Let X be a standard normal random variable. Another random variable is determined as follows. We flip a fair coin (independent from X). In case of Heads, we let Y=X. In case of Tails, we let Y=−X.
Is Y normal? Justify your answer.
yes
no
not enough information to determine
Compute Cov(X,Y).
Cov(X,Y)=
Are X and Y independent?
yes
no
not enough information to determine
Problem 3. Problem 1(c)
Find P(X+Y≤0).
P(X+Y≤0)=

Answers

Answer 1

Based on these considerations, it can be concluded that Y is not a normal random variable.

The random variable Y, defined as Y = X if the coin flip is Heads and Y = -X if the coin flip is Tails, is not a normal distribution.

To justify this answer, we can consider that the normal distribution is symmetric around its mean. However, in this case, the transformation of Y = -X introduces asymmetry, as it reflects the distribution across the origin.

Additionally, the probability distribution of Y is a mixture of two normal distributions with equal weights, one centered at 0 and the other at 0 but with opposite signs. This combination results in a distribution that is not normal.

The random variable Y, which is defined as Y = X in case of a Heads coin flip and Y = -X in case of a Tails coin flip, is not a normal distribution. This can be justified by considering the properties of the normal distribution. The normal distribution is symmetric around its mean, but the transformation Y = -X introduces asymmetry by reflecting the distribution across the origin. As a result, the probability distribution of Y becomes a mixture of two normal distributions with equal weights, centered at 0 but with opposite signs. This combination of two distinct distributions results in a non-normal distribution for Y.

Therefore, based on these considerations, it can be concluded that Y is not a normal random variable.

To know more about normal distributions check the below link:

https://brainly.com/question/4079902

#SPJ4


Related Questions

Thermometer A shows the temperature in the morning. Thermometer B shows the temperature in the evening. What is the difference in the temperatures?

Answers

Answer:

(Thermometer B reading - Thermometer A reading)

Step-by-step explanation:

The thermometer reading aren't given in the question.

However, hypothetically.

The difference between two temperature values (morning and evening values) would be :

Temperature in the evening - morning temperature

Therefore,

If ;

Thermometer A reading = morning temperature

Thermometer B reading = evening temperature

Difference in the temperature :

(Thermometer B reading - Thermometer A reading)


pleaae help explain and write clearly thank you
you need to write a post describing either the column space or the null space of a matrix.

Answers

The null space of a matrix is the set of all vectors that satisfy the equation Ax = 0.

The null space of a matrix is the set of all vectors that satisfy the equation Ax = 0. In other words, the null space of a matrix A is the set of all solutions x to the equation Ax = 0. The null space of a matrix is also known as the kernel of a matrix. It is a subspace of the vector space R^n. The null space of a matrix can be used to determine if a system of linear equations has a unique solution, no solution, or infinitely many solutions. If the null space of a matrix is the zero vector, then the system has a unique solution. If the null space of a matrix is non-empty, then the system has infinitely many solutions. A matrix is an array of numbers that has been set up in rows and columns to make a rectangular shape. The elements, or entries, of the matrix are the integers. In addition to numerous mathematical disciplines, matrices find extensive use in the fields of engineering, physics, economics, and statistics. In computer graphics, where they have been used to describe picture rotations and other transformations, matrices have vital applications as well.

Know more about matrix here:

https://brainly.com/question/28180105

#SPJ11

If you calculate an F statistic and find that it is negative, then you know that the difference among the group means is less than what would have occurred by chance the within groups variance exceeds the between groups variance O you have made a calculation error the difference among the group means is greater than what would have occurred by chance

Answers

It is important to carefully review the calculations and ensure the data has been entered correctly. Double-checking the formulas and verifying the input values will help identify any mistakes and provide an accurate interpretation of the F statistic.

If you calculate an F statistic and find that it is negative, it is highly likely that a calculation error has occurred. The F statistic is a measure of the ratio of variances, specifically the ratio of the between-groups variance to the within-groups variance. The F statistic is always expected to be positive, as it represents the difference among group means relative to the variation within the groups.

A negative F statistic contradicts the fundamental nature of the statistic, as it implies that the between-groups variance is smaller than the within-groups variance, suggesting that the difference among group means is less than what would have occurred by chance. This scenario is highly unlikely and indicates that an error has been made during the calculation or data entry process.

