during boarding and deplaning of originating and terminating flights, the faa requires how many flight attendants be on board the aircraft?

Based on the information provided regarding same as cash loans, Chelsea won't be charged interest for the first 6 months of the loan, nor will she have to make payments for the first 6 months. (Option D)

A Same-As-Cash Loan refers to a short-term lending solution in which no interest or monthly payment are required to be paid during a set “Same-As-Cash” period. At the end of a predetermined period, the loan is paid off. Hence, the customer owes no interest or monthly payments during a set promotional period and pays the same amount on the loan as they would have paid up front with cash. These are interest deferred loans in which the loans interest still accrues during that promotional period, however if the customer pays off the entire principal balance before the period ends, they are not required to pay that interest. The advantage of these loans is that customers may spend the same amount they would have if they had paid with cash up front. Hence, if Chelsea opts for loan that offered 6 months, same as cash, there would be no requirement of payment or interest charged for the 6 months.

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Answer: Solution: (4,-3)

Complete the sentences to explain what steps were followed to obtain the system of equations below.

System B

1- y = 7

by = -18

To get system B, the

equation in system A was replaced by the sum of that equation and

equation. The solution to system B

the same as the solution to system A.

times the

Step-by-step explanation:

The hypothesis in a hypothesis test is an alternative hypothesis a statement about a parameter.

An alternative hypothesis in a hypothesis test is a statement about a parameter, not a statistic. The null hypothesis is typically a statement about a parameter that assumes there is no significant difference or relationship, while the alternative hypothesis is a statement that contradicts the null hypothesis and suggests there is a significant difference or relationship.

The alternative hypothesis can take one of three forms: it can be a one-tailed hypothesis (either greater than or less than the null hypothesis), or a two-tailed hypothesis (not equal to the null hypothesis). In all cases, the alternative hypothesis is a statement about the population parameter, which is typically denoted by a Greek letter such as μ (mean) or σ (standard deviation).

Therefore, the alternative hypothesis is a statement about the parameter being tested.

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Gwendolyn is deemed physically present in the United States for 93 days in 2023 under the substantial presence test formula.

The substantial presence test is used by the United States Internal Revenue Service (IRS) to determine if a person qualifies as a resident for tax purposes based on their physical presence in the United States.

The formula for calculating the substantial presence test is as follows:

(Number of days present in the current year) + (1/3 of the number of days present in the first preceding year) + (1/6 of the number of days present in the second preceding year)

Using this formula, we can calculate Gwendolyn's total days of physical presence in the United States for the three years:

2021: 48 days

2022: 189 days

2023: 93 days

Plugging in the values into the formula:

93 + (1/3 * 189) + (1/6 * 48) = 93 + 63 + 8 = 164

Since the result is less than 183 days, Gwendolyn is not considered a resident for tax purposes in 2023. However, her presence in the United States will still be taken into account for determining her tax obligations.

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The soccer ball reaches a maximum height of approximately 34.8 feet.

The parametric equations for the motion of the soccer ball are:

x(t) = 39*cos(44°)t ≈ 26.9t

y(t) = \(39\sin(44)*t - 16t^2\) ≈ \(22.7t - 16t^2\)

where t is the time elapsed since the ball was kicked.

To find the maximum height of the ball, we need to find the vertex of the parabolic trajectory given by y(t).

The maximum height occurs at the vertex, which is at the time t = -b/2a, where a = -16 and b = 39*sin(44°).

So, t = -b/2a ≈ 1.1 seconds.

Substituting this value of t into the equation for y(t), we get the maximum height:

y(max) = \(39*\sin(44)1.1 - 16(1.1)^2 = 34.8 feet.\)

Therefore, the soccer ball reaches a maximum height of approximately 34.8 feet.

