find the area of the shaded part given below where the diameter is 14 cm.​

Find The Area Of The Shaded Part Given Below Where The Diameter Is 14 Cm.

Answers

Answer 1

Answer:

area of sector = 49π/6 cm² ≈ 25.7 cm²

Step-by-step explanation:

area of sector = (n/360°)πr²

where n = central angle of sector, and r = radius of circle

Here, we have:

n = 60°

r = d/2 = 14 cm / 2 = 7 cm

area of sector = (60°/360°)π(7 cm)²

area of sector = (1/6)π(49 cm²)

area of sector = 49π/6 cm² ≈ 25.7 cm²


Related Questions

what number is equal to 4 hundreds + 3 tens + 7 ones + 6 hundredths + 8 thousandths

Answers

Answer:

Four hundred thirdy seven and six hundred and eight thousandths.

437.068

Step-by-step explanation:

Hope it helps! =D

The number formed by these terms is 437.068.

To solve this problem, we first need to understand the place value system and what each term represents.

As per the place value system used in decimals:

- Hundreds: It is the third digit to the left of the decimal point and each unit represents 100.
- Tens: It is the second digit to the left of the decimal point and each unit represents 10.
- Ones: It is right next to the decimal point, all the digits to the left of it are the ones. Each unit represents 1.
- Hundredths: It is the second digit to the right of the decimal point and each unit represents 0.01.
- Thousandths: It is the third digit to the right of the decimal point and each unit represents 0.001.

In the given context, we know that there are 4 hundreds, 3 tens, 7 ones, 6 hundredths, and 8 thousandths.

To start, we calculate each term separately:

- 4 hundreds = 4 x 100 = 400
- 3 tens = 3 x 10 = 30
- 7 ones = 7 x 1 = 7
- 6 hundredths = 6 x 0.01 = 0.06
- 8 thousandths = 8 x 0.001 = 0.008

After evaluating each term separately, we sum them up together for the final answer:

- Sum = 400 + 30 + 7 + 0.06 + 0.008 = 437.068

Hence, the number formed by these terms is 437.068.

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one-sample z-test for a population proportion will be conducted using slmple random sample selected without replacement from = population: Which of the following check for independence? A. npo > 10 and n(1 Pu ) > 10 for sample and population proportion Po
B. Each sample proportion value ess Ihan equal to 0.5 C. The sample size more Ihan 10 times the population size D. The population size mare than 10 tlmes the sample size
E. The population distribution approximately normal:

Answers

A one-sample z-test for a population proportion requires that n po > 10 and n(1-Po) > 10 for both the sample and population proportions, Po. Additionally, each sample proportion must be less than or equal to 0.5, the sample size must be more than 10 times the population size, and the population size must be more than 10 times the sample size.

1. Calculate the sample size, n, needed for the test.

2. Check that npo > 10 and n(1 - Po) > 10 for both the sample and population proportions, Po.

3. Check that each sample proportion is less than or equal to 0.5.

4. Check that the sample size is more than 10 times the population size.

5. Check that the population size is more than 10 times the sample size.

6. Check that the population distribution is approximately normal.

A one-sample z-test for a population proportion is used to evaluate the difference between a sample proportion and a population proportion. Before conducting the test, it is important to check for independence, which is done by ensuring that certain conditions are met. First, npo > 10 and n(1-Po) > 10 must be true for both the sample and population proportions, Po. Additionally, each sample proportion must be less than or equal to 0.5, the sample size must be more than 10 times the population size, and the population size must be more than 10 times the sample size. Lastly, the population distribution must be approximately normal. These conditions must be met in order for the test to be valid and reliable. If any of these conditions are not met, the test results may be inaccurate.

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the purpose of the following exercises is to familiarize you with the system you will be using for the rest of your course. these exercises are not intended to teach or test your knowledge of any specific subject material. therefore, you will not be penalized for using hints or submitting incorrect answers. part a (figure 1) (the link above tells you that this part has an illustration.) how many months of the year have 28 days?

Answers

Every month of the year has

Mr. Mogi borrowed $9000 for 10 years to make home
improvements. If he repaid a total of $20,000 at what
interest rate did he borrow the money?

