the volume of a room is 729 cubic feet. the contractor to tiles the floor. before he buys the materials, he needs to know the area of the floor. what is the area of the floor?
plz help me. I make you brainlist ​

The time required for a student to complete a quiz is a continuous quantitative variable, as it can take on any value within a range and involves numerical measurements.



The type of variable in the statement "The time required for a student to complete a quiz" is a continuous quantitative variable.

A variable is considered quantitative when it represents numerical values that can be measured and counted. In this case, the variable is time, which is a numerical measurement. The time required for a student to complete a quiz can take on any value within a continuous range, such as 10 minutes, 15.5 minutes, or 23.75 minutes. It can include decimal points and can take on any value within the range of possible durations.

The term "continuous" refers to the fact that the variable can take on an infinite number of possible values within a given range, with no gaps or interruptions. In contrast, a discrete variable would have a finite number of possible values or distinct categories.

Furthermore, the term "quantitative" indicates that the variable is a numerical measurement, allowing for mathematical operations like addition, subtraction, and averaging.

Therefore, the time required for a student to complete a quiz is a continuous quantitative variable.

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The power of a test is measured by its capability of rejecting a null hypothesis that is false, so option C is the correct answer

what is power with respect to probability?

Power is defined as the probability of correctly rejecting the false null hypothesis. It is the measure of the capability of rejecting a null hypothesis that is false.

Power = P[ rejecting a null hypothesis that is false.]

So, option C is correct, the power of a test is measured by its capability of rejecting a null hypothesis that is false

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Answer:

16 is correct

Step-by-step explanation:

Answer:

I believe it is 8

Step-by-step explanation:

Edit: It said the average rate of change over the interval AC.

1. So I just added 2+6+18=26

2. Next to get the average interval you have to divide by how many numbers there were in the equation which is THREE

3. So 26/3 is 8.66 repeating but if you round up to whole number it would be 8.

In regression analysis, if the dependent variable is measured in dollars, the independent variable can be units.

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Answer:

8/3

Step-by-step explanation:

9514 1404 393

Answer:

  see below

Step-by-step explanation:

The term y/2 tells you that any integer solution must include an even value of y. That is, y=3 cannot be part of an integer solution.

When we use the ordered pair (x, y) = (2, -4) in the equation, we get ...

  6(2) -(-4)/2 = 12 +2 = 14 . . . . . satisfies the equation

Of the two points offered, only (2, -4) is a solution.

The probability P(X < 52) is the probability that a normally distributed random variable X takes on a value less than 52.

This probability can be calculated using the cumulative distribution function (CDF) of the normal distribution. The CDF of a normal distribution with mean μ and standard deviation σ is given by

F(x) = 1/2 [1 + erf( (x-μ)/(σ√2) ) ]

where erf(x) is the error function. For X with mean 50 and standard deviation 8, the probability P(X < 52) is equal to 0.8413. This result can be interpreted as follows: the probability that a normally distributed random variable with mean 50 and standard deviation 8 takes on a value less than 52 is 0.8413, or 84.13%.

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Answer:

square root of 30 is 30

because it comes in a point =5.477225575

Amount in her checking and saving account is $255 and $595

Given information:

Total amount in both accounts = $850

Ratio of checking to saving account = 3:7

Find:

Amount in her checking and saving accounts

Computation:

Total of ratio = 3 + 7

Total of ratio = 10

So,

\(Amount\ in\ her\ checking\ account = 850 \times \frac{3}{10}\)

Amount in her checking account = $255

\(Amount\ in\ her\ saving\ account = 850 \times \frac{7}{10}\)

Amount in her saving account = $595

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Answer: $67.20

Step-by-step explanation:

56 × 0.2 = 11.2

11.2 + 56 = $67.20

We use the formula V = (1/3) * base area * height. The base area is found by squaring the length of one side of the base, and the height is the altitude of the pyramid. Rounding the result to the nearest cubic inch gives the volume of the pyramid.

Given that the base of the pyramid is a square with sides measuring 5 inches, the base area can be calculated by squaring the length of one side: 5^2 = 25 square inches. The altitude or height of the pyramid is 13 inches.

Using the formula for the volume of a pyramid, V = (1/3) * base area * height, we substitute the values: V = (1/3) * 25 square inches * 13 inches. Evaluating this expression, we find V ≈ 108.33 cubic inches.

Rounding this to the nearest cubic inch, the volume of the pyramid is approximately 108 cubic inches.

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Answer:

3

Step-by-step explanation:

81/(-9)/(-3)=3

The number 3 is prime number.

To solve the given inequality, first we have to simplify the given inequality.38 < x + 10 After simplification we get, 38 - 10 < x or 28 < x.

The correct option is B.

