why universal class includes proper class (a class that is not a set)?

Answers

Answer 1

The universal class is considered a proper class because it contains all sets but cannot itself be treated as a set due to the limitations imposed by set theory. Recognizing it as a proper class ensures the consistency and avoids the paradoxes that would arise if it were treated as a set.

In set theory, classes are collections of objects that share a common property or satisfy a specific condition. A proper class is a class that is not a set, meaning it cannot be treated as an object within the theory of sets. One example of a proper class is the universal class, denoted as "V" in Von Neumann–Bernays–Gödel set theory (NBG) or "U" in Morse–Kelley set theory (MK).

The universal class is defined as the class that contains all sets. It encompasses every possible set that can be constructed within the theory of sets. It is important to note that the universal class itself is not considered a set because it would lead to logical inconsistencies and paradoxes, such as Russell's paradox.

To understand why the universal class is considered a proper class, we need to delve into the foundations of set theory. In most set theories, including Zermelo-Fraenkel set theory (ZF), which is the most commonly used, there is a principle called the limitation of size. This principle ensures that only sets of a certain size can be considered objects within the theory.

The limitation of size prevents the universal class from being considered a set because it would violate the size restrictions. If the universal class were a set, it would contain itself as an element, leading to the well-known Russell's paradox. Russell's paradox arises from the assumption that there exists a set of all sets that do not contain themselves as elements. If the universal class were a set, it would both contain and not contain itself, creating a contradiction.

To avoid such paradoxes and maintain consistency within set theory, the universal class is treated as a proper class. This means that it is not regarded as an object that can be manipulated or operated upon like a set. Instead, it serves as a collection that encompasses all sets, acting as a foundational concept within set theory.

In summary, the universal class is considered a proper class because it contains all sets but cannot itself be treated as a set due to the limitations imposed by set theory. Recognizing it as a proper class ensures the consistency and avoids the paradoxes that would arise if it were treated as a set.

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Related Questions

‼️‼️WILL MARK BRAINLIEST, IF HELPFUL‼️‼️

Answers

Answer:

The ratios are given in the explanation for both part a and b

Step-by-step explanation:

we take the two part to part ratios as blue/white and white/blue

and the part to whole ratio as blue/whole and white/whole

we take 1 box as 1 (look below for clarity)

a.

blue/white = 5 boxes/4 boxes

white/blue = 4 boxes/5 boxes

(we omit the word "boxes" from now on)

blue/whole = 5/9

white/whole = 4/9

b.

blue/white = 8/7

white/blue = 7/8

blue/whole = 8/15

white/whole = 7/15

7)A point is chosen randomly inside rectangle ABCD with vertices A(4, 8), B(4, -3), C(-5, -3), and
D(-5, 8). whats the probability The point does not lie in circle P with center P(-2, 5) and radius 3.

Answers

Answer:

≈0.71441

Step-by-step explanation:

1. to calculate the area of the given circle;

2. to calculate the area of the rectangle ABCD;

3. to divide the area of the circle by the area of the rectangle ABCD

and to calculate the rest part.

All the details are in the attachment.

PLS NASWER
WORTH 83 POINTSS

Answers

Answer:

19:37

Step-by-step explanation:

we add 1 hour and 54 minutes to 17:30, then we add the 13 minute break and we have the end time of the movie

17:30 + 01:54 = 19:24

19:24 + 00:13 = 19:37 (your answer)

Answer:

19:37

Step-by-step explanation:

To calculate the time when the movie finished, we need to add the duration of the movie to the time when Sebastian started watching, taking into account the pause duration.

The movie duration is 1 hour and 54 minutes, which is equivalent to 1 hour + 54 minutes = 114 minutes.

Sebastian paused the movie for 13 minutes.

To find the total elapsed time, we add the movie duration and the pause duration:

114 minutes (movie duration) + 13 minutes (pause duration) = 127 minutes.

Now, we need to add the elapsed time of 127 minutes to the starting time of 17:30.

17:30 + 2 hours and 7 minutes (127 minutes) = 19:37.

Therefore, the movie finished at 19:37 on the 24-hour clock.

