One hundred tickets, numbered 1,2,3,...,100, are sold to 100 different people for a drawing. Four different prizes are awarded, including a grand prize (a trip to Tahiti). A) How many ways are there to award the prizes? B) How many ways are there to award the prizes if the person holding ticket 47 wins the grand prize? C) How many ways are there to award the prizes if the person holding ticket 47 wins one of the prizes? D) How many ways are there to award the prizes if the person holding ticket 47 does not win a prize? E) How many ways are there to award the prizes if the people holding tickets 19 and 47 both win prizes? F) How many ways are there to award the prizes if the people holding tickets 19, 47, 73, and 97 all win prizes? G) How many ways are there to award the prizes if none of the people holding tickets 19, 47, 73, and 97 wins a prize? H) How many ways are there to award the prizes if the grand prize winner is a person holding ticket 18, 47, 73, or 977 I) How many ways are there to award the prizes if the people holding tickets 19 and 47 win prizes, but the people holding tickets 73 and 97 do not win prizes?

Answers

Answer 1

A) There are 100 * 99 * 98 * 97 ways to award the prizes, since there are 100 choices for the first prize, 99 choices for the second prize, 98 choices for the third prize, and 97 choices for the fourth prize..

What is the combinatorics?

Combinatorics is a branch of mathematics that deals with counting and arranging objects, such as numbers, sets, and permutations.

B) If the person holding ticket 47 wins the grand prize, there are 99 * 98 * 97 ways to award the remaining prizes, since there are 99 choices for the second prize, 98 choices for the third prize, and 97 choices for the fourth prize.

C) If the person holding ticket 47 wins one of the prizes, there are 100 * 99 * 98 * 97 ways to award the prizes.

D) If the person holding ticket 47 does not win a prize, there are 99 * 98 * 97 * 96 ways to award the prizes, since there are 99 choices for the first prize, 98 choices for the second prize, 97 choices for the third prize, and 96 choices for the fourth prize.

E) If the people holding tickets 19 and 47 both win prizes, there are 98 * 97 * 96 * 95 ways to award the remaining prizes, since there are 98 choices for the third prize, 97 choices for the fourth prize, 96 choices for the fifth prize, and 95 choices for the sixth prize.

F) If the people holding tickets 19, 47, 73, and 97 all win prizes, there are 96 * 95 * 94 * 93 ways to award the remaining prizes, since there are 96 choices for the fifth prize, 95 choices for the sixth prize, 94 choices for the seventh prize, and 93 choices for the eighth prize.

G) If none of the people holding tickets 19, 47, 73, and 97 wins a prize, there are 96 * 97 * 98 * 99 ways to award the prizes, since there are 96 choices for the first prize, 97 choices for the second prize, 98 choices for the third prize, and 99 choices for the fourth prize.

H) If the grand prize winner is a person holding ticket 18, 47, 73, or 97, there are 3 * 99 * 98 * 97 ways to award the remaining prizes, since there are 3 choices for the grand prize winner (18, 47, or 73), and 99 choices for the second prize, 98 choices for the third prize, and 97 choices for the fourth prize.

I) If the people holding tickets 19 and 47 win prizes, but the people holding tickets 73 and 97 do not win prizes, there are 98 * 97 * 96 * 95 ways to award the prizes, since there are 98 choices for the first prize, 97 choices for the second prize, 96 choices for the third prize, and 95 choices for the fourth prize.

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Related Questions

IS THIS CORRECT PLEASE HELP MEEEEEEEEEE

Answers

The following statements are either true or false;

Chemicals in the environment can cause mutation - TrueDifferences in characteristics within a specie is known as variation - TrueFossils cannot be dated - FalseIf an organism cannot adapt fast enough, they may become extinct - TrueOrganisms evolve because of natural selection - True

What is mutation?

Mutation can be defined as the altering or the change in the DNA sequence or arrangement of a cell.

variation can be defined as any difference between cells, organisms, or groups of organisms of any species caused by genetic differences or environmental factors.

