PLEASE HELP!! Lesson 4.03
Madame Dumas has a rather extensive art collection, and the overall value of her collection has been
increasing each year. Three years ago, her collection was worth $300,000. Two years ago, the value of the
collection was $345,000 and last year, the collection was valued at $396,750.
Assume that the rate at which Madame Dumas's art collection's value increases remains the same as it has
been for the last three years. The value of the art collection can be represented by a geometric sequence.
The value of the collection three years ago is considered the first term in the sequence.
A) Write an explicit rule which can be used to determine the value of her art collection n years after that.
Show the steps for finding r.
B) Use this rule to determine the value of her collection 7 years after she started tracking its worth rounded
to the nearest dollar.
Page 1 of 2

Answer: sin x= 20/24 x = 34

Step-by-step explanation:

To set the data type of the registerdate field to "date", the syntax would depend on the programming language or database management system being used. However, here are some examples:

In SQL, the syntax would be:

ALTER TABLE tablename MODIFY COLUMN registerdate DATE;

This statement modifies the registerdate column in the tablename table to have a data type of DATE.

In PHP, the syntax for creating a table with a register date column of data type DATE would be:

CREATE TABLE tablename (

   ...,

   registerdate DATE,

   ...

);

This creates a table called tablename with a column called registerdate of data type DATE.

In Python using SQLAlchemy, the syntax for defining a registerdate column of data type Date in a declarative base would be:

from sqlalchemy import Column, Date

class MyTable(Base):

   __tablename__ = 'mytable'

   registerdate = Column(Date)

This creates a MyTable class with a column called registerdate of data type Date.

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To set the data type of the registerdate field to "date", the syntax would depend on the specific programming language or database system being used. However, a common syntax to set the data type to "date" is:
registerdate DATE;
This syntax would typically be used in the creation of a table or the declaration of a variable in a programming language that supports date data types.

To identify a syntax that sets the data type of the 'registerdate' field to "date", you can use the following SQL statement:

```sql
CREATE TABLE your_table_name (
   registerdate DATE
);
```

Here's a step-by-step explanation of the syntax:
1. "CREATE TABLE" is the command to create a new table in the database.
2. "your_table_name" should be replaced with the desired name for your table.
3. Within the parentheses, you define the columns and their data types.
4. "registerdate" is the name of the field that you want to set the data type for.
5. "DATE" is the data type you are setting for the 'registerdate' field.

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The sequences that appear to be converging are:

2/7, 11/16, 26/37, 47/65, 74/101, 107/144, 146/197...

8/7, 64/49, 512/343, 4096/2401, 37768/16807, 262144/117649...

32.45, 31.80, 31.655, 31.654, 31.653, 31.652,...

converging refers to a sequence or series of numbers approaching a limit as more terms are added. It indicates that the values of the sequence or series are getting closer and closer to a specific value or point without ever reaching it.

a sequence is a list of numbers or objects arranged in a specific order. Each element in the sequence is called a term, and the position of the term in the sequence is called its index.

According to the given information:

The first two sequences are examples of converging sequences. In the first sequence, the numerators and denominators increase by a fixed amount for each term, but the ratio of the terms approaches a limit as the sequence progresses. Similarly, in the second sequence, each term is the previous term multiplied by a fixed factor, and the terms approach a limit as the sequence progresses.

The fifth sequence is also an example of a converging sequence, where the terms are decreasing and getting closer to a specific value as the sequence progresses.

The third sequence is not converging since the terms are increasing without bound, and the fourth sequence is oscillating between two values and not getting closer to any specific value.

The sixth sequence starts with a fixed value and increases by a fixed percentage for each term, so the terms are also increasing without bound and not converging to a specific value.

In summary, converging sequences have terms that approach a specific value as the sequence progresses, while non-converging sequences either increase or oscillate without getting closer to any specific value.

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Answer:

P(heads) = 1/2

There are 4 prime numbers less than 10: 2, 3, 5, 7.

P(prime number) = 4/10 = 2/5

1/2 × 2/5 = 1/5

The side length of the second cube is 3.8 in.

Cube is a solid shape that has all its sides equal.

To calculate the side length of the second cube, we use the formula below

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the length is 3.8 in

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Box plot, as the median can be easily ascertained from the substantial amount of data. The answer is option (a).

The middle value in a given set of figures or statistics is referred to as the median. The average value for a given collection of integers can be calculated using one of three main methods in mathematics. The mean, the median, and the mode are the three. Central tendency measurements refer to these three factors. The average value of the supplied data is calculated using mean. The midpoint value of the given data is defined by a median. The input data's repeating value is defined by the mode.