Answers

The interest rate that Mr. Mogi borrowed the money, given the amount borrowed and the amount repaid, is 17. 8%

How to find the interest rate ?

To find the interest rate that Mr. Mogi borrowed the money at, first find the amount he paid per year:

= Total payment / Number of years

= 20, 000 / 10

= $ 2, 000 per year

You can then use the RATE function on Spreadsheet to find the interest:

NPER = 10 years

PMT = $ 2, 000

PV = 9, 000

FV = $ 20, 000

The interest rate would be 17. 8%

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Morgan ran 5 miles in 57 days and a half minutes. How long did it take her to run each mile

Answers

Answer:

70

Step-by-step explanation:

The time that should take her to run each mile is approx 11.5 minutes.

Given that,

She runs 5 miles in 57 and a half minutes.

Based on the above information,

The time that should be taken by her is

= 57.5 ÷ 5 miles

= 11.5 minutes.

Therefore we can conclude that the time that should take her to run each mile is approx 11.5 minutes......

Suppose one-sixth of a certain company's sales are made in New England. If New England sales amount to $700,000, what are the total sales (in dollars) of the company?

Answers

Answer:

$4,200,000

Step-by-step explanation:

let x = total sales

(1/6)x = 700,000

x = 700,000(6/1) = 4,200,000

**dividing by 1/6 is the same as multiplying by 6

480,000 in scientific notation.

Answers

The number 480,000 in scientific notation is 4.8 * 10⁵

How to determine the scientific notation of the number

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

Number = 480,000

Multiply the number by 1

So, we have the following representation

Number = 480000 * 1

Express 1 as 10⁵/10⁵

Som we have

Number = 480000 * 10⁵/10⁵

This gives

Number = 4.8 * 10⁵

Hence, the expression is 4.8 * 10⁵

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The acceleration function (in m/s2) and the initial velocity v(0) are given for a particle moving along a line.
The acceleration function (in m/s2) and the initial velocity v(0) are given for a particle moving along a line.
a(t) = 2t + 6, v(0) = −16, 0 ≤ t ≤ 5
(a) Find the velocity at time t.
v(t)=______ m/s
(b) Find the distance traveled during the given time interval.

Answers

By applying the definite integral, it can be concluded that the velocity at time t is v(t) = t² + 6t - 16, and the distance traveled during the given time interval is 36.67 meters.

Definite integral is the integral of a function whose values of the independent variables have a certain interval.

This kind of integral is frequently used for calculating the acceleration and velocity of a moving object.

a(t) = dv/dt

v(t) = ds/dt

To find the velocity at time t, we look at the given acceleration function:

    a(t) = dv/dt

2t + 6 = dv/dt

     dv = (2t + 6) dt

    v(t) = ∫(2t + 6) dt

          = t² + 6t + C

Knowing that v(0) = -16, we put this into the previous equation so we get C = -16

Now we have the velocity at the time t as follows:

v(t) = t² + 6t - 16

To find the distance traveled, we look at the velocity function:

           v(t) = ds/dt

t² + 6t - 16 = ds / dt

            ds = (t² + 6t - 16) dt

              s = ∫(t² + 6t - 16) dt

                 = 1/3t³ + 3t² - 16t + C

Then we calculate the distance traveled during 0 ≤ t ≤ 5:

s = s(5) - s(0)

  = (1/3 * 5³) + (3 * 5²) - (16 * 5) + C - 0 - 0 + 0 - C

  = 125/3 + 75 - 80

  = 125/3 - 5

  = 125/3 - 15/3

  = 110/3

  ≈ 36.67 meters.

Thus, the velocity at time t is v(t) = t² + 6t - 16, and the distance traveled during the given time interval is 36.67 meters.

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3a-5b when a= -3and b= -2

Answers

The numerical value of the expression 3a - 5b when a = -3 and b = -2 is 1.

What is the numerical value of the given expression?

Given the expression in the question;

3a - 5b

a = -3b = -2

To determine the value of the expression, replace a with -3 and b with -2 for all occurrence of a and b in the expression.

3a - 5b

Plug in a = -3

3( -3 ) - 5b

Plug in b = -2

3( -3 ) - 5( -2 )

-9 -+ 10

10 - 9

Subtract 9 from 10

1

Therefore, the value of the expression is 1.

