when there is more than two population means, which statistical analysis should be used to see the simple significant mean difference? a) paired t test b) dependent t test c) independent t test d) f test

Answer:

H= 4/5.

Step-by-step explanation:

HOPE THIS HELPS!!!

Answer:

h=4/5

Step-by-step explanation:

h+6/5=2    Make 2 into a fraction with 5 (five times two)

h+6/5=10/5    Get h by its self

   -6/5  -6/5

h=4/5

Answer:

67%

Step-by-step explanation:

Given : A department store buys 300 shirts at a cost of $1800 .

Then By unitary method , the cost of one shirt = Cost of 300 shirts divided by 300

= $1800 ÷ 300 = $6

i.e. cost of one shirt = $6

Also, Selling price of one shirt = $10

Price mark up = Selling price - Cost price

= $10-$6 = $4

The  percent mark up=

(rounded to the nearest percent)

Hence, the percent markup = 67%

The probability that the socks will not be blue would be =11/14.

Probability can be defined as the expression that shows the possibility of the occurrence of an event.

The formula that is used to calculate probability = the chosen events/total number of outcomes.

The total number of black socks = 8

The total number of blue socks = 6

The total number of white socks = 14

The total number of socks (outcomes) = 8+6+14 = 28

The socks that are not blue = 8+14 = 2

Therefore the probability that they socks won't be blue = 22/28 = 11/14.

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Step-by-step explanation:

All 3 angles add up to be 180 due to sum of angles in a triangle.

Given this fact,

\(38 - 5x + 83 + 24 = 180 \\ 145 - 5x = 180 \\ - 5x = 180 - 145 \\ - 5x = 35 \\ x = 35 \div - 5 \\ = - 7\)

Answer:

(38 - 5x)⁰ + 83⁰ + 24⁰ = 180⁰

<=> (38 + 83 + 24) - 5x = 180

<=> 145 - 5x = 180

<=> 5x = 145 - 180

<=> 5x = - 35

<=> x = - 7

Answer:

4= 40.0    5=10.0 chance

Answer:

a

Step-by-step explanation:

kbhdghggjkljgggjjhgcd Dr

Option B, Justice is one of four ethical concepts. The definition states that there must be fairness in all medical judgments.

Four ethical principles: autonomy, benevolence, harmlessness, and justice. Each of these principles serves a specific purpose, but all four work together to empower you as healthcare professionals and ensure that your patients receive high-quality, ethical care.

The literal concept of autonomy and the medical concept of autonomy diverge and intersect. Charity is an act of compassion or mercy. The activities of all healthcare workers should always be positive. Of the four principles of medical ethics, harmlessness is the most important.

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Answer:

Trinomial

Step-by-step explanation:

yes they're considered terms

As t approaches positive infinity, f(t) tends to negative infinity, and as t approaches negative infinity, f(t) tends to positive infinity.

To find the end behavior of the function f(t) = -2t^4(2-t)(t+1) as t approaches positive infinity and negative infinity, we can examine the highest degree term in the expression.As t approaches positive infinity, the dominant term is -2t^4. Since the coefficient is negative, this term will tend to negative infinity. The other terms (-2+t) and (t+1) are of lower degree and will have a negligible effect as t becomes very large. Therefore, the overall behavior of f(t) as t approaches positive infinity is that it tends to negative infinity.

Similarly, as t approaches negative infinity, the dominant term is still -2t^4. However, this time the coefficient is negative, so the term will tend to positive infinity. Again, the other terms (-2+t) and (t+1) become negligible as t becomes very large in the negative direction. Therefore, the overall behavior of f(t) as t approaches negative infinity is that it tends to positive infinity.

In summary, as t approaches positive infinity, f(t) tends to negative infinity, and as t approaches negative infinity, f(t) tends to positive infinity.

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Answers:

Letters 'a', b, and h are never used.

Letters c and f show up twice each; e shows up 3 times.

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Explanations:

---------------

None of the angle pairs mentioned are consecutive interior angles. These types of angles are on the same side of the transversal, and inside the parallel lines. So we never use option 'a'. We cross off option h as well for pretty much identical reasoning. Options 'a' and h are the same thing, just slightly different wording.

We cross off option b as well because none of the angles add up to 90 degrees.

The cost of the tabletop is $251.10. Option C

The formula for calculating the area of a rectangle is expressed as;

Area = lw

Such that the parameters are;

From the diagram shown, we have;

The width = 6 3/4 feet = 27/4 feet

The length = 3 feet

Substitute the values

Area = 27/4 × 3

Multiply

Area = 20. 25 square feet

But;

1 square foot = $12.40

Then  20. 25 square feet = x

x = $251. 10

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If a sector of a circle has a central angle measure of 90°, and an area of 7 square inches then the area of the entire circle is 35.44 square inches.

We can use the formula for the area of a sector to solve this problem:

Area of sector = (θ/360)πr²

We are given that the central angle measure is 90°,

so θ = 90.

Area of the sector is 7 square inches.

