plz help and show your work hurry fast plz

If (x, y) represents the location of any point on the original square, the ordered pair which represents the coordinates of the corresponding point on the resulting square is: (0.4x, 0.4y).

In Geometry, dilation simply refers to a type of transformation which changes the size of a geometric object and the location of its points based on the scale factor, but not its shape.

In Geometry, a scale factor can be defined as the ratio of two corresponding side lengths or diameter in two similar geometric objects (shapes) such as equilateral triangles, square, quadrilaterals, polygons, etc., which can be used to either enlarge or reduce their size.

Generally speaking, the transformation rule for the dilation of a geometric object (square) based on a specific scale factor is given by this mathematical expression:

(x, y)      →    (SFx, SFy)  = (0.4x, 0.4y)

Where:

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Complete Question:

A square with the perimeter of 20 units is graphed on a coordinate grid. The square is dilated by a scale factor of 0.4 with the origin as the center of dilation.

If (x, y) represents the location of any point on the original square, which ordered pair represents the coordinates of the corresponding point on the resulting square?

answer choices

(0.4x, 0.4y)

(x + 20, y + 20)

(x + 0.4, y + 0.4)

(20x, 20y)

Answer:

\(\displaystyle s(t)=\frac{3}{4}t^3+10t^3+5t+3\)

Step-by-step explanation:

Integrate v(t) with respect to time

\(\displaystyle \int(3t^3+30t^2+5)\,dt\\\\=\frac{3}{4}t^4+10t^3+5t+C\)

Plug-in initial condition to get C

\(\displaystyle s(0)=\frac{3}{4}(0)^3+10(0)^3+5(0)+C\\\\3=C\)

Thus, the position function is \(\displaystyle s(t)=\frac{3}{4}t^3+10t^3+5t+3\) given the velocity function and initial condition.

Answer:

-3

-2

-6

-4

-5

-1

Step-by-step explanation:

The graph has a horizontal intercept at (1, 0)

The line x = 0 (the y-axis) is a vertical asymptote; as x→0+,y→∞

The graph is decreasing if 0 < b < 1.

The domain of the function is x > 0, or (0, ∞)

The range of the function is all real numbers, or (−∞,∞)

What is function?

A function in mathematics from a set X to a set Y allocates precisely one element of Y to each element of X. The sets X and Y are collectively referred to as the function's domain and codomain, respectively.

The set of all positive real numbers serves as the function's domain. Assume that base 10 is written when no base is specified for the log. The equation y=logb(x+h)+k shifts the logarithmic function, y=logb(x), by k units vertically and h units horizontally. The graph would be moved upward if k>0.

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Option B : Gelo bought a wallet for PHP 250 with a 12% discount and a belt for PHP 230 with a 25% discount. Gelo paid a total of PHP 392.50 for both items.

First, we need to calculate the amount of the discount for the wallet and the belt. The discount for the wallet is 250 * 12/100 = 30. The discount for the belt is 230 * 25/100 = 57.5.

Next, we subtract the discount from the original price to find the amount paid for each item. The amount paid for the wallet is 250 - 30 = 220. The amount paid for the belt is 230 - 57.5 = 172.5.

Finally, we add up the amount paid for both items to find the total amount paid: 220 + 172.5 = 392.5.

Therefore, Gelo paid a total of 392.5, so the correct answer is (b) PHP 392.50.

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Option B : Gelo bought a wallet for PHP 250 with a 12% discount and a belt for PHP 230 with a 25% discount. Gelo paid a total of PHP 392.50 for both items.

First, we need to calculate the amount of the discount for the wallet and the belt. The discount for the wallet is 250 * 12/100 = 30. The discount for the belt is 230 * 25/100 = 57.5.

Next, we subtract the discount from the original price to find the amount paid for each item. The amount paid for the wallet is 250 - 30 = 220. The amount paid for the belt is 230 - 57.5 = 172.5.

Finally, we add up the amount paid for both items to find the total amount paid: 220 + 172.5 = 392.5.

Therefore, Gelo paid a total of 392.5, so the correct answer is (b) PHP 392.50.

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The answer is C. Not enough information to determine.