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Which graph shows the new position of the rectangle after a translation?

Answers

3rd image is translations are rigid transformations that do not change the orientation of the original image.

What is Graph?

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

A translation is a movement of the graph either horizontally parallel to the -axis or vertically parallel to the -axis.

3rd image is translations are rigid transformations that do not change the orientation of the original image.

2 and 4 are rotations and 5 is a dilation.

Hence, 3rd image is translations are rigid transformations that do not change the orientation of the original image.

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an individual who exhibits a mixture of schizophrenic symptoms most likely has undifferentiated schizophrenia. T/F

Answers

False. Undifferentiated schizophrenia is a type of schizophrenia where a person displays general symptoms of the disorder such as hallucinations and delusions, but does not meet the criteria for any of the other subtypes of schizophrenia.

A person exhibiting a mixture of schizophrenic symptoms would likely be diagnosed with schizophrenia, but not as specifically undifferentiated schizophrenia.This disorder is characterized by a mixture of positive and negative symptoms, including delusions, hallucinations, disorganized speech, disorganized behavior, lack of emotion, and social withdrawal. However, a person who exhibits a mixture of schizophrenic symptoms could have any type of schizophrenia, not just undifferentiated schizophrenia. For example, a person could have paranoid schizophrenia, disorganized schizophrenia, or catatonic schizophrenia. To diagnose schizophrenia, a doctor must analyze the patient's symptoms and determine which type of schizophrenia they have.

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imagine that you have a tennis ball and a baseball at different locations. the center of the tennis ball is at <-3,-1,0>m, and the center of the baseball is at <3,5,0>m. the position vector of the baseball is . the position vector of the tennis ball is . the position vector of the tennis ball relative to the baseball is . which of the following images best corresponds to the described geometry?

Answers

So, the two balls are located on the same plane, the x-y plane, with the baseball at <3,5,0>m and the tennis ball at <-3,-1,0>m, with the vector pointing from baseball to the tennis ball is <-6,-6,0>m.

The position vector of the baseball is <3,5,0>m. The position vector of the tennis ball is <-3,-1,0>m.

The position vector of the tennis ball relative to the baseball is the vector pointing from the baseball to the tennis ball and it is calculated by subtracting the position vector of the baseball from the position vector of the tennis ball: <-3,-1,0>m - <3,5,0>m = <-6,-6,0>m

So the two balls are located on the same plane, the x-y plane, with the baseball at <3,5,0>m and the tennis ball at <-3,-1,0>m, with the vector pointing from baseball to the tennis ball is <-6,-6,0>m.

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Simplify 8 - (-5) - 4(-7)

Answers

Answer:

41

Step-by-step explanation:

8 - (-5) - 4(-7)

8- (-5) - (-28)

8 + 5 + 28

13 + 28

41

Answer:

8 - (-5) - 4(-7) = 41

Step-by-step explanation:

Given problem,

→ 8 - (-5) - 4(-7)

Let's solve the problem,

→ 8 - (-5) - 4(-7)

→ 8 + 5 - (4 × -7)

→ 13 - (-28)

→ 13 + 28

→ 41 => final answer

Hence, the answer is 41.

Two vectors A and B are added together to form a vector C. The relationship between the magnitudes of the vectors is given by A+B=C. Which one of the following statements concerning these vectors is true?

Answers

The true statement is " A and B must point in the same direction."

For complete questions refer below

Two vectors A and B are added together to form a vector C. The relationship between the magnitudes of the vectors is given by A + B = C. Which one of the following statements concerning these vectors is true?

A and B must be displacements.A and B must have equal lengths.A and B must point in opposite directions.A and B must point in the same direction.A and B must be at right angles to each other.

According to the question

False: All types of vectors with the same unit may be added using vector analysis, and we add vectors component by component. so, this defilement choice (1).A vector's length is not a factor to take into account before performing the operation, therefore vectors of different lengths can be added.This goes against the assertion since vectors moving in the opposite direction might create a new vector with a negative value.This is true because vectors pointing in the same direction add together to form new vectors.false: This presumption is factually incorrect.

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4) Estimate the sum. Round each num
1/2 + 2/1/20
4
4
8
The sum is approximately
Submit

Answers

The sum of expression 1/2 + 2/(1/2) is obtained to be option B: 4.