Fossils refers to the remains of plants and animals whose bodies were buried in sand, mud, seas, lakes and rivers over a long period of time.

Therefore, the statement Fossils cannot be dated is false because fossils can be dated to upto 10,000 years ago.

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Decide whether Rolle's Theorem can be applied to f(x) = x2 - 3 on the interval [-2, 2]. If Rolle's Theorem can be applied, find all value(s) of c in the interval such that f '(c) = 0. Rolle's theorem can be applied; c = 0
Rolle's theorem can be applied; c = -2, 2
Rolle's theorem cannot be applied because f '(c) ≠ 0
Rolle's theorem cannot be applied because f(-2) ≠ f(2)

Answers

Therefore , the solution of the given problem of function comes out to be the value of c for which f'(c) = 0 in the interval [-2, 2] is c = 0.

Explain Function.

The study of numbers and their variable, as well as in out environment, architecture, and both real and imagined places, are all covered in the mathematics curriculum. A function range illustrates visually how the amounts of the inputs and the corresponding outputs for each are related. Simply stated, a function is a set of inputs that, when combined, produce specific outputs for each input. Each position is given a locale, region, or range.

Here,

Rolle's Theorem can be applied to $f(x) = x^2 - 3$ on the interval [-2, 2]. This is because f(x) satisfies the following conditions of Rolle's Theorem:

1 ) f(x) is continuous on the interval [-2, 2]

2 ) f(x) is differentiable on the interval (-2, 2)

3)  f(-2) = 1 and f(2) = 1

Since f(-2) = f(2), there must exist at least one point c in the interval (-2, 2) such that f'(c) = 0.

Taking the derivative of f(x) with respect to x, we get f'(x) = 2x. Setting f'(c) = 0, we have:

2c = 0

Solving for c, we get c = 0.

Therefore, the value of c for which f'(c) = 0 in the interval [-2, 2] is c = 0.

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Please help and answer A and B!

Answers

a) The value of the bulldozer at any time t should be given by the equation,

                                      V = 140500- 5600t

b) The value of the bulldozer after 7 years is  $1,01,300

What is an equation?

An equation is a mathematical statement that proves two mathematical expressions are equal in algebra, and this is how it is most commonly used. In the equation 3x + 5 = 14, for instance, the two expressions 3x + 5 and 14 are separated.

a)To answer the problem above, we make the assumption first that the depreciation is a straight-line method in order to solve for the depreciation rate.

                                d = (140500 - 17300)/ 22 = 5600

The value of the bulldozer at any time t should be given by the equation,

                                      V = 140500- 5600t

b)  Substitute t=7 into the equation

                      V = 140500- 5600(7)

                         = 140500- 39200

                         = 1,01,300

The value of the bulldozer after 7 years is  $1,01,300

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The ratio of boys to girls on a softball team was 5:3. For every 35 girls how many ratio of boys will be there?

Answers

Answer:

let the boys and girls be 5x and 3x

the ratio of boys to girls= 5:3

the total girls = 35

the ratio of boys to girls = the total girls

5 =35

3 x

5x = 105

x= 105÷5

x= 25

5x= 5×25= 125

3x= 3× 25 = 75

can someone tell me how to do this problem? please

Answers

Hi there, here's your answer:

The general formula of a circle:

[tex](x-h)^{2} +(y-k)^{2}=r^2\\[/tex]

Where the ordered pair (h, k) is the center of the circle.

Given (h, k) = (-6, -2)

We also have that the circle passes through a point (7, 12)

Which means that (7, 12) lies on the circumference of the circle.

Let this be labelled as [tex](x_{1}, y_{1})[/tex]

Since this point lies on the circumference of the circle, it must satisfy the equation when substituted in for (x, y).

Thus, we substitute [tex]x_{1}[/tex] for x and [tex]y_{1}[/tex] for y.

