when choosing a sample size for a population proportion a practitioner is considering either setting p* = 0.5, or, using a preliminary estimate of p-hat = 0.7. which is true?

Step-by-step explanation:

it dropped to Celsius degree

Answer:

y=-x+9

Step-by-step explanation:

Finally, using the initial conditions y(0) = 8 and y'(0) = 6, we can solve for the constants A and B to get

y(t) = (8/3)*cos((3/2)*sqrt(2)*t) + (16/3)*sin((3/2)*sqrt(2)*t).

To find y as a function of t, we first need to solve the differential equation 8y" + 27y = 0. We can do this by assuming a solution of the form y(t) = A*cos(wt) + B*sin(wt),

where A and B are constants and w is the angular frequency. We can then differentiate y(t) twice to find y'(t) and y''(t), and substitute these into the differential equation to get the equation 8(-w^2*A*cos(wt) - w^2*B*sin(wt)) + 27(A*cos(wt) + B*sin(wt)) = 0.

Simplifying this equation gives us the equation

(-8w^2 + 27)*A*cos(wt) + (-8w^2 + 27)*B*sin(wt) = 0.

Since this equation must hold for all t, we must have (-8w^2 + 27)*A = 0 and (-8w^2 + 27)*B = 0.

Solving for w gives us w = (3/2)*sqrt(2) and

w = -(3/2)*sqrt(2).

Plugging these values into our solution for y(t) gives us

y(t) = (8/3)*cos((3/2)*sqrt(2)*t) + (16/3)*sin((3/2)*sqrt(2)*t).

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Consequently, 15 is the third partial total of the sequence.

The area of mathematics known as arithmetic deals with the mathematical study of numbers and the numerous procedures that can be performed on them. Addition, subtraction, multiplication, and division are the fundamental mathematical processes. The icons listed above stand in for these processes.

The given series is an arithmetic series with first term a1 = 2 and common difference d = 3.

To find the third partial sum, we need to add the first three terms of the series:

S₃ = 2 + 5 + 8

S₃ = 15

Therefore, the third partial sum of the series is 15.

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An explanation of an event that is based on repeated observations and experiments is a scientific theory

A thorough, well-researched explanation of a natural occurrence constitutes a scientific theory.

We frequently use the word "theory" to refer to a hypothesis or informed guess in common speech, but in science, a theory is an explanation that is the result of a substantial and repeated investigation. The purpose of theories is to explain a broad concept; they are not intended to establish facts

Some of the most well-known and complicated events are explained by scientific theories. The theories of relativity, evolution, and gravity are a handful of the most well-known scientific concepts.

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under the restrictions that c is negative to ensure strict concavity, the utility function u(w) = -(b - w)c displays increasing absolute risk aversion.

To ensure that u(w) is strictly increasing, we need the derivative of u(w) with respect to w to be positive for all values of w. Taking the derivative, we have du(w)/dw = -c. For u(w) to be strictly increasing, -c must be positive, which implies c must be negative.

To ensure that u(w) is strictly concave, we need the second derivative of u(w) with respect to w to be negative for all values of w. Taking the second derivative, we have d²u(w)/dw² = 0. Since the second derivative is constant and negative, u(w) is strictly concave.

Now, let's examine the concept of increasing absolute risk aversion. If a utility function u(w) exhibits increasing absolute risk aversion, it means that as wealth (w) increases, the individual becomes more risk-averse.

In the given utility function u(w) = -(b - w)c, when c is negative (as required for strict concavity), the absolute risk aversion increases as wealth (w) increases. This is because the negative sign implies that the utility function is concave, indicating that the individual becomes more risk-averse as wealth increases.

