What is x and y when x+6y+20 = 2x+5y?

Using the formula of area of a circle, about 226.08in² has been eaten

The diameter of the pizza is given as 24 inches. To calculate the area of the entire pizza, we need to use the formula for the area of a circle:

Area = π * r²

where π is approximately 3.14 and r is the radius of the circle.

Given that the diameter is 24 inches, the radius (r) would be half of the diameter, which is 12 inches.

Let's calculate the area of the entire pizza first:

Area = 3.14 * 12²

Area = 3.14 * 144

Area ≈ 452.16 square inches

Now, if half of the pizza is consumed, we need to calculate the area of half of the pizza. To do that, we divide the area of the entire pizza by 2:

Area of half of the pizza = 452.16 / 2

Area of half of the pizza ≈ 226.08 square inches

Therefore, if half of the pizza is consumed, approximately 226.08 square inches of pizza would be eaten.

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Answer:

8π (yards ²)

Step-by-step explanation:

Area of circle = π r ²

Area of sector = (angle / 360) X area of circle

Length of arc = (angle / 360) X circumference of circle

area of circle = π (12) ² = 144π

area of sector =  (20 / 360) X  144π

= 8π (yards ²)

The probability of Marilyn winning is the product of the probability of the coin landing on heads and the probability of drawing a paper slip: Probability of winning = Probability of heads x Probability of drawing paper = 0.5 x 0.333 = 0.1665 or approximately 16.7%Therefore, the probability that Marilyn wins when playing the game is 0.1665 or approximately 16.7%.

The probability that Marilyn wins when playing the game in question can be determined using the rules of probability. Probability is defined as the likelihood of an event occurring given all possible outcomes. The formula for probability is given as:Probability of an event = Number of favorable outcomes/Total number of possible outcomesWhere the total number of possible outcomes is the sum of the number of favorable and unfavorable outcomes.For this game, Marilyn has three choices to draw from the hat: rock, paper, or scissors. Each choice is equally likely to occur, which means that the probability of any one of them being drawn is 1/3 or 0.333. Additionally, there are two possible outcomes when Marilyn flips the coin: heads or tails. Since Marilyn has predicted paper and called heads, she wins if the coin lands on heads and she draws a paper slip.

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The first step in answering this question is to calculate the proportion of customers who prefer fresh vegetables for each sample. The formula for proportion is' p= x/n where p is the proportion, x is the number of customers who prefer fresh vegetables, and n is the sample size. Using this formula, we can calculate the proportion for each sample as follows: For sample

A: p = 11/20 = 0.55For sample B: p = 14/20 = 0.70For sample C :p = 12/20 = 0.60Next, we can use these proportions to estimate the number of regular customers of the store who prefer fresh vegetables.

To do this, we multiply each proportion by the total number of regular customers (600) as follows: For sample

A: Estimated number of customers who prefer fresh vegetables = 0.55 × 600 = 330For sample B: Estimated number of customers who prefer fresh vegetables = 0.70 × 600 = 420For sample C: Estimated number of customers who prefer fresh vegetables = 0.60 × 600 = 360Now we need to describe the variation of the estimates.

the standard deviation of the estimates as follows:SD = sqrt [(330 - 370)² + (420 - 370)² + (360 - 370)² / 3]≈ 47.2Therefore, the estimates for the number of regular customers who prefer fresh vegetables have a standard deviation of approximately 47.2 customers. This means that we can expect the estimates to vary by about 47.2 customers on average due to sampling error.

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Hey there!

3^15/ 3^3

3^15

= 3*3*3*3*3*3*3*3*3*3*3*3*3*3*3

= 9*9*9*9*9*9*9*3

= 81*81*81*27

= 6,561 * 2,187

= 14,348,907

= 14,348,907/3^3

3^3

= 3*3*3

= 9*3

= 27

14,348,907/27

= 531,441

15 - 3 = 12

= 3^12

Because

3^12

= 3*3*3*3*3*3*3*3*3*3*3*3

= 9*9*9*9*9*9

= 81*81*81

= 6,561*81

= 531,441

531,441 ≈ 3^12

Therefore, your answer should be: 3^12

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

The probability that exactly 3 out of the first 11 customers buy a magazine is 2.23%

The proportion of customers that buy a magazine = 8.4%

If 3 out of the first 11 customers buy a magazine, then this proportion is given as; 3/11 or 27.27%

Therefore, the probability that 3 out of the first 11 customers will buy a magazine is calculated as follows;

probability = 8.4% × 27.27%

probability = (8.4/100) × (27.27/100)

probability = 0.084 × 0.2727

probability = 0.0223

Converting it into percentage as follows;

probability = 0.0223 × 100

probability = 2.23%

Therefore, the probability that 3 out of the first 11 customers buy a magazine is calculated to be 2.23%.

