A parabola can be drawn given a focus of (6, 2) and a directrix of y = - 8 Write the equation of the parabola in any form.

(a) The median of variable x is 70.

(b) The third quarterly of variable y is 94.

(c) Variable y has more dispersion.

(d) Shape of variable x is Symmetric.

(e) The shape of y variable is Skewed left.

a) The median of the variable x, which sits in the middle of the provided box plot, is 70 (roughly).

b) Variable Y's third quarterly value is 94. (approximately).

c) Because Q1 is farther away from the median than Q2, variable y has a higher inter quarterly range than variable x.

d) The shape of the variable x is symmetrical because both the left and right whiskers are roughly the same length and the median is located in the center of the box.

e) The left whisker of the y variable is longer than the right whisker, and the median is located outside the box's center.

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The complete question is given below:

It is approximately equal to 83.3%

In mathematics, a percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate the percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word per cent means per 100. It is represented by the symbol “%”

Given here, 5/6 thus in percentage terms it will be = 5/6 × 100

                                                                                    = 83.3%

Hence the answer is  83.3%

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Answer:

Your answer should be [tex]\frac{\pi }{7}[/tex]

Step-by-step explanation:

Looking at the x-axis we can say that is our b.

Period Formula: 2π/b.

x-axis is from 0 to 20.

b = 14 because of the rise to rise.

2π/14 = π/7

Answer:

(8.25, 9.75)

Step-by-step explanation:

To find the point that is ¼ of the distance from A to D, we first need to find the coordinates of D. Since A is located at the point (3, 7) and D is located at the point (11, 11), we can use the distance formula to find the distance between these two points. The distance formula is given by:

distance = √((x2 - x1)^2 + (y2 - y1)^2)

where (x1, y1) and (x2, y2) are the coordinates of the two points. In this case, we have x1 = 3, y1 = 7, x2 = 11, and y2 = 11, so the distance between A and D is:

distance = √((11 - 3)^2 + (11 - 7)^2) = √(8^2 + 4^2) = √(64 + 16) = √80 = 8.944

Now that we know the distance between A and D, we can use this information to find the point that is ¼ of the distance from A to D. Since C is ¼ of the distance from A to D, it is located ¼ of the way along the line between A and D. This means that we can find the coordinates of C by taking the average of the coordinates of A and D, weighted by ¼ and ¾, respectively. In other words, the coordinates of C are given by:

C = ¼ * A + ¾ * D

where A and D are the coordinates of points A and D, respectively. Plugging in the coordinates of A and D, we get:

C = ¼ * (3, 7) + ¾ * (11, 11) = (0.75 * 3 + 2.25 * 11, 0.75 * 7 + 2.25 * 11) = (8.25, 9.75)

Therefore, the point C is located at the coordinates (8.25, 9.75).

Term matrix is not a type of matrix among the given options.

A matrix is a rectangular array of numbers or other mathematical objects for which operations such as addition and multiplication are defined.

There are several types of matrices, including:

1. Square Matrix: A square matrix is a matrix in which the number of rows is equal to the number of columns.

2. Scalar Matrix: A scalar matrix is a type of matrix in which all the elements are equal to a single number (the scalar).

3. Trace Matrix: A trace matrix is a type of matrix in which the trace (sum of the diagonal elements) is a scalar multiple of the identity matrix.

4. Identity Matrix: An identity matrix is a type of matrix in which all the elements on the main diagonal are 1s and all other elements are 0s.

5. Symmetric Matrix: A symmetric matrix is a type of matrix in which the elements above and below the main diagonal are equal.

6. Diagonal Matrix: A diagonal matrix is a type of matrix in which all the elements outside the main diagonal are 0s.

7. Triangular Matrix: A triangular matrix is a type of matrix in which all the elements above or below a specific diagonal are 0s.

8. Orthogonal Matrix: An orthogonal matrix is a type of matrix in which the product of two matrices is the identity matrix.

