4/7 = ?/42
fill in the the blank to make the two fractions equivalent

Answer:

yes

Step-by-step explanation:

two feet is 24 inches plus 3 = 27 inches

Answer:

11.25

Step-by-step explanation:

20% is 1/5 so decide by 5

The percentage of completion method is a widely used accounting method to recognize revenue and expenses over the life of a long-term project or contract.

It is primarily used in construction, real estate, and other industries that undertake large projects that span over extended periods. The method estimates the percentage of work completed, and then assigns that percentage of revenue and expenses to that period.

Under the percentage of completion method, revenue and expenses are recognized proportionally to the progress of the project, and the calculation is based on the cost incurred to date relative to the total estimated cost of the project.

This method is advantageous because it allows for more accurate financial statements that reflect the actual progress and costs of the project.

Overall, the percentage of completion method provides a more accurate representation of the financial position of long-term projects and contracts, and is therefore an essential tool for companies in industries that undertake such projects.

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Answer:

Hi please resend the question so i can help u!

Step-by-step explanation:

In the given equation r = 2/5 t "r" is the dependent variable.

In mathematics, a variable is a symbol that represents a quantity that can take on different values. In many cases, variables can be divided into two types: dependent variables and independent variables.

An independent variable is a variable that can be changed freely, and its value is not dependent on any other variable in the equation.

A dependent variable is a variable whose value depends on the value of one or more other variables in the equation

Here we have

Lin notices that the number of cups of red paint is always  2/5 of the total number of cups.

She writes the equation r = 2/5 t to describe the relationship.

In the equation, r = 2/5 t, "t" represents the total number of cups, while "r" represents the number of cups of red paint.

Here "t" is the independent variable because it represents the total number of cups, which can be changed arbitrarily.

The value of "r" depends on the value of "t" because the number of cups of red paint is always 2/5 of the total number of cups.

Therefore,

In the given equation r = 2/5 t "r" is the dependent variable.

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Complete Question:

Lin notices that the number of cups of red paint is always  2/5 of the total number of cups. She writes the equation r = 2/5 t to describe the relationship. Which is the independent variable? Which is the dependent variable? Explain how you know.

Answer:

x = (4,0)

y = (0,-4)

Step-by-step explanation:

x - y = 4

(0) - y = 4

-(-y) = -(4)

y = -4

x - (0) = 4

x = 4

x = (4,0)

y = (0,-4)

Answer:

x = 4 . 0

y = 0 . -4)

Step-by-step explanation:

Answer:

the anwser is d

Step-by-step explanation: first its a then b then c then d so d is the last one so it has to be it  from the triangle plot

In a simple linear regression model, the coefficient of the independent variable (x) in the estimated sample regression equation indicates the change in the predicted value of the dependent variable (y) when x increases by one unit. This coefficient is also known as the slope of the regression line. Therefore, to calculate the predicted value of y, we multiply the coefficient by the value of x and add the intercept.

In a simple linear regression model, the coefficient that indicates the change in the predicted value of y when x increases by one unit is the "slope coefficient" or the "regression coefficient" (usually denoted as b1). This coefficient represents the relationship between the independent variable x and the dependent variable y.

The linear regression equation is given as:

y = b0 + b1 * x

Where:
- y is the predicted value of the dependent variable
- b0 is the intercept coefficient (where the line intersects the y-axis)
- b1 is the slope coefficient (the change in y when x increases by one unit)
- x is the independent variable

In this equation, b1 indicates the change in the predicted value of y when x increases by one unit.

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You would divide 13 by 754=58

Then 58 times 8= 464

So 464 miles

The Pearson correlation coefficient can be used as both a descriptive statistic and an inferential statistic.

As a descriptive statistic, the Pearson correlation coefficient describes the strength and direction of the linear relationship between two variables. It provides a numerical measure between -1 and 1, where -1 indicates a perfect negative linear relationship, 1 indicates a perfect positive linear relationship, and 0 indicates no linear relationship.

As an inferential statistic, the Pearson correlation coefficient can be used to test hypotheses and make inferences about the population correlation based on a sample. Hypothesis testing allows you to determine whether the observed correlation in the sample is statistically significant or occurred by chance. By examining the p-value associated with the correlation coefficient, you can make inferences about the strength of the relationship in the population.

Therefore, the correct answer is that the Pearson correlation coefficient can be used as both a descriptive and an inferential statistic.

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We are 95% confident that the true population mean weight of beetles in the Smith Island population lies between 0.1876 grams and 0.2324 grams.

To calculate the 95% confidence interval for the population mean, we can use the formula:

CI = X ± z*(σ/√n)

where X is the sample mean, σ is the population standard deviation, n is the sample size, and z* is the critical value of the standard normal distribution corresponding to the desired level of confidence.

