y[n] = x[2n] determine if the system is: linear, ti, causal, stable

Answer:

the ten is the year and the middle number is the day and the 1st number is the   month

Step-by-step explanation:I'm in the 9th grade so we have to do this many times TwT

Answer:

i don't know

Step-by-step explanation:

Answer:

that it's a parabola with the equation

\( {(x - 3)}^{2} + 12\)

Answer:

X=3

Step-by-step explanation:

8 is the missing number that we need to make the statement true. Hence, the answer is (-5 + 8) x 8 = 24.

The given numbers are -5, 8 and 2 and the expression is (__+__)x___=24. The first step is to determine what operation must go inside the parentheses.

As (__+__) is multiplied by a number, it follows that the addition goes inside the parentheses.

Using the numbers -5, 8, and 2, the statement is true if we say that (-5+8)x(-5)=24.

Here's the detailed solution:

The given expression is (__+__) x ___ = 24.

We are given the numbers -5, 8, and 2 and we need to find the missing numbers to make the statement true.

Let's put -5, 8, and 2 in the expression:

First, we'll place the addition within parentheses: (-5 + 8)

Then, the expression becomes: (-5 + 8) x ___ = 24

This can be simplified to:

3 x ___ = 24

We need to find the value of the blank space in the expression above. Since 3 is multiplied by the unknown number, we can calculate the value of the blank as follows: 3 x 8 = 24

Therefore, 8 is the missing number that we need to make the statement true. Hence, the answer is (-5 + 8) x 8 = 24.

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Answer:

A congruence transformation is a transformation that doesn't change the size or shape of an object. There are three main types of congruence transformations, and those are reflections (flips), rotations (turns), and translations (slides).

Step-by-step explanation:

i hope that helps

Answer:

The answer is 4 cm

Step-by-step explanation:

As we can see, the original triangle has a side length of 5 cm and 10 cm. Therefore, we can assume this ratio of 1:2 stays the same with the smaller triangle, making the answer 4 cm.

a) To maximize its net savings, the company should use the new machine for 7 years.  b) The net savings during the first year of use of the machine are $405 (rounded off to the nearest dollar).  c) The net savings over the period determined in part a are $1,833.33 (rounded off to the nearest cent).

Step-by-step explanation: a) To determine for how many years should the company use the new machine to maximize its net savings, we need to find the value of x that maximizes the difference between the savings and the costs.To do this, we need to first calculate the net savings, N(x), which is given by:S'(x) - C'(x) = 175 - x² - (x² + 11x) = -2x² - 11x + 175To find the maximum value of N(x), we need to find the critical values, which are the values of x that make N'(x) = 0:N'(x) = -4x - 11 = 0 ⇒ x = -11/4The critical value x = -11/4 is not a valid solution because x represents the number of years of operation of the machine, which cannot be negative. (i.e., not use it at all).However, this answer does not make sense because the company would not introduce a new machine that it does not intend to use. Therefore, we need to examine the concavity of N(x) to see if there is a local maximum in the feasible interval.

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The standard deviation of the difference \( y \) is approximately 0.583.

The mean and standard deviation of the difference, denoted as \( y \), between the ball diameters produced by the two machines can be determined based on the given information that the diameters are independently and normally distributed by \( N(8, 0.17) \).

The mean of the difference can be calculated as the difference between the means of the individual distributions:

\(\[\text{Mean of } y = \text{Mean of machine 1} - \text{Mean of machine 2}\]\)

Since both machines have the same mean of 8 (given by \( N(8, 0.17) \)), the mean of \( y \) is:

\(\[\text{Mean of } y = 8 - 8 = 0\]\)

Therefore, the mean of the difference \( y \) is 0.

To calculate the standard deviation of the difference, we can use the property that the variance of the sum or difference of independent random variables is equal to the sum of their variances.

The variance of the difference can be calculated as:

\(\[\text{Variance of } y = \text{Variance of machine 1} + \text{Variance of machine 2}\]\)

Since the variance is equal to the square of the standard deviation, we can find the standard deviation of \( y \) by taking the square root of the variance.

Given that the variance of each machine is 0.17 (given by \( N(8, 0.17) \)), the variance of \( y \) is:

\(\[\text{Variance of } y = 0.17 + 0.17 = 0.34\]\)

Taking the square root of the variance, we obtain:

\(\[\text{Standard deviation of } y = \sqrt{0.34} \approx 0.583\]\)

Therefore, the standard deviation of the difference \( y \) is approximately 0.583.

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Answer:

-25 and 2

Step-by-step explanation:

Answer:

-2 and 25

Step-by-step explanation:

-2*25=-50

25+(-2)=23

Answer:2 4  −  1 8

Step-by-step explanation:

Answer:

10 and 42

Step-by-step explanation:

The difficulty with word problems is translating them into math.