Learn more about F-statistics here, https://brainly.com/question/15980493

#SPJ11

The population P (in thousands) of Austin, Texas, during a recent decade can be approximated by

y=494.29(1.03)t,
y=494.29(1.03)t,

where t is the number of years since the beginning of the decade. a. Tell whether the model represents exponential growth or exponential decay. Identify the annual percent increase or decrease in population. c. Estimate when the population was about 590,000.

Answers

The given model represents exponential growth as the base is greater than 1. Hence, the population will increase every year.

When a quantity grows or increases at a constant rate per unit of time, it is called exponential growth.Exponential decay: When a quantity decreases at a constant rate per unit of time, it is called exponential decay.The given model for population growth isy = 494.29(1.03)t, where t is the number of years since the beginning of the decade. Here, the base of the exponential is 1.03, which is greater than 1. So, the given model represents exponential growth.The annual percent increase in population is 3% (as 1.03 is a 3% increase in each year).c. We need to estimate when the population was about 590,000. To do this, we need to substitute y = 590 in the given equation and solve for t.494.29(1.03)t = 5904.31t = log(590/494.29) / log(1.03) = 12.91 years approximatelyTherefore, the population was about 590,000 in the 13th year, i.e., after 12 years (as it is given that t is the number of years since the beginning of the decade).

Learn more about exponential growth here:

https://brainly.com/question/1596693

#SPJ11

b) Consider the following metric: ds2 = €2A(r) dt? – e2B(r) dr2 – 22 (d02 + sin? 0d62), = with A(r) and B(r) two functions to be determined that depend only on r. Calculate the 20 independent components of the Riemann tensor.

Answers

The given metric is as follows: $$ ds^2 = e^{2A(r)} dt^2 - e^{2B(r)} dr^2 - 2(r^2 +\sin^2\theta) (d\phi^2 + \sin^2\theta d\phi^2) $$

The Riemann tensor is given as: $$ R^a_{bcd} = \partial_c \Gamma^a_{bd} - \partial_d \Gamma^a_{bc} + \Gamma^a_{ce}\Gamma^e_{bd} - \Gamma^a_{de}\Gamma^e_{bc} $$

Here, $\Gamma^a_{bc}$ is the Christoffel symbol of the second kind defined as:

$$ \Gamma^a_{bc} = \frac{1}{2} g^{ad}(\partial_b g_{cd} + \partial_c g_{bd} - \partial_d g_{bc}) $$

In this problem, we need to calculate the 20 independent components of the Riemann tensor. First, let's calculate the Christoffel symbols of the second kind.

Here, $g_ {00} = e^{2A(r)}$, $g_ {11} = -e^{2B(r)} $, $g_ {22} = -(r^2 + \sin^2\theta) $, and $g_{33} = -(r^2 + \sin^2\theta) \sin^2\theta$.

Using these, we get:$$ \Gamma^0_{00} = A'(r)e^{2A(r)}$$$$ \Gamma^0_{11} = B'(r)e^{2B(r)}$$$$ \Gamma^1_{01} = A'(r)e^{2A(r)}$$$$ \Gamma^1_{11} = -B'(r)e^{2B(r)}$$$$ \Gamma^2_{22} = -r(r^2 + \sin^2\theta)^{-1}$$$$ \Gamma^3_{33} = -\sin^2\theta(r^2 + \sin^2\theta)^{-1}$$$$ \Gamma^2_{33} = \cos\theta\sin\theta(r^2 + \sin^2\theta)^{-1}$$$$ \Gamma^3_{32} = \Gamma^3_{23} = \cot\theta $$

Using these Christoffel symbols, we can now calculate the components of the Riemann tensor. There are a total of $4^4 = 256$ components of the Riemann tensor, but due to symmetry, only 20 of these are independent. Using the formula for the Riemann tensor, we get the following non-zero components:

$$ R^0_{101} = -A''(r)e^{2A(r)}$$$$ R^0_{202} = R^0_{303} = (r^2 + \sin^2\theta)(\sin^2\theta A'(r) + rA'(r))e^{2(A-B)}$$$$ R^1_{010} = -A''(r)e^{2A(r)}$$$$ R^1_{121} = -B''(r)e^{2B(r)}$$$$ R^2_{232} = r(r^2 + \sin^2\theta)^{-1}$$$$ R^3_{323} = \sin^2\theta(r^2 + \sin^2\theta)^{-1}$$$$ R^2_{323} = -\cos\theta\sin\theta(r^2 + \sin^2\theta)^{-1}$$$$ R^3_{322} = -\cos\theta\sin\theta(r^2 + \sin^2\theta)^{-1}$$$$ R^0_{121} = A'(r)B'(r)e^{2(A-B)}$$$$ R^1_{020} = A'(r)B'(r)e^{2(A-B)}$$$$ R^2_{303} = -\sin^2\theta A'(r)e^{2(A-B)}$$$$ R^3_{202} = -rA'(r)e^{2(A-B)}$$$$ R^0_{202} = (r^2 + \sin^2\theta)\sin^2\theta A'(r)e^{2(A-B)}$$$$ R^0_{303} = (r^2 + \sin^2\theta)A'(r)e^{2(A-B)}$$$$ R^1_{010} = A''(r)e^{2(A-B)}$$$$ R^1_{121} = B''(r)e^{2(A-B)}$$$$ R^2_{232} = r(r^2 + \sin^2\theta)^{-1}$$$$ R^3_{323} = \sin^2\theta(r^2 + \sin^2\theta)^{-1}$$

Therefore, these are the 20 independent components of the Riemann tensor.

To know more about symbols refer to:

https://brainly.com/question/30763849

#SPJ11

i need an answer ASAP with an explanation please!
find the y-intercept of the function f(x)= (x+2) (x-1) (x-2)

Answers

Answer:

y intercept (0;4)

Step-by-step explanation:

let x = 0 because the graph will intersect the y-axis at the value of 0 for the x-axis

1. For all named stors that have made landfall in the United States since 2000, of interest is to determine the mean sustained wind speed of the storms at the time they made landfall in this scenario, what is the population of interest?

5. Consider the information presented in question 1. Suppose it is known that among all named storms that have made landfall in the United States since 2000, 31% of them stay over land for 3 or more days once they make landfall. In this scenario, is 31% an example of a parameter or a statistic?
A. Constant
B. Parameter
C. Variable
D. Statistic

Answers

The distinction between parameters and statistics is crucial for inferential statistics, the correct is option D.

The population of interest in the scenario,

1."For all named storms that have made landfall in the United States since 2000, of interest is to determine the mean sustained wind speed of the storms at the time they made landfall," is:

all named storms that have made landfall in the United States since 2000.

5.The correct answer is D. Statistic.

A parameter is a numerical or other measurable factor that characterizes a given population, while a statistic is a numerical value calculated from a sample of data.

Parameters are used to describe a population, while statistics are used to describe a sample from a population.

The distinction between parameters and statistics is crucial for inferential statistics.

To know more about inferential, visit

https://brainly.com/question/30910479

#SPJ11

Please help me!! No files allowed. I need the answer and an explanation!

Answers

Answer:

27/86

Step-by-step explanation:

the difference is multiplying by 3. next number is

27/86

What is the median amount of water (in ounces) that Mindy drank per day

Answers

Answer:

i need the rest of the problem to figure it out sorry

Step-by-step explanation:

Answer:

60 ounces

Step-by-step explanation:

got i t on edmentum

hi please help i’ll give brainliest

Answers

Answer:

between Jupiter and mars

Answer:

Choice A

Step-by-step explanation:

The Asteroid Belt in our Solar System is in-between the planets Jupiter and Mars.

The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars, that is occupied by a great many solid, irregularly shaped bodies, of many sizes but much smaller than planets, called asteroids or minor planets.

Express The Following As A Percent. 10/3

Answers

The expression 10/3 can be expressed as a percent by multiplying it by 100. The result is approximately 333.33%.

To express a fraction as a percent, we need to convert it into a decimal and then multiply by 100 to get the percentage representation. In this case, we have 10/3 as the fraction.

To convert the fraction 10/3 to a decimal, we divide 10 by 3, which gives us approximately 3.3333. To express this decimal as a percentage, we multiply it by 100. Thus, 3.3333 * 100 = 333.33%.

Therefore, the expression 10/3 can be expressed as approximately 333.33% when converted to a percentage.

Learn more about percentage representation here:

https://brainly.com/question/30733051

#SPJ11

can someone help me AND explain how they got the answer?