To understand which stock should have the highest expected return, we need more information about the stocks and the market. Standard deviation and beta are risk measures but do not directly provide information about expected return.
Standard deviation measures the dispersion of a stock's returns, with a higher standard deviation indicating greater volatility. Beta measures a stock's sensitivity to market movements, with a higher beta indicating greater responsiveness to market changes.
While risk and return are often positively correlated, meaning that higher risk investments typically offer higher potential returns, we cannot determine the expected return of these stocks based solely on their standard deviation and beta values. We would need additional information about the stocks, such as their historical returns or dividend yields, as well as the overall market conditions, to make an informed decision on which stock has the highest expected return.

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Answer:

y - intercept

Step-by-step explanation:

I took the assignment  

Answer: b

y-intercept.

Step-by-step explanation:

did the assessment

By complex and real number properties, the resulting electric resistance is equal to R' = 47 / 270 + i 4 / 45 ohms.

Complex numbers are numbers of the form z = a + i b, where a, b are real numbers. The first component is the real component and the second one is the complex one. In this problem we find the case of a combination of two electric resistances described by two complex numbers. This expression must be simplified by means of real number and complex number properties:

R' = 1 / R₁ + 1 / R₂

If we know that R₁ = 4 + i 6 and R₂ = 2 - i 4, then the resulting electric resistance is:

1 / (4 + i 6) + 1 / (2 - i 4)

(4 - i 6) / [(4 + i 6) · (4 - i 6)] + (2 + i 4) / [(2 - i 4) · (2 + i 4)]

(4 - i 6) / (16 - i² 36) + (2 + i 4) / (4 - i² 16)

(4 - i 6) / (16 + 36) + (2 + i 4) / (4 + 16)

(4 - i 6) / 52 + (2 + i 4) / 20

(2 - i 3) / 27 + (1 + i 2) / 10

47 / 270 + i 4 / 45

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Answer:

3.27 x 10^-6

Step-by-step explanation:

Hope this helps

To calculate the interquartile range (IQR) of the given data, we need to first find the first quartile (Q1) and the third quartile (Q3).

Step 1: Arrange the data in ascending order:

4, 7, 9, 11, 20, 23, 30, 43, 44, 44, 45, 48, 48, 49, 55

Step 2: Find the median (Q2):

Q2 is the middle value of the data set. In this case, we have an odd number of data points, so Q2 is the 8th value, which is 43.

Step 3: Find Q1:

Q1 is the median of the lower half of the data set. It is the middle value of the data points to the left of Q2. In this case, we have 7 data points to the left of Q2, so Q1 is the 4th value, which is 11.

Step 4: Find Q3:

Q3 is the median of the upper half of the data set. It is the middle value of the data points to the right of Q2. In this case, we have 7 data points to the right of Q2, so Q3 is the 4th value, which is 48.

Step 5: Calculate the interquartile range (IQR):

IQR = Q3 - Q1

IQR = 48 - 11

IQR = 37

Therefore, the interquartile range (IQR) of the given data is 37.

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Given the expression:

using the distributive property we get the following:

therefore, the simplified expression is 0

Let x be the number of hours that Stacy needs to study to get a good grade. she needs to study for more than 2 hours to achieve a good grade.

Since she thinks she needs to study more than 2 hours to get a good grade, the inequality that represents this situation is:x > 2

This inequality says that x, the number of hours that Stacy needs to study, is greater than 2.

Based on the given information that Stacy thinks she needs to study more than 2 hours to get a good grade, we can write the following inequality:

h > 2

This inequality states that the number of hours 'h' that Stacy studies must be greater than 2.

In other words, she needs to study for more than 2 hours to achieve a good grade.

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Answer:

$3228

Step-by-step explanation:

39236 - 500 = 38736

38736 / 12 = 3228

A fair decision is made when outcomes are equally likely, while a biased decision occurs when certain outcomes are favored or more likely than others.

It seems that you are describing two types of decision-making scenarios: "fair decision" and "biased decision."

Fair Decision:

A fair decision is made when the outcomes of an event are considered to be equally likely. In this case, there is no favoritism towards any particular outcome, and the decision is based on an even playing field where each outcome has an equal chance of occurring.

Biased Decision:

A biased decision occurs when certain outcomes of an event are favored or more likely than others. This means that there is a preference or inclination towards specific outcomes, which can influence the decision-making process. Biases can arise due to various factors such as personal beliefs, preferences, or external influences.