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Answer:

Large number=12

Smaller number=6

Step-by-step explanation:

Let the two numbers be x and y

x+y=18

x-y=6

Answer:

\( - 8 \times |2 = - 16| \)

Answer:

182x + 16

General Formulas and Concepts:

Pre-Algebra

Algebra I

Step-by-step explanation:

Step 1: Define

2(x - 4) + 4(45x + 6)

Step 2: Simplify

Answer:

Step-by-step explanation:

here you go mate

step 1

2(x-4)+4(45x+6)   equation

step2

2(x-4)+4(45x+6)  distribute

(2)(x)+(2)(-4)+(4)(45x)+(4)(6)

2x+(-8)+180x+24

step 3

2x+-8+180x+24  combine the like terms

(2x+180x)+(-8+24)

182x+16

Answer:

9ft

Step-by-step explanation:

You multiply 6 and 3 then you divided by 2

Hope it helps

The dollar gains depreciated relative to the pound when the price of pounds in dollars increases, for instance, from $1 = 1 pound to $2 = 1 pound.

Devaluation of a currency can take place in both absolute and relative terms. When the value of one currency declines in relation to the values of other currencies, this is referred to as a relative devaluation. For instance, the British pound sterling may be worth more today than it did yesterday in terms of US dollars.

A currency's value declines when compared to other currencies, which is known as currency depreciation. Political unrest, interest rate differences, weak economic fundamentals, and investor risk aversion are a few examples of the causes of currency devaluation.

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Y = 3(-3) + 4 = -5 when x is equal to 3. Hence, the final set of negative x- and y-coordinates is (-3, -5).

A set of numbers known as coordinates describes a point or object's location in a given space or coordinate system. When representing a spot's location in a plane or three-dimensional space, coordinates are frequently expressed as x or triples in mathematics. Depending also on system being utilised, several values can be used to represent coordinates, although often, integers or real numbers are used to express them.

given

We can substitute negative values for x and solve for y to obtain three pairs of negative x and y coordinates that lie on the line y = 3x + 4.

With x = 1, y = 3(-1), plus 4, equals 1. Hence, one set of negative x and y coordinates is (-1, 1).

Y = 3(-2) + 4 = -2 when x is equal to 2. In light of this, another set of negative x- and y-coordinates is (-2, -2).

Y = 3(-3) + 4 = -5 when x is equal to 3. Hence, the final set of negative x- and y-coordinates is (-3, -5).

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Answer:

x + y = -13

Step-by-step explanation:

The equation of a line is y=mx+c

Line x+3y-9=0

Let's rearrange.

3y= -x+9

Divide both sides by 3.

3y/3 = -x/3 +9/3

y= -x/3 + 3

The gradient is the coefficient of x which is -1/3.

Therefore, m1 = -1/3

Where m1 is the gradient of the first line.

When two lines are parallel, their gradients are equal.

Therefore m1=m2

Where m2 is the gradient of the second line.

Therefore m2=-1/3

Now, we need to find c.

(2,-5)

Here, x=2, y=-5

y=mx+c

-5 = -1/3(2) + c

-5 = -2/3 + c

-5 + 2/3 = c

This can also be written as...

c = -5 +2/3

The LCM is 3.

The addition will give -13/3.

Now, let's create the equation We have m2 and c.

y = mx + c

y = -1/3(x) + (-13/3)

Take note of the signs, (+), and (-).

y = -x/3 - 13/3

Multiply both sides by 3 to remove the denominators.

(3)y = (3)-x/3 - (3)13/3

y = -x - 13

Or

x + y = -13

I hope you understand. Please give brainliest, thank, and rate 5 stars. thanks.

Answer:

30 min

Step-by-step explanation:

1 butcher can prepare 1 cows in 2 hours

2 can prepare twice as fast 2/2=1 hour

4 can prepare 4 times as fast 2 hours/4=30 min

Check work

30 min*4=120 min=2 hours

Therefore, the probability that the mean of a sample of 55 families will be between 17 and 18 pounds is approximately 0.9251.

