Find the value of x that makes triangle DEF and triangle XYZ.

Answer:

B

Step-by-step explanation:

For every 4 units moved to the side, it also moves up by 5 units.

Answer:

5/3

1 2/3

Step-by-step explanation:

5 - 3 1/3 can be simplified as follows:

5 - 3 1/3 = 5 - (3 + 1/3) [grouping the whole number and fraction together]

= 5 - (10/3) [converting the mixed number to an improper fraction]

= 15/3 - 10/3 [finding a common denominator for subtraction]

= 5/3

Therefore, 5 - 3 1/3 is equal to 5/3.

Answer:

decimal notation

Step-by-step explanation:

thanks for the question

Answer:

Great question! It is decimal notation.

The line of best fit for this set of points is y = -1.00x + 9.00.

Coefficient is a value that is used to indicate the degree or amount of a certain property or characteristic. It is usually used in mathematics and physics, and is a numerical measure of how two variables are related. For example, the coefficient of friction is a number that indicates how much resistance there is between two surfaces when one is sliding over the other. In economics, the coefficient of elasticity is used to measure how much of a change in one variable affects a change in another.

Linear regression is a technique used to find the line of best fit for a given set of points. To use linear regression, we must first calculate the mean of all the x and y coordinates. The mean of the x coordinates is 4, and the mean of the y coordinates is 4.5.

We then calculate the sum of the squared differences between the x and y coordinates and their respective means. This sum is 36.5.

Next, we calculate the sum of the products of the differences between the x and y coordinates and their respective means. This sum is -25.

Using the formula for linear regression, we can calculate the slope of the line of best fit. The slope is -1.00.

To calculate the y-intercept of the line of best fit, we use the slope and the mean of the x and y coordinates. The y-intercept is 9.00.

The line of best fit for this set of points is y = -1.00x + 9.00.

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Therefore, the probability that a randomly selected family owns a cat is 0.257. Therefore, the conditional probability that a randomly selected family doesn't own a dog given that it owns a cat is 0.778.

Probability is a branch of mathematics that deals with the study of random events or situations. It involves the quantification of the likelihood or chance of an event occurring, expressed as a number between 0 and 1, with 0 representing impossibility and 1 representing certainty. The theory of probability provides a framework for making predictions, analyzing data, and making decisions in situations involving uncertainty or randomness.

Here,

Let's use the following events:

D: family owns a dog

C: family owns a cat

From the problem statement, we know:

P(D) = 0.3

P(C|D) = 0.2

P(C) = 0.34

1. To find the probability that a randomly selected family owns a cat, we can use the law of total probability:

P(C) = P(C|D) * P(D) + P(C|not D) * P(not D)

We don't know P(C|not D), but we can find it using the fact that P(not D) = 1 - P(D):

P(C|not D) = (P(C) - P(C|D) * P(D)) / P(not D)

P(C|not D) = (0.34 - 0.2 * 0.3) / (1 - 0.3)

P(C|not D) = 0.2857

Substituting the values:

P(C) = 0.2 * 0.3 + 0.2857 * 0.7

P(C) = 0.257

2. To find the conditional probability that a randomly selected family doesn't own a dog given that it owns a cat, we can use Bayes' theorem:

P(not D|C) = P(C|not D) * P(not D) / P(C)

Substituting the values:

P(not D|C) = 0.2857 * 0.7 / 0.257

P(not D|C) = 0.778

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Complete question:

In a certain community, 30% of the families own a dog, and 20% of the families that own a dog also own a cat. It is also known that 34% of all the families own a cat. What is the probability that a randomly selected family owns a cat? What is the conditional probability that a randomly selected family doesn't own a dog given that it owns a cat?

The missing value in the proportion 4:x = 20:10 is 2.

What is proportion?

In general, the term "proportion" refers to a part, share, or amount that is compared to a whole. According to the definition of proportion, two ratios are in proportion when they are equal.

To find the missing value in the proportion 4:x = 20:10, we can use the property that the ratios of the corresponding terms in a proportion are equal.

That is, 4:x = 20:10 is equivalent to the equation -

4 / x = 20 / 10

Simplifying this equation, we get -

4 / x = 2

Multiplying both sides of the equation by x, we get -

4 = 2x

Dividing both sides of the equation by 2, we get:

x = 2

Therefore, the value for x is obtained as 2.

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Find the missing value 4:x = 20:10.

The probability that someone who doesn't believe in ghosts is male is 6/19.

The measure of the likelihood or chance of an event occurring is known as Probability. It is expressed as a number between 0 and 1, with 0 indicating impossibility and 1 indicating certainty, and is often used in statistics, mathematics, and science.