A box plot is a very visual way to show a brief summary of one or more sets of data. It is particularly useful for quickly comparing and summing multiple sets of findings from distinct trials. A box plot provides a visual picture of the distribution of results as well as clues regarding data symmetry at a look.

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Your answer is option b)

The time at which a star rises shifts approximately 4 minutes earlier each day, due to Earth's orbit around the Sun. Since there are roughly 30 days in a month, we can calculate the change in the rise time of Aldebaran over the course of a month.

Step 1: Calculate the time change over one month
30 days * 4 minutes per day = 120 minutes

Step 2: Convert minutes to hours
120 minutes ÷ 60 minutes per hour = 2 hours

Step 3: Subtract the time change from the current rise time
2:00 am - 2 hours = 12:00 am (midnight)

Therefore, you can expect Aldebaran to rise next month at midnight. The correct answer is b) midnight.

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Answer:the first one

Step-by-step explanation:

The correct statements for the given probability are-

The following are the key concepts for probability problems to understand:

Given condition:

Total number of card in deck = 52

Total black cards = 26

Total diamonds = 13

So,

probability ( black card ) = total black card / total cards

probability ( black card ) = 26 /52

probability ( black card ) = 1/2

probability (diamond )  = total number of diamond cards / total cards

probability (diamond )  = 13/ 52

probability (diamond ) = 1/4

probability (compound event) = probability (black  and diamond)

probability (compound event) =  1/2 * 1/4

probability (compound event) = 1/8

Thus, The correct statements for the given probability are-

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Complete question:

From a standard deck of cards, your first draw is a black card. You replace the card, and the second draw is a diamond. Which THREE statements are correct for the outcome of the event?

A) The probability of drawing the black card is 1/2

B) The probability of drawing the diamond is 1/4

C)The probability of the compound event is 1/6

D) The probability of the compound event is 1/8

E) The probability of the compound event is 3/4 ​

The Central Limit Theorem (CLT) is an important theorem in statistics because it serves as the foundation for various statistical techniques and analyses.

The CLT states that the distribution of sample means approaches a normal distribution as the sample size increases, regardless of the population's original distribution, provided that the population has finite mean and variance.
Normality:

The CLT establishes the concept of normality, which is a critical assumption in numerous statistical tests such as the t-test, z-test, and ANOVA. By knowing that the sample means are normally distributed, we can apply these tests to make inferences about population parameters.
Simplification:

Due to the CLT, we can simplify complex statistical problems by using normal distributions instead of dealing with the original population distribution.

Calculations more manageable and allows us to utilize the standard normal distribution table.
Confidence intervals:

The CLT enables us to construct confidence intervals for population parameters such as the mean.

Essential in estimating unknown population parameters based on sample data and understanding the associated uncertainty.
Margin of error:

The theorem helps in determining the margin of error for estimates, allowing us to quantify the accuracy of our estimates and make better decisions based on data.
Large sample sizes:

The CLT is particularly relevant when dealing with large sample sizes, as the distribution of sample means becomes more normal, and we can apply various statistical techniques with greater confidence.
The Central Limit Theorem is important in statistics because it enables us to assume normality, simplify problems, construct confidence intervals, determine the margin of error, and apply various statistical techniques with greater confidence, especially when dealing with large sample sizes.

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Answer:  B.

200,237.36

Step-by-step explanation: just got it right on the quiz

The domain of the data set {(-10,-6),(-4,-10),(3,8),(9,-2)} are  {-10, -4, 3, 9} and the range are  {-6, -10, 8, -2}.

The domain of a function is the set of all possible inputs for the function. In other words, the domain of a function is the independent value of a function. The domain are usually the x values.

The range of a function refers to all the possible values y could be. Therefore, the range is the dependent values. The range are usually the y values.

Hence,

The domain of the data set are {-10, -4, 3, 9}

The range of the data sets are {-6, -10, 8, -2}

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13) The best prediction is that the college will need about 480 cookies.

14) The correct answer is Bus 47, with a median of 16.

For Question 13:

The total number of students surveyed is 225. Out of these, 27 students prefer cookies. So, we can estimate that approximately (27/225) * 4000 = 480 students will prefer cookies.

Therefore, the best prediction is that the college will need about 480 cookies.

For Question 14:

The correct graph for displaying the data is a bar graph with the title "Favorite Sport" and the x-axis labeled "Sport" and the y-axis labeled "Number of Students". The first bar should be labeled "Basketball" and go to a value of 17, the second bar should be labeled "Baseball" and go to a value of 12, the third bar should be labeled "Soccer" and go to a value of 27, and the fourth bar should be labeled "Tennis" and go to a value of 44.

