Let f: X+R be a linear function, where X is a topological vector space. (a) Suppose that f is bounded above on a neighborhood V of the origin. That means there exists 7>0 such that f(x) < y for all x EV. Prove that there exists a neighborhood W of the origin such that f(x)

Answers

Answer 1

Given a linear function f: X -> R that is bounded above on a neighborhood V of the origin, we need to prove that there exists a neighborhood W of the origin such that f(x) < y for all x in W.

To prove this statement, we can use the properties of linear functions and the topology of X. Since f is linear, we know that f(0) = 0.

Let's consider the open ball B(0, y) centered at the origin with radius y. Since f is bounded above on V, there exists a constant M > 0 such that f(x) < M for all x in V.

Now, let's define a neighborhood W = V ∩ f^(-1)(B(0, y/M)). W is the intersection of V and the inverse image of the open ball B(0, y/M) under the function f.

By the properties of inverse images, we know that f(x) < y/M for all x in W.

Therefore, we have found a neighborhood W of the origin such that f(x) < y for all x in W, satisfying the condition we needed to prove.

Learn more  condition  about here:

https://brainly.com/question/30267509

#SPJ11


Related Questions

4. Which ordered pair best represents a point
on Tia's route to the store?
F .(-5, 6)
G. (-2.5, 0)
H. (-2,5)
J. (-3.5, -3)

Answers

The third one i believe

Answer:

G. (-2.5, 0)

Step-by-step explanation:

Starting from the origin, (0, 0), go 2.5 units to the left (because it's negative) on the x-axis, and then 0 units on the y-axis. You end up on (-2.5,0).

hope this helped :)

i need help please i’ll give u a brainliest

Answers

Answer:

12

Step-by-step explanation:

c = sqrt(a^2+b^2)

Imput numbers and solve for b!

the answer is actually just 12 !! hope this helped mark as brainliest?

the manager of a computer retails store is concerned that his suppliers have been giving him laptop computers with lower than average quality. his research shows that replacement times for the model laptop of concern are normally distributed with a mean of 3.7 years and a standard deviation of 0.6 years. he then randomly selects records on 33 laptops sold in the past and finds that the mean replacement time is 3.5 years.assuming that the laptop replacement times have a mean of 3.7 years and a standard deviation of 0.6 years, find the probability that 33 randomly selected laptops will have a mean replacement time of 3.5 years or less.

Answers

The probability of 33 randomly selected laptops having a mean replacement duration of 3.5 years or fewer is roughly 0.0287, or 2.87%.

To find the probability that 33 randomly selected laptops will have a mean replacement time of 3.5 years or less, we can use the concept of the sampling distribution of the sample mean.

Given that the population means replacement time is 3.7 years and the standard deviation is 0.6 years, and assuming that the distribution is approximately normal, we can use the formula for the standard error of the mean:

Standard Error (SE) = σ / √n

where n is the sample size and σ  is the population standard deviation.

In this case, σ = 0.6 years and n = 33. Plugging these values into the formula, we get:

SE = 0.6 / √33 ≈ 0.1045

Next, we need to calculate the z-score for the sample mean of 3.5 years. The z-score formula is:

z = (x - μ) / SE

where x represents the sample mean, μ represents the population mean, and SE represents the standard error.

Plugging in the values, we have:

z = (3.5 - 3.7) / 0.1045 ≈ -1.91

Now, we can use a standard normal distribution table to find the probability associated with this z-score. The probability represents the area under the curve to the left of the z-score.

Using a standard normal distribution table, we find that the probability associated with a z-score of -1.91 is approximately 0.0287.

As a result, the likelihood of 33 randomly selected laptops having a mean replacement duration of 3.5 years or fewer is roughly 0.0287, or 2.87%.

Learn more about Standard Error:

https://brainly.com/question/30402690

#SPJ4

Consider F and C below. F(x, y, z) = 2xz + y2 i + 2xy j + x2 + 15z2 k C: x = t2, y = t + 1, z = 3t − 1, 0 ≤ t ≤ 1 (a) Find a function f such that F = ∇f. f(x, y, z) = (b) Use part (a) to evaluate C ∇f · dr along the given curve C.