Answers

Answer:

g=4

Step-by-step explanation:

this is a 30 60 90 triangle. the hypotenuse is 2x while the shortest side is x. if 8=2x then x must be 4.

What is the five- number summary of the following data set

52,53,55,59,60,64

Answers

The answer would be A. What we notice is the first, third, fourth, and fifth numbers are all the same in each set. But since the middle of 53 and 55 is 54; answer choice A would be correct.

Joe plays basketball for the Wildcats and missed some of the season due to an injury. He did soune calculations that showed the mean number of points scored by his team was greater when he played than when he did not play. Here we test whether or not the mean was significantly greater The table summarizes this data where the i's are actually population means but we treat them like sample means. The degrees of freedom (d.f.) is given to save calculation time if you are not using software The Test: Test the claim that the mean points scored by the team was significantly greater when Joe played. Use a 0.05 significance level With Joe () 12 74.1 12.5 6.52 Without Joe (865.7 38.2 6.18 d.. 16 1 • Example 1: Using the given data, test the claim that the mean cholesterol level for all men who is the drug is less than the mean for those who do not use the drug. Assume both populations are normally distributed and use a 0.05 significance level. men Cholesterol Levels in mg/dL. No Drug (13) 237 289 257 228 303 275 262 304 214 233 263.2 811.1 28.6 Drug (12) 194 210 230 186 266 222 242 281 240 212 231.2 864.0 29.4 1. Here we are claiming that which means > Or-2 > 0.

Answers

The t-test allows us to evaluate whether the mean points scored by the team were significantly different between the scenarios with and without Joe.

To test the claim that the mean points scored by the team were significantly greater when Joe played, we can perform a t-test for independent samples.

Let's denote the mean number of points scored by the team when Joe played as mu1 and the mean number of points scored when Joe did not play as  mu2. The null hypothesis (H0) is that μ1 is not significantly greater than mu2, and the alternative hypothesis (H1) is that μ1 is significantly greater than mu2.

To perform the t-test, we need the sample means, standard deviations, and sample sizes for both scenarios (with Joe and without Joe). From the given data, we have the following:

With Joe:

Sample mean (x1) = 74.1

Sample standard deviation (s1) = 12.5

Sample size (n1) = 12

Without Joe:

Sample mean (x2) = 65.7

Sample standard deviation (s2) = 38.2

Sample size (n2) = 16

Now we can calculate the test statistic using the formula:

t = (x1 - x2) / sqrt((s1^2 / n1) + (s2^2 / n2))

Plugging in the values, we get:

t = (74.1 - 65.7) / sqrt((12.5^2 / 12) + (38.2^2 / 16))

Next, we determine the degrees of freedom (df) for the t-distribution. Since the sample sizes are different for the two scenarios, we use the approximate formula:

df = ((s1^2 / n1 + s2^2 / n2)^2) / ((s1^2 / n1)^2 / (n1 - 1) + (s2^2 / n2)^2 / (n2 - 1))

Plugging in the values, we get:

df = ((12.5^2 / 12 + 38.22 / 16)^2) / ((12.5^2 / 12)^2 / (12 - 1) + (38.2^2 / 16)^2 / (16 - 1))

After calculating the t-value and degrees of freedom, we can compare the t-value to the critical value from the t-distribution at the desired significance level (0.05). If the t-value is greater than the critical value,  and reject the null hypothesis and conclude that the mean points scored by the team were significantly greater when Joe played.

The specific calculations will depend on the actual data provided, but this explanation provides a general framework for performing the test.

For more questions on null hypothesis

https://brainly.com/question/4436370

#SPJ8

a company staff consists of 20 accountants, 12 economists and 4 secretaries. a staff is chosen at random. Find the probability that the staff is an accountant. With solution.​

Answers

Answer:

5/9

Step-by-step explanation:

Number of accountants = 20

Number of economists = 12

Number of secretaries = 4

Total number of Staffs = 20 + 12 + 4 = 36 staffs

Probability = required outcome / Total possible outcomes

Required outcome = number of accountants

Total possible outcomes = total number of staffs

P(selecting an economist) = 20 / 36 = 5 / 9

The probability that the staff is an accountant is 5/9.

Given

A company staff consists of 20 accountants, 12 economists and 4 secretaries. a staff is chosen at random.

Probability;

Probability is defined as the number of observations and total number of observation.