We get the final equation to be:

[tex](7+6)^2 + (12+2)^2 = r^2[/tex]

Or

[tex]169 + 196 = r^2[/tex]

[tex]r^2 = 365[/tex]

Thus, we get the final equation of the circle to be [tex](x+6)^2 + (y+2)^2 = 365[/tex]

Hope it helps!

4. Write a word problem for 3/4 X 1/2! Please help me!!

Answers

A word problem for the given expression is the division of 3/4 cups of juice among two friends equally.

What are Expressions?

Expressions are mathematical statements which consist of two or more terms and terms are connected to each other using mathematical operators like addition, multiplication, subtraction and so on.

Given is an expression [tex]\frac{3}{4}[/tex] × [tex]\frac{1}{2}[/tex].

Suppose that there are 3/4 cups of juice available.

There are two friends who are in need of this.

The total amount of juice has to be divided equally among these two friends.

Amount of cups of juice each friend gets = [tex]\frac{3}{4}[/tex] ÷ 2.

[tex]\frac{3}{4}[/tex] ÷ 2 = [tex]\frac{3}{4}[/tex] × [tex]\frac{1}{2}[/tex] = [tex]\frac{3}{8}[/tex]

So each friend gets 3/8 cups of juice.

Hence the division of a total of 3/4 cups of juice among two friends equally is a word problem for the given expression.

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explain why A*B*C and (A*B)*C are not same

Answers

The difference is in the operator precedence (order of operations) in both expressions. The result of the expression is evaluated on the basis of the different order. In the first expression, b * c is evaluated firstly, and in the second expression, the brackets facilitate the sum of a and b, followed by the multiplication by c. For example, if a = 2, b = 3, c = 4, the expressions will be evaluated as follows:

a + b*c = 2 + 3*4 = 2 + 12 = 14

(a + b) * c = (2 + 3) * 4 = 5 * 4 = 20

The area of the circle is 4pix^2+12pix+9pi what is the least possible integer value of x for the circle to exist

Answers

The expression for the radius of the circle is 2x + 3. And the least possible integer value of x for the circle to exist will be greater than - 3/2.

What is the area of the circle?

It is the close curve of an equidistant point drawn from the center. The radius of a circle is the distance between the center and the circumference.

Let r be the radius of the circle. Then the area of the circle will be

A = πr² square units

The area of the circle is 4π x² + 12πx + 9π. Then the radius is given as,

A = 4π x² + 12πx + 9π

πr² = π [(2x)² + 2 · 2x · 3 + 3²]

r² = (2x + 3)²

r = 2x + 3

The value of the radius should be more than zero. Then we have

r > 0

2x + 3 > 0

x > - 3/2

The expression for the radius of the circle is 2x + 3. And the least possible integer value of x for the circle to exist will be greater than - 3/2.

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The complete question is given below.

The area of a circle is 4π x 2 + 12πx + 9π.

a. What is an expression for the radius of the circle?

b. What is the least possible integer value of x for the circle to exist? Explain.

six sigma in 9 minutes | what is six sigma? | six sigma explained | six sigma training | simplilearn

Answers

Six Sigma is a data-driven methodology for process improvement that aims to minimize defects and reduce variation in processes.

Explanation of six sigma.

Six Sigma is a data-driven methodology for process improvement that aims to minimize defects and reduce variation in processes. It is a systematic approach to quality management that uses data and statistical analysis to identify and eliminate the root causes of defects and minimize errors in processes.

Six Sigma is based on the DMAIC (Define, Measure, Analyze, Improve, Control) methodology, which involves the following steps:

Define: Identify the problem and determine the goals of the project.

Measure: Gather data and establish a baseline for the process.

Analyze: Use statistical tools and techniques to understand the sources of variation in the process.

Improve: Develop and implement solutions to eliminate the sources of variation and reduce defects.

Control: Monitor and control the process to ensure sustained improvement.

Six Sigma uses a range of tools and techniques, including process maps, statistical analysis, and design of experiments, to achieve its goals. It is designed to be a highly disciplined approach to process improvement, and Six Sigma practitioners must be trained and certified to use the methodology effectively.