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identify the letters of English alphabet which has parallellines intersectinglines and perpendicularlines

Answers

The letters of English alphabet that have parallel lines and intersecting lines and perpendicular lines are: E, F, H, I, L, and T

How to identify Parallel and Perpendicular Lines?

Parallel lines are demonstrated as the lines that are at the same distance apart from each other. These lines never intersect or meet each other in a plane.

In English alphabet, the letters E, F, H, I, M, N, W, Z are examples of parallel lines.

Intersecting lines are elucidated as the lines that cross or intersect each other at a common point in a plane. Letter X correctly exemplifies this sharing of a common point.

Perpendicular lines are described as the lines which meet or intersect each other at an angle of 90 degrees. The letters E, F, H, I, L, and T demonstrate this intersection.

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Which shows the correct way to
calculate the percent change if the
original value of your stock was $750
and the new value of your stock is
$1,000?
A. (1,000+ 750)/750 = 230%
B. (750-1,000)/1,000 = -25%
C. (1,000-750)/750 = 33%

Answers

The correct way to calculate the percent change between the original value of $750 and the new value of $1,000 is option C.

C. (1,000 - 750)/750 = 250/750 = 1/3 ≈ 0.3333 = 33.33%

Therefore, the correct answer is option C, which represents a percent change of approximately 33.33%.

Subtract: (6f2-9f + 10)-(-2f²-f+3)
O8f²-8f +7
O 4f2 - 10f +7
O 4f2 - 10f + 13
O8f² -10f + 7

Answers

Step-by-step explanation:

therefore, the correct option is option number 1.


You have a compound with a concentration of 3 g hydrocortisone powder in 150 g of petrolatum.
Determine the percentage strength of this compound.

Answers

The percentage strength of the compound is approximately 1.96%.

We have,

To determine the percentage strength of the compound, we need to calculate the ratio of the mass of the active ingredient (hydrocortisone powder) to the total mass of the compound and express it as a percentage.

Given:

Mass of hydrocortisone powder = 3 g

Mass of petrolatum = 150 g

Total mass of the compound

= Mass of hydrocortisone powder + Mass of petrolatum

= 3 g + 150 g = 153 g

To calculate the percentage strength, we divide the mass of the hydrocortisone powder by the total mass of the compound and multiply by 100:

Percentage strength = (Mass of hydrocortisone powder / Total mass of the compound) x 100

Percentage strength = (3 g / 153 g) x 100

Percentage strength ≈ 1.96%

Therefore,

The percentage strength of the compound is approximately 1.96%.

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A company determined that the marginal cost, C'(x) of producing the xth unit of a product is given by C'(x)=x^3-2x. Find the total cost function C, assuming that C(x) is in dollars and that fixed
costs are $6000.

Answers

The total cost function C(x) is given by the equation (1/4)x⁴ - (1/2)x² + 6000.

To find the total cost function C(x), we need to integrate the marginal cost function C'(x) with respect to x.

The integral of x³ - 2x can be found by applying the power rule of integration:

∫ (x³ - 2x) dx = (1/4)x⁴ - (1/2)x² + C

Where C is the constant of integration. Since the fixed costs are given as $6000, we can add this constant to the integral to obtain the total cost function C(x):

C(x) = (1/4)x⁴ - (1/2)x² + 6000

Therefore, the total cost function C(x) is given by the equation (1/4)x⁴ - (1/2)x² + 6000.

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noel has $60.00 in a savings account that earns 5% interest compounded annually. what will the balance be after 3 years

Answers

60x0.05=3
63x0.005=3.15
66.15x0.05=3.3
69.45

sur le bord des routes se trouvent des bornes kilometriques formées d'un pavé et d'un demi-cylindre. calculer le volume de matiere qui la compose

Answers

Pour calculer le volume de matière qui compose une borne kilométrique formée d'un pavé et d'un demi-cylindre, nous devons connaître les dimensions de la borne. Pouvez-vous fournir les dimensions spécifiques du pavé et du demi-cylindre qui composent la borne kilométrique?

. Sam went to his mathematics teacher and asked him "Sir, I want some chocolates to distribute among my classmates for my birthday but I have no money. Can you provide me some chocolates"? Teacher told Sam, I am giving you two numbers 7+√22 and 7-√22 and if you can find the value of sum of their squares, then I will provide you as many chocolates as the resulting value of sum of squares of given numbers. Find the number of
chocolates Sam will get.