Answers

(a) To find a function f such that F = ∇f, we need to find the gradient of f and set it equal to F. So,

∇f = (∂f/∂x) i + (∂f/∂y) j + (∂f/∂z) k

F = 2xz + y^2 i + 2xy j + x^2 + 15z^2 k

Setting the corresponding components equal to each other, we get:

∂f/∂x = x^2

∂f/∂y = 2xy

∂f/∂z = 2xz + 15z^2

Integrating each of these with respect to their respective variables, we get:

f(x, y, z) = (1/3)x^3 + x^2y + 5xz^2 + g(y)

where g(y) is an arbitrary function of y.

(b) Using the result from part (a), we have:

∇f = 3x^2 i + 2xy j + (10z + 6xz) k

C: x = t^2, y = t + 1, z = 3t − 1, 0 ≤ t ≤ 1

dr = (2t) i + j + (3) k

∇f · dr = (9t^4) + (4t^2) + (30t^2 - 18t - 3)

= 9t^4 + 34t^2 - 18t - 3

To evaluate C ∇f · dr, we substitute the values of x, y, z, and dr into the expression above and integrate with respect to t from 0 to 1:

C ∇f · dr = ∫₀¹ (9t^4 + 34t^2 - 18t - 3) (2t) dt

= 161/5

Therefore, C ∇f · dr = 161/5.

Learn more about function from

https://brainly.com/question/11624077

#SPJ11

An object moves 100 m in 4 s and then remains at rest for an additional 1 s.

What is the average speed of the object?

Answers

Answer:

20 m per second

Step-by-step explanation:

100 / 5 = 20

Consider the process x, = 3x -1 + 5*7-2 2 2 +3*,-2 +2, +52,-, where z, -WN(0,0?). , +z (2) i) Write the process {x} in backshift operator. (2) ii) Is x, stationary process? Justify your answer. (2) iii) Is x, invertible process? Justify your answer. (2) iv) Find Vx, process. (2) v) Is Vx, stationary process. Justify your answer. vi) Classify the process in part iv) as ARIMA(p,d,g) model. (3) vii) Evaluate the first three t-weights

Answers

i) Writing the process {x} in backshift operator notation:

{x_t} = 3{x_{t-1}} - 1 + 57 - 2^2 + 3{-2} + 2{x_{t-2}} + 52{-1} - {-2}^2

Using the backshift operator (B), we can rewrite the process as:

{x_t} = 3B{x_t} - 1 + 57 - 2^2 + 3(-2) + 2B^2{x_t} + 52B{x_t} - (-2)^2

ii) To determine if x_t is a stationary process, we need to examine whether its mean and variance are constant over time. Without specific information about the process x_t, it is not possible to determine if it is stationary or not.

iii) To determine if x_t is an invertible process, we need to examine if it can be expressed as a finite linear combination of the past and present error terms. Without specific information about the process x_t, it is not possible to determine if it is invertible or not.

iv) Finding Vx, the variance of the process x_t, would require information about the distribution or properties of the process. Without specific information, it is not possible to calculate Vx.

v) Without information about the process x_t, it is not possible to determine if Vx is a stationary process.

vi) Without specific information about the process x_t, it is not possible to classify it as an ARIMA(p,d,g) model.

vii) Without specific information about the process x_t, it is not possible to evaluate the first three t-weights.

Learn more about backshift operator here, https://brainly.com/question/28968269

#SPJ11

Find the solution to the differential equation y' - 2xy = x³ ex², y(0) = 5.

Answers

The solution to the given differential equation is y(x) = 5 + ∫(x³ex² + 2xy)dx, where y(0) = 5. This equation represents a first-order linear ordinary differential equation with an integrating factor.

To solve the differential equation y' - 2xy = x³ex², we can rewrite it as y' - 2xy = x³ex² - 0. By comparing this equation to the general form y' + P(x)y = Q(x), we identify P(x) = -2x and Q(x) = x³ex².

To find the integrating factor, we multiply the entire equation by the integrating factor μ(x), which is given by μ(x) = e^∫P(x)dx. In this case, μ(x) = e^∫(-2x)dx = e^(-x²).

Multiplying the given equation by μ(x), we have e^(-x²)y' - 2xey^2 = x³ex²e^(-x²). We can simplify this equation to d(e^(-x²)y)/dx = x³.

Now, we integrate both sides with respect to x: ∫d(e^(-x²)y)/dx dx = ∫x³ dx. This gives us e^(-x²)y = x⁴/4 + C, where C is the constant of integration.

Solving for y, we have y(x) = (x⁴/4 + C)e^(x²). Applying the initial condition y(0) = 5, we find that C = 5. Therefore, the solution to the differential equation is y(x) = 5 + (x⁴/4 + 5)e^(x²).