What is sum?

The outcome of adding two or more numbers or phrases is known as the sum in mathematics. The sum is a method of bringing things together as a result. To put it another way, adding two or more numbers together results in a new result or total.

The fractional expression is - 1/2 + 2/(1/2)

Apply the fraction reciprocal rule -

If there is a fraction in denominator then it is reciprocated and multiplied.

= 1/2 + 2/(1/2)

= 1/2 + 2(2/1)

= 1/2 + 4

Now, take the LCM and multiply it with the numerators -

= 1/2 + 4

Find the sum of the numbers -

= (1 + 8)/2

= 9/2

= 4.5

When estimated and rounded the number is equivalent to 4.

Therefore, the fractional expression results in 4.

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Estimate the sum. Round the number.

1/2 + 2/(1/2)

The sum is approximately -

A: 0

B: 4

C: -4

D: 8

In how many ways can 3 novels, 2 mathematics books, and 1 chemistry book be arranged on a bookshelf if (a) the books can be arranged in any order? (b) the mathematics books must be together and the novels must be together? (c) the novels must be together, but the other books can be arranged in any order?

Answers

The probability (a) 6! ways; (b) 3! ways; (c) 3!2! ways. 6! = 6 x 5 x 4 = 120, 3! = 3 x 2 x 1 = 6, 3!2! = 3 x 2 x 1 x 2 x 1 = 12.

(a) In this instance, the three novels, two volumes on mathematics, and one book on chemistry can be arranged on the bookshelf in any sequence. By multiplying the number of things in each category, you can arrive at the answer: 3 novels x 2 math books x 1 chemistry book = 6. These things can be arranged in 6! (6 factorial) different ways, which is equal to 120 when multiplied by 6 x 5 x 4.

(b) In this instance, both the novels and the mathematical books must be in the same location. You can figure this out by multiplying the number of things in each category; for example, 3 novels times 1 collection of math books is 3. These things can be arranged in 3! (3 factorial) different ways, which is equal to 3 x 2 x 3.

(c) The other books may be put in any sequence, but the novels in this instance must be together. By multiplying the amount of items in each category, you can arrive at the answer: 3 novels x 2 math books and 2 x 2 chemistry books = 6. These objects can be arranged in 3!2! (3 factorial x 2 factorial) ways, which is equal to 12 when multiplied by 3 x 2 x 1 x 2 x 1.

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find the area of the figure below, composed of a rectangle a d two semicircles. round to the nearest tenth

Answers

The area of the figure given, which is composed of a rectangle and two semicircles, is 154. 27 units ²

How to find the area ?

First, find the area of the rectangle in the composite shape which is :

= Length x Width

= 13 x 8

= 104 units ²

The area of a semi - circle is:

= ( π x r ² ) / 2

Seeing as there are two semi - circles, the area is:

= π x r ²  

= π x 4 ²

= 50. 27 units  ²

The area of the composite shape is therefore:

= 50. 27 + 104

= 154. 27 units ²

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If a,b and c are constants is a(x-b)-c=ax-(ab+c). Explain

Answers

The statement a(x-b)-c = ax-(ab+c) is true because it follows the rules of algebraic operations and the distributive property.

How to explain a(x-b)-c=ax-(ab+c)?

On the left side of the equation, we have a(x-b)-c.

Here, a is a constant and it is being multiplied by (x-b). According to the distributive property, we can rewrite this as:

ax-ab-c.

On the right side of the equation, we have ax-(ab+c)

Here, we have a constant a being multiplied by x and then we have another constant ab and c being subtracted, which we can also rewrite as:

ax - ab -c

As you can see, both sides of the equation are equivalent and the statement is true.

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The coldest temperature recorded in the city of Texas was -22.3°F. The coldest temperature recorded at Vostok station. Antarctica is four times is called what equation can be used to represent the coldest temperature recorded in Vostok station in Fahrenheit. Enter the correct equation in the box.

Answers

The coldest temperature recorded in Vostok station in Fahrenheit is -89.2°F

How to calculate the equation?

An equation simply has to do with the statement that illustrates the variables given. In this case, it is vital to note that two or more components are considered in order to be able to describe the scenario.