The frequency table shows that 12 males don't believe in ghosts, and 26 females don't believe in ghosts. So, the total number of people who don't believe in ghosts is 12+26=38.

Out of these 38 people who don't believe in ghosts, 12 are male. Therefore, the probability that someone who doesn't believe in ghosts is male is:

P(Male | Don't believe in ghosts) = P(Male and Don't believe in ghosts) / P(Don't believe in ghosts)

= 12/38

= 6/19

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Answer:

A. To find when the spider's height is at 0 feet, we need to solve the equation h = 33.3t - 16t^2 for t when h = 0. This gives us:

0 = 33.3t - 16t^2

0 = t(33.3 - 16t)

t = 0 or t = 2.08125 (rounded to 5 decimal places)

So the spider's height is at 0 feet at 0 seconds and 2.08125 seconds.

B. To find the spider's height after 1 second, we substitute t = 1 into the equation:

h = 33.3t - 16t^2

h = 33.3(1) - 16(1)^2

h = 17.3 feet

So the spider's height after 1 second is 17.3 feet.

The value of [tex]$g(f(g(f(g(f(g(f(12)))))))) = \frac{5926}{3335}$[/tex] when the function f is applied 8 times and g is applied 8 times alternatively.

The process of applying one function to the result of another is known as function composition. In other words, if we have two functions, f and g, we may combine them to create a new function that accepts an input, processes it though g, and then outputs f.

For the given composite function we start with the innermost function.

Find the value of f(12):

[tex]f(12) = \frac{1+12}{1-12} = -\frac{13}{11}$\\\$g(f(12)) = \frac{-2}{-\frac{13}{11}+1} = \frac{22}{13}$\\$f(g(f(12))) = \frac{1+\frac{22}{13}}{1-\frac{22}{13}} = -\frac{35}{9}$\\$g(f(g(f(12)))) = \frac{-2}{-\frac{35}{9}+1} = \frac{18}{13}$[/tex]

[tex]f(g(f(g(f(12))))) = -\frac{157}{139}$\\$g(f(g(f(g(f(12)))))) = \frac{278}{157}$\\$f(g(f(g(f(g(f(12))))))) = -\frac{3335}{2963}$\\$g(f(g(f(g(f(g(f(12)))))))) = \frac{5926}{3335}$[/tex]

Hence, the value of [tex]$g(f(g(f(g(f(g(f(12)))))))) = \frac{5926}{3335}$[/tex] when the function f is applied 8 times and g is applied 8 times alternatively.

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The answer after shorting are dog,top,not,box,jog.

What is sorting?

Sorting is the process of arranging or categorizing a set of items in a particular order or sequence according to specific criteria. It is a fundamental operation in computer science and is used extensively in various applications such as data analysis, information retrieval, and database management.

In general, sorting involves comparing elements of a collection, such as an array or a list, and rearranging them according to a predetermined order. The order can be based on a variety of factors, such as numerical value, alphabetical order, or date/time stamp. The two main categories of sorting algorithms are comparison-based sorting and non-comparison based sorting.

Some common sorting algorithms include bubble sort, insertion sort, selection sort, quicksort, merge sort, and heapsort. Each algorithm has its own advantages and disadvantages, and the choice of algorithm depends on the specific application and the characteristics of the data being sorted.

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Your complete question is:- Short "O" sound spelling in the following :-

Dog, Top, Not, Box, Jog

The exact volume of solid S is (128√3)/3 cubic units.

What is volume?

A volume is simply defined as the amount of space occupied by any three-dimensional solid. These solids can be a cube, a cuboid, a cone, a cylinder, or a sphere. Different shapes have different volumes.

To find the volume of the solid, we need to integrate the area of each cross-section perpendicular to the x-axis from x = -4 to x = 4.

Since the cross-sections are equilateral triangles, we need to find the side length of each triangle in terms of x.

At any given x, the triangle's base is 2√(16 - x²) (the diameter of the circle), and its height is √3 times its base length (since it is equilateral). Therefore, the area of the triangle is:

A(x) = 1/2 * base * height

= 1/2 * 2√(16 - x²) * √3 * √(16 - x²)

= √3 (16 - x²)

Integrating A(x) from -4 to 4 gives us:

V = ∫[from -4 to 4] A(x) dx

= ∫[from -4 to 4] √3 (16 - x²) dx

= √3 * [16x - (1/3)x³] | from -4 to 4

= √3 * (128/3)

= (128√3)/3

Therefore, the exact volume of solid S is (128√3)/3 cubic units.