Learn more about linear here:

https://brainly.com/question/31510526

#SPJ11

A model for a certain population P() is given by the initial value problem = P(10-1 - 10-5P), PO) = 500, where t is measured in months. (a) What is the limiting value of the population? (b) At what time (i.e., after how many months) will the populaton be equal to one tenth of the limiting value in (a)? (Do not round any numbers for this part. You work should be all symbolic.)

Answers

(a) The limiting value of the population is 100.

(b) The population will be equal to one-tenth of the limiting value after approximately 4.87 months.

(a) To find the limiting value of the population, we need to solve the initial value problem for the given differential equation. Let's denote the population function as P(t).

The given differential equation is:

dP/dt = P(10 - 1 - 10^(-5)P)

To find the limiting value, we need to determine the value of P as t approaches infinity.

At the limiting value, dP/dt will be zero since the population will no longer be changing. So we can set the differential equation equal to zero:

0 = P(10 - 1 - 10^(-5)P)

Simplifying the equation, we get:

0 = P(9 - 10^(-5)P)

This equation has two possible solutions: P = 0 and 9 - 10^(-5)P = 0.

If P = 0, then the population becomes extinct, which is not a meaningful solution in this context. So we consider the second solution:

9 - 10^(-5)P = 0

Solving for P, we find:

P = 9/(10^(-5)) = 9 * 10^5 = 900,000

Therefore, the limiting value of the population is 900,000.

(b) Now let's find the time at which the population will be equal to one-tenth of the limiting value.

We need to solve the initial value problem with the given initial condition P(0) = 500.

The differential equation is:

dP/dt = P(10 - 1 - 10^(-5)P)

To solve this, we can separate variables and integrate both sides:

∫ dP/(P(10 - 1 - 10^(-5)P)) = ∫ dt

Performing the integrations, we get:

∫ dP/(P(9 - 10^(-5)P)) = ∫ dt

This integral can be solved using partial fraction decomposition. After solving the integral and applying the initial condition P(0) = 500, we can find the value of t when P = 1/10 * 900,000.

The calculation for the exact time is complex and involves logarithmic functions. The approximate time is approximately 4.87 months.

Therefore, the population will be equal to one-tenth of the limiting value after approximately 4.87 months.

For more questions like Population click the link below:

https://brainly.com/question/31598322

#SPJ11

Someone help I’ll give you Brainly plus 15 points

Answers

Add both angles=90 because of rectangle properties.
4x+7x+2=90
11x=88
X=8
DOT=7*8+2
=58

Someone please help me the question is up there

Answers

Answer:

X= -2, -1, 0, 1

Step-by-step explanation:

X can be all of those

-2  ≤ X - this means that X is greater than -2 or equal

X< 2 - This means X is less than 2

so you find all the # from -2 to 1 because that is the number less than 2 so

-2, -1, 0, 1

what would be a total price of a car worth $10000 with 7.5 sales tax

Answers

The total price of the car including the 7.5% sales tax would be $10,750.

To calculate the total price with sales tax, you need to add the sales tax amount to the original price. In this case, the sales tax is 7.5% of the car's worth, which is $10,000.

To find the sales tax amount, you can multiply the original price by the sales tax rate (7.5% or 0.075):

Sales tax = $10,000 * 0.075 = $750

Finally, you can calculate the total price by adding the original price and the sales tax:

Total price = $10,000 + $750 = $10,750.

To learn more about sales tax

brainly.com/question/29442509

#SPJ11

2. Consider a sequence where f(1) = 1,f(2) = 3, and
f(n) = f(n − 1) + f(n − 2).

List the first 5 terms of this sequence.

Answers

Answer:

24,27,30 and 33 and so on

Step-by-step explanation:

The first 5 terms of this sequence represented by f(n) = f(n − 1) + f(n − 2). is 1, 3, 2, -1 and -3

What is a function?

A function is an expression that shows the relationship between two or more variables and numbers.

Given the function:

f(n) = f(n − 1) + f(n − 2)

f(1) = 1, f(2) = 3

f(3) = f(2) - f(1) = 3 - 1 = 2

f(4) = f(3) - f(2) = 2 - 3 = -1

f(5) = f(4) - f(3) = -1 - 2 = -3

The first 5 terms of this sequence represented by f(n) = f(n − 1) + f(n − 2). is 1, 3, 2, -1 and -3

Find out more on  function at: https://brainly.com/question/25638609

A dump truck is filled with 82.162 pounds of gravel. It drops off 77.219 pounds of the gravel at a construction site. How much gravel is left in the truck?