It is important to note that an equation is the mathematical statement which can be made up of two expressions which are connected by an equal sign.

The coldest temperature recorded in Vostok station in Fahrenheit is:

= -22.3 × 4

= -89.2°F

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Insert < or > between the pair of integers to make a true statement.
-12 -5


Help me please. asap!

Answers

Answer:

-12 < -5

Step-by-step explanation:

its simple math. -12 is less than -5 because its more negative.

a constant volume of cookie dough is formed into a cylinder with a relatively small height and large radius. when the cookie dough is placed into the oven, the height of the dough decreases as the radius increases, but it retains its cylindrical shape. at time t, the height of the dough is 6 mm, the radius of the dough is 20 mm, and the radius of the dough is increasing at a rate of 2 mm per minute. Part A: At time t, at what rate is the area of the circular surface of the cookie dough increasing with respect to time? (5 points)
Part B: At time t, at what rate is the height of the dough decreasing with respect to time?

Answers

So, the rate at which the area of the circular surface of the cookie dough is increasing with respect to time is 80π mm^2/min and the rate at which the height is decreasing with respect to time is  -2 mm/min.

Part A: The area of the circular surface of the cookie dough is given by A = πr^2, where r is the radius of the dough. The rate at which the area is changing with respect to time is given by dA/dt = 2πr*dr/dt. At time t, the radius is 20 mm and the rate at which it is increasing is 2 mm/min. Therefore, the rate at which the area of the circular surface of the cookie dough is increasing with respect to time is dA/dt = 2π(20 mm)(2 mm/min) = 80π mm^2/min.

Part B: The height of the dough is given by h, and the rate at which the height is decreasing with respect to time is given by dh/dt. Since the dough is retaining its cylindrical shape, the decrease in the height of the dough is exactly the opposite of the increase in the radius. At time t, the rate at which the radius is increasing is 2 mm/min, so the rate at which the height is decreasing with respect to time is dh/dt = -2 mm/min.

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After measuring a set of individuals, a researcher finds that Bob's score is three times greater than Jane's score. These measurements must come from a(n) ___ scale.a. nominal b. interval C. ratio d. ordinal

Answers

After measuring a set of individuals, a researcher finds that Bob's score is three times greater than Jane's score. These measurements must come from a ratio scale

A ratio scale is a type of measurement scale that allows for the comparison of two or more values by using division. After measuring a set of individuals, a researcher finds that Bob's score is three times greater than Jane's score.

In this case, the researcher is comparing Bob's score to Jane's score, and the comparison involves division (Bob's score is three times greater than Jane's score).

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Let (lim)f(x) = 7 and (lim)g(x) = -2. Find lim [f(x) - g(x)].

Answers

lim [f(x) - g(x)] is9.

What is a limit of a function?

Generally, In mathematics, a limit is a value that a function "approaches" as the input of the function "approach" some value.

More formally, given a function f(x) and a value L, we say that "the limit of f(x) as x approaches a is L" if the values of f(x) can be made arbitrarily close to L by taking x sufficiently close to a, but not equal to a.

In other words, the limit of a function describes the behavior of the function as the input gets arbitrarily close to a particular value, but doesn't necessarily equal that value

The limit of the difference between the two functions is the difference of their individual limits. So,

lim [f(x) - g(x)] = lim f(x) - lim g(x)

= 7 - (-2)

= 9.

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En una granja el 15% de los animales son vacas. Sabiendo que hay 30 vacas ¿Cual es el número total de animales?

Answers

The total number of animals in the farm is given by 200

What are percentages?

A percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate the percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word percent means per 100. It is represented by the symbol “%”

Given here: The number of cows is 30 and they form 15% of the total animals on the farm.

Let the number of animals in the form be x then

15% of x=30

x=30×100/15

x=200

Hence, The total number of animals in the farm is given by 200

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find a polynomial polynomial the sum or difference of terms which have variables raised to non-negative integer powers and which have coefficients that may be real or complex that represents the perimeter perimeter the length of the outer edge of a shape. of the rectangle rectangle a quadrilateral containing four right angles. .