In this case, X = 0.21 grams, σ = 0.05 grams, n = 20, and the critical z value for a 95% confidence level is 1.96.

So, the confidence interval can be calculated as:

CI = 0.21 ± 1.96*(0.05/√20)

= 0.21 ± 0.0224

Therefore, the 95% confidence interval for the population mean weight of beetles in the Smith Island population is (0.1876, 0.2324) grams.

The correct confidence interval statement would be: We are 95% confident that the true population mean weight of beetles in the Smith Island population lies between 0.1876 grams and 0.2324 grams.

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Mang Inasal's facilitating products aim to enhance the customer experience by offering additional value to their already delicious and affordable meals.

Mang Inasal, a popular fast food chain in the Philippines, offers a variety of facilitating products that enhance the dining experience for its customers. One example of their facilitating product is their unlimited rice offer.

Filipinos love to pair their meals with rice, and Mang Inasal has taken advantage of this by offering unlimited rice with their main dishes. This facilitating product allows customers to enjoy their meals to the fullest without worrying about running out of rice.

Another example of Mang Inasal's facilitating product is their "sawsawan" or condiment station. The condiment station offers different sauces and condiments that customers can mix and match to their liking. This allows customers to personalize their meals according to their taste preferences.

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Answer:

808+808=1616 340+340=680  then 1616-680=976

Step-by-step explanation:

you need to add 808 plus 808 which is 1616 then add 340 plus 340 which is 680, then subtract 1616-680 which is 976.

The irreversible loss of an island from over 100 acres in size to less than 3 acres is an example of the irreversible nature of human change.

Human activity has lead to the change of Earth's climate in unimaginable ways over the last thousand years. Some of these changes are so significant that they are practically inevitable and irreversible.

Due to global warming, the planet's temperature is increasing gradually every year. This change in climate causes polar ice caps to melt and increases the water level.

Islands, which are pieces of land in between water bodies, are reducing in size due to this. The increased water level submerges some or all parts of an island. This is especially threatening for small islands.

This is not only dangerous for the human and wildlife population of these islands, but also for the general habitability. Due to frequent flooding, soil salinity increases and this makes it difficult to cultivate these islands.

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According to the Angle-Angle-Angle (AAA) criterion, "if in two triangles, corresponding angles are equal, then their corresponding sides are in the same ratio (or proportion), and hence the two triangles are identical."

Proof:

Consider two triangles ABC and DEF, such that ∠A = ∠D, ∠B = ∠E, and ∠C = ∠F

Now, cut DP= AB and DQ= AC and join PQ. Hence, we can say that a triangle ABC is congruent to the triangle DPQ.

(i.e) ∆ ABC ≅ ∆ DPQ, which gives ∠B = ∠P = ∠E, and also, the line PQ is parallel to EF.

Therefore, by using the basic proportionality theorem, we can write

DP/PE = DQ/QF.

(i.e) AB/DE = AC/DF. …(1)

Similarly,

AB/DE = BC/EF …(2)

From (1) and (2), we can write:

AB/DE = BC/EF = AC/DF.

Therefore, the two triangles ABC and DEF are similar.

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Answer:

-6

Step-by-step explanation:

Look at the point  3,3     x^2 = 9

    and    p(x) =   y   =    3 = 9 + n      so n = - 6

Answer: 12.8x^2

Step-by-step explanation:

3.2x * 4x=

3.2 * x * 4 * x=

3.2 * 4 * x * x=

12.8 * x^2=12.8x^2

Answer:

Penelope has to do 3 folding-in-half steps to get to a 100 inch perimeter.

Step-by-step explanation:

Every time you fold in half, you are dividing the perimeter by 2. So 800/2 is 400. 400/2 is 200. And 200/2 is 100.

Answer:

D

Step-by-step explanation:

Because the other just make no sense

Answer:

C(-3,3)

Step-by-step explanation:

Given

A = (7,-1)

B = (2,1)

AB:AC = 1:2

Required

Determine the coordinates of C

Since, B is between A and C; we need to determine ratio BC as follows;

\(AB:AC = 1:2\)

Convert to division

\(\frac{AB}{AC} = \frac{1}{2}\)

AC = AB + BC;

\(\frac{AB}{AB + BC} = \frac{1}{2}\)

Cross Multiply

\(2 * AB = 1 * (AB + BC)\)

\(2 AB = AB + BC\)

\(2AB - AB = BC\)

\(AB = BC\)

Divide both sides by BC

\(\frac{AB}{BC} = 1\)

Rewrite as

\(\frac{AB}{BC} = \frac{1}{1}\)

Write as ratio

\(AB:BC = 1:1\)

Next is to determine the coordinates of C as follows;

Because B is between both points. we have:

\(B(x,y) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2 + ny_1}{m+n})\)

Where

\(m:n = AB:BC = 1:1\)