9. Singular Matrix: A singular matrix is a type of matrix in which the determinant is 0.

10. Inverse Matrix: An inverse matrix is a type of matrix in which the product of the matrix and its inverse is the identity matrix.

Therefore, the answer is D. Term Matrix, as it is not a type of matrix.

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Option D is Answer. Compared with the given matrix, The Term matrix is not a type of matrix.

Term Matrix: It defines a document-term matrix as simply a matrix describing the frequencies of all terms occurring in the collection of text documents.

square matrix: A matrix which is having the same number of rows and columns. It is also called an n*n matrix.

Example:

                [tex]\left[\begin{array}{ccc}1&2\\4&5\\\end{array}\right][/tex]

Scalar matrix: It is a type of square matrix, whose diagonal elements are equal and off-diagonal elements are zero. It is basically a multiple of the square identity matrix.

Example:

                [tex]3I=\left[\begin{array}{ccc}1&0&0\\0&1&0\\0&0&1\end{array}\right] =\left[\begin{array}{ccc}3&0&0\\0&3&0\\0&0&3\end{array}\right][/tex]

Where I define the Identity matrix.

In a square matrix, the sum of elements of the principal diagonal is called the ‘trace of a matrix’. We denote the trace of the matrix A by ‘tr A’.

Example: If A =

                    [tex]\left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right][/tex]

, then tr A = 1 + 5 + 9 = 15.

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The range of the given function in the figure is R - {0, 1, 2, 3}.

The given mapping shows a function f(x).

There are 4 inputs to the function and 5 outputs.

So, the domain set for the given function is written as D = {0, 5, 10, 15}

And the range set for the given function is written as R = {0, 1, 2, 3}

(Since the 5th output is repeating, in the range it is considered only once).

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The correct option D. f(x) = 5(5)ˣ and E. f(x) = 5(1/5)⁻ˣ, for the reflected function over the y-axis.

We are aware of:

f(x) = 5(1/5)ˣ

Positive x-values and negative x-values are switched by a reflection over the y-axis, which also swaps the values of x and x.

Therefore:

f(ax) = f(x)

The following will be the value of the supplied function's y-axis reflection:

(Remember to swap out positive and negative x-values.)

f(x) = 5(1/5)⁻ˣ

A comparable form will be:

f(x) = 5(1/5)⁻ˣ

f(x) = 5(1/5)⁽⁻¹⁾⁽ˣ⁾

f(x) = 5[(1/5)⁻¹]ˣ

f(x) = 5(5)ˣ

Therefore

The following equations depict the reflected function:

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The complete question is-

The function f(x) = 5(1/5)ˣ h is reflected over the y-axis. Which equations represent the reflected function? Select two options.

A. f(x) = One-fifth

B. f(x) = One-fifth.One-fifth.One-fifth

C. f(x) = 5One-fifth

D. f(x) = 5(5)ˣ

E. f(x) = 5(1/5)⁻ˣ

The solution is given as,
Two-digit  numbers                 Multiples of 3             Three-digit numbers
     30                                      3,30, 333,                            333    

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

here,
Place the given number in the appropriate place.
Numbers are 3, 30, 333, 3001,
Two digit number among the numbers = 30
Multiples of 3 among numbers = 30, 333, 3
Three-digit numbers among the numbers = 333

Thus, It is shown that the numbers are placed in their appropriate positions.

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On solving the provided question by slope intercept form, equation formed id=s 3x + 4y - 14= 0 .