Answers

Sam will receive 142 chocolates.

To find the number of chocolates Sam will get, we need to calculate the sum of squares of the given numbers: 7 + √22 and 7 - √22.

Let's calculate the square of the first number:

(7 + √22)^2 = (7 + √22)(7 + √22)

Using the formula (a + b)(a + b) =[tex]a^2 + 2ab + b^2[/tex]:

= 7^2 + 2(7)(√22) + (√22[tex])^2[/tex]

= 49 + 14√22 + 22

= 71 + 14√22

Now, let's calculate the square of the second number:

(7 - √22[tex])^2[/tex] = (7 - √22)(7 - √22)

Using the formula (a - b)(a - b) = [tex]a^2 - 2ab + b^2[/tex]:

= 7^2 - 2(7)(√22) + (√22[tex])^2[/tex]

= 49 - 14√22 + 22

= 71 - 14√22

Now, we can find the sum of the squares:

(71 + 14√22) + (71 - 14√22)

= 71 + 71 + 14√22 - 14√22

= 142

Therefore, Sam will receive 142 chocolates.

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Which equation represents a line which is parallel to the line

Y = -5x - 7

Answers

Y = -5x + 3 is the equation represents a line which is parallel to the line Y = -5x - 7 with y intercept 3

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

We have to find the equation which  represents a line which is parallel to the line Y = -5x - 7 with y intercept 3

We know that the parallel lines will have same slope

In the above equal -5 is the slope and y intercept -7

The equation of parallel line y =-5x+3

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Which equation represents a line which is parallel to the line

Y = -5x - 7 and of intercept 3

3.3.2 √4x √4 calculate ​

Answers

Hello!

√4 = ±2

√4x = ±2x

If Ryan is planning on retiring soon he needs to compute his Social Security benefit that he will receive monthly. Ryan has averaged $4,690 over his last
35-years of working. Using the formula, calculate his retirement benefit.
90% of the first $926
32% of the amount between $926 and $5,583
15% of the amount over $5,583

Answers

Ryan's Social Security retirement benefit, computed using the given formula, is $2,188.89 per month.

How to compute Ryan's Social Security retirement benefit?

To calculate Ryan's Social Security retirement benefit, we'll break it down into three parts based on the given formula:

First, we shall estimate 90% of the first $926 of Ryan's average monthly earnings:

Benefit from level 1= 0.9 * $926

Next, we find out 32% of  the amount between $926 and $5,583:

Benefit from level 2= 0.32 * ($5,583 - $926)

Lastly, we compute 15% of the amount over $5,583:

Benefit from level 3= 0.15 * (Ryan's average monthly earnings - $5,583)

Ryan's retirement benefit is the sum of the benefits from all three level:

Retirement benefit = Benefit from level 1 + Benefit from level 2 + Benefit from level 3

Benefit from level 1:

= 0.9 * $926 = $833.40

Benefit from level 2:

= 0.32 * ($5,583 - $926) = 0.32 * $4,657 = $1,489.44

Benefit from level 3:

= 0.15 * (Ryan's average monthly earnings - $5,583)

= 0.15 * ($4,690 - $5,583)

= 0.15 * (-$893)

= -$133.95 (Ryan's average monthly earnings are less than $5,583, this amount is negative)

We now calculate the retirement benefit:

Retirement benefit = Benefit from level 1 + Benefit from level 2 + Benefit from level 3

= $833.40 + $1,489.44 - $133.95

= $2,188.89

Therefore, Ryan's Social Security retirement benefit is $2,188.89 per month.

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5.5.2 Question 6 of 15 A bag contains 6 blue marbles, 5 yellow marbles, 3 white marbles, and 1 red marble. What is the probability of not selecting a blue marble? O A. OB. B. O C. C. D. 236 25 23 Probability 33112 SUBMIT

Answers

The probability of not selecting a blue marble is 3/5

What is Probability?

Probability is a measure of the likelihood of an event to occur. Many events cannot be predicted with total certainty. It is the rate of the number of favorable outcomes to the total number of outcomes of an event.