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Step-by-step explanation:

We can use trigonometry to solve this problem. Let's draw a diagram:

```

A - observer (1.5 m above ground)

B - base of the clock tower

C - top of the clock tower

D - intersection of AB and the horizontal ground

E - point on the ground directly below C

C

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B

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A

```

We want to find the height of the clock tower, which is CE. We have the angle of elevation ACD, which is 19 degrees, and the distance AB, which is 100 m. We can use tangent to find CE:

tan(ACD) = CE / AB

tan(19) = CE / 100

CE = 100 * tan(19)

CE ≈ 34.5 m (rounded to 1 decimal place)

Therefore, the height of the clock tower is approximately 34.5 m.

Given:

To solve for j :

Explanation:

Multiplying by 2 on both sides,

Adding 38 on both sides, we get

Final answer:

The value of j is 6.

Answer:

15

Step-by-step explanation:

90 ÷ 6 = 15

to convert a faction to a whole number divide the top number by the bottom number

Answer:

Yes, it has a whole number

Step-by-step explanation:

Here,

90/6 = 15

The answer is 15

Thus, it has a whole number.

-TheUnknownScientist 72

Answer:

(4,4)

Step-by-step explanation:

The solution set of the system of equations can be found by setting the two equations equal to each other and solving for x.

x^2 - 6x + 12 = 2x - 4

x^2 - 8x + 16 = 0

(x - 4)^2 = 0

x = 4

Since both equations in the system are equal to y, we can substitute x = 4 into either equation to find the corresponding value of y.

y = 2x - 4 = 2(4) - 4 = 4

Therefore, the solution of this system of equations is (4, 4).

Therefore, the correct answer is (4, 4).

Answer:

3

Step-by-step explanation:

Step 1: Write expression

-3 - (-6)

Step 2: Simplify

-3 + 6

Step 3: Combine

3

Answer:

hope it helps

Step-by-step explanation:

Rank Topic Problem Formatted Problem

1 Factor x^2‑4 x2−4x2‑4

2 Factor 4x^2+20x+16 4x2+20x+164x2+20x+16

3 Graph y=‑x^2 y=−x2y=‑x2

An unnormalized relation refers to a table in a relational database that contains more than one row. This means that there are duplicate rows in the table, which violates the rules of normalization.

Normalization is a process in database design that aims to eliminate data redundancy and ensure data integrity. It involves breaking down a database into multiple tables and defining relationships between them. By doing so, we can efficiently store and retrieve data while minimizing inconsistencies.

In an unnormalized relation, duplicate rows can lead to various problems. For example, it can result in data inconsistencies, as updating one instance of a row may not reflect changes in other duplicate rows. Additionally, it can cause unnecessary storage and maintenance overhead.

To normalize an unnormalized relation, we need to identify the functional dependencies in the table and create separate tables for related data. This helps organize the data and reduces redundancy.

In summary, an unnormalized relation is a table in a relational database that has duplicate rows. It is important to normalize such relations to ensure data integrity and efficiency.

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Answer:

\(y = 2x + 9\)

Step-by-step explanation:

It is given that the slope of the line is 2, and it passes through (-3 , 3). The equation of straight lines is y = mx + b, in which:

y = (x , y) = 3

m = slope (gradient) = 2

x = (x , y) = -3

b = y-intercept

~

Plug in the corresponding numbers to the corresponding variables:

y = mx + b

3 = (2)(-3) + b

First, multiply -3 with 2:

\(3 = (2)(-3) + b\\3 = (2 * -3) + b\\3 = -6 + b\)

Next, isolate the variable, b. Note the equal sign, what you do to one side, you do to the other. Add 6 to both sides of the equation:

\(3 = b - 6\\3 (+6) = b - 6 (+6)\\b = 3 + 6\\b = 9\)

Plug in 2 for slope, and 9 for y-intercept, in the given equation:

\(y = mx + b\\m = 2\\b = 9\\\)

\(y = 2x + 9\) is your answer.

~

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In the given system of equations one taco costs $0.80 and one burrito costs $0.72.

