elements start at the first position: In this case, we have 47 choices for the starting element (ranging from 1 to 47). The remaining element can be any of the remaining 46 numbers (excluding the starting element and the next three consecutive elements). So, we have 47 * 46 = 2,162 possible sequences.

Therefore, the total number of ways to pick a sequence of 5 elements with at least one consecutive sequence of 4 consecutive increasing elements is: 2,162 + 2,070 + 1,980 + 1,892 + 46 = 8,150.

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Answer:

the answer is y = x-5

Hello:

Okay, this problem should be taken in a series of steps:

What is the slope's formula?

  \(\rm\hookrightarrow \frac{y_2-y_1}{x_2-x_1}\)

Okay, now let's use this knowledge  

10. (5,-19) and (-5,21)

       \(Slope = \frac{21--19}{-5-5} =\frac{40}{-10}=-4\)

11. (12,1) and (12, -1)

      \(Slope = \frac{-1-1}{12-12} =\frac{-2}{0}\)

12. (8,7) and (4,7)

     \(Slope = \frac{7-7}{4-7} =0\)

Answer:

Hopefully that helps!

Answer:

Look Below

Step-by-step explanation:

The formula for a circle is πr².

Therefore, we can divide the area of the circle by 3.14, and then square root it. 490.63/3.14=156.25... If you square root that, you get 12.5. Same thing with the other circle. 219.45/3.14=69.888... If you square root that, you get 8.36. Now that we have the radius, we can multiply that by two to find the diameter. And we're done.

Feel free to tell me if I did anything wrong! :)

Answer:

The second Image

Step-by-step explanation:

The marginal average cost function is found by taking the derivative of the cost function with respect to quantity and dividing it by the quantity. In this case, the marginal average cost function is C'(x) = 3.3.

To find the marginal average cost function, we need to differentiate the cost function C(x) with respect to x and then divide it by x. The cost function is given as C(x) = 148 + 3.3x. Taking the derivative of C(x) with respect to x, we get C'(x) = 3.3.

The derivative of the constant term 148 is 0, and the derivative of 3.3x with respect to x is simply 3.3. Dividing C'(x) by x, we obtain the marginal average cost function C'(x) = 3.3/x.

The marginal average cost represents the additional cost incurred by producing one more unit of output. In this case, the marginal average cost is constant and equal to 3.3. This means that regardless of the quantity produced, the average cost per unit remains constant at 3.3.

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The amount he would pay to purchase a laptop today that is the same value as the one he saw in the ad is $390.

Cost price: Cost prize is the price at which the goods and services were purchased.

It is given that,

projected price: $400.00, and the laptop will be out on the market in about one year with 2.5% inflation.

Now, if he pays today for a laptop of the same value as the one in the advertisement, his cost will be 2.5% of $400 less, or as follows:

cost price of laptop = $400 - 2.5& x 400

cost price of laptop = 97.5% x $400

cost price of laptop = $390

As a result, the laptop that he needs right now will cost $390.

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The inequality to show the weight limit for the elevator is w < 1,800.

Inequalities are created through the connection of two expressions. It should be noted that the expressions in an inequality aren't always equal.

Inequalities implies that the expressions are not equal. They are denoted by the symbols ≥ < > ≤.

In this situation, the sign clearly stated that the total weight in the elevator must be less than 1,800 pounds.

The inequality will be:

w < 1800 where w is the weight.

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Answer:

1/2

Step-by-step explanation:

Slope is rise/run, so:

how far up you go/ how far right you go

If you start at (0, 5), What do you have to do to get to the next point?

You go up one unit, then right 2.

1/2.

The slope is 1/2

Answer:

1/2 the other person is right

Answer:

75.99%

Step-by-step explanation:

To calculate this, we can use complements. We can find, instead the probability that at least one will donate, the probability that not none of them will donate.

First, we can find the probability that none will donate, which will be (70%)^4, since the chance each will not donate is the same. From this we get 24.01%.

To find the probability that at least one donates, we do the complement:

100%-24.01%=75.99%