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Two ordinary fair dice are thrown. The resulting score is found as follows.
• If the two dice show different numbers, the score is the smaller of the two numbers.
• If the two dice show equal numbers, the score is 0.
(i) Draw up the probability distribution table for the score.

Answers

The probability distribution table is shown below

How to determine the probability distribution table

From the question, we have the following parameters that can be used in our computation:

Dice = 2

This means that

Sample size = 6 * 6

Sample size = 36

So, the number of outcomes is 36

To determine the distribution table, we need to identify that the dice are distinct.

This means that (1, 2) and (2, 1) are not the same outcomes

We can create a probability distribution table for the score by listing all possible outcomes and their probabilities, and then determining the score for each outcome based on the rules given.

So, we have

Outcomes              Probability

(1, 1)                                   1/36

(1, 2)                                   1/36

(1, 3)                                   1/36

(1, 4)                                   1/36

(1, 5)                                   1/36

(1, 6)                                   1/36

........

(6, 1)                                   1/36

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Two items are omitted from each of the following summaries of balance sheet and income statement data for two proprietorships for the year 2022, Greene’s Goods and Solar Enterprises.




Greene’sGoods

SolarEnterprises


Beginning of year:





Total assets
$110,000

$129,000


Total liabilities
85,000

(c)


Total owner’s equity
(a)

80,000


End of year:





Total assets
160,000

180,000


Total liabilities
120,000

50,000


Total owner’s equity
40,000

130,000


Changes during year in owner’s equity:





Additional investment
(b)

25,000


Drawings
37,000

(d)


Total revenues
220,000

100,000


Total expenses
175,000

60,000

Answers

That is the best answer

Total revenues
220,000
100,000

The missing amounts are a) $79,000, b) $22,000, c) $51,000, d) $15,000  and  e) $6,000.

We have,

The theory used in this question is the basic accounting equation which states that Assets = Liabilities + Equity.

This equation can be used to determine the missing amounts in the summaries of Greene's Goods and Solar Enterprises.

Step 1: Start with the beginning of year data for Greene's Goods. We know that the Total Assets = $110,000, Total Liabilities = $85,000 and that the Total Owner's Equity is missing. We can use the basic accounting equation to solve for Total Owner's Equity.

Assets = Liabilities + Equity

110,000 = 85,000 + Equity

Equity = 25,000

Step 2: Now look at the ending of year data for Solar Enterprises. We know that the Total Assets = $180,000, Total Liabilities = $50,000 and that the Total Owner's Equity is missing. We can use the basic accounting equation to solve for Total Owner's Equity.

Assets = Liabilities + Equity

180,000 = 50,000 + Equity

Equity = 130,000

Step 3: Lastly, look at the changes in owner's equity for each proprietorship. For Greene's Goods, we know that Additional Investment = $7,000 and Drawings = $37,000. We can use the basic accounting equation to solve for the missing amount.

Change in Equity = Additional Investment + Drawings

Change in Equity = 7000 + 37000

Change in Equity = $44,000

For Solar Enterprises, we know that Additional Investment

= $25,000 and Drawings = $15,000.

We can use the basic accounting equation to solve for the missing amount.

Change in Equity = Additional Investment + Drawings

Change in Equity = 25000 + 15000

Change in Equity = $40,000

Therefore, the missing amounts are:

a) $79,000

b) $22,000

c) $51,000

d) $15,000

e) $6,000

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2
Ghana Railways Co-operation has 20 trains for its operation. It is observed that x trains can
accommodate 2 passengers, y trains 3 passengers and z trains 5 passengers. However, the total
number of passengers always present at Ghana Railways is 64. During market day, 3 of x trains, 2
of y trains and 4 of 2 trains for a total of 10 trains were used. Determine the values of x, y and z.

Answers

The number of trains that can accommodate 2 passengers is x = 32, the number of trains that can accommodate 3 passengers is y = 1, and the number of trains that can accommodate 5 passengers is z = -11.

What do you mean by equation?