For Question 15:

We can see that the median for Bus 18 is (10+12)/2 = 11 and the median for Bus 47 is (16+16)/2 = 16. Therefore, Bus 47 typically has the faster travel time.

The correct answer is Bus 47, with a median of 16.

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Answer:

12

Step-by-step explanation:

to divide by a fraction use the acronym K.C.F or keep change flip to re-arrange the problem.

[tex]\frac{3}{\frac{1}{4} }[/tex] can be re-written as

[tex]\frac{3}{1} *\frac{4}{1}[/tex]

or 3*4 which equals 12

Answer:

There are 775 - 91 + 1 = 685 integers.

In the given range, the smallest multiple of 14 is 98, and the largest multiple of 14 is 770. ((770-98)/14) + 1 = 49 multiples of 14.

So the probability of choosing a multiple of 14 from this range is 49/685.

Answer:

100ft²

Step-by-step explanation:

to find the area of the figure you must do the area of the small rectangle plus the area of the large rectangle

area = length* width

so the area of the small rectangle equals

7ft * 4ft = 28ft²

then the large rectangle

9ft*8ft=72ft²

28ft²+72ft²=100ft²

The value of k is 20.

An equation is a mathematical statement that shows that two expressions are equal. It contains one or more variables and may involve arithmetic operations such as addition, subtraction, multiplication, division, or exponents. The goal of solving an equation is to determine the value of the variable that makes the equation true. Equations are commonly used in algebra and other mathematical fields to model real-world situations and solve problems. They can be written in various forms, including standard form, slope-intercept form, point-slope form, and general form, among others.

Since the sum of two angles on a straight line is always 180 degrees, we can set up an equation:

First angle + Second angle = 180

112 + 3k + 8 = 180

Simplifying the equation, we get:

3k + 120 = 180

Subtracting 120 from both sides, we get:

3k = 60

Dividing both sides by 3, we get:

k = 20

Therefore, the value of k is 20.

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The probability that a lightbulb will last between 1,950 and 2,050 hours is 0.84, or 84%.

To solve this problem, we need to find the probability that the lifespan of a lightbulb will fall between 1,950 and 2,050 hours.

First, we need to standardize the distribution using the z-score formula:

z = (x - μ) / σ

where x is the value we are interested in, μ is the mean, and σ is the standard deviation.

For x = 1,950 hours:

z = (1,950 - 1,975) / 25 = -1

For x = 2,050 hours:

z = (2,050 - 1,975) / 25 = 3

Now, we need to find the area under the standard normal distribution curve between z = -1 and z = 3. We can use a standard normal distribution table or a calculator to find this area.

Using a standard normal distribution table, we find that the area to the left of z = -1 is 0.1587 and the area to the left of z = 3 is 0.9987. Therefore, the area between z = -1 and z = 3 is:

0.9987 - 0.1587 = 0.84

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Answer:

The best example of a defined benefits plan is: "a set amount an employee will receive at retirement".

In a defined benefits plan, the employer promises to pay employees a specific, predetermined amount of money upon retirement. This amount is typically based on factors such as the employee's salary and years of service. The employer is responsible for contributing to and managing the retirement fund, and the employee receives a guaranteed amount of money upon retirement, regardless of how the fund performs.

The other options listed are not examples of defined benefits plans. The wages and benefits an employee receives at a job are part of their compensation package and may include retirement benefits, but they do not guarantee a specific amount of money at retirement. The amount of pay an employee receives each hour is their hourly wage and is not related to retirement benefits. The money an employer puts into a retirement fund for each employee may be part of a defined benefits plan, but it is not a complete plan in and of itself.

The area of figures are calculated a follows:

1. 78.5 m²    2. 66.5 m²    3. 35 m²    4. 153.86 m²    5. 70 m²

1. The area of the circle = πr²

= 3.14 * 5²

= 78.5 m²

2. The figure is a trapezoid, therefore:

Area of the trapezoid = 1/2 * (a + b) * h

= 7(5 + 14)/2

= 66.5 m²

3. Area of triangle = 1/2 * base * height = 1/2 * 14 * 5 = 35 m²

4. The area of the circle = πr²

= 3.14 * 7²

= 153.86 m²

5. Area of parallelogram = base * height = 14 * 5 = 70 m²

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The square root of the number 23 is 5 after using the division method the answer is 25.