\(B(x,y) = B(2,1)\)

\(A(x_1,y_1) = A(7,-1)\)

So; we're solving for x2 and y2

\(B(2,1) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2 + ny_1}{m+n})\)

Where

Solving for x2;

\(x = \frac{mx_2 + nx_1}{m+n}\)

\(2 = \frac{1 * x_2 + 1 * 7}{1+1}\)

\(2 = \frac{x_2 + 7}{2}\)

Cross Multiply

\(2 * 2 = x_2 + 7\)

\(4 = x_2 + 7\)

\(x_2 = 4 - 7\)

\(x_2 = -3\)

Solving for y2;

\(y = \frac{my_2 + ny_1}{m+n}\)

\(1 = \frac{1 * y_2 + 1 * -1}{1+1}\)

\(1 = \frac{y_2- 1}{2}\)

Cross Multiply

\(2 * 1 = y_2 - 1\)

\(2 = y_2 - 1\)

\(y_2 = 2 + 1\)

\(y_2 = 3\)

Hence, the coordinates of C are: C(-3,3)

Answer:

Auto repair labor rates vary widely across the country, and even within the same city. As of January 17, 2017, auto repair shops in the AAA Approved Auto Repair network charged between $47 and $215 per hour, based primarily on the shop's cost of doing business.

Answer:

yes congruent means identical of the same

Step-by-step explanation:

hope this helps

Answer: The answer is here

Step-by-step explanation:

If the two sides of a triangle are in the same proportion of the two sides of another triangle, and the angle inscribed by the two sides in both the triangle are equal, then two triangles are said to be similar. Thus, if ∠A = ∠X and AB/XY = AC/XZ then ΔABC ~ΔXYZ.

If the measures of the corresponding sides of two triangles are proportional then the triangles are similar. Likewise if the measures of two sides in one triangle are proportional to the corresponding sides in another triangle and the including angles are congruent then the triangles are similar.

Answer:

yes

Step-by-step explanation:

all numbers are integers

Step-by-step explanation:

Normal distributions are symmetric around their mean. The mean, median, and mode of a normal distribution are equal. The area under the normal curve is equal to 1.0. Normal distributions are denser in the center and less dense in the tails.

The angular momentum is found to be  115kg.\(m^{2}\)/s.

The angular momentum of an object of mass m relative to some point O is given by the expression,

                    \(L = mvr sin\) θ

Here, v is the velocity of the object, r is the distance from point O to the object, and θ is the angle between r and v.

The direction of angular momentum is determined by using right hand rule. Curl the fingers of right hand such that they form a rotation from vector r to vector v, then the thumb will give the direction of angular momentum.

The rate of change of angular momentum is equal to the torque and it is given as,

                 τ  = \(\frac{dL}{dt}\)

Torque about a point due to force F can be calculated by using tangential force method and it is given as,

                    τ  = rFt

Here, r is the distance from the axis of rotation to the point where force is applied and Ft is the tangential component of force and Ft is the tangential component of force.

The following figure shows a rock with velocity v moving horizontally. The distance between the point O and P is r. The angle between the vector r and vector v is θ

. The angle ∅ is equal to 36.9°.

The angle θ is given as,  θ = 180° - 36.9° = 143.1°

The magnitude of angular momentum is given as,

                            \(L = mvr sin\) θ

Here, m is the mass of the rock, v is the velocity of the rock, and  θ

is the angle between v and r.

Substitute 2.00 kg for m, 12.0 m/s for v, 8.00 m for r, and 143.1° for  θ in the above equation.

                              \(L = (2.00kg) (12.0m/s) (8.00m) sin 143.1\)

                                 = 115kg.\(m^{2}\)/s

The direction of angular momentum is determined by using right hand rule.

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The two triangles are congruent because each transformation is a rigid motion. Therefore, option B is the correct answer.

Given that, triangle ABC is reflected in the x-axis, rotated 180°, and translated 2 units to the right and 4 units down to form triangle XYZ.

Reflection is flipping an object across a line without changing its size or shape. Rotation is rotating an object about a fixed point without changing its size or shape. The translation is sliding a figure in any direction without changing its size, shape or orientation.

We know that reflection, rotation and translation in the vertical or horizontal direction are rigid motions.

Rigid motions do not change the size of a polygon so that the two polygons are congruent.

The two triangles are congruent because each transformation is a rigid motion. Therefore, option B is the correct answer.

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For a single alveolus requires the surface area of 0.133 square meters for gas exchange.

In this question, we have been given each human lung contains about 300 million alveoli with a summed total surface area for gas exchange of 40 square meters.

we need to find  the approximate surface area of a single alveolus.

By unitary method the required surface area would be,

A = 40/300

A = 10/75

A = 0.133 square meters

Therefore, the approximate surface area of a single alveolus = 0.133 square meters

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