How to determine this

A bag contains 6 blue marbles, 5 yellow marbles, 3 white marbles and 1 red marble

i.e 6 + 5 + 3 + 1 = 15 marbles

To calculate the probability of not selecting a blue marble

When blue marbles = 6

= [tex]\frac{15-6}{15}[/tex]

= [tex]\frac{9}{15}[/tex]

= 3/5

= 0.65

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Find x in the diagram below ​

Answers

The value of the angle x is 30 degrees

How to determine the value

To determine the value of the variable x, we need to know the triangle sum theorem.

The triangle sum theorem is a theorem in mathematics stating that the sum total of the interior angles in a triangle is equivalent to 180 degrees.

We should also note that angle at right angle is 90 degrees

Then, we have the angles written as;

90 degrees

2x degrees

x degrees

Equate the angles , we have;

2x + x + 90 = 180

collect the like terms, we have;

2x + x = 180 - 90

add or subtract the like terms, we have;

3x = 90

divide by the coefficient

x = 30

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Solution for this system of equations 2/3x + 3/5 y = 12 and 5/2y - 3x = 6

Answers

Answer:

To solve the system of equations:

2/3x + 3/5 y = 12 --- equation (1)

5/2y - 3x = 6 --- equation (2)

We can use the method of substitution or elimination. Here, we will use the elimination method to eliminate one variable and solve for the other.

Multiplying equation (1) by 5 and equation (2) by 3, we get:

10/3x + 9/5y = 60 --- equation (3) obtained from (1) by multiplying both sides by 5

15/2y - 9x = 18 --- equation (4) obtained from (2) by multiplying both sides by 3

Now, we can eliminate y by multiplying equation (3) by 10/9 and adding it to equation (4):

(10/3x + 9/5y) x 10/9 + (15/2y - 9x) = 0

Simplifying this equation, we get:

20x/9 - 27x/5 = -100/3

Multiplying both sides by 45, we get:

20x(5) - 27x(9) = -1500

Simplifying and solving for x, we get:

-65x = -1500

x = 23.08 (rounded to two decimal places)

Substituting x = 23.08 into equation (1), we can solve for y:

2/3(23.08) + 3/5 y = 12

15.39 + 0.6y = 12

0.6y = -3.39

y = -5.65 (rounded to two decimal places)

Therefore, the solution to the system of equations is x = 23.08 and y = -5.65.

So, the solution to the system of equations is (23.08, -5.65).

Hope this helps.

[tex]\sqrt{x} -3\sqrt[4]{x} -4=0\\[/tex]

Answers

Answer:

Step-by-step explanation: [tex](\sqrt[4]{x})^{2} - 3\sqrt[4]{x} -4=0[/tex]

[tex]\sqrt[4]{x} = u[/tex] ⇒ u² - 3u -4 =0 ⇒ [tex]\left \{ {{u=4} \atop {u=-1}} \right.[/tex] choose u=4 ( [tex]\sqrt{x} > 0[/tex] )

⇒ x=256

write 2x+xto the power of 3 minus 1 in descending oreder

Answers

Answer:

x^3 + 2x - 1.

Step-by-step explanation:

To simplify the expression 2x + x^3 - 1, we can first rearrange the terms in decreasing order of the exponents:

x^3 + 2x - 1

So the simplified expression, rearranged in descending order, is x^3 + 2x - 1.

Solve the system of equations x-y=-1 and x+8y=35 by combining the equations

Answers

Answer:

  (x, y) = (3, 4)

Step-by-step explanation:

You want to solve the system of equations by combining the equations:

x -y = -1 x +8y = 35

Observation

The coefficients of x have the same value (1), so we can eliminate x by multiplying one of the equations by -1 and adding the result. Since we want the resulting coefficient of y to be positive, we choose to multiply the first equation by -1.

  [tex]\begin{array}{c,l,l,l}-1&(x&-y&=-1)\\+1&(x&+8y&=35\,)\end{array}[/tex]

Combined equations

Then the sum is ...

  [tex]\begin{array}{rcl}-x&+y&=1\\x&+8y&=35\\\cline{1-3}0x&+9y&=36\end{array}[/tex]

Solution

The solution to this is ...

  y = 36/9 = 4

  x = y -1 = 4 -1 = 3 . . . . . . from the first equation

The solution is (x, y) = (3, 4).