The given inequality is 38 < 4x + 3 + 7 - 3x. Simplify the inequality38 < x + 10  - 4x + 3 + 7 - 3x38 < -x + 20 Combine the like terms on the right side and simplify 38 + x - 20 < 0 or x + 18 < 0x < -18 + 0 or x < -18. The given inequality is 38 < 4x + 3 + 7 - 3x. To solve the given inequality, we will simplify the given inequality.

Simplify the inequality38 < x + 10  - 4x + 3 + 7 - 3x38 < -x + 20 Combine the like terms on the right side and simplify 38 + x - 20 < 0 or x + 18 < 0x < -18 + 0 or x < -18. Combine the like terms on the right side and simplify38 + x - 20 < 0 or x + 18 < 0x < -18 + 0 or x < -18.So, the answer is  x > 28. In other words, 28 is less than x and x is greater than 28. Hence, the answer is x > 28.

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Step-by-step explanation:

let the integer be x .

three consecutive integers : x, x+1, x+2.

according to the problem,.

Let the first of the 3 consecutive numbers be X.

Therefore the second number is (X + 1)

The third number is therefore (X + 2)

The product of the 3 consecutive numbers is:

( X )( X + 1 )( X + 2 ) = 3360 Equation( 1 )

Expanding Equation ( 1 ) gives

X³ + 3X² + 2X - 3360 = 0 Equation (2)

Solve Equation (2 ) which gives the following values for X

X1 = 14

X2 = - 8.5 + i (12.951834)

X3 = - 8.5 - i (12.951834).

the numbers are 14,15,16.

sum is 14+15+16 = 45.

hope this helps you.

Answer:

The commutative property of addition means that it does not matter what order in which you add numbers. You will get the same answer either way. It is represented as a + b = b + a, in which a and b are real numbers. However, the property is not limited to two numbers.

1) Rearrange terms

3 + 5m = 5m + 3

5m + 3 = 5m + 3

2) Subtract 3 from both sides

5m + 3 = 5m + 3

5m + 3 - 3 = 5m + 3 - 3

3) Simplify

- Subtract the numbers

5m + 3 - 3 = 5m +  3 - 3

5m = 5m + 3 - 3

- Subtract the numbers

5m = 5m + 3 - 3

5m = 5m

4) Subtract 5m from both sides

5m = 5m

5m - 5m = 5m - 5m

5) Simplify

- Combine like terms

5m - 5m = 5m - 5m

0 = 5m - 5m

- Combine like terms

0 = 5m - 5m

0 = 0

This means it has infinite solutions.

But the commutative property addition have been shown.

Answer:

La longitud de BC es 15 cm y la longitud AB es 45 cm

Step-by-step explanation:

Ecuaciones

Tenemos un segmento AC de longitud 60 cm, dividido en dos segmentos BC y AB tal que:

AB+BC=60 cm

También sabemos que AB=3BC. Reemplazando en la ecuación anterior, tenemos:

3BC+BC=60 cm

Reuniendo términos semejantes:

4BC=60 cm

Despejando BC:

BC=60/4 = 15 cm

Como AB=3BC, entonces

AB=3*15= 45 cm.

La longitud de BC es 15 cm y la longitud AB es 45 cm

Answer:

Side lengths = 2 square units and 4 square units

Step-by-step explanation:

The formula for the area of a rectangle is given by:

A = lw, where

The formula for the perimeter of a rectangle is given by:

P = 2l + 2w, where

We know that rectangles don't have equilateral sides and thus the area consists of two factors of 8.  We need to determine which two factors of 8 will (when doubled) produce a sum of 12.

The factors of 8 are:

2 and 4 satisfy the perimeter equation and the area equation as

2 * 4 = 8 and 2(2) + 2(4) = 4 + 8 = 12

Thus, the side lengths of the rectangle are 2 square units and 4 square units.

The correct answer is: c. Gain of £800,000 to Statement of Profit or loss.

Since Maris uses the fair value model, the gain from the increase in the fair value of the building is recognized in the Statement of Profit or Loss. In this case, the building's fair value increased from £10 million to £10.8 million, resulting in a gain of £800,000. Therefore, the gain of £800,000 should be recognized in the Statement of Profit or Loss.According to the fair value model, any gain or loss resulting from the change in fair value of the asset should be recognized in the financial statements. In this case, the increase in the fair value of the building is considered a gain.

Since the gain of £800,000 (the difference between the fair value of £10.8 million and the original purchase price of £10 million) is a result of the change in the asset's fair value, it should be recognized in the Statement of Profit or Loss. This gain represents the increase in the value of the building during the year.