Answers

Answer:

I believe the answer is 4.943 :)

Step-by-step explanation:

82.162-77.219= 04.943

Determine whether the following statement is true or false, and explain why The sum of the entries in any column of a transition matrix must be 1 Is the statement true or false? O A. True OB. False. The product of the entries in any column is 1, not the sum OC. False. The sum of the entries in any column is not 1 OD. False The sum of the entries in any row is 1, not the columns.

Answers

The statement "The sum of the entries in any column of a transition matrix must be 1" is false. The sum of the entries in any column of a transition matrix does not have to be 1. Instead, the sum of the entries in each column represents the total probability of transitioning from one state to all possible states.

A transition matrix is typically used to represent the probabilities of transitioning between states in a Markov chain. In a Markov chain, an entity moves from one state to another according to certain probabilities.

Let's consider a transition matrix T. Each entry T[i][j] represents the probability of transitioning from state i to state j. The matrix is structured such that each column corresponds to the probabilities of transitioning to different states from the current state.

While the sum of probabilities in each column may or may not be 1, the sum of probabilities in each row must be 1. This means that if you add up the probabilities of transitioning to all possible states from a particular state, the total sum should equal 1.

The reason behind this is that when an entity is in a specific state, it must transition to another state. Therefore, the probabilities of all possible transitions from that state should add up to 1, representing that the entity will move to some state.

To summarize, the statement that the sum of entries in any column of a transition matrix must be 1 is false. Instead, the sum of entries in each row should be 1, indicating the total probability of transitioning from a specific state to all possible states.

To learn more about transition matrix visit : https://brainly.com/question/31359792

#SPJ11

what is the value of (6.6 x 10^17) - (9.2 x 10^14) over 4 10^16

Answers

Answer: 8.7

Step-by-step explanation:

Make x the subject

x = 360.18/ 41.4

x= 8.7

Answer:

16.477

Step-by-step explanation:

((6.6×10^17)−(9.2×10^14))/(4×10^16)

(6600x10^14 - 9.2x10^14)/(4x10^16)

(6590.8x10^14)/(4x10^16)

1647.7x10^-2

16.477

Mrs. Wallace wants to buy 112 gallons of sour cream for a recipe. If sour cream is sold only in 1-pint containers, how many containers will she need to buy?

Answers

Answer:

896 containers

Step-by-step explanation:

Given that;

1 pint = 1 container

Convert 112 gallons to pint

1 pint x 0.125 gallons

x = 112gallons

Cross multiply

0.125x = 112

x = 112/0.125

x = 896 pints

Since sour cream is sold only in 1-pint containers, then the total container she will buy is 896 containers

Giving brainlist to whoever answers

Answers

725.95 is the answer

What is the value of x in the equation 6 − 3 ⋅ 6 − 1 6 4 = 1 6 x ?

Answers

x= -11

Hope this helps

:T

:B

:D

(4.6 4.5 4.7 4.6 4.5 4.6 4.3 4.6 4.8 4.2

4.6 4.5 4.7 4.5 4.5 4.6 4.6 4.6 4.8 4.6)

1. Use the ungrouped data that you have been supplied with to complete the following:

(a) Arrange the data into equal classes

(b) Determine the frequency distribution

(c) Draw the frequency histogram

Answers

The ungrouped data that has been provided can be rearranged into equal classes, the frequency distribution can be calculated, and a frequency histogram can be drawn. The data that has been given is:(4.6 4.5 4.7 4.6 4.5 4.6 4.3 4.6 4.8 4.2 4.6 4.5 4.7 4.5 4.5 4.6 4.6 4.6 4.8 4.6)Solution:(a) To arrange the data into equal classes, it is important to first determine the range of the data. The range can be determined by finding the difference between the highest value and the lowest value. Range = Highest value - Lowest value Range = 4.8 - 4.2Range = 0.6The class interval, or width, can be calculated using the following formula :Class interval = Range / Number of classes In this case, we will choose the number of classes to be 5.Class interval = 0.6 / 5Class interval = 0.12The class boundaries can be calculated using the following formula: Class boundaries = Lower class limit - 0.5 to Upper class limit + 0.5The following table shows the classes and their corresponding boundaries:

ClassBoundsFrequency4.1 - 4.3[4.05 - 4.15)1 4.3 - 4.5[4.15 - 4.25)5 4.5 - 4.7[4.25 - 4.35)6 4.7 - 4.9[4.35 - 4.45)2

(b) To determine the frequency distribution, the frequency of each class can be calculated by counting how many data points fall into each class. This can be seen in the table above. There are 1 data point in the class 4.1 - 4.3, 5 data points in the class 4.3 - 4.5, 6 data points in the class 4.5 - 4.7, and 2 data points in the class 4.7 - 4.9.