An equation system is a finite collection of equations for which we searched for the common solutions. It is sometimes referred to as a set of simultaneous equations or an equation set. The classification of a system of equations is similar to that of a single equation. In modelling issues where the unknown values may be expressed in the form of variables, a system of equations finds use in everyday life.

Let us suppose the cost of one taco = x.

Let us suppose the cost of one burrito = y.

Then, for Emma we have:

3x + y = 3.65

For Cooper we have:

x + 2y = 3.30

Using elimination, multiply the first equation by 2 and subtract it from the second equation:

(2)(3x + y = 3.65)

6x + 2y = 7.30

x + 2y = 3.30

-5x = -4

x = 4/5

Substituting this value of x into either equation:

3(4/5) + y = 3.65

y = 2.15/3 ≈ 0.72

Therefore, one taco costs $0.80 and one burrito costs $0.72.

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Answer:

you need to reverse the symbol in inequality a.

Step-by-step explanation:

i hope this helps :)

The population density is 1/4 if one billion people each stood on adjacent 2-foot by 2-foot squares.

A measure of a region's population is called its population density. It's a common number. By dividing the population by the area, population density is determined. The number of persons per area is typically used to indicate population density.

Given that one billion people each stood on adjacent 2-foot by 2-foot squares.

Total population = 1 billion

Area covered by one person = 2×2 square feet.

= 4 square feet

Total area = 4×1 billion square feet

= 4 billion square feet

Population density = Population/area

= 1 billion/ 4 billion

= 1/4

Therefore, the population density is 1/4.

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According to the expectancy theory, there is a problem in the effort-performance relationship between Paul's extra effort and his manager's recognition.

In Paul's case, he has put in extra effort, expecting it to be recognized by his manager. However, the lack of recognition indicates a breakdown in the effort-performance relationship. Paul's belief that his efforts would lead to successful performance and rewards has been undermined, resulting in disappointment.

The expectancy theory posits that individuals are motivated when they believe their efforts will result in desired performance outcomes and rewards. In this case, Paul's expectation of receiving recognition from his manager is the link between his effort and desired outcome. However, the lack of recognition suggests that the manager's acknowledgment of effort is not aligned with Paul's expectations, creating a problem in the effort-performance relationship. This disconnect can lead to decreased motivation and dissatisfaction for Paul, as his efforts have not been acknowledged as he anticipated.

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Answer:

A

Step-by-step explanation:

z, duehdhdhd 2747 36veuend

Each of Polina's juice pouches holds 7 fluid ounces of juice. A equation that connects the quantity of juice in each pouch to the overall amount in fluid ounces is p-7j=0.

Given that,

Each of Polina's juice pouches holds 7 fluid ounces of juice.

We have to create a equation that connects the quantity of juice in each pouch (p) to the overall amount (j) in fluid ounces.

The equation is p=7j

p-7j=0

Therefore, a equation that connects the quantity of juice in each pouch (p) to the overall amount (j) in fluid ounces is p-7j=0.

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Answer:

  c.  29°

Step-by-step explanation:

The measure of the inscribed angle x is half the measure of subtended arc BC.

  x = 58°/2 = 29°

Answer:

Step-by-step explanation:

Slope-intercept form:

If m = 0, then:

Parallel lines have same slope, so line k has similar formula. Having  point (-1, -9) on this line, its equation will be:

So for any x-coordinate, this line has one value: -9 as y-coordinate

Correct answer option: A. -9

In conclusion the temperature range for bituminous material is between 93.3°C and 126.7°C, the temperature range for the water solution is between 18.3°C and 37.8°C, the temperature range for the mixing gel is between 71.1°C and 98.9°C.

How to solve?

To convert temperatures from Fahrenheit (°F) to Celsius (°C), we can use the following formula:

°C = (°F - 32) × 5/9

A) Bituminous material must be between 200°F and 260°F.

To convert these temperatures to Celsius, we can use the formula:

The lower limit of 200°F is (200 - 32) × 5/9 = 93.3°C.