To apply the central limit theorem, we need to check if the sample size is sufficiently large. According to the theorem, if the sample size is greater than or equal to 30, the distribution of sample means will be approximately normal, regardless of the shape of the population distribution.

In this case, the sample size is 55, which is greater than 30, so we can assume that the distribution of sample means will be approximately normal.

Now, we can find the z-scores for the given values of the sample mean:

z1 = (17 - 17.2) / (2.5 / sqrt(55)) = -1.87

z2 = (18 - 17.2) / (2.5 / sqrt(55)) = 1.87

Using a standard normal distribution table or calculator, we can find that the probability of a z-score being between -1.87 and 1.87 is approximately 0.9251.

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Answer: 0 < x <= 3000

Step-by-step explanation:

0 < x <= 3000

(the cost can't be negative so it has to be greater than 0, it cannot be equal to 0 since 0 is an asymptote of the graph)

(the cost is less than 3000 because the graph decreases from the (0, 3000) so the graph cannot be above that point)

The sum of Peter, Richard, and John's ages is 191.

We know that the ratio of Peter's age to Richard's age is = 5/8 --(i)

The ratio of John's age to Peter's age is = 7/12 --(ii)

Similarly, the ratio of John's age to Richard's age is = (5*7)/(8*12)= 35/96 -(iii)

Using the value of (i),(ii),(iii), we get -

Age of Peter = (5*12)/(8*12) = 60/96

= 60 years of age

Age of John = (7*5)/(12*5) = 35/60

=35 years of age

From the value of (iii), since no one is over 100 years of age, the age of Richard= 96 years of age

Hence the sum of their ages is = 96+35+60

= 191

Therefore, we know that the sum of their ages is 191.

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Answer:

F can be at 19 or -5

Step-by-step explanation:

If F is on positive number line, F-E=12

F=12+7=19

If F is on negative number line, E-F=12

-F=12-7=5, F=-5

We simplified the integrand and used a u-substitution to rewrite the integral with new limits of integration. We then used a trigonometric substitution and a trigonometric identity to evaluate the integral= 2.148.

a) Long division will not be used for this integration since the degree of the numerator, which is a constant (3), is less than the degree of the denominator, which is a quadratic expression. Long division is used when the degree of the numerator is equal to or greater than the degree of the denominator.

b) To simplify the integrand, we can first complete the square of the quadratic expression in the denominator. The quadratic expression can be rewritten as -(x-4)^2+31, which allows us to rewrite the integrand as 3/(sqrt(31-(x-4)^2)). We can then make the substitution u = x-4, which results in a new integral of 3/(sqrt(31-u^2)) du with limits of integration from 0 to 0.5.

c) To evaluate the integral, we can use a trigonometric substitution, letting u = sqrt(31) sin(t), which results in a new integral of 3/(sqrt(31)cos(t))dt with limits of integration from 0 to arcsin(0.5/sqrt(31)). We can then use the identity sec(t) = sqrt(1+tan^2(t)) to simplify the integrand and evaluate the integral. The final answer is approximately 2.148.

In summary, we determined that long division is not necessary for this integration. We simplified the integrand and used a u-substitution to rewrite the integral with new limits of integration. We then used a trigonometric substitution and a trigonometric identity to evaluate the integral, giving a final answer of approximately 2.148.

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A basis for the space of 2x2 lower triangular matrices is \(\left(\left[\begin{array}{ccc}1&0\\0&0\end{array}\right],\left[\begin{array}{ccc}0&0\\1&0\end{array}\right],\left[\begin{array}{ccc}0&0\\0&1\end{array}\right]\right)\).