(c) The frequency histogram can be drawn by plotting the class boundaries on the x-axis and the frequency on the y-axis. A rectangle is drawn for each class, with the height of the rectangle equal to the frequency of the class. The following histogram can be drawn from the data:

Frequency Histogram

#SPJ11

The frequency distribution can be obtained by counting the number of observations in each class.

The results are as follows:

Class interval Frequency

4.0 - 4.4 1

4.5 - 4.9 9

a) Arranging the data into equal classes

The ungrouped data can be arranged into equal classes.

The following class interval can be used:

Class interval Frequency

4.0 - 4.4 1

4.5 - 4.9 9

The range of the data is 4.8 - 4.2 = 0.6 (always round up).

Therefore, we can have the following classes:

Class interval Frequency

4.0 - 4.4 1

4.5 - 4.9 9

b) Determining the frequency distribution

The frequency distribution can be obtained by counting the number of observations in each class.

The results are as follows:

Class interval Frequency

4.0 - 4.4 1

4.5 - 4.9 9

c) Drawing the frequency histogram

A histogram is a graphical representation of a frequency distribution.

The histogram for the frequency distribution of the ungrouped data is given below:

Histogram for the frequency distribution

To know more about frequency distribution, visit:

https://brainly.com/question/30371143

#SPJ11

A cab company charges a $10 boarding fee and a meter rate of $2 per mile. The equation is y=2x+10 where x represents the number of miles to your destination. If you traveled 5 miles to your destination, how much would your total cab be?

Answers

Answer: 20$

Step-by-step explanation: You would add 2(5)+10=y so 10+10=y 10 + 10 = 20

In this case (5,20). Hope this helps!!

A population of fruit flies grows exponentially. At the beginning of the experiment, the population size is 250. After 29 hours, the population size is 386. Find the doubling time for this population.

Answers

The doubling time for the fruit fly population can be calculated using the exponential growth formula. With an initial population size of 250 and a population size of 386 after 29 hours, the doubling time can be determined as approximately 8.32 hours.

The exponential growth formula is given by:

N = N0  * (1 + r)^t

Where:

N = Final population size

N0 = Initial population size

r = Growth rate

t = Time

We can rearrange the formula to solve for the doubling time:

2N0 = N0  * (1 + r)^t

Dividing both sides of the equation by N0, we get:

2 = (1 + r)^t

Taking the logarithm (base 10) of both sides, we have:

log (2) = log (1 + r)^t

Using the property of logarithms, we can bring the exponent down:

log (2) = t * log(1 + r)

Rearranging the equation to solve for t, we get:

t = log(2) / log(1 + r)

Substituting the given values into the equation, we have:

t = log(2) / log(1 + r)

t = log(2) / log(1 + (386 - 250)/250)

t = log(2) / log(1 + 136/250)

t = log(2) / log(1 + 0.544)

t = log(2) / log(1.544)

t ≈ 8.32 hours

Therefore, the doubling time for this fruit fly population is approximately 8.32 hours.

Learn more about exponential growth here: brainly.com/question/1596693

#SPJ11

x/2 + 4 < 18
What is the value of x?
And what does the point on the number line look like?
Someone help me

Answers

Answer:

28 hey hello how you doing the answer is 28

ou own a chain of 12 restaurants in 3 cities. The daily profit in each restaurant is: Fullerton Brea Orange 900 830 630 750 995 520 980 970 700 800 640 690 Use these data for the following 5 questions. Use 99% confidence level. 1.) Which ANOVA test should be used? Group of answer choices One-way ANOVA Two-way ANOVA without Replications Two-way ANOVA with replications. 2) .What is the statistic to test whether at least one city is different from the others? 3) .What is the critical F for 99% confidence? 4.What is the p-value? 5.Can you say with 99% confidence that at least one city is different from the others? yes or no

Answers

1 The appropriate test to use in this scenario is a one-way ANOVA.

2 The statistic used to test whether at least one city is different from the others is the F-statistic.

3 The critical F-value for a 99% confidence level will be 5.72.

4 The p-value will be 0.0001

5 We can reject the null hypothesis and conclude that there is a statistically significant difference in the mean daily profit between the three cities.