Total number of Staffs = 20 + 12 + 4 = 36 staffs.

The following formula is used to determine the probability;

[tex]\rm Probability=\dfrac{Accountant \ staff}{Total \ number \ of \ staff}[/tex]

Substitute all the values in the formula;

[tex]\rm Probability=\dfrac{Accountant \ staff}{Total \ number \ of \ staff}\\\\\rm Probability=\dfrac{20}{36}\\\\\rm Probability=\dfrac{5}{9}[/tex]

Hence, the probability that the staff is an accountant is 5/9.

To know more about probability click the link given below.

https://brainly.com/question/743546

A rooted tree where every other vertex is connected to the root by an edge is called a bonsai tree. (This includes the case where the tree is a seed, with no other vertices besides the root.) A collection of bonsai trees is called a bonsai forest. If n and k are positive integers, explain why the number of labeled bonsai forests with n vertices and k trees is (3) kn-k.

Answers

The number of labeled bonsai forests with n vertices and k trees is given by (3)^(kn-k).

The number of labeled bonsai forests with n vertices and k trees is (3)^(kn-k).

To understand why this is the case, let's break it down step by step.

First, let's consider a single bonsai tree with a root and n-1 other vertices connected to the root.

Each of these n-1 vertices can have one of three choices: either it is connected to the root, it is not connected to the root, or it is the root itself. Therefore, for a single bonsai tree, we have 3^(n-1) possibilities.

Now, if we have k bonsai trees, we can treat each tree as an independent entity. Therefore, the total number of labeled bonsai forests with k trees would be the product of the number of possibilities for each individual tree.

Hence, the total number of labeled bonsai forests with n vertices and k trees is (3)^(n-1) * (3)^(n-1) * ... * (3)^(n-1) (k times), which can be written as (3)^(kn-k).

In simpler terms, for each vertex in the bonsai forest, there are three possible choices: being connected to the root, not connected to the root, or being the root itself. As each vertex is independent and has the same three choices, the total number of possibilities for the entire forest is calculated by multiplying the number of possibilities for each vertex (3) by itself (n-1) times, for a total of kn-k times.

To know more about the bonsai forests, click here;

https://brainly.com/question/30090701

#SPJ11

Write the radian measure of each angle with the given degree measure explain your reasoning

Answers

Answer:

90 = π/2

45 = π/4

0 and 360 = 0 and 2π

135 = 3π/4

180 = π

225 = 5π/4

270 = 2π/3

315 = 7π/4

315 =

Step-by-step explanation:

Find the area of each trapezoid. Write your answer as an integer or a simplified radical

Answers

Answer: there is no picture

consider a population proportion p = 0.68. a-1. calculate the expected value and the standard error of p− with n = 30

Answers

If a population proportion p = 0.68, the expected value and the standard error of p' with n = 30 is 0.68 and 0.090 respectively.

To calculate the expected value and standard error of the sample proportion p' with a known population proportion p = 0.68 and a sample size n = 30, we use the formulas:

Expected value of p' (E[p']) = p

Standard error of p' (SE[p']) = √((p * (1 - p)) / n)

Given that the population proportion p = 0.68 and the sample size n = 30, we can substitute these values into the formulas:

E[p'] = p = 0.68

SE[p'] = √((p * (1 - p)) / n) = √((0.68 * (1 - 0.68)) / 30) = √(0.2176 / 30) ≈ 0.090

Therefore, the expected value of the sample proportion p' is 0.68, indicating that, on average, we expect the sample proportion to be equal to the population proportion.

The standard error of the sample proportion is approximately 0.090, representing the estimated standard deviation of the sampling distribution of p' and indicating the variability in the estimates of p'.

To learn more about population proportion click on,

https://brainly.com/question/14009075

#SPJ4

​Bob wants to build a playground in his backyard. The length and width of the playground can be represented by the equation f(x)=(x+5)(3x+6) feet. What is the area of Bob's playground? You must show your work, and include your units of measurement. ​

Answers

Step-by-step explanation:

This is an odd question  (do we have all of the info??)....I had to make an assumption...