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Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts, follows a normal distribution, with a mean of 4.42 million visitors per day and a standard deviation of 800,000 visitors per day.
Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts, follows a normal distribution, with a mean of 4.42 million visitors per day and a standard deviation of 800,000 visitors per day.
(a) What is the probability that the web site has fewer than 5 million visitors in a single day? If needed, round your answer to four decimal digits.
(b) What is the probability that the web site has 3 million or more visitors in a single day? If needed, round your answer to four decimal digits.
(c) What is the probability that the web site has between 3 million and 4 million visitors in a single day? If needed, round your answer to four decimal digits.
(d) Assume that 85% of the time, the Smiley’s People web servers can handle the daily web traffic volume without purchasing additional server capacity. What is the amount of web traffic that will require Smiley’s People to purchase additional server capacity? If needed, round your answer to two decimal digits.

Answers

To solve these probability questions, we will use the given mean, standard deviation, and the properties of the normal distribution. The z-score formula will help us standardize the values.

(a) To find the probability that the web site has fewer than 5 million visitors in a single day, we need to find the area under the normal curve to the left of 5 million.

z = (x - μ) / σ
z = (5,000,000 - 4,420,000) / 800,000

Using a z-score table or calculator, we find that the z-score is approximately 0.7257.

Now, we can find the probability by looking up the z-score in the standard normal distribution table (cumulative distribution function, CDF), or using a calculator:

P(X < 5,000,000) = P(Z < 0.7257) ≈ 0.7673

Therefore, the probability that the web site has fewer than 5 million visitors in a single day is approximately 0.7673.

(b) To find the probability that the web site has 3 million or more visitors in a single day, we need to find the area under the normal curve to the right of 3 million.

z = (x - μ) / σ
z = (3,000,000 - 4,420,000) / 800,000

Using the z-score table or calculator, we find that the z-score is approximately -1.775.

P(X ≥ 3,000,000) = P(Z ≥ -1.775)

Since the total area under the curve is 1, we can subtract the area to the left of -1.775 from 1:

P(X ≥ 3,000,000) = 1 - P(Z < -1.775)

Using the z-score table or calculator, we find P(Z < -1.775) ≈ 0.0384.

P(X ≥ 3,000,000) = 1 - 0.0384 ≈ 0.9616

Therefore, the probability that the web site has 3 million or more visitors in a single day is approximately 0.9616.

(c) To find the probability that the web site has between 3 million and 4 million visitors in a single day, we need to find the area under the normal curve between these two values.

We already calculated the z-score for 3 million visitors in part (b). Now, we'll calculate the z-score for 4 million visitors:

z1 = (3,000,000 - 4,420,000) / 800,000
z1 ≈ -1.775

z2 = (4,000,000 - 4,420,000) / 800,000
z2 ≈ -0.525

Using the z-score table or calculator, we find P(Z < -1.775) ≈ 0.0384 and P(Z < -0.525) ≈ 0.2995.

P(3,000,000 ≤ X ≤ 4,000,000) = P(-1.775 ≤ Z ≤ -0.525)
≈ P(Z < -0.525) - P(Z < -1.775)
≈ 0.2995 - 0.0384

Therefore, the probability that the web site has between 3 million and 4 million visitors in a single day is approximately 0.2611.

(d) To find the amount of web traffic that will require Smiley’s People to purchase additional server capacity, we need to find the value (x) such that 85%

i need ans asap
4p + 2q = 2

8 = 5p + 7q

Find q, round answers to 1 decimal place.

Answers

Answer:

The answer is 3.1 to 1d.p

Step-by-step explanation:

1)4p+2q=2

2)5p+7q=8

3)7(4p+2q=2)

4)2(5p+7q=8)

3)28p+14q=14

4)10p+14q=16

18p=2

divide both sides by 18

18p/18=2/18

p=1/9

substitute into equation 1

4(1/9)+2q=2

4/9+2q=2

2q=2-4/9

2q=14/9

divide both sides by 2

2q/2=14/9/2

q=28/9

q=3.1 to 1d.p

NO LINKS!! URGENT HELP PLEASE!!

41. Sophie invested $5000 into an account that will increase in value by 2.3% each year. Write a function to model this situation, then find when will the account will have $15,000?