Let's do that

---------------------

The sum of a number and two times a smaller number is 62.

let's call the bigger number b, and the smaller number s

b + 2s = 62

Three times the bigger number exceeds the smaller number by 116

3b = s + 116

-----------------------

Now manipulate one of the equations to isolate the variable

3b = s + 116

Subtract 116 from both sides

3b - 116 = s

substitute for s = 3b - 116 in

b + 2s = 62

b + 2(3b - 116) = 62

Distribute

b + 6b - 232 = 62

combine like terms

7b = 294

Divide both sides by 7

b = 42

to find s plug in b = 42 into

b + 2s = 62

42 + 2s = 62

subtract 42 from both side

2s = 20

divide both sides by 2

s = 10

Answer:

y = 3/5x + 5

Step-by-step explanation:

Slope-intercept form is y = mx + b where m is the slope (rise / run of the line) and b is y-intercept (y value of where the line intersects with the y-axis.

The line is rising up 3 and run to the right 5 and so it's slope is 3/5. The line intersects with the y-axis at a y value of 5 and so it's y-intercept is 5.

Therefore, your answer in slope-intercept form is y = 3/5x + 5.

\(distance = \sqrt{(5 - 1) {}^{2} + (4 - 4) {}^{2} } \\ = \sqrt{4 {}^{2} } \\ = 4 \: units\)

Central tendency, is the term that relates to the way data tend to cluster around some middle or central value.

Measures of central tendency are summary statistics that represent the center point or typical value of a dataset. Examples of these measures include the mean, median, and mode. These statistics indicate where most values in a distribution. Mode in statistics is the number of times a number is repeated. The number which is repeated maximum times in a series of data is known as the modular number. The mode is used to compare data that has extreme figures. Central tendency simply means most scores in a normally distributed set of data tend to cluster near the center of a distribution.

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If Olive Construction Company won the job, there is a 0.4615 (or 46.15%) probability that Base Construction Company would not have submitted a proposal.

Probability is a branch of mathematics that deals with numerical representations of the likelihood of an event occurring or of a proposition being true.

The probability of an event is a number between 0 and 1, with 0 approximately denoting impossibility and 1 denoting certainty.

So, the probability that the base construction company did not bid:

\(\begin{aligned}& P(A \mid B)=\frac{P(B \mid A) P(A)}{P(B \mid A) P(A)+P\left(B \mid A^{\prime}\right) P\left(A^{\prime}\right)} \\& P\left(B^{\prime} \mid O\right)=\frac{P\left(O \mid B^{\prime}\right) P\left(B^{\prime}\right)}{P\left(O \mid B^{\prime}\right) P\left(B^{\prime}\right)+P(O \mid B) P(B)} \\& P\left(B^{\prime} \mid O\right)=\frac{(0.5)(0.3)}{(0.5)(0.3)+(0.25)(0.7)} \\& P\left(B^{\prime} \mid O\right)=\frac{0.15}{0.15+0.175} \\& P\left(B^{\prime} \mid O\right)=0.4615\end{aligned}\)

Therefore, if Olive Construction Company won the job, there is a 0.4615 (or 46.15%) probability that Base Construction Company would not have submitted a proposal.

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Answer:

To make him feel a little better

Step-by-step explanation:

:)

Answer:

The right option is option e.T-shaped.

Step-by-step explanation:

The molecular geometry or shape of clf3 is T-shaped. It acquires such shape because of presence of two lone pairs which take equatorial position and there are greater repulsions. The hybridisation is sp3d and it has 2 lone pairs

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Option e) T-shaped

The shape or molecular geometry  of ClF₃ is T-shaped. It acquires such a shape due to the presence of two lone pairs in the equatorial position and has greater repulsion. The hybrid is sp³d and it has 2 lone pairs.

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Answer:

c = 6√2

Step-by-step explanation:

The following data were obtained from the question:

Angle θ = 30°

Opposite = 3√2

Hypothenus = c

The value of 'c' can be obtained by using the sine ratio as shown below:

Sine θ = Opposite /Hypothenus

Sine 30° = 3√2/c

Cross multiply

c × sine 30° = 3√2

Divide both side by sine 30°

c = 3√2 / sine 30°

But: sine 30° = 1/2

c = 3√2 / sine 30°

c = 3√2 ÷ 1/2

c = 3√2 × 2

c = 6√2 yard

Therefore, the value of 'c' is 6√2 yard.

Multicollinearity refers to a situation in multiple regression where the independent variables, or predictors, in a statistical model are correlated with each other. Option B multicollinearity is correct.

Multicollinearity can result in several problems, including:

It is important to identify and address multicollinearity in a multiple regression model to ensure accurate and reliable interpretation of the results. This can be done through techniques such as variance inflation factor (VIF) analysis, principal component analysis (PCA), or using a subset of predictors with low intercorrelation.

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The term used to describe the case when the independent variables in a multiple regression model are correlated is

b. multicollinearity  is correct.

Multiple regression is a typical method in statistical modelling for determining the association between a dependent variable and two or more independent variables.

The fundamental tenet of multiple regression is that there is no correlation between the independent variables. Multicollinearity is the outcome when this assumption is broken, which can happen in real life.