Answers

The perimeter of a rectangle can be represented by a polynomial expression. The expression will consist of two terms, one representing the width and one representing the length. Each term will contain a variable, which is to the power of one, multiplied by a coefficient. The sum of the two terms produces the perimeter of the rectangle.

For example, if the width of the rectangle is w and the length is l, then the polynomial expression for the perimeter would be: P = w + l. This expression can also be written in expanded form as: P = w + w + l + l.

By adding more terms to this polynomial expression, the perimeter of more complex rectangles can be found. For example, if the rectangle is not a perfect square, then two additional terms can be added to the polynomial expression. One term will represent the extra width and one term will represent the extra length. By adding these two additional terms, the perimeter of the rectangle can be calculated.

In conclusion, the perimeter of a rectangle can be represented as a polynomial expression, which consists of terms that have variables raised to the power of one and are multiplied by coefficients. By adding more terms to the expression, the perimeter of more complex rectangles can be found.

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Can someone please explain this to me step by step? I am rather confused as to what to do.

Answers

The coordinate of P that divides line AB in the ratio 4:1 is (6.6, 3.8)

What is an equation?

An equation is an expression that shows the relationship between numbers and variables.

If a point O(x, y) divides line segment AB with endpoints A(x₁, y₁) and B(x₂, y₂) in the ratio of n:m. The coordinates of O is:

[tex]x = \frac{n}{n+m}(x_2-x_1)+x_1 \\\\y = \frac{n}{n+m}(y_2-y_1)+y_1[/tex]

Given that P(x, y) divides line AB in the ratio 4:1. The coordinates are A(1, 3) and B(8, 4). Therefore:

[tex]x=\frac{4}{4+1}(8-1) +1=6.6\ unit\\\\y=\frac{4}{4+1}(4-3) +3=3.8\ unit[/tex]

The coordinate of P is (6.6, 3.8)

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Suppose a university has only one women's softball scholarship remaining for the coming year. The final two players that the university is considering are Allison Fealey and Emily Janson. The coaching staff has concluded that the speed and defensive skills are virtually identical for the two players, and that the final decision will be based on which player has the best batting average. Crosstabulations of each player's batting performance in their junior and senior years of high school are as follows.
Outcome Allison Fealey
Junior Senior
Hit 15 79
No Hit 25 175
Total At-Bats 40 254
Outcome Emily Janson
Junior Senior
Hit 74 35
No Hit 130 85
Total At-Bats 204 120
A player's batting average is computed by dividing the number of hits a player has by the total number of at-bats. Batting averages are represented as a decimal number with three places after the decimal. (Round your answers to three decimal places.)
(a) Calculate the batting average for each player in her junior year.
Allison Fealey ___
Emily Janson ___
Calculate the batting average of each player in her senior year.
Allison Fealey ___
Emily Janson ___
Using this analysis, which player should be awarded the scholarship? Explain.
Because ---Select--- (Allison Fealey)? (Emily Janson)? had the higher batting average in both her junior year and senior year, ---Select--- (Allison Fealey)? (Emily Janson)? should receive the scholarship offer.
b) Combine or aggregate the data for the junior and senior years into one crosstabulation.
Outcome Player
Fealey Janson
Hit No Hit Total At-Bats Calculate each player's batting average for the combined two years. (Round your answers to three decimal places.)
Allison Fealey ___
Emily Janson ___
Using this analysis, which player should be awarded the scholarship? Explain.
Because ---Select--- (Allison Fealey)? (Emily Janson)? has the higher batting average over the combined junior and senior years, ---Select--- (Allison Fealey)? (Emily Janson)? should receive the scholarship offer.
c) Are the recommendations you made in parts (a) and (b) consistent? Explain any apparent inconsistencies.
The recommendations in parts (a) and (b) ---Select--- (are)? (are not consistent)?. This is an example of ---Select--- (crosstabulation rule)? (aggregation rule)? (conclusions paradox)? (Simpson's Paradox)?. It shows that in interpreting the results based upon separate or un-aggregated crosstabulations, the conclusion can be ---Select--- (reversed)? (the same)? when the crosstabulations are grouped or aggregated.

Answers

Emily Janson should receive the scholarship offer because she has the higher batting average over the combined junior and senior years.