It's important to note that biases can affect decision-making in both positive and negative ways. Biased decisions may lead to unfair treatment or inaccurate judgments if they are not based on objective and unbiased evaluation of the available information.

In summary, a fair decision is made when outcomes are equally likely, while a biased decision occurs when certain outcomes are favored or more likely than others.

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Answer:

120

Step-by-step explanation:

by using the basic counting rule, there are 5 positions first, then 4, then ,3 and so on down to one. so when you multiply them all together, you get 120. Also i took  a test with the same qeustion, and that was the anwer :)

Answer:

120

Step-by-step explanation:

5 times 4 times 3 times 2 times 1= 120

5 choices for first

1 choice already taken so 4 for the other model

3 for the other

2 for the other

and 1 for the other

=120

Its correct, trust me!

Answer:

x=25⁰

y=25⁰

Step-by-step explanation:

ABC+BAC+ACB = 180⁰

65⁰+90⁰+y = 180⁰

y = 180⁰-155⁰

y = 25⁰

In triangle ABD,

ABD+ADB+BAD = 180⁰

65⁰+90⁰+x = 180⁰

x = 180⁰-155⁰

x = 25⁰

A property owner paid $25 per front foot for a lot 600 ft. x 1,452 ft,  The lot size is 600 ft. x 1,452 ft., which is equivalent to approximately 20 acres.

To determine the number of acres in the lot, we need to convert the dimensions from feet to acres.

The lot has a length of 600 ft and a width of 1,452 ft. To convert these dimensions to acres, we divide each dimension by the number of feet in an acre, which is 43,560.

Length in acres = 600 ft / 43,560 ft/acre

Width in acres = 1,452 ft / 43,560 ft/acre

Now, we can calculate the total area of the lot in acres by multiplying the length and width in acres:

Total area = Length in acres * Width in acres

After performing the calculations, the total area of the lot is obtained. The final answer represents the number of acres in the lot.

Please note that since the final answer is a numerical value, it can be provided directly without the need for an explanation.

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Answer:

\(Rate = 0.125\)

Step-by-step explanation:

Given

\(Daily\ Cups = 500\)

\(Weekly\ Cups =4000\)

Required

Determine the day to week rate

This can be calculated by dividing the daily medicine cups by the weekly cups;

\(Rate = \frac{Daily}{Weekly}\)

Substitute 500 for Daily and 4000 for Weekly

\(Rate = \frac{500}{4000}\)

\(Rate = 0.125\)

Hence, the rate of the daily to weekly medicine cup is 0.125

Scout says the class is suspicious of their first-grade teacher, Miss Caroline Fisher, because she comes from a county in North Alabama that supported the secession of the Confederate States from the Union during the Civil War.

The secession of the Confederate States from the Union during the Civil War refers to the act of Southern states, including Alabama, separating from the United States in order to form their own independent nation. Scout's statement suggests that Miss Caroline Fisher comes from a county in North Alabama that actively supported this secession.

During the Civil War, Alabama was a Confederate state, meaning it sided with the Southern states that seceded from the Union. Many counties within Alabama showed support for the Confederate cause and were known for their allegiance to the Confederacy.

Scout's statement implies that the class views Miss Caroline Fisher's background from a county in North Alabama as a reason for suspicion. The historical context of the Civil War and the divide between the Union and Confederate states likely contribute to the class's skepticism or concern regarding their teacher's origins and potential biases.

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Answer:

no

Step-by-step explanation:

one x should only have one y for it to be a function

The team go skirt pop pop pop pop pop pop...

The algorithm is designed to find out whether the child wins or loses in a game where two players take turns to pick balls. The algorithm takes the number of balls remaining in the box as input and returns True if the child wins, otherwise False.

The algorithm assumes that both players play optimally. The algorithm works by recursively picking balls from the box and checking whether the child or the game owner wins the game.

This is a recursive problem where each player plays optimally. There are two players in the game. The child will pick the balls first and then the game owner takes turns. Both will pick the balls optimally in order to win.

In each turn, k balls can be picked from the box. The winner is the one who picks the last ball. If the child picks the last ball, they win otherwise the game owner wins.

The algorithm is as follows:

Algorithm - Pick Balls

1. Define a recursive function called PickBalls(n). The function takes one parameter as input, which is the number of balls remaining in the box.