42. A baseball that was valued in 1980 has increased by 7% each year. Write a function to model this situation then find when the card will be worth $2000?

Answers

Answer:

41. 48 years and 3 months.

Step-by-step explanation:

41.

let's use the compound interest formula. The formula for compound interest is:

[tex]\bold{A = P * (1 + r)^n}[/tex]

Where:

A is the final amount

P is the principal (initial investment)

r is the interest rate per period

n is the number of periods

we have,

P= $5000

A=$15000

r=2.3%

Now substituting value

[tex]15000=5000(1+\frac{2.3}{100})^n\\15000=5000(1.023)^n\\\frac{15000}{5000}=(1.023)^n\\3=(1.023)^n[/tex]

doing logarithms of both sides of the equation.

We can use the natural logarithm (ln) to solve for n. The equation becomes:

[tex]ln(3) = ln(1.023)^n[/tex]

Using the logarithmic property[tex]lna^b = b * ln(a),[/tex] we can rewrite the equation as:

ln(3) = n * ln(1.023)

n=[tex]\frac{ln \:3}{ln\:1.023}[/tex]

n=48.313 years approximately 48 years and 3 months.

Answer:

41. 49 years

42. 34 years and 12 days

Step-by-step explanation:

As the account increases by a constant percentage each year, we can use the exponential growth formula to write a function to model the situation.

[tex]\boxed{\begin{minipage}{8 cm}\underline{Exponential Growth Formula}\\\\$ f(t)=a\left(1+r\right)^{t}$\\\\where:\\\\ \phantom{ww}$\bullet$ $f(t)$ is the account balance. \\ \phantom{ww}$\bullet$ $a$ is the principal amount.\\ \phantom{ww}$\bullet$ $r$ is the interest rate (in decimal form). \\ \phantom{ww}$\bullet$ $t $ is the time (in years). \\ \end{minipage}}[/tex]

Given values:

f(t) = $15,000a = $5,000r = 2.3% = 0.023

Substitute the given values into the formula, and solve for t:

[tex]\begin{aligned}f(t)&=a(1+r)^t\\\\\implies 15000&=5000(1+0.023)^t\\15000&=5000(1.023)^t\\3&=(1.023)^t\\\\\textsf{Take natural logs:} \quad \ln (3)&=\ln (1.023)^t\\\ln (3)&=t\ln (1.023)\\t&=\dfrac{\ln (3)}{\ln (1.023)}\\t&=48.3129760...\end{aligned}[/tex]

The account balance will reach $15,000 during the 48th year. As the interest is applied annually, we need to round up to the nearest whole year. Therefore, the account balance will reach $15,000 after 49 years.

Note: At the end of 48 years, the account balance will be $14,893.63, and after 49 years it will be $15,236.18.

[tex]\hrulefill[/tex]

As the baseball's value increases by a constant percentage each year, we can use the exponential growth formula to write a function to model the situation.

[tex]\boxed{\begin{minipage}{8 cm}\underline{Exponential Growth Formula}\\\\$ V(t)=a\left(1+r\right)^{t}$\\\\where:\\\\ \phantom{ww}$\bullet$ $V(t)$ is the value of the baseball card. \\ \phantom{ww}$\bullet$ $a$ is the initial value of the card in 1980.\\ \phantom{ww}$\bullet$ $r$ is the interest rate (in decimal form). \\ \phantom{ww}$\bullet$ $t $ is the time (in years). \\ \end{minipage}}[/tex]

Given values:

V(t) = $2,000a = $200r = 7% = 0.07

Substitute the given values into the formula, and solve for t:

[tex]\begin{aligned}V(t)&=a(1+r)^t\\\\\implies 2000&=200(1+0.07)^t\\2000&=200(1.07)^t\\10&=(1.07)^t\\\\\textsf{Take natural logs:} \quad \ln (10)&=\ln (1.07)^t\\\ln (10)&=t\ln (1.07)\\t&=\dfrac{\ln (10)}{\ln (1.07)}\\t&=34.0323838...\end{aligned}[/tex]

The value of the baseball card will reach $2,000 during the 34th year - after 34 years and 12 days. As this is not an investment account where interest is applied annually, we don't need to round up. Therefore, the baseball card will be worth $2,000 after 34 years and 12 days.