Well..... you will not get a numerical answer...it is a quadratic equation

area = (x+5) ft  (3x+6) ft         (I assumed one was length and one was width)

area =   (3x^2 +21x + 30)     ft^2




2. verify the Wronskian formulas 2 sin vít (a)],(x)]-v+1(x) + J_v(x)]v-1(x) = πχ (b)],(x)Y/(x) - L(x)Y, (x) 2 = πχ

Answers

The Wronskian formula is given by:$$W(y_1,y_2)=\begin {vmatrix} y_1 & y_2 \\ y_1' & y_2' \end{vmatrix}$$To prove the Wronskian formula of two functions, let $y_1$ and $y_2$ be two non-zero solutions of the differential equation $y'' + p(x)y' + q(x)y = 0$.

Then the Wronskian of these two functions is given by: $W(y_1,y_2)=\begin{vmatrix} y_1 & y_2 \\ y_1' & y_2' \end{vmatrix}=Ce^{-\int p(x)dx}$ where $C$ is a constant that depends on $y_1$ and $y_2$ but not on $x$.

Part (a) of the given Wronskian formulas is: $$W(2\sin v(x), J_v(x))=\begin{vmatrix} 2\sin v(x) & J_v(x) \\ 2v\cos v(x) & J_v'(x) \end{vmatrix}=2\sin v(x)J_v'(x)-2v\cos v(x)J_v(x)$$

Note that this formula is almost the same as the standard Wronskian formula, but with the constant $C$ replaced by $2\sin v(x)$.

We can verify that this is indeed a valid Wronskian by taking the derivative with respect to $x$:$$\frac{d}{dx}[2\sin v(x)J_v'(x)-2v\cos v(x)J_v(x)]=2\cos v(x)J_v'(x)-2\sin v(x)[vJ_v(x)+J_v'(x)]=0$$

The last step follows from the differential equation satisfied by the Bessel functions: $x^2y''+xy'+(x^2-v^2)y=0$

Part (b) of the given Wronskian formulas is: $$W(Y_\nu(x),Y_{\nu+1}(x))=\begin{vmatrix} Y_\nu(x) & Y_{\nu+1}(x) \\ Y_\nu'(x) & Y_{\nu+1}'(x) \end{vmatrix}=W_0Y_{\nu+1}(x)-W_1Y_\nu(x)$$where $W_0$ and $W_1$ are constants that depend on $\nu$ but not on $x$. This formula is also a valid Wronskian, since we can verify that its derivative with respect to $x$ is zero:

$$\frac{d}{dx}[W_0Y_{\nu+1}(x)-W_1Y_\nu(x)]=W_0Y_{\nu+1}'(x)-W_1Y_\nu'(x)=0$$

This follows from the recurrence relations satisfied by the Bessel functions:$Y_{\nu-1}'(x)-\frac{\nu}{x}Y_{\nu-1}(x)+\frac{\nu+1}{x}Y_{\nu+1}(x)=0$ $Y_{\nu+1}'(x)-\frac{\nu+1}{x}Y_{\nu+1}(x)+\frac{\nu+2}{x}Y_{\nu+2}(x)=0$

To know more about Wronskian formula refer to:

https://brainly.com/question/31402423

#SPJ11

Help yalll please

Find the vale of X

Answers

Answer:

45°

Step-by-step explanation:

x should be the equivalent angle as the 45° given, as this is a perfect circle, so the distance from the center shouldn't affect the angle

help me please ...........with this work
I'm trying my best to figure out how to do this so if someone can help me with the right answer please help me

Rewrite y = x2 + 2x - 1 into vertex form.
y=(x+1)2−2 Use x = - b\2a to find the vertex (h, k).

Substitute a, h, and k into y = a(x - h)2 + k:
2a(x-h)+k 2ax-2ah+k

Answers

Answer:

Vertex form is: y = ( x + 1 )^2 − 2

Step-by-step explanation:

I'm not sure about the substitution part.

y=Ax^2 + Bx + C is the solution of the DEQ: By' = 2x + 7. Determine A,B. Separate variables, & integrate.

Answers

The exact value of A in the general solution is 1 and B is 7

How to determine the value of A and B in the general solution

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

y = Ax² + Bx + C

The differential equation is given as

y' = 2x + 7

When y = Ax² + Bx + C is differentiated, we have

y' = 2Ax + B

So, we have

2x + 7 = 2Ax + B

By comparing both sides of the equation, we have

2Ax = 2x

B = 7

So, we have

2A = 2

B = 7

Divide both sides of 2A = 2 by 2

A = 1

B = 7

Hence, the value of A in the general solution is 1 and B is 7

Read more about differential equation at

https://brainly.com/question/1164377

#SPJ4

BRAINLIESTTTTT PLZZZZ

Answers

Answer:

Slope is -5/3

Step-by-step explanation: when you look at the graph, the line is descending meaning it will be a negative, so we can eliminate the answers that are positive leaving us with 2 options. Then we have to do rise/run, you figure that out by counting how many points the line goes up and to the right or left, and intersects with the line

Find the distance from (-6, 1) to (-3, 5).

