Katie has 348 gel pens. She gives away 3/4 of them away how many does she give away?

315 m²

area of rec + area of rec + area of rec +  area of triangle

⇒ length + width + length + width + length + width + 1/2 * base * height

⇒ 19 * 6 + 9 * 9 + 18 * 5 + 1/2 * 12 * 5

⇒ 90 + 30 + 81 + 114

⇒ 315 m²

Answer:

315 m²

Step-by-step explanation:

As this figure may seem complicated, we can split it into four separate figures.

Area

a and c are directly proportional to each other when a and b are directly proportional and b and c are directly proportional.

If a and b are directly proportional and b and c are directly proportional, it means that their ratios are equal. Direct proportionality implies that as one variable increases, the other also increases in proportion and as one variable decreases, the other also decreases in proportion.

Mathematically, this can be written as

a = kb and b = mc, where k and m are constants of proportionality.

Multiplying these two equations gives: a = kbm

Substituting the value of b from the second equation in the first equation, we get: a = kmc

Therefore, a and c are also directly proportional to each other with a constant of proportionality km.

Thus, if a increases by a certain factor, c will also increase by the same factor.

If a and b are directly proportional and b and c are directly proportional, then it can be concluded that a and c are directly proportional as well.

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A M function file 'tconvert.m', which can convert coordinates (x, y) into Polar from Cartesian coordinates. is:
"```matlab
function [theta, r] = tconvert(x, y)
```"

To create the M function file 'tconvert.m' that converts Cartesian coordinates (x, y) into Polar coordinates, follow these steps:

1. Open the MATLAB Editor or any text editor and create a new file named 'tconvert.m'.

2. In the file, start with the function declaration line: `function [theta, r] = tconvert(x, y)`.

3. Inside the function, write the conversion code using MATLAB's built-in functions:

  - Calculate the angle theta using `atan2(y, x)`, which returns the angle in radians.

  - Calculate the radius r using `sqrt(x^2 + y^2)`, which gives the distance from the origin.

4. End the function with the `end` keyword.

5. Save the file in a directory accessible by MATLAB.

The function 'tconvert' takes the Cartesian coordinates (x, y) as input and returns the corresponding Polar coordinates (theta, r). The angle theta represents the direction in radians, and the radius r represents the distance from the origin.

The function can be called from the MATLAB command window or from another script or function file.

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Complete question:

Write a M function file 'tconvert.m', which can convert from Cartesian coordinates (x,y) into Polar coordinates.

When the rectangle is transformed according to the rule r0 90 T/F, it first undergoes a reflection about the y-axis, followed by a rotation of 90 degrees counterclockwise about the origin, and finally a translation of a certain distance in either the x or y direction depending on whether the final image is a reflection or not.

The final image obtained will be a rectangle as well, but with different dimensions and position depending on the translation distance.Let's assume that the rectangle has width w and height h. When reflected about the y-axis, its width changes sign but its height remains the same, resulting in a new width of -w and height of h.

After that, the rectangle is rotated 90 degrees counterclockwise about the origin, which swaps its width and height but preserves their signs, resulting in a new width of -h and height of -w.

Finally, a translation of distance d is applied to either the x or y coordinate depending on whether the final image is a reflection or not. If the final image is a reflection, then the translation is applied in the y direction by a distance of d, resulting in a new position of (-h, d).

Otherwise, the translation is applied in the x direction by a distance of d, resulting in a new position of (d, -w).In summary, the rectangle is transformed according to the rule r0 90 T/F by undergoing a reflection, rotation, and translation, resulting in a new rectangle with dimensions and position depending on the original dimensions and the translation distance.

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A rectangle can be transformed according to the rule r0 90 T/F, which can have different results, depending on how the transformation is done.

The rule can be interpreted as follows:r0: No rotation90: Rotate the rectangle 90 degreesT/F: Flip the rectangle horizontally (T) or vertically (F)For example, if a rectangle with a width of 4 units and a height of 2 units is subjected to this transformation rule, the result will vary depending on the order of transformations.

Consider the following cases : Case 1: r0 90 F T (rotate by 0 degrees, then rotate by 90 degrees, then flip vertically, then flip horizontally) In this case, the rectangle is first rotated by 0 degrees, which means that its position and size are unchanged. Next, it is rotated by 90 degrees, which means that its width becomes its height and vice versa. After that, it is flipped vertically, which means that its top and bottom edges are swapped.