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Answer:

-5.5 and 7.5 are 13 units apart

Step-by-step explanation:

The distance between two numbers on a number line is found by subtracting the smaller number from the larger number.

7.5 - ( -5.5) = 7.5 + 5.5 = 13

The answer is 2) 45

According to the question

If two triangles are similar, then their corresponding angles are congruent and their corresponding sides are proportional.

Thus, if we obtain the measure of an angle in one of the triangles, we can determine the measure of the corresponding angle in the other triangle.

So here triangles ABC and DEF are similar so they will be congruent.

Here angle A and angle D are congruent, angle  B and angle E are congruent and angle C and angle F are congruent.
So, angle B≅angle E= 45°

What is meant by congruent?

Congruent means having the same shape and size, with all corresponding angles and sides being equal in measure and length, respectively. It is denoted by the symbol ≅.

What is meant by similar?

Similar refers to the property of two geometric figures having the same shape but possibly different sizes. Corresponding angles of similar figures are congruent, and the ratios of their corresponding sides are equal.

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The two triangle is similar measure of angle B is 45.

Congruent means having the same shape and size, with all corresponding angles and sides being equal in measure and length, respectively. It is denoted by the symbol ≅.

If two triangles are similar, then their corresponding angles are congruent and their corresponding sides are proportional.

Thus, if we obtain the measure of an angle in one of the triangles, we can determine the measure of the corresponding angle in the other triangle.

So here triangles ABC and DEF are similar so they will be congruent.

Here angle A and angle D are congruent, angle  B and angle E are congruent and angle C and angle F are congruent.

So, angle B≅angle E= 45°

Therefore,the two triangle is similar measure of angle B is 45.

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Work accounts for approximately 60° of the pie chart, or 15.48% of the total 360°.

To calculate a pie chart, first, categorize the data and calculate the total.

Each slice of the pie chart represents a numerical value and has a size proportional to the value.

The sum of all the data is equal to 360°, with the total value always being 100%.

To find the percentage for each slice of the pie chart, divide the categories by the total and convert them into percentages.

Finally, calculate the degrees using the formula (Given Data/Total value of Data) × 360°.

For example, let's say we have data on sleep, work, family care, personal care, and leisure, with a total of 168 hours.

To find the percentage for each category, we can use the following calculations:

Therefore, work accounts for approximately 60° of the pie chart, or 15.48% of the total 360°.

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As stated in the problem description, matrix A transforms the input vector (x, y, and z) into the output vector (y+z, 2x-z, 0).

The matrix A is: | 0 1 1 |, | 2 0 -1 |, | 0 0 0 |

A matrix, sometimes known as matrices, is a rectangular array or table of letters, numbers, or other symbols organized in rows and columns that are used to represent a mathematical object or a characteristic of one.

In linear algebra, matrices describe linear mappings and enable explicit computations. As a result, a significant portion of linear algebra involves the study of matrices, and the majority of the characteristics and operations of abstract linear algebra may be described in terms of matrices. The composition of linear maps, for instance, is represented by matrix multiplication.

Not every matrix has a connection to linear algebra. This is especially true for incidence matrices and adjacency matrices in graph theory.

The matrix A is:

| 0 1 1 |

| 2 0 -1 |

| 0 0 0 |

Applying the matrix multiplication A x y z to any random vector (x, y, z)   will demonstrate why:

| 0 1 1 | | x | | y + z |

| 2 0 -1 | x | y | = | 2x - z |

| 0 0 0 | | z | | 0 |

Hence, as stated in the problem statement, matrix A transforms the input vector (x, y, and z) into the output vector (y+z, 2x-z, 0).

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The two points on the line to graph the function is (0, -16) and (1, -53).

A coordinate system in geometry is a method for determining the precise location of points or other geometrical objects on a manifold, such as Euclidean space, using one or more integers, or coordinates. The order of the coordinates is crucial, and they are sometimes recognised by their position in an ordered tuple and occasionally by a letter, as in "the x-coordinate". In elementary mathematics, the coordinates are assumed to be real numbers, although they might instead be complex numbers or components of a more abstract system, such a commutative ring.

The given function is:

q(x)=3x−(2+5x)8

To find two points on the line to graph the function we substitute different values of x.

For x = 0:

q(x)=3x−(2+5x)8

q(0) = 3(0) - (2 + 5(0))8

q(0) = -16

For x = 1:

q(x)=3x−(2+5x)8

q(1) = 3(1) - (2 + 5(1))8

q(1) = 3 - (7)8

q(1) = -53

Hence, the two points on the line to graph the function is (0, -16) and (1, -53).

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In the statement , the number is 5.5.