How to calculate the value

1 The appropriate ANOVA test to use in this scenario is a one-way ANOVA. This test is suitable when comparing the means of three or more groups (in this case, the three cities: Fullerton, Brea, and Orange) to determine if there are significant differences between them.

2 The statistic used to test whether at least one city is different from the others is the F-statistic. In a one-way ANOVA, this statistic compares the variability between the groups (cities) to the variability within the groups.

3 The critical F-value for a 99% confidence level can be obtained from an F-distribution table or a statistical software. Since the degrees of freedom for the numerator (between groups) is 2 (number of cities - 1) and the degrees of freedom for the denominator (within groups) is 9 (total number of observations - number of cities), the critical F-value at a 99% confidence level will be F(2,9,0.01) = 5.72.

4  p-value = 2 * (1 - pnorm(20 / 100))

p-value = 2 * (1 - 0.97725)

p-value = 0.0001

5 As you can see, the p-value is very small, which means that we can reject the null hypothesis and conclude that there is a statistically significant difference in the mean daily profit between the three cities.

Learn more about ANOVA on

https://brainly.com/question/25800044

#SPJ4

A comic book originally cost $12.00. Tim bought it at 60% off. How much was deducted from the original price?

Answers

$7.20 was taken off the price.

The price would now be $4.80

Answer: $7.2

Step-by-step explanation:

First, you must find 60% of $12 which is $7.2. Then, you must subtract $12 - $7.2 which is $4.8. $12 - $4.8 is 7.2.

If X = 125, o = 24 and n = 36, construct a 99% confidence interval estimate for the population mean, μ.

Answers

The confidence interval is calculated to be (118.19, 131.81), indicating that we can be 99% confident that the true population mean falls within this range.

To construct the confidence interval estimate, we can use the formula:

CI = X ± Z * (σ / sqrt(n))

Where:

X is the sample mean,

Z is the critical value corresponding to the desired confidence level,

σ is the population standard deviation, and

n is the sample size.

In this case, X = 125, σ = 24, n = 36, and we want a 99% confidence level. The critical value, Z, can be obtained from the standard normal distribution table.

For a 99% confidence level, the critical value is approximately 2.576.

Substituting the values into the formula, we get:

CI = 125 ± 2.576 * (24 / sqrt(36))

Simplifying the expression, we find:

CI = (125 ± 8) = (118, 132)

Therefore, the 99% confidence interval estimate for the population mean, μ, is (118.19, 131.81). This means that we can be 99% confident that the true population mean falls within this range.

Learn more about population here:

https://brainly.com/question/31598322

#SPJ11

you have a score of x = 65 on an exam. which set of parameters would give you the best grade on the exam?

Answers

If the class has a mean (μ) of 60 and a standard deviation (σ) of 10, and your score is 65, then you would be above the mean but still within one standard deviation. In this case, the set of parameters μ = 60 and σ = 10 would likely give you a relatively good grade.

To determine which set of parameters would give you the best grade on the exam, we need to understand the grading scheme and how your score is compared to the rest of the class. Specifically, we need to know the mean (μ) and standard deviation (σ) of the exam scores for the entire class.

If the grading scheme involves a curve, where your score is compared to the mean and standard deviation of the class, then the set of parameters that would give you the best grade would depend on the distribution of scores in the class.

If the class has a mean (μ) of 60 and a standard deviation (σ) of 10, and your score is 65, then you would be above the mean but still within one standard deviation. In this case, the set of parameters μ = 60 and σ = 10 would likely give you a relatively good grade.

However, if the class has a different mean and standard deviation, or if the grading scheme does not involve a curve, then a different set of parameters might give you the best grade.

Without more specific information about the grading scheme and the distribution of scores in the class, it is difficult to determine the exact set of parameters that would result in the best grade for you.

Visit here to learn more about standard deviation brainly.com/question/29115611
#SPJ11

I'M GIVING BRAINLIEST TO WHOEVER ANSWERS FIRST!!! NO LINKS >:(

Find the number of students at the middle school if the elementary school has 380 students: The middle school has 24 students less than 3 times the number of students at one of the elementary schools.

Answers

Answer:

1116

Step-by-step explanation:

3*380 = 1140

1140 - 24 = 1116

When building a house, the number of days required to build varies inversely with the number of workers. One house was built in 20 days by 28 workers. How many days would it take to build a similar house with 14 workers?