Finally, it is flipped horizontally, which means that its left and right edges are swapped. The resulting rectangle has a width of 2 units and a height of 4 units. It is also reflected across the line y = 0 (the x-axis).Case 2: F T r0 90 (flip vertically, then flip horizontally, then rotate by 0 degrees, then rotate by 90 degrees) In this case, the rectangle is first flipped vertically, which means that its top and bottom edges are swapped. Next, it is flipped horizontally, which means that its left and right edges are swapped.

After that, it is rotated by 0 degrees, which means that its position and size are unchanged. Finally, it is rotated by 90 degrees, which means that its width becomes its height and vice versa. The resulting rectangle has a width of 2 units and a height of 4 units.

It is also reflected across the line y = -x (the line that goes through the origin with a slope of -1).In conclusion, a rectangle can be transformed in various ways, and the order of transformations matters. The rule r0 90 T/F can produce different results depending on the sequence of operations.

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We are not given any information about the behavior of the function at points other than the critical points, so we cannot determine the number of zeros that the polynomial has.

A critical point of a function is a point where the derivative of the function is equal to zero or is undefined. At a critical point, the function may have a local maximum, a local minimum, or a point of inflection, depending on the behavior of the function.

A relative maximum is a point on the function where the value of the function is higher than the values of the function at nearby points, but not necessarily the highest value that the function takes on.

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The approximate value of negative seventeen plus square root of sixty to the nearest tenth is -9. 3 . Option A

From the information given, we have;

Substitute the values into the expression, we have;

- 17 + √60

Find the square root of 60 and add to the expression;

-1 7 + 7. 7459

Find the sum of the values

-9. 3

Thus, the approximate value of negative seventeen plus square root of sixty to the nearest tenth is -9. 3 . Option A

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Answer:

v = m/d

Step-by-step explanation:

since

\(d = \frac{m}{v} \: \\ \\ v = \frac{m}{d} \)

The Sampling technique used in the given scenario is random sampling technique.

There are four main types of this sampling method:

In the sampling method known as random sampling, each sample has an equal chance of being chosen. The purpose of a randomly chosen sample is to fairly represent the total population. for example-A straightforward random sample might be 25 names chosen at random from a pool of 250 employees. Since every employee has same chance of being chosen, the sample in this case is random and the population in this case is all 250 employees.

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Answer:

6^8

Step-by-step explanation:

When you have a power to another power, you multiply them.

Answer:

\(6^{8}\)

Step-by-step explanation:

Using the rule of exponents

\((a^{m}) ^{n}\) = \(a^{mn}\) , then

\((6^{2}) ^{4}\) = \(6^{2(4)}\) = \(6^{8}\)

Answer:

f = 371

Step-by-step explanation:

Just add 518 to both sides this dumb easy

We must optimise the function within the provided constraint to get the maximum and minimum values of the function f(x, y) = 2x2 + 3y2 - 4x - 5 on the domain x2 + y2 196.

We must take the partial derivatives of f(x, y) with respect to x and y and set them to zero in order to determine the critical points:

F/y = 6y = 0, and F/x = 4x - 4 = 0.

4x - 4 = 0, which results from the first equation, gives x = 1.

Y = 0 is the result of the second equation, 6y = 0.

As a result, (1, 0) is the critical point.

The limits of the domain x2 + y2 196, which is a circle with a radius of 14, must then be examined.

f(x, y) evaluation at the limits of

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Answer:

x = 4. y=8

Step-by-step explanation:

putting y=2x in first equation

2x+2x=16

4x=16

x=4

put x=4 in eq second

y=2*4

y=8

Answer:

first question : I think it's corresponding angle

second question : is lines AD and GH ,b/c skew means two lines that are not parallel and don't intersect

Step-by-step explanation:

HOPE THIS HELPS

Therefore, the probability of selecting a white or blue marble is approximately 0.3910 or 39.10% when rounded to four decimal places.

To find the probability of selecting a white or blue marble, we need to determine the total number of white and blue marbles and divide it by the total number of marbles in the box.

Total white and blue marbles = Number of white marbles + Number of blue marbles

= 58 + 3

= 61

Total number of marbles = Number of red marbles + Number of white marbles + Number of blue marbles