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Resisting the temptation to make more purchases than you can afford means you are economizing.

To economize can be described as  as a way to reduce spending  as well as making a  budget-friendly choices.

For instance, one can clip coupons or dine out less to save money, , hence Resisting the temptation to make more purchases than you can afford means you are economizing.

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Answer:

Live within your means.

Step-by-step explanation:

I took the test and got it wrong, but this is the right answer :)

Answer:

A.15

Step-by-step explanation:

These two triangles are congruent triangles. This means that the side measurements can be found through a single multiplicative number.

All you have to do is divide 49 by 23 and get 2.130434783. You need that number to be specific

Next you want to multiply that number by the side length that corresponds to the length you are trying to find. In this case that is 7.  

7 x 2.130434783=14.9

14.9 rounds to 15

Answer:

3:5 & 12:20

Step-by-step explanation:

There are many more but there are 2 ratios that are equivalent. I got 3:5 by dividing 6 in half and 10 in half. And i got 12:20 bye multiplying 6 by 2 and 20 by 2. Hope this helps :3

3/5

since 6 divided by 2 is 3 and 10 divided by 2 is 5

put 62  it does have instructions right

In a unimodal, symmetrical distribution, the mean, median, and mode are the same. In a unimodal, symmetrical distribution, all three measures of central tendency—the mean, median, and mode—are identical and have the same value.

In a unimodal, symmetrical distribution, the data is centered around a single peak and exhibits symmetry, meaning that the left and right sides of the distribution mirror each other. This type of distribution is often referred to as a symmetric distribution. In such cases, the mean, median, and mode all coincide and have the same value. The mean of a distribution is calculated by summing all the data points and dividing by the total number of data points. In a symmetrical distribution, the values on both sides of the peak contribute equally to the mean, resulting in a balanced distribution. The median is the middle value of the data when it is arranged in ascending or descending order. In a symmetrical distribution, the median is located at the peak of the distribution since the left and right sides are mirror images. Therefore, the median is the same as the mean and mode. The mode represents the most frequently occurring value(s) in the distribution. In a symmetrical unimodal distribution, the peak occurs at the center, and since the distribution is symmetrical, there is only one mode, which is located at the peak. Consequently, the mode is also the same as the mean and median.

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The value of quadratic function is,

⇒ y = 9x² + 54x - 63

An algebraic equation with the second degree of the variable is called an Quadratic equation.

We have to given that;

The equation is,

⇒ y = 9 (x - 1) (x + 7)

Now, We can find the quadratic equation as;

⇒ y = 9 (x - 1) (x + 7)

⇒ y = 9 (x² + 7x - x - 7)

⇒ y = 9 (x² + 6x - 7)

⇒ y = 9x² + 54x - 63

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Answer:

you have to find the angels

Step-by-step explanation:

0.05

Hope this helped you- have a good day bro cya)

Based on the given conditions, formulate:

\( \frac{1.25}{25} \)

Convert to decimal:

\(0.05\)

Answer:\(0.05\)

The statement that describes Jaden's error is; Jaiden should have added

zeros to each of the shorter decimals to get 2.615, 2.650, 2.700, and 2.623, then he should have compared them using place values.

What is error?

Actions that are inaccurate or incorrect are considered errors. An error is the same as a mistake in some contexts. The word 'errare,' which means 'to stray,' is where the etymology originates from. In statistics, the term "error" describes the discrepancy between the computed value and the correct value.

The place value indicates the multiple of 10 by which the digit is multiplied. The given numbers have the same values in the ones place value, the difference are in the numbers to the right of the decimal point.

The given numbers are;

2.615

2.65

2.7

2.623

The steps to order the numbers from least to greatest;

Add zeros to the shorter decimals such that each number have the same number of digits after the decimal point; 2.615, 2.650, 2.700 2.623

Then

Select the number with the lowest ones; Which gives all the numbers

Then

From the above list, select the number with the lowest tenth, and move them to the left of the list; Which gives the numbers, 2.615, 2.650, 2.623, 2.700

Next

From the above list, select the number with the lowest hundredth, and move them to the left of the list, in increasing order of the hundredth; Which gives the numbers, 2.615, 2.623, 2.650, 2.700

The numbers 2.615, 2.623,2.650, 2.700,  are in the order from least to

greatest.

Hence, Jaiden's error is that Jaiden should have added zeros to each of the shorter decimals to get 2.615, 2.650, 2.700, and 2.623, then he should have compared them using place values.