One of the most popular ways to express a line's equation is in the slope intercept form of a straight line. Given the slope of the straight line and the y-intercept, the slope intercept formula may be used to get the equation of a line ( the y-coordinate of the point where the line intersects the y-axis). A line's equation is the equation that each point on the line fulfills. There are several ways to solve the equation for a straight line given as, - Slope-intercept form, Point slope form Two-point form and Intercept the form

slope = -3/4

points ( -2,5 )

equation,

(y - y1) = m(x - x1)

( y - 5) = -3/4(x+2)

4y - 20 = -3x - -6

3x + 4y - 14= 0

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The last remaining non - congruent side measure = 48°

Non congruent means "not congruent," i.e., not the same shape, and the sides. Congruent shapes are those that are copies of one another that have been rotated, reflected, and translated.

given

the sum of 6 exterior angles = 310°

remaining angle = ([tex]6x+2[/tex])

All sides of exterior angles sum= 360°

so , remaining angle + sum of all exterior angles=360°

[tex](6x+2)[/tex]  +  310°  =  360°

[tex](6x+2)[/tex]  =  360° - 310C

 [tex](6x+2)[/tex]  =  50°

[tex]x[/tex]  =  48°

The last remaining non - congruent side measure = 48°

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Answer:

t1/2=1m => 30days

A0=500g =0.5kg

t=8m = 240days

A=?

λ=ln2÷t1/2

λ=0.6931÷30

λ=0.0231033333

A=A0×e^-λ×t

A=0.5×e^-0.0231033333×240

A=1.953125grams

The Area of the circle will be = is 144.87 [tex]cm^{2}[/tex]

Given in the question,

The sector of the circle has an area of = 121 [tex]cm^{2}[/tex]

The measure of an arc = is 36 inches.

According to the attached figure,

Let us consider the arc length = L

Let radius = r

As per the question L = 36'

Let the radius be

To calculate the length of the arc we need to use the formula,

L = r x θ

36 = r x θ

θ = [tex]\frac{36}{r}[/tex] degrees ------- equation 1

Now according to the area of the sector of the circle,

A = [tex]r^{2}[/tex] x θ / 2

121 = [tex]r^{2}[/tex] x θ / 2

[tex]r^{2}[/tex] = 2 x 121 / ( [tex]\frac{36}{r}[/tex] )

[tex]r^{2}[/tex] = [tex]\frac{2 * 121 * r}{36}[/tex]  ----- equation 2

r = [tex]\frac{2 * 121 }{36}[/tex]

r = 6.72 cm.

Now if the radius is = 6.72 cm

Diameter = 2 x radius

= 2 x 6.72

= 13.44 cm

Area of the circle = [tex]\pi r^{2}[/tex]

= [tex]\pi[/tex] x 6.72 x 6.72

= 144.87 [tex]cm^{2}[/tex]

Therefore, the area of the circle = is 144.87 [tex]cm^{2}[/tex]

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The linear functions defined in this problem are given as follows:

1. y = -x + 3.

2. y = x - 3.

3. y = 3x + 1.

4. y = -2x - 2.

The slope-intercept definition of a linear function is given as follows:

y = mx + b.

The coefficients and their meaning are given as follows:

From the second bullet point above,  the intercepts for each function in this problem are given as follows:

The slopes are given as follows:

The problem is incomplete, hence we just define the linear functions.

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When the spring is stretched and the distance from point a to point b is 5.3 feet, the value of θ is 53.13  degrees

The distance between point a to point b = 5.3 feet

The length of the top side = 3 feet

Therefore, it will form a right triangle

Here we have to use trigonometric function

Here adjacent side and the hypotenuse of the triangle is given

The trigonometric function that suitable for the given conditions is

cos θ = Adjacent side / Hypotenuse

Substitute the values in the equation

cos θ = 3 / 5

θ = cos^-1(3 / 5)

θ = cos^-1(0.6)

θ = 53.13 degrees

Therefore, the value of θ is 53.13  degrees

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there are 10 clubs on campus. how many ways are there if you want to choose 3 student clubs out of 10 to join is 120

A fractional factorial experiment utilizes subset of combinations that are gotten from the full factorial experiment. They are applicable when there are too many inputs to screen practically or cost or time would be excessive.

Also, using the fractional factorial experiment makes running the experiments faster and cheaper.