= 95 + 58 + 3

= 156

Probability = (Total white and blue marbles) / (Total number of marbles)

= 61 / 156

≈ 0.3910 (rounded to four decimal places)

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The correct option is a) $5161.24

To evaluate the expression P(1+rt) with the given values:

P = 1575

r = 0.055

t = 168/365

First, let's calculate rt:

rt = 0.055 * (168/365)

= 0.0252836 (rounded to 7 decimal places)

Now, substitute the values into the expression P(1+rt):

P(1+rt) = 1575 * (1 + 0.0252836)

= 1575 * 1.0252836

= 1615.85846 (rounded to 5 decimal places)

The result is approximately $1615.86.

Therefore, the correct option is a) $5161.24

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 The random sample proportion.

Probability distribution is a statistical function that describes all the possible values and likelihoods that a random variable can take within a given range.

at 90% confidence interval: The Central 90% of any normal   distribution is: Z_(α/2) = 1.960

 Error = E = ±5% = ±0.05

Applying the normal  Probability distribution

= 0.70 ≤ P≤  0.77(this means that we are 90% confident that the true proportion of jet with wiring problem fall with 0.70 and 0.77, hence there is no need for the airline to conduct further sampling, rather, they should just inspect all the planes)

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The predicted optimal graduating class size can be found by solving for hsize when the derivative of the SAT score with respect to hsize is zero.

(i) To determine whether hsize2 should be included in the model, we can conduct a hypothesis test by comparing the coefficient of hsize2 to zero. The null hypothesis (H0) is that the coefficient is zero, suggesting that hsize2 does not have a significant impact on the SAT score. The alternative hypothesis (Ha) is that the coefficient is not zero, indicating that hsize2 has a significant effect on the SAT score.

To test the hypothesis, we can calculate the t-statistic for the coefficient of hsize2. The t-statistic is given by the coefficient divided by its standard error. If the absolute value of the t-statistic is sufficiently large, we can reject the null hypothesis in favor of the alternative hypothesis.

To find the predicted optimal graduating class size, we can use the equation and solve for hsize when the derivative of the SAT score with respect to hsize equals zero. This will give us the turning point where the SAT score is maximized.

(ii) To estimate the difference in SAT scores between nonblack females and nonblack males while holding hsize fixed, we can simply subtract the coefficients of the female variable for nonblack females and nonblack males. We can then assess the significance of the difference by conducting a t-test comparing this difference to zero at the 5% significance level.

(iii) To estimate the difference in SAT scores between nonblack males and black males, we can subtract the coefficient of the black variable from the coefficient of the male variable. To test the null hypothesis that there is no difference between their scores, we can conduct a t-test comparing this difference to zero.

(iv) To estimate the difference in SAT scores between black females and nonblack females, we can subtract the coefficient of the female variable for nonblack females from the sum of the coefficients of the female and black variables for black females. To test whether the difference is statistically significant, we would need to conduct a t-test comparing this difference to zero.

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Answer:

C?

Step-by-step explanation:

From eyeballing it, I can see that RZ is definetely not the first two. and RZ looks about exactly double the length of VZ. Hope this helps. :)

Answer:

C. 12 inches

Step-by-step explanation:

May I have brainliest please? :)

Answer:

I think its A 1200

Step-by-step explanation:

The maximum area that can be enclosed with 480 yards of fencing. is 28,530.5 square yards.

Let the length of the rectangular pen be denoted by L and its width be denoted by W.

From the problem statement, we know that the total length of fencing available is 480 yards. We can express this as an equation:

2L + W + 2 = 480

where the additional 2 is for the fence across the width.

Simplifying this equation, we get:

2L + W = 478

We want to find the maximum area that can be enclosed with this amount of fencing. The area of a rectangle is given by:

A = L × W

We can use the equation 2L + W = 478 to solve for one of the variables in terms of the other. For example, we can solve for W:

W = 478 - 2L

Substituting this expression for W into the equation for the area, we get:

A = L × (478 - 2L)

Simplifying this expression, we get:

A = 478L - 2L^2

To find the maximum area, we need to take the derivative of this expression with respect to L, set it equal to zero, and solve for L.

dA/dL = 478 - 4L

Setting this equal to zero and solving for L, we get:

478 - 4L = 0

L = 119.5

Substituting this value of L back into the equation for W, we get:

W = 478 - 2(119.5) = 239