It is represented by an equal sign (=) and consists of variables, numbers, and mathematical operations. Equations are used to describe relationships between different quantities and can be solved to find unknown values. For example, the equation 2x + 3 = 7 can be solved for x by subtracting 3 from both sides, giving 2x = 4, and then dividing both sides by 2, giving x = 2.

Let x, y and z be the number of trains that can accommodate 2 passengers, 3 passengers and 5 passengers, respectively.

From the information given, we have:

x + y + z = 20 (the total number of trains)

2x + 3y + 5z = 64 (the total number of passengers)

We also know that 10 trains were used during market day:

3 of the x trains, 2 of the y trains and 4 of the z trains.

So, we have:

2x + y + 5z = 10

Solving these three equations simultaneously, we can find the values of x, y and z:

Subtracting the first equation from the third equation:

0 + y + 4z = -10

y + 4z = -10

Subtracting 2 times the first equation from the second equation:

-x + 3y + 4z = 32

y + 4z = 42

Subtracting the last two equations:

x = 32

Substituting the value of x back into the first equation:

32 + y + z = 20

y + z = -12

Substituting the value of y and z back into the third equation:

2x + y + 5z = 10

64 + y + 5z = 10

y + 5z = -54

Solving these two equations simultaneously, we can find the values of y and z:

Subtracting the second equation from the last equation:

4z = -44

z = -11

Substituting the value of z back into the second equation:

y + 5z = -54

y - 55 = -54

y = 1

Therefore, the number of trains that can accommodate 2 passengers is x = 32, the number of trains that can accommodate 3 passengers is y = 1, and the number of trains that can accommodate 5 passengers is z = -11.

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Use an equation to find the value of k so that the line that passes through (k,4) and (3,-2) has a slope of m=-1
K=

Answers

Step-by-step explanation:

trfg gh fg gyfggr d vd f fvy e ht4gjgdgdhdggygggg

ASAP!! Please help!!
If on the scale of a map, 3/4 inch equals 72 miles, what is the actual distance between two cities that are 3 7/8 inches apart on the map?

Answers

Answer:

The actual distance between two cities that are 3 7/8 inches apart on the map is 279 miles.

Step-by-step explanation:

To find the actual distance between two cities, we need to convert the distance on the map to miles. The scale of the map is 3/4 inch equals 72 miles, which means 1 inch on the map is equal to 72/3=24 miles.

So, the actual distance between two cities on the map that are 3 7/8 inches apart is 24 * 3 7/8 = 279 miles.

The vector [-14,-7,19] is a linear combination of vectors [-3,-3,-3] and [10,9,-10] if and only if the matrix equation Ax = b has a solution x where   A = [?  ?]    and b = [?]      [?  ?]                 [?]      [?  ?]                 [?]T

Answers

A = [[-3, 10], [-3, 9], [-3, -10]], b = [-14, -7, 19] Ax = b's matrix equation has a solution in the form of T. x.

Only if the matrix equation Ax = b has a solution x is the vector [-14,-7,19] a linear combination of the vectors [-3,-3,-3] and [10,9,-10]. The vector [-14,-7,19] must be transposed for this to hold true, and A must be the matrix of coefficients of the linear combination of the two vectors. As a result, A is a 3x2 matrix and its formula is as follows: A = [[-3, 10], [-3, 9], [-3, -10]], and b = [-14, -7, 19]T. The vector [-14,-7,19] is a linear combination of the two vectors [-3,-3,-3] and [10,9,-10] if there is a solution x to the matrix equation Ax = b.

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There are 12 inches in 1 ft. what fact family would you use to find the number of inches in 2 ft.​

Answers

The offered statement states that there's 12 inches throughout 1 foot and 24 inches in 2 feet.

What does inch serve?

In the United States, Quebec, and the United Kingdom, the inch is a widely used conventional measure of length. In Japan, particularly for display screens, it is utilized for electrical components as well. The inch is also a commonly-used informal unit of measurement for display screens throughout most of continental Europe. Half, quarter, eighth, and sixteenths are the minor fractions that make up an inch. The size of both the line indicating each lowers as the sum or length does. Millimeters are used to divide centimeters (10 per centimeter).