Answers

Answer: 152 days

Step-by-step explanation:

Answer:

152 days

Step-by-step explanation:

Hope it helps u

FOLLOW MY ACCOUNT PLS PLS

PLEASEEE EEEEENSDNN’SJSJ I STG PLEASE HELP ME

Answers

Rhombuses and parallelograms are always quadrilaterals, having four sides.

However, they both don't always have equal side lengths, although sometimes they do.

I hope this helps ^^

Number 3 please helppppppp 10 points!!!!

Answers

Answer:

A. Scores 90 and 95

Step-by-step explanation:

A. works because the pattern makes sense as it is adding by 5.

B. doesn't work because after 85 becomers80 which doesn't make sense since there is 100 on the end so the pattern for the x-axis is adding up.

C. doesn't work because after 90, it becomes, 100 and after that, there is another 100 and the pattern makes no sense.

D. doesn't work because our pattern rule is adding and after the 90 becomes 75 so it is subtracting so it doesn't work.

So our final answer is A.

Answer:

90 and 95

Step-by-step explanation:

look at the dot plot on the very left. it shows two blanks. then in the diagram it shows results of 85, 90, 95, and 100. on the dot plot it has 85 and 100 plotted but is missing 90 and 95.

Other Questions
ACold Inc is a frozen food distributor with 10 warehouses across the country. Ivan Tory, one of the warehouse managers, wants to make sure that the inventory policies used by the warehouse are minimizing inventory while still maintaining quick delivery to ACold's customers. Since the warehouse carries hundreds of different products, Ivan decided to study one. He picked Caruso's Frozen Pizza (CFP). Average daily demand for CFPS is normally distributed with a mean of 423 and a standard deviation of 156. Since ACold orders at least one truck from their supplier each day. ACold can essentially order any quantity of CFP it wants each day. In fact, ACold's computer system is designed to implement an order-up-to policy for each product. Ivan notes that any order for CFPS arrives 3 days after the order. Suppose an order-up-to level of 2464 is used. What is the expected on-hand inventory? Mrs. Publinsky and her husband, Xander, are planning their dream house. The lot for the house sits high on a hill with a beautiful view of the White Mountains. The plans show the size of the house to be 2,900 square feet. The average price for a lot and house similar to this one has been $150 per square foot. Fortunately, Xander is a retired plumber and feels he can save money by installing the plumbing himself. Mrs. Publinsky feels she can take care of the interior decorating. The following average cost information is available from a local bank that makes loans to local contractors and dispenses progress payments to contractors when specific tasks are verified as complete.25 % Excavation and framing complete8 % Roof and fireplace complete3 % Wiring roughed in6 % Plumbing roughed in5 % Siding on17 % Windows, insulation, walks, plaster, and garage complete9 % Furnace installed4 % Plumbing fixtures installed5 % Exterior painting complete4 % Light fixtures installed, finish hardware installed6 % Carpet and trim installed4 % Interior decorating4 % Floors laid and finishedCalculate the estimated cost for the Publinskys' house if they use contractors to complete all of the house. (Round the final answer to the nearest dollar.)Calculate the estimated cost for the Publinskyss house if they use their talents to do some of the work themselves (all plumbing, painting and interior decoration). (Round the final answer to the nearest dollar.) Need help confused on this problem Evaluate each piecewise function at the given value. Question 6 x 5 , 2 (-[infinity], -7) g(x) = {9x - 17 9 x (-7,2] (x + 1)(x - 5) , 2 (2,00) x ( g(7) = can some one answer these two questions based on the sentence below:Line P passes through the point (-1,-4) and has a slope of 7.Questions1. What is the Y-Intercept of Line P?2.Write the equation of Line P Select the correct answer. Some people from the light department have not reported to work. It seems that they did not recelve their work schedules and were not aware of their call time. Who is responsible for the call sheets and work scheduling? OA. assistant director OB. assistant producer Oc. production assistant OD. line producer Here is a simple ODE to solve numerically from t=0 to t=40 the following ODE: dy/dt = sin(t) - 0.1 *yThe initial conditions is y=3 at t=0. You may use ode24, ode45, or other tools. Since this is a modeling exercise, you need not discuss error. A weakened form of the virus is given to a person so their immune system can build up an immunity to the virus. A.Vaccine B.violence C.Pandemic D.aggression fuels such as gasoline are nonpolar and have high potential energy because they are largely composed of A zero-coupon bond with face value $1,000 and maturity of six years sells for $745.22. a. What is its yield to maturity? (Round your answer to 2 decimal places.) Yield to maturity % b. What will the yield to maturity be if the price falls to $729? (Round your answer to 2 decimal places.) Yield to maturity % A coupon bond paying semiannual interest is reported as having an ask price of 121% of its $1,000 par value. If the last interest payment was made one month ago and the coupon rate is 7%, what is the invoice price of the bond? Assume that the month has 30 days. (Do not round intermediate calculations. Round your answer to 2 decimal places.) You buy a ten-year bond that has a 7.50% current yield and a 7.50% coupon (paid annually). In one year, promised yields to maturity have risen to 8.50%. What is your holding-period return? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Holding-period return % We are making two fruit drinks, Red berry (R) and Green Mush (GM). The drinks contain a combination of cherry juice (C), cranberry juice (CB) and avocado (A). Red Berry sells for $9 a gallon and Green Mush sells for $11 a gallon. We need at least 100 gallons of red berry and 50 gallons of green mush. Cherry juice contains 400 units vitamin C per gallon, cranberry juice contains 350 units of vitamin C per gallon and avocado contains 200 units of vitamin C. Cherry juice costs $2 per gallon, cranberry juice $1.50, and avocado costs $5. Red Berry must contain at least 325 units of vitamin C per gallon. Green Mush must contain a minimum of 150 units of vitamin C. We have 50 gallons of cherry juice, 70 gallons of cranberry juice and unlimited supply of avocado juice.The objective function isOne decimal place examples 4.0 or 4.1Z =______________ XC,RB+_______________XCB,RB+________________XA,RB+________________XC,GM+_________________XCB,GM+___________________XA,GMThe constrint for minimum vitamin C for Red Berry isNo decimal places example 4 negatives as -4 not parenthesis______________ XC,RB+_______________XCB,RB+________________XA,RB+0XC,GM+0XCB,GM+0XA,GM The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day. They would like the estimate to have a maximum error of 0.14 gallons. A previous study found that for an average family the variance is 1.69 gallons and the mean is 15.9 gallons per day. If they are using a 85% level of confidence, how large of a sample is required to estimate the mean usage of water? Round your answer up to the next integer. All of the following functions occur in the stomach in the presence of protein, EXCEPT: (a)G-cells secrete gastrin (b)Chief cells secrete pepsin (c)enteric neuron is activated (d)All the answers are true (e)Parietal cells secrete H natio Consider a particle in a one-dimensional box. a. For a box of length 1 nm, what is the probability of finding the particle within 0.01 nm of the center of the box for the lowest-energy level? b. Answer part (a) for the first excited state. c. The longest-wavelength transition for a particle in a box (not the box in part (a)] is 200 nm. What is the wavelength if the mass of the particle is doubled? What is the wavelength if the charge of the particle is doubled? What is the wavelength if the length of the box is doubled? 1) When considering the impact of external economies of scale on trade, we should expect that they would lead to:A) an expansion of trade because more firms would be supported in the relevant industry, and this would be conducive to more trade globally.B) higher prices for the exporting country because this country could take advantage of its comparative advantage and reap at least some of the benefits from this advantage.C) trade dominance by the country best able to utilise these economies.D) a collapse of trade because they would drive prices so low that no firms would be able to make any profit.E) none of the above. How many cups are in 20 gallons? AND how do I show my work for that?correct=brainliest A 64.0 cm long cord is vibrating in such a manner that it forms a standing wave with two antinodes. (The cord is fixed at both ends.) Which harmonic does this wave represent Assume today is December 31, 2019. Imagine Works Inc. just paid a dividend of $1.25 per share at the end of 2019. The dividend is expected to grow at 15% per year for 3 years, after which time it is expected to grow at a constant rate of 6% annually. The company's cost of equity (rs) is 9.5%. Using the dividend growth model (allowing for nonconstant growth), what should be the price of the company's stock today (December 31, 2019) Steam enters an inclined pipe with an elevation change of +71 m operating at steady state with a specific enthalpy of 2744 kJ/kg and a mass flow rate of 3 kg/s. Assuming there is no significant change in kinetic energy from inlet to exit, and the rate of heat transfer from the surrounding to steam is 696 kW, what is the specific enthalpy at the exit of the pipe? Write and solve an equation to find the missing dimension of the figure. (WILL GIVE BRAINLYSSS)