Therefore, the dimensions of the rectangular pen that maximize the area are:

Length = 119.5 yards

Width = 239 yards

And the maximum area that can be enclosed with 480 yards of fencing is:

A = L × W = 119.5 × 239 = 28,530.5 square yards.

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Answer:

unblock miniproxy.com

Step-by-step explanation:

Answer:

120 miles

Step-by-step explanation:

30 miles per hour * 4 hours

120 miles

Answer:

She travels 120 miles in 4 hours.

Step-by-step explanation:

She travels 120 miles in 4 hours

Answer:

3-(-3) / -15-(-5)

= 3+3/-15+5

=6 /-10

= -3 /5

Hope it helps You

Mark as brainliest

False. The columns of matrix P are not necessarily eigenvectors of matrix A. While the diagonal matrix D contains the eigenvalues of A, the eigenvectors are not explicitly determined by the columns of P.

False. The columns of matrix P are not guaranteed to be eigenvectors of the transpose of matrix A (A.T).

In the given equation, \(a = PDP^(-1),\)

where D is a diagonal matrix and P is an invertible matrix.

The diagonal elements of D represent the eigenvalues of matrix A, while the columns of P correspond to the eigenvectors of A.

When considering the transpose of matrix A (A.T), we have \((A.T) = (PDP^(-1)).T = (P^{(-1)})^T D^T P^T.\)

Taking the transpose of a product involves reversing the order of the matrices and transposing each matrix individually.

Therefore, we have \((A.T) = P^T D^T (P^{(-1)})^T.\)

Since P is an invertible matrix, its transpose \(P^T\) is also invertible. Similarly, the transpose of the inverse of \(P, (P^{(-1)} )^T,\) is also invertible.

However, the key point is that the diagonal matrix\(D^T\) is not guaranteed to have the same eigenvalues as matrix A.

The eigenvalues of A are present in D, but they may not remain on the main diagonal after transposing.

Thus, the columns of matrix P, which correspond to the eigenvectors of A, may not necessarily be the eigenvectors of A.T.

In conclusion, the statement is false.

The columns of matrix P do not have to be eigenvectors of the transpose of matrix A (A.T).

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Answer:

answer of this question is A

We can solve this system of equations by substitution or elimination method. Solving, we find the values a = -52 and b = -32.

To find the values of a and b, we need to use the properties of local maximum and minimum points in a function.

First, let's find the derivative of the given function, y = 2x^3 + ax^2 + bx + 36, with respect to x. The derivative will give us the slope of the function at any given point.

y' = 6x^2 + 2ax + b

For a local maximum or minimum, the derivative of the function should be equal to zero. So, we set y' = 0 and solve for x to find the critical points.

6x^2 + 2ax + b = 0

Now, we have two critical points: x = -4 and x = 5.

At x = -4, the function has a local maximum. Substituting x = -4 into the derivative equation:

6(-4)^2 + 2a(-4) + b = 0

96 - 8a + b = 0    ----(1)

At x = 5, the function has a local minimum. Substituting x = 5 into the derivative equation:

6(5)^2 + 2a(5) + b = 0

150 + 10a + b = 0   ----(2)

Now, we have a system of two equations (1) and (2) with two unknowns (a and b). Solving this system of equations will give us the values of a and b.

From equation (1):

-8a + b = -96

From equation (2):

10a + b = -150

We can solve this system of equations by substitution or elimination method. Solving, we find a = -52 and b = -32.

The values of a and b are a = -52 and b = -32, respectively.

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According to recent data, women make up 34% and 26% of workers in science and technology (STEM) fields in Canada and the United States, respectively. The correct option is A. 34% and 26%.

According to recent data, women make up 34% and 26% of workers in science and technology (STEM) fields in Canada and the United States, respectively. This indicates that women are still underrepresented in STEM fields, despite the fact that there has been an effort to attract more women to STEM fields.

In both Canada and the United States, women have made significant progress in breaking down gender barriers in STEM fields. However, there is still work to be done to close the gender gap and increase representation of women in STEM fields.

Women's representation in STEM fields has increased in both Canada and the United States in recent years, but the percentage of women in STEM fields is still significantly lower than the percentage of men. More efforts are needed to close the gender gap in STEM fields and encourage more women to pursue STEM careers.

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Answer:

I determined it's cherry pie because the typical slice size allows 10 slices and that is enough for 10 people to enjoy it's goodness quite amazing

Answer:

1. numerator;

2. denominator

Step-by-step explanation:

For a one-way within-subjects ANOVA, the mean difference attributed to the manipulation is in the NUMERATOR, and the mean difference attributed to individual differences is in the DENOMINATOR of the test statistic.