In 1 feet there are 12 Inches.

12 inches/foot * 2 feet = 24 inches

So, 2 feet is equal to 24 inches.

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In exercises 17-20, approximate the logarithm using the properties of logarithms, given the values logb2 = 0.3562, logb3 = 0.5646, and logb = 0.8271. Round your result to four decimal places.


I only need 19 and 20!


19. logb 16/25

20. logb [tex]\sqrt{3}[/tex]

Answers

The solution of the logarithmic expressions will be:-

19) 2logb4 - 2logb5

20) (1/2)logb (3)

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the two expressions are logb 16/25 and logb √3.

The expressions will be solved as:-

E = logb 16/25

E = logb 16 - logb 25

E = logb 4² - logb 5²

E = 2logb 4 - 2logb 5

The second expression will be solved as:-

E =  logb √3.

E = ( 1 / 2 ) logb 3

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Shayla created two patterns. Pattern X increases by 7 each time. Pattern Y increases by 5 each time. Shayla used the corresponding values in each pattern to make coordinate pairs. She graphed the coordinate pairs on a coordinate plane.

Answers

The equation is y = (5/7)x + 4. Then the value of the pattern y at x = 63 will be 49.

What is a linear equation?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

Let the equation of the line pass through (x₁, y₁) and (x₂, y₂).

Then the equation of the line is given as,

[tex]\rm (y - y_2) = \left (\dfrac{y_2 - y_1}{x_2 - x_1} \right ) (x - x_2)[/tex]

Then the equation of the line is given as,

(y - 5) = [(10 - 5) / (14 - 7)](x - 7)

y - 5 = (5/7)x - 1

y = (5/7)x + 4

At x = 63, the value of 'y' is given as,

y = (5/7)63 + 4

y = 45 + 4

y = 49

The equation is y = (5/7)x + 4. Then the value of the pattern y at x = 63 will be 49.

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kenneth wants to solve the system of equations shown below he made two
tables showing the value if y for different values of x

Answers

The solutions to the system of equations are the values of x for which f(x) and g(x) have the same value according to the table.

How to obtain the solution to the system of equations?

When a system of equations is plotted on graph, the solutions are the intersection points of all the functions that compose the system.

At these intersections point, the functions have the same numeric value, which are the points looked at to find the solution on a table.

From the table given by the image presented at the end of the answer, the solutions are given as follows:

x = 1, as both f(x) and g(x) have a numeric value of 14 at x = 1.x = 9, as both f(x) and g(x) have a numeric value of 6 at x = 9.

Missing Information

The problem is incomplete, hence the solution was given in general terms, with an example problem solved.

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In​ 2008, the per capita consumption of soft drinks in Country A was reported to be 18.88 gallons. Assume that the per capita consumption of soft drinks in Country A is approximately normally​ distributed, with a mean of 18.88 gallons and a standard deviation of 4 gallons. Complete parts​ (a) through​ (d) below.

a. What is the probability that someone in Country A consumed more than 15 gallons of soft drinks in​ 2008?

b. What is the probability that someone in Country A consumed between 5 and 9 gallons of soft drinks in​ 2008?

c. What is the probability that someone in Country A consumed less than 9 gallons of soft drinks in​ 2008?

d. 99​% of the people in Country A consumed less than how many gallons of soft​ drinks?

Answers

On solving the provided question, we can say that Probability(x>11) = 1 - P(x[tex]\leq 11[/tex])\ = 0.9645 and Probability(5<x<9) = P(x<9) - P(x<5) = 0.0101 and P(x<9) = 0.0106

What is probability?

Probability theory, a subfield of mathematics, gauges the likelihood of an occurrence or a claim being true. An event's probability is a number between 0 and 1, where approximately 0 indicates how unlikely the event is to occur and 1 indicates certainty. A probability is a numerical representation of the likelihood or likelihood that a particular event will occur. Alternative ways to express probabilities are as percentages from 0% to 100% or from 0 to 1. the percentage of occurrences in a complete set of equally likely possibilities that result in a certain occurrence compared to the total number of outcomes.