We can set up an equation:

7 = (90/360)πr²

7 = (1/4)πr²

Multiplying both sides by 4/π, we get:

28/π = r²

r =3.36 inches

Now that we know the radius of the circle, we can find its area using the formula:

Area of circle = πr²

Substituting r = 3.36, we get:

Area of circle = 35.44 square inches

Therefore, the area of the entire circle is 35.44 square inches.

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Answer:

C

Step-by-step explanation:

Can't be B or D because the slope is negative but B and D have positive slopes. It's not A because slope is y2-y1/x2-x1. Take points (0,8) and (6,5) to plug into equation.

5-8/6-0= -3/6=-1/2

Therefore the answer is C since the y-intercept is 8 and the slope is -1/2

Answer:

Part A : 9.555 . 10^38

Part B : 7.4 . 10^-3

Step-by-step explanation:

\(3.9 \: . \: {10}^{33} . \: 2.45 \: . \: {10}^{5} \\ 3.9 \: . \: 2.45 \: . \: {10}^{33 + 5} \\ 9.555 \: . \: {10}^{38} \\ \)

\(7.4 \: . \: {10}^{ - 3}mm \\ 7.4 \: . \: \frac{1}{ {10}^{3} } \\ 0.0074mm\)

\(7.4 \: . \: {10}^{3}mm \\ 7.4 \: . \: 1000 \\ 7400mm\)

A blood cell is too small. So the more reasonable measurement is 0.0074mm.

Answer:

To understand their poems better

Step-by-step explanation:

First you have a general knowledge on why the author made the poem

Second you now have more info to use in order to understand the poems

Third is the same reason why there are people in history books.

Answer:

5 in

Step-by-step explanation:

by doing a proportion of 2/4 for the known sides, you can find that the smaller triangle has sides that are half of the larger one. so 10/2 equals 5

Answer: X = 5

Step-by-step explanation:

4 divided by 2 = 2

So 10 divided by 2 = 5

Answer:

x=9

Step-by-step explanation:

1. Combine like terms

2. Add 6 to both sides

3. Simplify

Answer:

D. mZCAB = 70° and mLDAB = 20°

Step-by-step explanation:

An angle bisector is a line that divides a given angle into two equal parts. From the given question:

if angle CAD is divided into two unequal angles by AB, then AB is not an angle bisector of ZCAD.

For example: let mCAD = \(90^{o}\). Then if mCAB = mDAB = \(45^{o}\), then AB is an angle bisector.

But if mCAB \(\neq\) mDAB, then AB is not an angle bisector. Eg: mZCAB = 70° and mLDAB = 20°

Answer:

f

Step-by-step explanation:

Answer:

11 cm³

Step-by-step explanation:

the volume of a pyramid is \(\frac{1}{3}\) the volume of the congruent prism, so

volume of pyramid = \(\frac{1}{3}\) × 33 cm³ = 11 cm³

The ratio of the vertical change to the horizontal change between any two points on a line is called the slope of the line.

A ratio is a relationship between two or more numbers that shows how much bigger or smaller one value is compared to another. In mathematics, ratios are often used to compare quantities or amounts, such as the amount of money spent on two different items or the distance traveled over a certain period of time. The ratio of the vertical change to the horizontal change to any two points on a line is called the slope of the line.

This is a fundamental concept in geometry and algebra, and it is used to describe the steepness of a line. The slope is often denoted by the letter m, and it is calculated as follows:m = (y₂ - y₁) / (x₂ - x₁)Where (x₁, y₁) and (x₂, y₂) are two points on the line. The slope is positive if the line is increasing from left to right, negative if the line is decreasing from left to right, and zero if the line is horizontal.

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Answer:

16 cm^2

Step-by-step explanation:

Formula = 1/2 * base * height

1/2 * 8 * 4 = 16

16 cm^2

Solving the system of equations, it is found that Adrienne invested $1,366.67 in account A and $1,533.33 in account B.

The variables are:

The equations are:

\(a + b = 2900\)

\(0.03a + 0.05b = 133\)

From the first equation:

\(a = 2900 - b\)

Replacing on the second:

\(0.03a + 0.05b = 133\)

\(0.03(2900 - b) + 0.05b = 133\)

\(0.03b = 46\)

\(b = \frac{46}{0.03}\)

\(b = 1533.33\)

Then, on the first equation:

\(a = 2900 - b = 2900 - 1533.33 = 1366.67 \)

Hence, Adrienne invested $1,366.67 in account A and $1,533.33 in account B.

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As a result of answering the question, we may state that Hence, the pyramid's volume is around 18.3 cubic metros.

In mathematical terms, a pyramid is a polygons created by joining points known as bases and polygonal vertices. A triangle known as a face is created for each hace and vertex. a polygonally shaped cone. There are n+1 vertices, n+1 vertices, and 2n edges in a pyramid with a floor and n pyramids. Every pyramid is self-dual. Three dimensions can be seen in a pyramid. A pyramid has a flat tri face and a polygonal base that unite at a single point known as the vertex. By joining the base and peak, a pyramid is created. The base's edges form triangle faces known as sides that connect to the top.