When two or more independent variables in a multiple regression model have a high correlation with one another, multicollinearity arises.

Due to these issues, the model's coefficients may not be correctly interpreted, producing estimates that are inaccurate and unstable.

It is challenging to separate the distinct impacts of each independent variable on the dependent variable when multicollinearity is present because these effects are entangled and difficult to separate.

b. multicollinearity is correct option.

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Answer:

Each piece will be 5 inches long and the total number of pieces will be 22

Step-by-step explanation:

For all the pieces to be of the same length, it means the chosen length must be a number which is a factor of both 45 and 65

The number which is the same factor as both asides 1 will be 5

So he intends having the length of each of the pieces to be 5 inches each

In the 45 inches, the number of pieces he will get will be 45/5 = 9 pieces

In the 65 inches, the number of pieces he will get will be 65/5 = 13 pieces

The number of total pieces will be 13 + 9 = 22 pieces

The image quality is significantly superior to what it was on previous scanners, but the number of patients served per day remains the same. this situation attests to the fact that the service sector has seen improvement in quality of service, but productivity remains about the same.

Improvement in quality of service:

Putting the customer first, balancing efficiency and customer satisfaction (experience), and focusing on employee engagement are three key strategies for improving contact center service quality.

Productivity:

Productivity is the efficiency with which goods and services are produced and is represented by a scale. A measure of productivity is often expressed as a ratio of total output to a single input or total input in a production process. Typically the output per unit of input over a period of time. The most common example is a measure of (aggregate) labor productivity, an example of which is GDP per worker. There are various definitions of productivity (including those not defined by the ratio of outputs to inputs), and the choice depends on the purpose of measuring productivity and the availability of data gain. The main reason for differences in different measures of productivity usually has to do with how outputs and inputs are aggregated (directly or indirectly) to obtain such relative measures of productivity doing conduct.

Importance of Productivity:

Productivity gains are defined as the process of getting more out of every hour of work. Improving productivity can take many forms, including: Capital, Investments in equipment, software, infrastructure, machinery, etc. equate to labor. Productivity is important for individuals (workers and consumers), business leaders, and analysts(such as policy makers and government statisticians).

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The total number of seeds that Josiah would plant would be = nR×S

To determine the total number of seeds that Josiah will plant will be to add the seeds in the total number of rooms he planted.

Let each row be represented as = nR

Where n represents the number of rows planted by him.

Let the seed be represented as = S

The total number of seeds he planted = nR×S

Therefore, the total number of seeds that was planted Josiah would be = nR×S.

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Answer: the answer is linear inequalities

Step-by-step explanation:

plz mark brainliest

9514 1404 393

Answer:

  $105

Step-by-step explanation:

The thicker wall takes 345 -205 = 140 more blocks. Each of those costs $0.75, so the added blocks will cost ...

  140 × $0.75 = $105

The thicker wall will cost $105 more.

The magnitude of the number of the minutes in the school is 2.

Although the order of magnitude of zero is not specified, it is occasionally stated to have a magnitude of. Zero is less than any other positive number, and so is its order of magnitude, according to this infinitely negative order of magnitude.

There can be no negative magnitude. The component of the vector that lacks direction is its length (positive or negative).

The order of magnitude is the approximate representation of the logarithmic of the order's value and is typically considered to be 10 taken as the base.

On a scale of 10 logarithmic, the difference in the order of magnitude can be quantified.

The value storage is where you may find the number into the various magnetic.

As a result, the number of minutes spent in school is 2.

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Complete question -

What is the Order of Magnitude of the number of minutes in a school day?

The surface represented by the vector equation r(s, t) = s sin(7t), \(s^2\), s cos(7t) is a twisted surface that extends uniformly in the s-direction while exhibiting sinusoidal variations in the s-direction with a phase shift of π/2.

The given vector equation is r(s, t) = s sin(7t), \(s^2\), s cos(7t).

By analyzing the components of the vector equation, we can identify the surface represented by it.

The first component, s sin(7t), indicates that the surface varies in the s and t directions as s sin(7t).

This component suggests a sinusoidal variation in the s-direction with respect to the parameter t.

The second component, \(s^2\), is independent of t and remains constant.

This suggests that the surface extends uniformly in the s-direction and does not vary with t.

The third component, s cos(7t), indicates that the surface varies in the s and t directions as s cos(7t). This component suggests a sinusoidal variation in the s-direction with respect to the parameter t, but with a phase shift of π/2 compared to the first component.

Putting these components together, we can conclude that the surface represented by the vector equation r(s, t) = s sin(7t), \(s^2\), s cos(7t) is a twisted surface that extends uniformly in the s-direction while exhibiting sinusoidal variations in the s-direction with a phase shift of π/2 between the first and third components.

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Solving:

4x+5=3(x+2)-4

4x + 5 = 3x + 6 - 4

4x + 5 = 3x + 2

collect like terms, we have:

4x - 3x = 2 - 5

x = -3