2. Check if the number of balls remaining is less than or equal to k. If yes, then return True as the game has ended and the child has won.

3. If the number of balls is greater than k, then pick k balls from the box.

4. If the child picks the last ball, then return True.

5. If the child does not pick the last ball, then the game owner picks the balls recursively.

6. If the game owner picks the last ball, then return False. Otherwise, return True.

Explanation: We are designing a recursive algorithm to find out whether the child will win or lose in a game where two players take turns to pick balls. The algorithm takes the number of balls remaining in the box as input and returns True if the child wins, otherwise False. We are assuming that both players play optimally. The algorithm works as follows:

If the number of balls remaining in the box is less than or equal to k, then the child can pick all the balls and win the game. Therefore, the function returns True.

If the number of balls remaining in the box is greater than k, then the child picks k balls from the box. If the child picks the last ball, then they win the game. Therefore, the function returns True.

If the child does not pick the last ball, then the game owner picks the balls recursively. If the game owner picks the last ball, then they win the game. Therefore, the function returns False. If the game owner does not pick the last ball, then the child picks again and the process repeats itself. If the child eventually picks the last ball, then they win the game. Therefore, the function returns True.

Conclusion: The algorithm is designed to find out whether the child wins or loses in a game where two players take turns to pick balls. The algorithm takes the number of balls remaining in the box as input and returns True if the child wins, otherwise False. The algorithm assumes that both players play optimally. The algorithm works by recursively picking balls from the box and checking whether the child or the game owner wins the game.

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The best buy for granulated sugar is the 4lb option since it is lesser.

To find the best buy for the item , we calculate the cost per pound of the item :

4lb = $2.93

10lb = $8.45

Cost per lb for 4lb :

2.93/4 = $0.7325 per lb

Cost per lb for 10lb :

8.45/10 = $0.845 per lb

Since the cost per lb for 4lb granulated sugar is lesser, then it is the best buy.

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Answer:

x = -2

Step-by-step explanation:

Answer:

x=-2

Step-by-step explanation:

Answer:

(-487.48, 85.96)

Explanation:

The component form of the velocity can be found as

(vx, vy)

Where

vx = vcos(170)

vy = vsin(170)

So, replacing the velocity v by 495 mph, we get:

vx = (495)cos(170)

vx = -487.48

vy = 495sin(170)

vy = 85.96

Therefore, the answer is

(-487.48, 85.96)

In order to solve this problem, we'll use the Combinations Formula. This is because the order in which the coins are flipped is unimportant; all that matters is the total number of heads and tails. We'll begin by counting the number of ways to get exactly 4 tails and exactly 8 tails, then the number of ways to get 5 tails and 6 tails, and finally the number of ways to get 7 tails. We will then add all of these numbers together to get the final answer.

When you toss a coin, there are only two possibilities: heads or tails.

Let's call the number of times you get tails "t." We want to find the number of ways to toss the coin 11 times so that

4 <= t <= 8.

Here's how we can do it:

First, we'll find the number of ways to get exactly 4 tails. We know that we're flipping the coin 11 times, so there are 11 choose 4 ways to choose which 4 of those tosses will be tails. The other 7 tosses will be heads. Using the Combinations Formula, this gives us:

11 choose 4 = 330

Next, we'll find the number of ways to get exactly 8 tails. This is similar to the previous step, except that we're choosing 8 of the 11 tosses to be tails. The other 3 tosses will be heads. Using the Combinations Formula, this gives us:

11 choose 8 = 330

Again, using the Combinations Formula, we can find the number of ways to get exactly 5 tails and 6 tails:

11 choose 5 = 462

11 choose 6 = 462

Finally, we need to find the number of ways to get exactly 7 tails. This is a little trickier, but we can do it by splitting the problem into two cases: when the first toss is a tail and when the first toss is a head.

Case 1: The first toss is a tail. Then we need to get 6 tails in the remaining 10 tosses. There are 10 choose 6 ways to choose which 6 of the remaining 10 tosses will be tails. Using the Combinations Formula, this gives us:

10 choose 6 = 210

Case 2: The first toss is a head. Then we need to get 7 tails in the remaining 10 tosses. There are 10 choose 7 ways to choose which 7 of the remaining 10 tosses will be tails.