The formula for a pyramid's volume is:

V = base area * height * (1/3)

Given that the pyramid's base is a square with a surface area of 6.5 m2, we can calculate the lengths of its four sides as follows:

S is equal to sqrt(area) = sqrt(6.5) 2.55 m.

We can now change the values in the formula to:

\(V = (1/3) * (6.5 m^2) * (8.6 m) = 18.3333... m^3\)

This results when we round to the closest tenth of a cubic m

\(V = 18.3 m^3\)

Hence, the pyramid's volume is around 18.3 cubic m

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Answer:

PQ = 31

Step-by-step explanation:

Assuming you're the same person I helped before and this still has Q as the midpoint of PR, we get PQ = QR.

\(PQ=2x+1=QR=5x-44\\2x+1=5x-44\\1=3x-44\\45=3x\\15=x\\x=15\\\\PQ=2(15)+1\\PQ=30+1\\PQ=31\)

Solution :

In the given question, P is mid point of PQ, therefore

let's solve for x :

\( \hookrightarrow \: 2x + 1 = 5x - 44\)

\( \hookrightarrow \: 5x - 2x = 1 + 44\)

\( \hookrightarrow \: 3x = 45\)

\( \hookrightarrow \: x = 45 \div 3\)

\( \hookrightarrow \: x = 15\)

now, let's find measure of PQ :

\( \hookrightarrow \: PQ = 2x + 1\)

\( \hookrightarrow \: PQ = (15 \times 2) + 1\)

\( \hookrightarrow \: PQ = 30 + 1\)

\( \hookrightarrow \: PQ = 31 \: \: units\)

Answer:

It's 76 degrees

Step-by-step explanation:

Thanks for branliest

Answer:

76

Step-by-step explanation:

the interior angles of a triangle always add up to 180 degrees, so all we have to do is add the 2 angle values that we know, so 48 + 56=104, then we subtract that from 180 to get 76. Hope this helps!

The expected instantaneous rate of change, denoted as r, for a geometric Brownian motion stock price (St) represents the average rate at which the stock price is expected to change at any given point in time. It is typically expressed as a constant or a deterministic function.

On the other hand, the expected return, denoted as r - 0.5σ^2, on the stock ln(St) over an interval of time [0,t] represents the average rate of growth or change in the logarithm of the stock price over that time period. It takes into account the volatility of the stock, represented by σ, and adjusts the expected rate of return accordingly.

The key difference between the two is that the expected instantaneous rate of change (r) for the stock price represents the average rate of change at any given moment, while the expected return (r - 0.5σ^2)t on the stock ln(St) over an interval of time considers the cumulative effect of volatility on the rate of return over that specific time period.

In other words, the expected instantaneous rate of change focuses on the average rate of change at a specific point in time, disregarding the impact of volatility. On the other hand, the expected return over a given interval of time accounts for the volatility in the stock price and adjusts the expected rate of return to reflect the effect of that volatility.

The expected instantaneous rate of change (r) for a geometric Brownian motion stock price represents the average rate of change at any given moment, while the expected return (r - 0.5σ^2)t on the stock ln(St) over an interval of time considers the cumulative effect of volatility on the rate of return over that specific time period.

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Answer:

the correct answer should be 144

Answer:

144

Step-by-step explanation:

180*20% is 36 so 180-36 is 144

The ionic, covalent, or metallic bonds in the compounds given are identified:

(A) Metallic bonding in steel.

(B) Covalent bonding and propane.

(C) The ionic bonding in calcium chloride.

(D) Covalent bonding in water.

Ionic bonds are created when electrons are transferred from one atom to another.

A metal atom and a non-metal atom join together to form an ionic bond.

A covalent bond is one that is created when electrons are transferred from one atom to another.

Only two or more atoms of a non-metal can create a covalent connection.

Iron and carbon are combined to form steel, which has less than 2% carbon, 1% manganese, and trace amounts of silicon, phosphorus, oxygen, and sulfur.

The bond that forms when metal atoms are kept together is known as a metallic bond.

Steel is comprised of a metallic bond as a result.

The sole atoms in propane's chemical formula are non-metals, giving it the symbol CH₃CH₂CH₃.

Therefore, electron sharing occurs in such atoms, causing covalent bonding to existing.

Consequently, covalent bonds are what make up the propane.

Both metal and non-metal atoms can be found in calcium chloride.

This denotes a transfer of electrons from the calcium atom to the chlorine atom.

As a result, the bond in calcium chloride is an ionic bond.

Chemically, water has the formula H₂O.

Since there are non-metal atoms present, hydrogen and oxygen atoms share electrons in that region. So, water contains covalent bonds.

Therefore, the ionic, covalent, or metallic bonds in the compounds given are identified:

(A) Metallic bonding in steel.

(B) Covalent bonding and propane.

(C) The ionic bonding in calcium chloride.

(D) Covalent bonding in water.

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Answer:

Step-by-step explanation:

Based on your understanding of how bond types influence a material’s properties, identify each of the following compounds as being made of ionic, covalent, or metallic bonds.

Steel: ✔ metallic

Propane: ✔ covalent

Calcium chloride: ✔ ionic

Water: ✔ covalent