Answers

Answer:

9.8 units

Step-by-step explanation:

distance = sqrt (x2 - x1)^2 + ( y2 - y1)^2

sqrt (-3 - (-6))^2 + (5 - 1)^2

sqrt (9)^2 + (4)^2

sqrt 81 + 16

sqrt 97

9.848857802

Favorite Songs? I need to update my playlist!

Answers

Step-by-step explanation:

megan thee stallion songs

cardi b's songs

space cadet-gunna

astronaut in the ocean

Flo milli

and my personal favorite

knock knock- sofaygo

use the laplace transform to solve the given initial-value problem. y' 5y = f(t), y(0) = 0, where f(t) = t, 0 ≤ t < 1 0, t ≥ 1

Answers

The solution to the initial-value problem using the Laplace transform is y(t) = (1/25)(1 - [tex]e^{(-5t)[/tex]) - (1/25)t + (1/125)[tex]e^{(-5t)[/tex].

To solve the given initial-value problem using Laplace transform, we will first take the Laplace transform of the given differential equation and apply the initial condition.

Take the Laplace transform of the differential equation:

Applying the Laplace transform to the equation y' + 5y = f(t), we get:

sY(s) - y(0) + 5Y(s) = F(s),

where Y(s) represents the Laplace transform of y(t) and F(s) represents the Laplace transform of f(t).

Apply the initial condition:

Using the initial condition y(0) = 0, we substitute the value into the transformed equation:

sY(s) - 0 + 5Y(s) = F(s).

Substitute the given function f(t):

The given function f(t) is defined as:

f(t) = t, 0 ≤ t < 1

f(t) = 0, t ≥ 1

Taking the Laplace transform of f(t), we have:

F(s) = L{t} = 1/s²,

Solve for Y(s):

Substituting F(s) and solving for Y(s) in the transformed equation:

sY(s) + 5Y(s) = 1/s²,

(Y(s)(s + 5) = 1/s²,

Y(s) = 1/(s²(s + 5)).

Inverse Laplace transform:

To find y(t), we need to take the inverse Laplace transform of Y(s). Using partial fraction decomposition, we can write Y(s) as:

Y(s) = A/s + B/s² + C/(s + 5),

Multiplying both sides by s(s + 5), we have:

1 = A(s + 5) + Bs + Cs².

Expanding and comparing coefficients, we get:

A = 1/25, B = -1/25, C = 1/125.

Therefore, the inverse Laplace transform of Y(s) is:

y(t) = (1/25)(1 - [tex]e^{(-5t)[/tex]) - (1/25)t + (1/125)[tex]e^{(-5t)[/tex].

Learn more about laplace transform at

https://brainly.com/question/30759963

#SPJ4

Martin is considering the expression 1/2(7x+48)and -(1/2x-3)+4(x+5)​

Answers

Step-by-step explanation:

1/2(7x+48) = 7x ÷2 +48÷2 = 7x÷2 + 24

and

-(1/2x-3)+4(x+5) = 7x ÷2 + 46÷2 = 7x÷2 +23

5. Bryce gets a monthly allowance of $10 plus $1 for each
additional chore.
A) Determine if the situation is linear or not.
B) Determine if the situation is proportional or not.
C) Determine if the situation is a function or not.
How can you tell? Be sure to use the words input, output, slope and y-intercept in your
explanation.