Using the Combinations Formula, this gives us:

10 choose 7 = 120

Adding up all of these numbers, we get:

330 + 330 + 462 + 462 + 210 + 120 = 1914

So there are 1914 ways to toss a coin 11 times so that the number of tails is between 4 and 8 inclusive.

Thus, the required answer is 1914.

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Shirabi needs to sell a minimum of 20 purses in order to reach her break-even point, where her total revenue equals her total costs.

To find the break-even point, we need to determine the number of purses that Shirabi needs to sell in order to cover her costs and not incur any loss. The equation representing her break-even point is given as:

208 + 10x

Here, 208 represents the cost of the sewing machine, and 10x represents the total cost of thread, fabric, and accessories for each purse, multiplied by the number of purses sold.

To find the break-even point, we need to set the equation equal to zero:

208 + 10x = 0

Now, let's solve for x:

10x = -208

x = -208/10

x = -20.8

Since the number of purses sold cannot be negative, we can disregard the negative solution. Therefore, Shirabi's break-even point is when she sells 20 purses.

Shirabi needs to sell a minimum of 20 purses in order to reach her break-even point, where her total revenue equals her total costs. Selling fewer than 20 purses would result in a loss, while selling more than 20 purses would generate a profit.

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The budgets of Hong Kong, the United States of America, and Korea differ in contents, formats, advantages, and disadvantages. While each budget has its strengths and weaknesses, they all aim to provide a clear and transparent financial plan for their respective countries.

A budget is a financial plan that estimates expected income and expenditure for a specific period. It may include income, expenses, debts, and savings. Budgets may vary from country to country and can be analyzed by comparing their contents, formats, advantages, and disadvantages. Here are the budgets of Hong Kong, the United States of America, and Korea:

United States Budget:

Korean Budget:

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Answer: D

Step-by-step explanation:

The mass of salt in the tank at time t.

dS/dt = 10 - S/400

S(0) = 100 grams

The solution is S(t) = 4000 - 3900\(e^{\frac{-t}{400}}\)

A tank holds water V(0) = 4000 liters in which salt S(0) = 100 grams.

So dS/dt = S(in) - S(out)

S(in) = 1 × 10 = 10 gram/liters

S(out) = S/V × 10 = 10S/V gram/liters

V = V(0) + q(in) - q(out)

V = 4000 + 10t - 10t

V = 4000 liters

dS/dt = 10 - 10S/V

dS/dt = 10 - 10S/4000

dS/dt = 10 - S/400

Now given; S(0) = 100.

Here, p(t) = 1/400, q(t) = 10

\(\int p(t)dt = \int\frac{1}{400}dt\)\(\int p(t)dt = \frac{1}{400}t\)

\(\mu=e^{\int p(t)dt}\)

\(\mu=e^{\frac{t}{400}}\)

So, S(t) = \(\frac{\int\mu q(t)dt+C}{\mu}\)

S(t) = \(\frac{\int e^{\frac{t}{400}} \cdot10dt+C}{e^{\frac{t}{400}}}\)

S(t) = \(e^{\frac{-t}{400}} \left({\int e^{\frac{t}{400}} \cdot10dt+C}\right)\)

S(t) = \(e^{\frac{-t}{400}} \left({10\times\frac{e^{\frac{t}{400}}}{1/400} +C}\right)\)

S(t) = \(e^{\frac{-t}{400}} \left({4000\times{e^{\frac{t}{400}} +C}\right)\)

Now solving the bracket

S(t) = 4000 + \(e^{\frac{-t}{400}}\)C.....(1)

At S(0) = 100

100 = 4000 + \(e^{\frac{-0}{400}}\) C

100 = 4000 + \(e^{0}\) C

100 = 4000 + C

Subtract 4000 on both side, we get

C = -3900

Now S(t) = 4000 - 3900\(e^{\frac{-t}{400}}\)

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The complete question is:

A tank holds 4000 liters of water in which 100 grams of salt have been dissolved. Saltwater with a concentration of 1 grams/liter is pumped in at 10 liters/minute and the well mixed saltwater solution is pumped out at the same rate. Write initial the value problem for:

The mass of salt in the tank at time t.

dS/dt =

S(0) =

The solution is S(t) =