The upper limit of 260°F is (260 - 32) × 5/9 = 126.7°C.

Therefore, the temperature range for bituminous material is between 93.3°C and 126.7°C.

B) Water solution must be between 65°F and 100°F.

To convert these temperatures to Celsius, we can use the formula:

The lower limit of 65°F is (65 - 32) × 5/9 = 18.3°C.

The upper limit of 100°F is (100 - 32) × 5/9 = 37.8°C.

Therefore, the temperature range for the water solution is between 18.3°C and 37.8°C.

C) The mixing gel must be between 160°F and 210°F.

To convert these temperatures to Celsius, we can use the formula:

The lower limit of 160°F is (160 - 32) × 5/9 = 71.1°C.

The upper limit of 210°F is (210 - 32) × 5/9 = 98.9°C.

Therefore, the temperature range for the mixing gel is between 71.1°C and 98.9°C.

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Answer:

Move each point 2 left then 3 up then connect the dots

Step-by-step explanation:

Answer:

m = 600 feet/minute

Step-by-step explanation:

In this scenario, the elevation of the hot air balloon can be represented as a linear function of time. Let's use t to denote time in minutes and h(t) to denote the elevation of the balloon in feet at time t.

We know that the balloon starts at an elevation of 300 feet, so we can write the equation of the line as:

h(t) = 600t + 300

The slope of the line represents the rate of change of the elevation with respect to time, which is the same as the rate at which the balloon is ascending. Therefore, the slope of the line is equal to the ascent rate of the balloon, which is 600 feet per minute.

So the slope of the line is:

m = 600 feet/minute

Answer:

18 green eyed dolls and 34 blue eyed dolls

Step-by-step explanation:

Cadence has a total of 52 dolls, either green eyed or blue eyed so lets take the number of green eyed dolls as g and the number of blue eyed dolls as b. So you have

b + g = 52

also we know b is 16 greater than g so

b - 16 = g

transpose 16 & g

b - g = 16

Now we add the equations

b+g = 52

b-g = 16

______

2b = 68

(+g and -g cancel each other out)

so b = 34

If we put 34 into an earlier equation

34 + g = 52

g = 52 - 34

g= 18

Two or more expressions separated with an equal sign is called as equation. y=24-x is the value for y of equation 4x-y=24.

Two or more expressions separated with an equal sign is called as equation.

The given equation is

4x-y=24.

In the given equation x and y are variables.

We are required to solve for y variable.

subtract both sides by -4x

4x-y-4x=24-4x

-y=24-4x

Multiply both sides by minus

y=-24+4x

y=4x-24

Therefore the solution for y is 4x-24.

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Using the law of sine on the given triangle, we get the measure of y as given by: Option C: 2.5 units

For any triangle ABC, with side measures |BC| = a. |AC| = b. |AB| = c,

we have, by law of sines,

\(\dfrac{\sin\angle A}{a} = \dfrac{\sin\angle B}{b} = \dfrac{\sin\angle C}{c}\)

Remember that we took

\(\dfrac{\sin(angle)}{\text{length of the side opposite to that angle}}\)

For this case, the missing image is attached below.

Applying the sine law, as we have:

The first two angles Y and Z are enough. (we use angle Z as the length of the side opposite to Z is known).

Using sine law, we get:

\(\dfrac{\sin(m\angle Y)}{y} = \dfrac{\sin(m\angle Z)}{2}\\\\y = \dfrac{\sin(75^\circ) \times 2}{\sin(50^\circ)} \approx 2.522 \approx 2.5 \: \rm units\)

Thus, using the law of sine on the given triangle, we get the measure of y as given by: Option C: 2.5 units

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The set of points that represents a relation and a function are given as follows:

A relation represents a function when each input value is mapped to a single output value.

Hence the desired relations are given as follows:

As they both have different inputs, hence each input is mapped to a single output and they are functions.

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