I just need 1,2, and 3 to be solved.

Answers

The values of x and y are

1. x= 35 and y= 25

2. x = 4  and y = 1

3. x = 2 and y= 5

1. We know that opposite angle of parallelogram are equivalent

So, 2x = 70

x= 35

and, 3x +5 = x + 3y

105 + 5= 35 + 3y

110 - 35 = 3y

3y = 75

y = 25

2. Now, the diagonals bisect each other

3x = 12

x= 4

and, x + y = 5y

4 + y = 5y

4y = 4

y= 1

3. Now, opposite sides are congruent then

3x = 6

x= 2

and, x + 2= y-1

4 = y  -1

y = 5

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1) The values of x and y are,

x = 35, y = 25

2) The values of x and y are,

x = 4, y = 1

3)  The values of x and y are,

x = 2, y = 5

We know that;

Sum of opposite angles in a rectangle is 180 degree and diagonal are bisects each other.

And, Opposite sides of a parallelogram has equal length.

Hence, WE can formulate;

1) WE get;

2x = 70

x = 35

And, 3x + 5 = x + 3y

3 x 35 + 5 = 35 + 3y

105 + 5 = 35 + 3y

110 - 35 = 3y

3y = 75

y = 25

2) Since, diagonal are bisects each other.

Hence, we get;

3x = 12

x = 4

And, x + y = 5y

4 + y = 5y

4y = 4

y = 1

3) Opposite sides of a parallelogram has equal length.

Hence, WE get;

3x = 6

x = 2

And, x+ 2 = y - 1

2 + 2 = y - 1

y = 5

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What is the mean of this sample which consists of 10 Val randomly selected from the table

Answers

The mean of this sample data consisting of 10 randomly selected values from the table is 21.

What is the mean?

The mean describes the average value in the data set.

The average is one of the measures of central tendency, including the median and the mode.

We can compute the mean or the average by dividing the total value in the data set by the number of items.

7+ 100 + 1 + 3 + 7 + 10 + 15 + 12 + 17 + 38

Total = 210

Mean = 21 (210 ÷ 10)

Thus, the mean is the quotient of the total value and the number of items in the data set or sample.

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Complete Question:

What is the mean of this sample, which consists of 10 values randomly selected from the table?

7+ 100 + 1 + 3 + 7 + 10 + 15 + 12 + 17 + 38

How do you solve this?​

Answers

The area of Figure A is 5 units²

We have,

The concept used in the given explanation is the concept of finding the area of geometric shapes.

The explanation starts by identifying that Figure A can be considered to have two shapes: a square and a rectangle.

The area of a square is calculated by squaring the length of one side.

In this case, the length of one side of the square is 1 unit, so the area of the square is 1 unit².

From the graph,

Figure A can be considered to have two shapes.

- One square

- One rectangle

Now,

Area of the square.

= 1 unit²

= 1 unit²

Area of the rectangle.

= 2 x 2

= 4 units²

Now,

The area of Figure A.

= 1 + 4

= 5 units²

Thus,

The area of figure A is 5 units²

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Calculate the Cash Cycle using the following information. (Assume 360 days in a year). Opening Balances Raw Material 4,00,000 WIP 80,000 Finished Goods 6,00,000 Debtors 2,50,000 Creditors 5,60,000 Closing Balances Raw Material 5,00,000 WIP 70,000 Finished Goods 7,25,000 Debtors 3,15,000 Creditors 6,25,000 Costs Incurred during the year Manufacturing Costs 10,45,000 Excise Duty 8,50,000 Selling and Distribution Expenses 4,20,000 Admin. Overheads 3,00,000 Total Sales 4,20,00,500 Total Purchases 3,23,00,000 30% of sales are on credit and 80% of purchases are on credit

Answers

Answer:

156.76 days (approx.)

Step-by-step explanation:

To calculate the Cash Cycle, we need to consider the time it takes for a company to convert its investment in inventory and receivables back into cash. The formula for Cash Cycle is as follows:

Cash Cycle = Inventory Conversion Period + Receivables Collection Period - Payables Deferral Period

Now, let's calculate each component of the Cash Cycle using the given information.