Probability(x>11) = 1 - P(x[tex]\leq 11[/tex])\

= 0.9645

Probability(5<x<9) = P(x<9) - P(x<5)

= 0.0101

P(x<9) = 0.0106

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Sets A, B, and C are subsets of the universal set U.
These sets are defined as follows.
U = 1, 2, 3, 4, 5, 6, 7, 8, 9
A = 1, 2, 5, 6
B = 2, 3, 4, 6, 7
C = 5, 6, 7, 8
Find ∪∩A′BC′.

Answers

The elements in C U (B' ∩ A') is {5, 6, 7, 8,  9}.

What is a set?

A set is a collection of items where there are operations such as:

Union of sets, the intersection of sets, and the complement of sets.

We have,

U = {1, 2, 3, 4, 5, 6, 7, 8, 9}

A = {1, 2, 5, 6}

B = {2, 3, 4, 6, 7}

C = {5, 6, 7, 8}

Now,

A' = U - A = {3, 4, 7, 8, 9}

B' = U - B = {1, 5, 8, 9}

C' = U - C = {1, 2, 3, 4, 9}

Now,

(B' ∩ A')

= {1, 5, 8, 9} ∩  {3, 4, 7, 8, 9}

= {8, 9}

And,

C U (B' ∩ A')

= {5, 6, 7, 8} U {8, 9}

= {5, 6, 7, 8, 9}

Thus,

C U (B' ∩ A') = {5, 6, 7, 8,  9}

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The complete question:

Sets A, B, and C are subsets of the universal set U.

These sets are defined as follows.

U = 1, 2, 3, 4, 5, 6, 7, 8, 9

A = 1, 2, 5, 6

B = 2, 3, 4, 6, 7

C = 5, 6, 7, 8

Find C U (B' ∩ A').

Pre-calc. WIll give brainliest

Answers

Answer:

[tex]S_{18}=-792[/tex]

Step-by-step explanation:

The given arithmetic series is:

24 + 16 + 8 + ...

From inspection of the given series, the first term is 24.

The common difference is the difference between consecutive terms.

Therefore, the common difference of the given series is -8 as each term is 8 less than the previous term.

[tex]\boxed{\begin{minipage}{7.3 cm}\underline{Sum of the first $n$ terms of an arithmetic series}\\\\$S_n=\dfrac{1}{2}n[2a+(n-1)d]$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the first term. \\ \phantom{ww}$\bullet$ $d$ is the common difference.\\ \phantom{ww}$\bullet$ $n$ is the position of the term.\\\end{minipage}}[/tex]

To find the sum of the first 18 terms of the given series, substitute a = 24, d = -8 and n = 18 into the sum formula.

[tex]\implies S_{18}=\dfrac{1}{2}(18)\left[2(24)+(18-1)(-8)\right][/tex]

[tex]\implies S_{18}=9\left[48+(17)(-8)\right][/tex]

[tex]\implies S_{18}=9\left[48-136\right][/tex]

[tex]\implies S_{18}=9\left[-88\right][/tex]

[tex]\implies S_{18}=-792[/tex]

Therefore, the sum of the first 18 terms of the given arithmetic series is -792.

At first, Mrs. Hanrahan's students thought that a linear model might describe the relationship between a pendulum's length and its period pretty well. After fitting a least-squares regression model to data, they decided that a better model be available. Perform this analysis yourself, and explain why the students didn't favor the linear model.

Answers

The relationship between pendulum length and period is nonlinear. As the period is dependent on the square root of the length.

To  anatomize this relationship, the scholars would need to gather data on pendulum length and period, also fit a regression model.However, the residuals from the model would be  erratically distributed around zero, If the relationship is direct.