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Complete question:

Jaiden is ordering 2.615, 2.65, 2.7, and 2.623 from least to greatest. Here are his steps: (1) Compare and order 2.7 and 2.65 because they have the fewest digits. (2) Compare each digit of the numbers 2.615 and 2.623. * The units digits are equal. * The tenths digits are equal. * 1 < 2 in the hundredths place so 2.615 < 2.623. (3) Combine the two lists into one: 2.7, 2.65, 2.615, 2.623. Which statement describes Jaiden’s error?

(1) The numbers are listed from greatest to list

(2) The two numbers with the most digits should have been compared first

(3) Zeros should have been added to the numbers to get, 2.615, 2.065, 2.007, and 2.623. Then the numbers should be compared using place value

(4) He should have added zeros to each of the shorter decimals to get 2.615, 2.650, 2.700, and 2.623, then he should have compared them using place values.

Answer: the real answer for this will be p=3/2 and s=5

Step-by-step explanation: here

2p=3

2p/2=3b/2 divide both sides by 2

P=3/2

3/2 for p in s=5

S=5

S=5

Answer P=3/2 and s= 5

Got it

Hey there!

“Evaluate 2ps for p=3 and s=5”

• Side note: If p = 3 then SUBSTITUTE where “p” is at in the equation; if s = 5 then SUBSTITUTE where “s” is at in the equation!

• New equation: 2(3)(5)

2(3)(5)

2(3) = 6

6(5) = 30

Answer: A. 30 ☑️

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

Answer:

28

Step-by-step explanation:

Answer:

28

Step-by-step explanation:

180-152=28

28 _________

The population in this scenario is all the students at UCLA.

In this case, the population refers to the entire group of individuals that Bob wanted to study, which is all the students at UCLA. The population represents the larger group from which the sample is drawn. The goal of the study is to investigate levels of homesickness among college students at UCLA.

Bob conducted a random sample by selecting 200 students out of the entire student population at UCLA. This sampling method aims to ensure that each student in the population has an equal chance of being included in the study. By surveying a subset of the population, Bob can gather information about the levels of homesickness within that sample.

To calculate the sampling proportion, we divide the size of the sample (200) by the size of the population (total number of students at UCLA). However, without the specific information about the total number of students at UCLA, we cannot provide an exact calculation.

By surveying a representative sample of 200 students out of all the students at UCLA, Bob can make inferences about the larger population's levels of homesickness. The results obtained from the sample can provide insights into the overall patterns and tendencies within the population, allowing for generalizations to be made with a certain level of confidence.

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Answer:

x=-1

Step-by-step explanation:

i think thats what you mean

False. The derivative of the function f(x) = 5sin(x) + cos(x) is not equal to -5cos(x) - sin(x). The correct derivative of f(x) can be obtained by applying the rules of differentiation.

To find the derivative, we differentiate each term separately. The derivative of 5sin(x) is obtained using the chain rule, which states that the derivative of sin(u) is cos(u) multiplied by the derivative of u. In this case, u = x, so the derivative of 5sin(x) is 5cos(x).

Similarly, the derivative of cos(x) is obtained as -sin(x) using the chain rule.

Therefore, the derivative of f(x) = 5sin(x) + cos(x) is:

f'(x) = 5cos(x) - sin(x).

This result shows that the derivative of f(x) is not equal to -5cos(x) - sin(x).

In summary, the statement that f'(x) = -5cos(x) - sin(x) is false. The correct derivative of f(x) = 5sin(x) + cos(x) is f'(x) = 5cos(x) - sin(x).

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A response variable in statistics is a variable that is being measured or observed in a study. It is thought to be affected by the explanatory variable.

Response variable in statistics is a variable that is being measured or observed in a study. It is also known as the dependent variable or the outcome variable.

This variable is thought to be affected by the explanatory variable, also known as the independent variable.

This allows us to understand if the changes involved are significantly related or not or whether it is due to certain factors.

For example, if a study is examining the effect of exercise on weight loss, the response variable would be weight loss and the explanatory variable would be exercise. The response variable is typically plotted on the y-axis of a graph, while the explanatory variable is plotted on the x-axis.

In summary, a response variable in statistics is a variable that is being measured or observed in a study.

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Answer:

x = 1/10

Step-by-step explanation:

3x - 4/5 = -1/2

-1/2 + 4/5 =

-5/10 + 8/10 =

3/10

3x = 3/10

x = 1/10

The answer is a² + 6. "Sum of a squared and 6" means you square a value and then add 6 to it.

Answer:

I say electrons

Step-by-step explanation:

It has more electrons than protons so it becomes - charged

Answer:

  137.3 m

Step-by-step explanation:

You want the height of a lighthouse when the angles of elevation to the base and top are 62.3° and 65.1°, respectively, from a distance of 550 m.