The batting average of a player is calculated by dividing the number of hits they have by the total number of at-bats. This can be expressed as a formula: Batting Average = H/AB.

For Allison Fealey, her junior year batting average can be calculated by dividing the number of hits (15) by the total number of at-bats (40), which is 0.375. Emily Janson’s junior year batting average can be calculated by dividing the number of hits (74) by the total number of at-bats (204), which is 0.363

For Allison Fealey, her senior year batting average can be calculated by dividing the number of hits (79) by the total number of at-bats (254), which is 0.310. Emily Janson’s senior year batting average can be calculated by dividing the number of hits (35) by the total number of at-bats (120), which is 0.292.

When the data from the junior and senior years were combined and aggregated, Allison Fealey’s combined two-year batting average can be calculated by dividing the number of hits (94) by the total number of at-bats (294), which is 0.320. Emily Janson’s combined two-year batting average can be calculated by dividing the number of hits (109) by the total number of at-bats (324), which is 0.336.

Based on this analysis, Emily Janson should receive the scholarship offer because she has the higher batting average over the combined junior and senior years.

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The side length of the square is 14 units long, what is the diameter of the circular base of the cylinder from the picture in number 1?

Answers

Answer: the diameter of the circle is about 19.8

Step-by-step explanation:

Since the length of the square is 14 units, we can use the Pythagorean theorem to find the diagonal:

14^2 + 14^2 = c^2

196 + 196 =c^2

392 = c^2

c = about 19.8

Answer:

19.8

Step-by-step explanation:

The diameter of the base of the cylinder is equal to the diagonal of the inscribed square and is equal to the hypotenuse of an equilateral triangle into which the square is divided by diagonals ... By the Pythagorean theorem, the diameter (hypotenuse) is equal to the square root of the sum of the squares of the legs and is equal to 19.8

Calculate the limit:

lim[(x,y) -> (0,0)] [3(x^2)y / (x^2 + y^2)]

Answers

The limit does not exist because the function is not defined at (x,y) = (0,0)You can see this by plugging in (x,y) = (0,0) into the function, you get 3(0^2) * 0 / (0^2 + 0^2) = 0 / 0 which is an indeterminate form.

Why is limit defined?

In Mathematics, a limit is defined as a value that a function approaches the output for the given input values. Calculus and mathematical depend on limits, which are also used to determine integrals, derivative, and continuity.

What are types of limits?

There are each limits (left- and proper limits), infinite limits, and limitations at infinity in addition to regular, two-sided limits.

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Many people have misconceptions about how profitable small, consistent investments can be. In a survey of 1010 randomly selected U.S. adults (Associated Press, October 29, 1999), only 374 responded that they thought that an investment of $25 per week over 40 years with a 7% annual return would result in a sum of over $100,000 (the correct amount is $286,640). Is there sufficient evidence to conclude that less than 40% of U.S. adults are aware that such an investment would result in a sum of over $100,000? Test the relevant hypotheses using α =.05.

Answers

No, there is not. We do not have sufficient evidence to conclude that less than 40% of U.S. adults are aware that such an investment would result in a sum of over $100,000.

Two-Proportion Z-Test Results

To test the hypothesis that less than 40% of U.S. adults are aware that such an investment would result in a sum of over $100,000, we can use a two-proportion z-test. The null hypothesis is that the proportion of U.S. adults who are aware of the investment's outcome is equal to or greater than 40%, and the alternative hypothesis is that the proportion is less than 40%.

The test statistic is calculated as:

z = (p1 - p2) / √(p(1-p)(1/n1 + 1/n2))

where p1 is the proportion of U.S. adults in the sample who are aware of the investment's outcome (374/1010), p2 is the proportion assumed in the null hypothesis (0.4), and n1 and n2 are the number of observations in the sample and population, respectively.

Using these values, the test statistic is:

z = (0.369 - 0.4) / √(0.4(1-0.4)(1/1010)) = -1.08

Using a two-sided test with a significance level of 0.05, we can look up the critical value in a standard normal table or using software and find that the critical value is ±1.96. Since -1.08 is between -1.96 and 1.96, we fail to reject the null hypothesis.

Therefore, we do not have sufficient evidence to conclude that less than 40% of U.S. adults are aware that such an investment would result in a sum of over $100,000.

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