A number is a mathematical entity that can be used to count, measure, or name things. For example, 1, 2, 56, etc. are the numbers.

It is given that:

The number is 23 which is a real number and positive number.

As we know we can find the square root of a positive numbers only, the square root of a negative number cannot exist

The square root of the number 23 = [tex]\sqrt{23}[/tex]

The sign √ is a radical sign.

After using the division method:

[tex]\sqrt{23} = 4.7958[/tex]

After reducing the number up to two decimal places:

[tex]= 4.79[/tex]

Rounding the above number to the whole:

[tex]= 4.79 \thickapprox 5[/tex]

[tex]5\times5 = 25[/tex]

Thus, the square root of the number 23 is 5 after using the division method the answer is 25.

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the probability that no two people of the same sex sit next to each other is 2/7.

One way to solve this problem is to use the principle of inclusion-exclusion. Let A be the event that the boys sit next to each other, and let B be the event that the girls sit next to each other. Then, we want to find the probability of the complement of (A or B), which is the probability that neither A nor B occurs.

The probability of A occurring is the same as the probability of the 5 boys sitting in a row, which is 5! (since each order is equally likely). Similarly, the probability of B occurring is 5!. However, we need to subtract the probability of A and B occurring simultaneously. This can be seen as follows: once the boys are seated in a row, there are 6 spaces (between or on the ends) where the girls can be seated. Thus, the probability of A and B occurring is 2*5!*6.

Therefore, the probability of neither A nor B occurring (i.e., the probability that no two people of the same sex sit next to each other) is:

P(neither A nor B) = 1 - P(A or B) = 1 - [P(A) + P(B) - P(A and B)]

= 1 - [(25!) / 10! - (25!6) / 10!]

= 1 - [25!*(1 - 6/9!)]

= 2/7

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The femur length for someone with a height of 187 cm is; 55 cm

The formula for the equation of a line formed by 2 coordinates is;

(y2 - y1)/(x2 - x1) = (y - y1)/(x - x1)

Using the coordinates (30, 127) and (35, 139), we have;

(139 - 127)/(35 - 30) = (y - 127)/(x - 30)

12/5 = (y - 127)/(x - 30)

12(x - 30) = 5(y - 127)

12x - 360 = 5y - 635

5y = 12x + 275

Thus, when the height is y = 187 cm, we have;

5(187) = 12x + 275

935 = 12x + 275

12x = 935 - 275

12x = 660

x = 660/12

x = 55 cm

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Answer:

Subtract 12 from both sides of the equation

Step-by-step explanation:

Solve for x:

12+x=15

-12       -12

x = 3

Brainlist please.

Answer:

D) Subtract 12 from both sides of the equation.

To solve for x in the equation 12 + x = 15, we need to isolate the variable x on one side of the equation. We can do this by subtracting 12 from both sides of the equation, which gives:

12 + x - 12 = 15 - 12

x = 3

Therefore, the solution for x is 3.

The mean score of the given three scores is approximately 26.6, which is not the mean score for all ninth graders in the city.

To find the mean score for all ninth graders in the city, we need more information than just three scores. Without additional data, we cannot accurately determine the mean score for all ninth graders in the city.

However, we can calculate the mean of the given scores to verify that it is not 79.7 as claimed by the PR manager:

Mean = (77 + 91 + 71) / 3 = 79.7/3 = 79.7 ÷ 3 ≈ 79.7/3 ≈ 26.6

So the mean score of the given three scores is approximately 26.6, which is not the mean score for all ninth graders in the city.

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Answer:

the two-digit number is 65.

Step-by-step explanation:

Let's assume that the tens and units digits of the two-digit number are x and y, respectively.

According to the given condition,

10x + y < 6(x + y) - 1 (less than 6 times the sum of its digits by 1)

Simplifying the above equation, we get:

4x - 5y < -1 (dividing both sides by 2)

Also, it is given that the difference between the digits is 1, so we can write:

x - y = 1 (difference between the digits is 1)

Now, we need to solve these two equations to find the values of x and y.

Multiplying the second equation by 4, we get:

4x - 4y = 4

Adding this equation to the first equation, we get:

4x - 5y + 4x - 4y = 3

Simplifying the above equation, we get:

8x - 9y = 3

Now, we can solve these two equations simultaneously to find the values of x and y.

Multiplying the second equation by 8, we get:

8x - 8y = 8

Subtracting this equation from the previous equation, we get:

y = 5

Substituting this value of y in the equation x - y = 1, we get:

x - 5 = 1

x = 6

Therefore, the two-digit number is 65.