The height of the point being observed can be found from the tangent relation:

  Tan = Opposite/Adjacent

where the side Opposite the angle of elevation in the right triangle model is the height of the point being observed, and the Adjacent side is the distance to the base of it (at sea level, in this case).

The height of the lighthouse is the difference between the heights being observed:

  Opposite = Adjacent · Tan

  height to lighthouse top = (550 m) · tan(65.1°)

  height to cliff top = (550 m) · tan(62.3°)

The height of the lighthouse above the cliff top is the difference of these heights:

  lighthouse height = (550 m) · tan(65.1°) -(550 m) · tan(62.3°)

  lighthouse height = (550 m)(tan(65.1°) -tan(62.3°)) ≈ 137.3 m

The height of the lighthouse from the top of the cliff is about 137.3 meters.

1. The values which the given number sentences true are:

a) 11 b) 5 c) 36

2. After substituting the value of  x we get the value for y as :

a) 6 b) 0 c) 7 d) 15

3. The number sentences are :

a) x ₋ y = 25

b) 5 × p = q ÷ 2

c) 2y ₋ 14 = 6

d) 15 × 4 = 4 ₋ (x₊y)

Given in the first bit we need to find the variables:

a) h ₊ 8 = 19

arrange the constants on one side.

h = 19 ₋ 8

h = 11

b) 2p ₋ 6 = 4

arrange the constants on one side.

2p = 4 ₊ 6

2p = 10

p = 10/2

p = 5

c) 1/3 y = 12

cross multiply.

y = 36

Now in the second exercise we are asked to substitute the x value and get the value of y.

a) y = 3x ₊ 2 if x =8

substitute x value in the equation.

y = 3(8) ₊ 2

y = 24 ₊ 2

y = 26

b) y = 4x ₋ 1 if  x = 1/4

y = 4(1/4) ₋ 1

y = 1 ₋ 1

y = 0

c) y = 0.2x ₊ 5 if x = 10

y = 0.2(10) ₊ 5

y = 2 ₊ 5

y = 7

d) y = 10x ₊ 12 if x = 0.3

y = 10(0.3) ₊ 12

y = 3 ₊ 12

y = 15

In the last third bit we need to frame equations for the given word problems.

a) The difference between two numbers is 25.

let the two numbers be x and y.

x ₋ y = 25.

b) The product of 5 and p is equal to quotient of q and 2.

5 × p = q ÷ 2

c) The difference between 14 and 2y is equal to 6.

2y ₋ 14 = 6

d) The product of 15 and 4 is equal to four less than the sum of x and y.

15 × 4 = 4 ₋ (x₊y)

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ARCH (Autoregressive Conditional Heteroscedasticity) models are estimated using Maximum Likelihood (ML) estimation. Regarding Question 7, if the model has the given conditional variance function, it corresponds to an ARCH(3) model.

In the case of ARCH models, the ML estimation process involves the following steps:

1. Specify the ARCH model: Determine the appropriate order of the ARCH model by analyzing the autocorrelation and partial autocorrelation functions of the squared residuals (or other suitable diagnostic tests). For example, an ARCH(3) model implies that the conditional variance at time t depends on the squared residuals at time t-1, t-2, and t-3.

2. Formulate the likelihood function: The likelihood function specifies the probability of observing the given data under the assumed ARCH model. In ARCH models, the likelihood function is constructed based on the assumption that the errors follow a normal distribution with mean zero and a time-varying conditional variance.

3. Maximize the likelihood function: The goal is to find the parameter values that maximize the likelihood function. This is typically achieved using numerical optimization techniques, such as the Newton-Raphson algorithm or the BFGS algorithm.

4. Estimate the parameters: Once the likelihood function is maximized, the estimated parameter values are obtained. These estimates represent the best-fitting values that maximize the likelihood of observing the given data.

Therefore, the answer to Question 7 is: ARCH(3).

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Answer:

Rotate 90 degrees clockwise around the origin and then translate down. Reflect across the x-axis and then reflect across the y-axis.

Step-by-step explanation:

Reflection across the y-axis. 90o counter clockwise rotation. 2. Multiple-choice. 1 minute. Q. Identify the transformation from ABC to A'B'C'. Draw the final image created by reflecting triangle RST in the x-axis and then rotating the image 90° counterclockwise about the origin. BER goo Clockwise 90c ...C-level G2-1 Reflections and Rotations ... X-axis. 00. G2-2 Rotations. 4. Rotate the figure 90° clockwise around the origin. ... Rotation 90° counter.

Answer:

The following image below are the answers