1. Inventory Conversion Period:

Inventory Conversion Period measures the average number of days it takes to convert raw materials into finished goods.

Average Inventory = (Opening Raw Material + Closing Raw Material) / 2

= (4,00,000 + 5,00,000) / 2

= 4,50,000

Manufacturing Costs per day = Manufacturing Costs / 360 days

= 10,45,000 / 360

= 2,902.77 (approx.)

Inventory Conversion Period = Average Inventory / Manufacturing Costs per day

= 4,50,000 / 2,902.77

≈ 155 days

2. Receivables Collection Period:

Receivables Collection Period measures the average number of days it takes to collect payments from customers.

Average Receivables = (Opening Debtors + Closing Debtors) / 2

= (2,50,000 + 3,15,000) / 2

= 2,82,500

Sales per day = Total Sales / 360 days

= 4,20,00,500 / 360

= 1,16,666.67 (approx.)

Receivables Collection Period = Average Receivables / Sales per day

= 2,82,500 / 1,16,666.67

≈ 2.42 days

3. Payables Deferral Period:

Payables Deferral Period measures the average number of days the company takes to pay its suppliers.

Average Payables = (Opening Creditors + Closing Creditors) / 2

= (5,60,000 + 6,25,000) / 2

= 5,92,500

Purchases per day = Total Purchases / 360 days

= 3,23,00,000 / 360

= 8,97,222.22 (approx.)

Payables Deferral Period = Average Payables / Purchases per day

= 5,92,500 / 8,97,222.22

≈ 0.66 days

Now, we can calculate the Cash Cycle using the formula mentioned earlier:

Cash Cycle = Inventory Conversion Period + Receivables Collection Period - Payables Deferral Period

= 155 days + 2.42 days - 0.66 days

≈ 156.76 days (approx.)

Therefore, the Cash Cycle is approximately 156.76 days based on the given information.

Use the image of circle B to answer the question. Choose a measure for angel ADC. Use your choice for angle ADC to determine the measure of arc ADC

Answers

The length of arc ADC is 29.33 units.

Let us take the measure of angle ADC to be 60 degrees.

We know that,

the angle formed by an arc on the center of a circle is twice the magnitude of the angle formed by the same arc on the circumference of the circle.

Now, arc AC forms angle ABC at the center and angle ADC at the circumference.

∴ angle ABC = 2 × angle ADC

                     = 2 × 60 degrees

                     = 120 degrees

Or, the magnitude of reflex angle ABC = 360 - 120 degrees.

                                                                 = 240 degrees.

Also, the circumference of the circle = 2πr

                                                       = 2 × 22/7 × 7

                                                       = 44 units.

∴ the length of arc ADC = magnitude of reflex angle ADC/total angle × circumference

                                         = 240/360 × 44

                                         = 29.33 units.

Hence, the length of arc ADC is 29.33 units.

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The complete question is:

Use the image of circle B to answer the question. Choose a measure for angel ADC. Use your choice for angle ADC to determine the measure of arc ADC. The radius of the circle is 7 units.

Si una mosca real tiene una longitud de 9mm y su maqueta mide 18cm.cual a q escala se realizo la maqueta

Answers

The scale factor used is:

1 centimeter equals half millimiter.

How to find the scale factor?

The scale factor tells us how many units in the sculpture represent a real unit.

We know that:

Real length = 9mm

Length in the sculpture = 18cm

Then we have the relation between the lengths:

18cm = 9mm

Dividing both sides by 18 we will get:

1cm = 9mm/18

1cm = 0.5mm

So the scale is 1 centimeter equals half millimiter.

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Choose the function whose graph is given below.

A. Y= cot x
B. Y= csc x
C. Y= sec x
D. Y= tan x

Answers

The trigonometric function graphed in this problem is given as follows:

B. Y= csc x

How to identify the trigonometric function graphed?

The vertical asymptotes of a function are the values of x which are outside the domain, which in a fraction are the zeroes of the denominator.

For the function in this problem, the vertical asymptotes are given as follows:

x = π, k = ± 1, ± 2, ± 3.

Hence the given function has the sine in the denominator, as the sine function is not defined for these values.

The function has a range of values with absolute value greater than 1, meaning that it is the cosecant function, given as follows:

csc(x) = 1/sin(x).

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