Lower triangular matrices resemble the following:

\(\left[\begin{array}{ccc}a&0\\b&c\end{array}\right]\)

We can write it like this:

\(a\left[\begin{array}{ccc}1&0\\0&0\end{array}\right]+b\left[\begin{array}{ccc}0&0\\1&0\end{array}\right]+c\left[\begin{array}{ccc}0&0\\0&1\end{array}\right]\)

This demonstrates the set's

\(\left(\left[\begin{array}{ccc}1&0\\0&0\end{array}\right],\left[\begin{array}{ccc}0&0\\1&0\end{array}\right],\left[\begin{array}{ccc}0&0\\0&1\end{array}\right]\right)\)

covers the set of lower triangular matrices with dimensions 2x2. Moreover, these are linearly independent, so attempting to

\(a\left[\begin{array}{ccc}1&0\\0&0\end{array}\right]+b\left[\begin{array}{ccc}0&0\\1&0\end{array}\right]+c\left[\begin{array}{ccc}0&0\\0&1\end{array}\right]=\left[\begin{array}{ccc}0&0\\0&0\end{array}\right]\)

leads to

\(\left[\begin{array}{ccc}a&0\\b&c\end{array}\right] =\left[\begin{array}{ccc}0&0\\0&0\end{array}\right]\)

which results in a = b = c = 0 right away. As there is no other way to

\(a\left[\begin{array}{ccc}1&0\\0&0\end{array}\right]+b\left[\begin{array}{ccc}0&0\\1&0\end{array}\right]+c\left[\begin{array}{ccc}0&0\\0&1\end{array}\right]=\left[\begin{array}{ccc}0&0\\0&0\end{array}\right]\)

, these matrices are linearly independent if a = b = c = 0.

Since

\(\left(\left[\begin{array}{ccc}1&0\\0&0\end{array}\right],\left[\begin{array}{ccc}0&0\\1&0\end{array}\right],\left[\begin{array}{ccc}0&0\\0&1\end{array}\right]\right)\)

they serve as a foundation by spanning the collection of 2x2 lower triangular matrices and being linearly independent.

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Answer:

334.65

Step-by-step explanation:

97% of 345 = 334.65

There are 20,000 different phone numbers possible that is 7-digits long and start with either 824 or 825.

Fundamental Principle of Counting, also called the counting rule, is the method to count how many ways multiple independent events can occur.

Based on the given information, all phone numbers are 7-digits long and starts with either 824 or 825. Hence, the four last digits will be the combination of numbers from 0 to 9.

Thus, by Fundamental Principle of Counting, the number of possible outcomes is 20,000.

= (number of phone numbers starting with 824) + (number of phone numbers starting with 825)

= (10 x 10 x 10 x 10) + (10 x 10 x 10 x 10)

= 20,000

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Answer:

y-intercept=15 b/c it is the b value in y=mx+b or you can plug in 0 for x, and get 15 also

x-intercept=3 b/c when y is 0, x is 3

slope= -5 b/c it is the value of m in y=mx+b

Answer:

The answer is 32

Step-by-step explanation:

Answer:

just an explanation so all in steps

Step-by-step explanation:

The standard deduction amount for taxpayers over 65 years old in 2016 varied depending on their filing status. Here are the standard deduction amounts for 2016:

For Single filers (and Married Filing Separately):

Under 65 years old: $6,300

Over 65 years old: $7,850

For Married Filing Jointly:

Both spouses under 65 years old: $12,600

One spouse over 65 years old: $13,850

Both spouses over 65 years old: $15,100

For Head of Household:

Under 65 years old: $9,300

Over 65 years old: $10,850

These figures are for the standard deduction only and do not include any additional deductions or credits that may apply. It's important to note that tax laws may change, so it's always recommended to consult the official IRS resources or a tax professional for the most up-to-date and accurate information.

we find that the numerical approximation using Euler's method gives y(2) ≈ 1.865, while the analytical solution gives y(2) = 2.5.

Using the formula y(n+1) = y(n) + Δx * f(x(n), y(n)), where f(x, y) = x² √y, we can calculate the values of y at each step. Here's the step-by-step calculation:

Step 1: For x = 0, y = 1 (initial condition).