10C3 = 10! / (7!*3!)

        = 10*9*8/6

        = 120

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Answer:

Step-by-step explanation:

The equation of this circle in standard form is x² + y² - 8x  - 16y + 73.75 = 0

From the question, we have the following parameters that can be used in our computation:

Endpoints of the longest chord on a circle are (4, 5.5) and (4, 10.5)

These endpoints represent endpoints of the diameter

So, we have the diameter to be

diameter = √[(x₂ - x₁)² + (y₂ - y₁)²]

Substitute the known values in the above equation, so, we have the following representation

diameter = √[(4 - 4)² + (5.5 - 10.5)²]

Evaluate

diameter = 5

So, we have

radius, r = 5/2

The midpoint is

(a, b)= 1/2[(4 + 4, 5.5 + 10.5)]

So, we have

(a, b)= (4, 8)

The circle equation is calculated as

(x - a)² +(y - b)² = r²

Substitute the known values in the above equation, so, we have the following representation

(x - 4)² +(y - 8)² = 2.5²

This gives

x² - 8x + 16 + y² - 16y + 64 = 6.25

Evaluate the like terms

x² + y² - 8x  - 16y + 73.75 = 0

Hence, the equation is x² + y² - 8x  - 16y + 73.75 = 0

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The correct answer is [B] You are increasing your liability.

When you buy a pair of shoes for $85, your cash balance decreases by $85, which means that your wealth also decreases by $85. This is represented by [A] and [C].

[D] You are incurring an expense is also true, because you are spending money on the shoes.

[E] You are acquiring (non-cash) asset is also true, because you are obtaining an asset (the shoes) that you can use or sell in the future.

[B] You are increasing your liability is not true, because a liability is a debt or an obligation that you owe to someone else. In this case, you are not taking on any debt or obligation by buying the shoes, so your liability does not increase.

The fit statistic that can be used across different series that are in fact measured in different units is; MAPE

There are different statistics models in this regards such as;

Mean Absolute Error (MAE)

Mean Absolute Scaled Error (MASE)

Accuracy Percent (Accuracy %)

Mean Squared Error (MSE)

Root Mean Squared Error (RMSE)

Mean Absolute Percent Error (MAPE)

Now, we are told that we need the fit statistic that can be used across different series that are in fact measured in different units.

The correct one will be Mean Absolute Percent Error (MAPE) because the average absolute percent difference between the values that are fitted by the model and the observed data values.

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Probability of the person has the diseases and the test result is positive = 1/90 = 0.011

Probability  refers to the possibility of occurring a certain event. It is expressed by the ratio of the number of favorable outcome to the total possible outcome.

Given, percentage of people who have disease and test result positive =90

percentage of people who has not disease but test result positive =3.1

Suppose 6.0 percent of population are infected

Now, probability of a  randomly selected person  who has diseases and test positive

                          = 1/90

                       =   0.011

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Step-by-step explanation:

A

for a linear function the slope ratio has to be the same between every pair of data points.

between (1, 4) and (2, 8) we have

x changes by +1 (from 1 to 2).

y changes by +4 (from 4 to 8).

the slope is

+4/+1 = 4

between e.g. (2, 8) and (3, 16) we have

x changes by +1 (from 2 to 3).

y changes by +8 (from 8 to 16).

the slope here is +8/+1 = 8.

which is not the same as 4.

so, it is not a linear function.

it is an exponential function.

B.

the function is actually

f(x) = y = 2^(x+1)

an exponential function is of the form

y = a^x

in our case we have

4 = a¹ = 2²

8 = a² = a¹×2 = 2² × 2 = 2^(2+1)

16 = a³ = a²×2 = a¹×2×2 = 2²×2×2

we see

f(n) = a1×2^(n-1) = 2²×2^(n-1) = 2^(n+1)

C.

the average rate of change is

(the difference of the function results at the interval ends) / (the difference of the interval ends).

so, in our case

(f(4) - f(2))/(4 - 2) = (32 - 8)/2 = 24/2 = 12

the average rate of change between stations 2 and 4 is 12 (or 12/1).