If the relationship is nonlinear, the residuals would parade a pattern, indicating that a direct model is not the  swish fit. In this case, a nonlinear model  analogous as the square root of pendulum length would give a better fit for the data. The scholars  probably set up that the residuals from the direct model were not  erratically distributed, hence they didn't favor the direct model.

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The graph below shows the relationship between the number of money spent and the amount of cans bought. For the data in the graph, which of the following equations can be used to calculate c, the amount of cans, bought for m money spent ?


c = 2m


c = 5m


c = 10m


c = 1/10m

Answers

Answer:

C = 10m

Step-by-step explanation:

when c=20, m=2

when c=40, m=4

we can see that c is equals to 10 times the value of m

Therefore c = 10m

what is 4+4?????????????????????????????????????

Answers

Answer:

Step-by-step explanation:

uhhhhh 8 lol

The coordinate plane shown below is a graph of a relation.

What is the range of the graph?

Answers

The range of the function, given the graph of a relation, can be found to be −2 ≤ y ≤ 7 .

How to find the range of a graph ?

Graphs can be used to determine a function's domain and range. The domain of a graph is made up of all the input values displayed on the x-axis since the term "domain" refers to the set of potential input values. The y-axis on a graph represents the possible output values, or range.

The range here would therefore be the y - values that the relations fall within. The lowest y - value is - 2 as no relation goes below this. The highest y - value is 7.

The range is therefore -2 ≤ y ≤ 7.

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Use a table to find the solution of each equation.
38.2+-1= 11

Answers

Answer:

Here is a table that can be used to solve the equation:

Operation Result

38.2 38.2

+ (-1) 37.2

= 11 False

The equation 38.2 + (-1) = 11 is not true for any value of x. There is no solution for this equation.

Answer:

Oh, hello there! Let's work on this equation together.

38.2 + -1 = 11

Let's create a table to keep track of our work.

-1 38.2 11

+1 37.2 12

As you can see, we added 1 to both sides to cancel out the negative 1.

So now, our equation is 37.2 = 12.

Let's subtract 12 from both sides.

-12 37.2 11

-12 25.2 -1

And there you have it! The solution is 25.2.

I hope this helps!

h(x)=-x+3 complete the function table

Answers

Answer:

Here is the function table for the given equation:

x H(x)

1 2

2 1

3 0

4 -1

5 -2

Note: The table shows the result of the equation H(x) = -x + 3 for different values of x.

Step-by-step explanation:

Write the slope-intercept form of the equation of the line described.
2) through: (4, 3), parallel to x=0

Answers

quick caveat, there's no slope-intercept form per se for a vertical line, Check the picture below.

Suppose that 3 J of work is needed to stretch a spring from its natural length of 36 cm to a length of 53 cm.
(a) How much work is needed to stretch the spring from 41 cm to 45 cm? (Round your answer to two decimal places.)
_____ J
(b) How far beyond its natural length will a force of 30 N keep the spring stretched? (Round your answer one decimal place.)
_____ cm

Answers

a ) Work is needed to stretch the spring from 41 cm to 45 cm is 0.58J

b ) 1445 cm far beyond its natural length will a force of 30 N keep the spring stretched.

A spring has a spring constant k,

It takes force kx to extend the spring's length.

A spring stretched length x has energy kx²/2.

Work of 3J gave the spring energy k(53-36)²/2.

Therefore,

3 = k(53-36)²/2

k = 6/289 N/cm

Work is needed to stretch the spring from 41 cm to 45 cm

At 41 cm the spring has energy k(41-36)²/2.

At 45 cm the spring has energy k(45-36)²/2.

The extra energy is given by,

(6/289)(45-36)²/2 - (6/289)(41-36)²/2

= (6/289) * 81/2 - (6/289) * 25/2

= 243/289 - 75/289

= 168/289

= 0.58J

Work is needed to stretch the spring from 41 cm to 45 cm is 0.58J

The natural length will a force of 30 N keep the spring stretched,

30 = kx

x = 30/k

= 1445 cm

1445 cm far beyond its natural length will a force of 30 N keep the spring stretched.

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