Step 2: For x = 0.2, y = 1 + 0.2 * (0.2)² * √1 = 1.008.

Step 3: For x = 0.4, y = 1.008 + 0.2 * (0.4)² * √1.008 = 1.024.

Step 4: For x = 0.6, y = 1.024 + 0.2 * (0.6)² * √1.024 = 1.052.

Step 5: For x = 0.8, y = 1.052 + 0.2 * (0.8)² * √1.052 = 1.094.

Step 6: For x = 1.0, y = 1.094 + 0.2 * (1.0)² * √1.094 = 1.155.

Step 7: For x = 1.2, y = 1.155 + 0.2 * (1.2)² * √1.155 = 1.238.

Step 8: For x = 1.4, y = 1.238 + 0.2 * (1.4)² * √1.238 = 1.346.

Step 9: For x = 1.6, y = 1.346 + 0.2 * (1.6)² * √1.346 = 1.483.

Step 10: For x = 1.8, y = 1.483 + 0.2 * (1.8)² * √1.483 = 1.654.

Step 11: For x = 2.0, y = 1.654 + 0.2 * (2.0)² * √1.654 = 1.865.

Therefore, using Euler's method with a step size of Δx = 0.2, we approximate y(2) to be 1.865.

To obtain the analytical solution to the ODE, we can separate variables and integrate both sides:

∫(1/√y) dy = ∫x² dx

Integrating both sides gives:

2√y = (1/3)x³ + C

Solving for y:

y = (1/4)(x³ + C)²

Using the initial condition y(0) = 1, we can substitute x = 0 and y = 1 to find the value of C:

1 = (1/4)(0³ + C)²

1 = (1/4)C²

4 = C²

C = ±2

Since C can be either 2 or -2, the general solution to the ODE is:

y = (1/4)(x³ + 2)² or y = (1/4)(x³ - 2)²

Now, let's evaluate y(2) using the analytical solution:

y(2) = (1/4)(2³ + 2)² = (1/4)(8 + 2)² = (1/4)(10)² = 2.5

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It shows that the values of the mileages are close to 24 mpg. Hence statistics refes 24 as the mean.

Mean is one of the measure of dispersion and is the avearage of a set of data.

According to the question, the magazine reports that the most common gas mileage was 24 mpg. This shows that reports have published several gas mileages for cars and truck and the average of this mileage is 24mpg

It shows that the values of the mileages are close to 24 mpg. Hence statistics refes 24 as the mean.

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The design of the experiment is such that the knowledge of the type of

ball being hit does nit influence the outcome of the experiment.

Reasons:

The aim of the experiment is to determine if the new type of ball travels farther than the company's previous golf ball.

The design of the experiment is as follows;

Number of the previous golf ball in the experiment = 40

Number of the new type of golf ball used in the experiment = 40

The order in which the ball are selected from the bag = Randomly

The subject of the experiment = A golf pro

The sample size of each sample is larger than 30, and therefore, the

distribution can be taken as approximately normal.

The principle of comparison has been addressed in the experiment

because the golf pro that is subject to the treatment will react more

accurately to the change in the variable, given that, the previous golf ball

serves as a placebo in the study and after all the balls are hit, the distance

travelled by each set can be determined.

The correct option is therefore;

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Answer:

(x, y) = (-1, 1)

Step-by-step explanation:

\(y = 2x +3 ----(1) \\\\y = x + 2 ----(2)\\\\substitute \ (2) \ in \ (1) : x + 2 = 2x + 3\)

\(x - 2x = 3 - 2\\\\-x = 1\\\\x = -1\\\\Substitute \ x = -1 \ in \ (2) : y = -1 + 2 => y = 1\)

Answer:

7850

Step-by-step explanation:

Net worth: Assets-debt

The assets are:

car

investments

The debts:

credit cards

so we have

(3700+5400)-1250= 7850