Answer:

Um in an old question of mine you said "its been forever". That was my elijahmiraclechild account. I don't really remember you but I would like to

Step-by-step explanation:

Option 2  and option 4 are the respective answers.

The discriminant is the part of the quadratic formula underneath the square root symbol: b²-4ac. The discriminant tells us whether there are two solutions, one solution, or no solutions.

Given here -3x²+6x+2 = 0

therefore the discriminant is (6)² - ( -3×4×2) = 60

Thus the parabola formed by the curve would intersect the x-axis twice

Now for the second part of the answer, the equation is given as

3(2x-1) (x-4) = 3( 2x² - 9x + 4)

=6x² - 27x + 12

Applying the direct formula for root we get                                                 x =  27 + √(27² − 4×6×12)/12

Hence, option 2 is the correct answer for part 1, and option 4 is the correct answer for the latter question.

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Answer:

29=n/3

Step-by-step explanation:

Answer:

29 = n/3

Step-by-step explanation:

[tex]29 = \frac{1}{3} of \: n \\ 29 = \frac{1}{3} \times n \\ 29 = \frac{n}{3} [/tex]

The time presently is 8:15 a.m, and the rocket will launch in 3.75 hours, at 11:20 a.m.

Subtraction (represented by the minus sign) is one of four mathematical operations, the others being addition, multiplication, and division. Subtraction is the procedure of removing items from a collection. Subtraction may be thought of as the inverse of addition. Counting forwards helps children learn to add. To subtract, they just count backwards.

Here,

launch time=11:20 am

time left to launch=3.75 hour

=0.75*60

=45 minutes

= 3 hours 45 minutes

=11 hours 20 minutes-3 hours 45 minutes

=8 hours 15 minutes

=8:15 AM

The time right now is 8:15 AM when rocket will launch in 3. 75 hour and the launch time is 11:20 am.

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One exponential function with the given features is y = 2^x - 3, and is graphed at the end of the answer.

An exponential function is defined as follows:

y = a(b)^x + c.

In which:

The graph of the function has a horizontal asymptote at y = -3, hence:

c = -3.

For a and b, they can assume any non-negative values, hence we attribute these following values:

a = 1, b = 2.

The graph is given at the end of the answer.

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A sampling error is the difference between a population parameter and a sample statistic.

Parameters are numbers that describe the properties of entire populations. Statistics are numbers that describe the properties of samples. For example, the average income for the United States is a population parameter. Conversely, the average income for a sample drawn from the U.S. is a sample statistic. The difference between a parameter vs a statistic is that a parameter is a fixed measure describing the whole population, while a statistic is a characteristic of a sample, a portion of the target population.

Thus, the difference is defined as sampling error.

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Answer: 0.05

Step-by-step explanation:

The equation is k = y/x, which is a constant change rate

Take 5 divided by 100 = 0.05

5% = 0.05

So the constant of proportionality is 0.05

The measure of side a is  4.1 unit.

Let there is triangle ABC such that |AB| = a units, |AC| = b units, and |BC| = c units and the internal angle A is of θ degrees, then we have:

c² = a² + b² - 2ab cos C

(c is opposite side to angle A)

In the given triangle ABC, we have sides BC = a, AB = b and AC = c

Now we know as per cosine rule for all three sides of the triangle.

c² = a² + b² - 2ab cosC

Where;  b = 9 and c = 7 degrees

Angle A = 35 degrees

Plugging these values into the equation, we have;

a² = c² + b² - 2cb cos A

a² = 9² + 7² - 2(9)(7) cos (35)

a² = 81 + 49 - 126 x (-0.9036)

a = 4.1

Therefore, the side a is 4.1 unit.

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