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Answer:

x = 6

Step-by-step explanation:

Here it's sayin that Q is a point in between the end-points P & R. If we join P & R , it forms a line segment & Q is in the line segment PR. Hence PQ & QR are also line segments which combine to form line segment PR. So ,

PR = PQ + QR

Putting the given values of PQ ,QR & PR

=> 4x - 12 + 2x + 7 = 31

=> 6x - 5 = 31

=> 6x = 31 + 5

         = 36

=> x = 36/6 = 6

Answer: stacia would need 130 diamonds

The total number of possibilities or independent variables in R4X4  is 1 + 1 + 1 + 1 = 4. Thus, the dimension of S is 4.
the total number of possibilities or independent variables in the subspace of R3×3 is 3 + 2 + 1 = 6. Hence, the dimension of S is 6.

The dimension of the subspace S of upper triangular matrices in R3x3 is 6.

To determine the dimension of the subspace S, we need to find the number of linearly independent vectors that span S.

In the case of upper triangular matrices in R3x3, we can observe that the entries below the main diagonal (including the diagonal) can be arbitrary values since they do not affect the upper triangular structure. Thus, we have:

The first row has 3 possibilities.

The second row has 2 possibilities (excluding the first entry).

The third row has 1 possibility (excluding the first and second entries).

Therefore, the total number of possibilities or independent variables is 3 + 2 + 1 = 6. Hence, the dimension of S is 6.

(b) The dimension of the subspace S of diagonal matrices in R4x4 is 4.

Explanation:

In the case of diagonal matrices in R4x4, all the entries outside the main diagonal are zero. Therefore, we have:

The first diagonal entry has 1 possibility.

The second diagonal entry has 1 possibility.

The third diagonal entry has 1 possibility.

The fourth diagonal entry has 1 possibility.

Hence, the total number of possibilities or independent variables is 1 + 1 + 1 + 1 = 4. Thus, the dimension of S is 4.

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Answer:

If the whole box is the sports store then its just 80m if its just the equipment section then its 56m

Step-by-step explanation:

8x10=80

80-(6x4)=56  80-24=56

Answer:

Hypotenuse = 8 cm (Approx.)

Step-by-step explanation:

Given:

Side1 = 3 cm

Side2 = 7 cm

Find:

Hypotenuse

Computation:

Hypotenuse = √Perpendicular² + base²

Hypotenuse = √side1² + side2²

Hypotenuse = √3² + 7²

Hypotenuse = √9 + 49

Hypotenuse = √58

Hypotenuse = 7.61

Hypotenuse = 8 cm (Approx.)

Information that is collected in database systems can be used, in general, for two purposes: an operational purpose and a transactional purpose.

Information that is collected in database systems can be used for two purposes: an operational purpose and a transactional purpose.

1. Operational purpose: This refers to the use of database information to support day-to-day operations and decision-making within an organization. It involves activities such as retrieving and updating data, generating reports, and conducting analysis. The operational purpose focuses on using the data to improve efficiency, productivity, and overall performance.

2. Transactional purpose: This refers to the use of database information to record and track specific transactions or events. It involves activities such as recording sales, tracking inventory, processing payments, and managing customer interactions. The transactional purpose focuses on ensuring accuracy, reliability, and consistency of data for business transactions.

In summary, information collected in database systems can be used for operational purposes, which involves using the data for day-to-day operations and decision-making, and transactional purposes, which involves using the data to record and track specific transactions or events.

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Answer:

1 is the y-int

Step-by-step explanation:

Answer:

The answer would be 9

Step-by-step explanation:

Answer:

2m-17

Step-by-step explanation:

-20+1/4(8m+12)

-20+2m+3

2m-20+3

2m-17

the answer is -20+ (8m+12/4)

In the 1984 domestic violence study conducted by Sherman and Berk, the ethical concern was that they potentially withheld a beneficial treatment.

The domestic violence study conducted by Sherman and Berk in 1984 raised an ethical concern in that they financially profited from the research. This raises the question of whether their motives were purely altruistic or whether they were driven by financial gain. Additionally, the study did not adhere to special protections for vulnerable populations such as women and children who may have been victims of domestic violence. This raises concerns about the validity and generalizability of the study's findings. Furthermore, the study potentially withheld a beneficial treatment, which raises questions about the ethical responsibility of researchers to ensure that their subjects receive the best possible care. Finally, there are also concerns that the researchers may have deceived their subjects, which raises questions about the integrity and transparency of the research process. In conclusion, the ethical concerns raised by this study highlight the need for researchers to carefully consider the impact of their research on vulnerable populations and to ensure that they adhere to the highest ethical standards.
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Answer:

12 miles

Step-by-step explanation:

Total miles = Length of trail ×

Number of times she rode

Total miles = 3 miles × 4 times

Total miles = 12 miles

Mika traveled a total of 12 miles.