Answers

He will make around 16 the slope is eat and the Y intercept is seven
Other Questions
What is the name of the building above? The price of n tickets to a concert is 8n + 9 dollars. What is the cost in dollars for 7 tickets to the concert Select the correct answer.Which statement is true?A. The mean lies to the right of the median for a positively skewed distribution.B. The mean lies to the left of the median for a positively skewed distribution.C. The mean lies to the left of the median for a symmetric distribution.D. A distribution skewed to the right is said to be negatively skewed.E. A distribution skewed to the left is said to be positively skewed. Question 1 of 10Identify the sentence in the passage below that should be either rewritten orremovedShakespeare's meline has much to say about the virtue of loyalty. In theopening act Imogen's marriage to Posthumus Leonatus is seen by her fatheras disloyalty, for he intended her for a higher station. Loyalty is highlyregarded in my family. Throughout this play, Shakespeare demonstrates thatloyalty is a timeless value, not to mention highly problematic.A Shakespeare's mbeline has much to say about the virtue ofloyaltyO B In the opening act, Imogen's marriage to Posthumus Leonatus isseen by her father as disloyalty, for he intended her for a higherstation.C. Throughout this play, Shakespeare demonstrates that loyalty is atimeless value, not to mention highly problematicD. Loyalty is highly regarded in my family.SUBMITPREVIOUS Which dynasty led China during the golden age described here? Shang Ming Tokugawa Zhu *Improved porcelain by adding more colors, *Restored the Chinese civil service, *Rebuilt the city of Beijing, *Built the Forbidden City - one of the largest palaces in the world,*Rebuilt the Great Wall 8. The 2% solution of tetracaine hydrochloride is already isotonic. How many milliliters of a 0.9% solution of . sodium chloride should be used in compounding the prescription? Tobramycin 0.5% Tetracaine hydrochloride Sol. 2% 15 mL Sodium chloride qs Purified water ad 30 mL Make isoton, sol. Sig. for the eye how to calculate relative abundance of copper isotopes The final bill for dinner, including tip, was $172.50. If the diners tipped 15%, what was the bill before the tip? Write just the value that represents your answer. scientific polling is used to systematically investigate opinions of ordinary people. a key component of high quality scientific polling is: Jaime has 50 rock songs, 35 dance songs and 15 rap songs on his play list. If his music player randomly selects a song, what is the probability that it is a rock song? Based on the information in the table below, which men could not be the father of the baby? Justify your answer with a Punnett Square.NameBlood TypeMotherType BBabyType AFather 1Type AFather 2Type ABFather 3Type OFather 4Type B Which of the following represents act utilitarianism? a.) Nathaniel helps his classmates study because he thinks it's a good thing to do. b.) Naomi refuses to steal, even when she would benefit greatly without getting caught. O c.) Neil sends his children to bed without supper because they need to learn to behave properly. d.) Nora yells "Look out!" to a stranger who is about to get hit by a truck because she would do the same for anyone. the species name of the african elephant is loxodonta africana. in the species name, what is africana? question 7 options: family genus species domain A group of 5 friends sold lemonade. If they sold each cup for $0.50 on Friday and for $0.45 on each other day of the week, how much money did each friend make if they split the money evenly?Day Number of cups Monday 15 Tuesday 8Wednesday 5Thursday 11 Friday 23 Compute the Laplace transform of the function f on (0,0) defined by f(t) = { i Se4 0 3 Give your answer as a function in the variable s for s > 0. L(f)(s) =___ Mark rows a boat 8 miles an hour in calm water. When the rate of a river's current is 3 mph, it takes Mark 2 hours longer to row a given distance upstream than to travel the same distance downstream. How long will it take him to row downstream? How many miles will he row in total? Time: Distance: Ellen B. Parkhurst, wife of another New York minister, celebrated the advantages of bicycle riding in Washington's Evening Times. "Of course I do not believe that bicycling is immoral," she said. "A girl who rides a wheel is lifted out of herself and her surroundings. She is made to breathe purer air, see fresher and more beautiful scenes, and get an amount of exercise she would not otherwise get. All this is highly beneficial."Wheels of Change,Sue MacyIn this passage, Sue Macy quotes Ellen B. Parkhurst. What is Parkhursts viewpoint on the topic?Biking is a social activity for girls.Biking is a healthy activity for girls.Biking is an immoral activity for girls.Biking is a dangerous activity for girls. You find a person at the bottom of the stairs. He appears to have fallen and seems badly hurt. After sending someone for help, you would:________ I plan to move to France as soon as I get vaccinated but I took Spanish lessons instead! I don't want to learn another language in the middle of quarantine so I would really appreciate it if you tell me how to say a few sentences:Hey my names Violeta!How are you?Do you speak English? Which types of chemical reactions areconsidered opposites of one another?