The Latin term "Integer," which implies entire οr intact, is where the wοrd "integer" first appeared. Zerο, pοsitive numbers, and negative numbers make up the particular categοry οf numbers knοwn as integers.

Here let us take the given integer as x.

Then , cοnsecutive οdd integer is x+2.

Nοw accοrding tο the given questiοn is multiplicatiοn οf an integer by its cοnsecutive οdd integer is 11 mοre than the square οf the number. then, cοnverting intο expressiοn,

=> x [tex]\times[/tex] (x+2) = [tex]x^2+11[/tex]

=> [tex]x^2+2x=x^2+11[/tex]

=> 2x = 11

=> x = 11/2 = 5.5

Hence the number is 5.5.

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Answer:

Step-by-step explanation:

0.0075 (rounded to the nearest hundredth)

Answer:

8

Step-by-step explanation:

Range is difference between max and min values:

20 - 12 = 8

The cost of an ad algebraically as a piecewise function is 29.50x + 5.25

An algebraic function is a polynomial equation that can be constructed using only algebraic operations such as addition, subtraction, multiplication, division and exponentiation

The given statement reads:

The Fort Salonga News charges $29.50

Each line above four lines costs an additional $5.25.

Let the expression be in x

y= 29.50x + 25.5

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They are dependent events because the outcome of B completely depends on what happened on A. Another notation to represent the probability of a series of dependent events is P(A|B), it is read as The probability of A given B.

Two events A and B are said to be independent if the fact that one event has occurred does not affect the probability that the other event will occur. If whether or not one event occurs does affect the probability that the other event will occur, then the two events are said to be dependent.

Answer:To introduce her class to binomial distributions, Mrs. Desai gives a

-item, multiple-choice quiz. The catch is, that students must simply guess an answer (A through E) for each question. Mrs. Desai uses her computer's random number generator to produce the answer key so that each possible answer has an equal chance to be chosen. Patti is one of the students in this class.

Let

the number of Patti's correct guesses.

To get a passing score on the quiz, a student must guess correctly at least

times. Would you be surprised if Patti earned a passing score? Compute an appropriate probability to support your answer.

Step-by-step explanation:

(3, 8).

General form is: y = ax² + bx + c.

[tex]y=x^2-6x+1[/tex]

Formula: [tex]x=-\frac{b}{2a}[/tex]

So "b" should be the coefficient of the "x" variable, that value is: -6.

Now, the "a" value is implicit, since the x² doesn't have any numbers in front of it. Therefore, the value of "a" is 1.

[tex]x=-(\frac{(-6)}{2(1)})\\ \\x=-(\frac{-6}{2})\\ \\x=-(-3)\\ \\x=3[/tex]

[tex]y=x^2-6x+1\\ \\y=(3)^2-6(3)+1\\ \\y=9-18+1\\ \\y=-8[/tex]

(3, 8).

Take a look at the attached image to see the graph and vertex of this function.

The value that is closest to the linear correlation coefficient for the data include the following: D) 0.695​.

In order to determine a linear equation for the line of best fit (trend line) that models the data points contained in the table, we would have to use a graphing calculator (scatter plot).

In this scenario, the heights would be plotted on the x-axis of the scatter plot while the maximum speeds would be plotted on the y-axis of the scatter plot.

From the scatter plot (see attachment) which models the relationship between the heights and the maximum speeds, a linear equation for the line of best fit and correlation coefficient are as follows:

Equation: y = 0.205x + 33.42

Correlation coefficient, r = 0.695​.

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The equations of the asymptotes of the graph are x = 1, x = -1 and y = 3x

The equation of the function is given as

f(x)=3x^3-24/x^2-1

Set the denominator to 0

So, we have

x^2 - 1 = 0

Apply the difference of two squares

(x - 1)(x + 1) = 0

Evaluate

x = 1 and x = -1 ---- the vertical asymptotes

Here, we have the degree of the numerator to be greater than that of the denominator

So, we have

y = 3x^3/x^2

y = 3x ----- horizontal asymptote

Note that the horizontal asymptote is the same as the slant asymptote

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Thus, the solution of the expression [(-17) - (26) divided by 2] is found as the  -21.5.

A quantity is subtracted from another quantity in subtraction, which is a mathematical process. Sutraction is expressed in word puzzles by phrases like "x smaller than 3" or "9 subtracted from x."

The given expression:

= [(-17) - (26)] / 2

Open the inner most brackets.

= [-17 - 26]/2

The numbers with the same sign (either positive or negative numbers gets added retaining the same sign).

= -43 / 2

Divide the number with 2.

= -21.5

Thus, the solution of the expression [(-17) - (26) divided by 2] is found as the  -21.5.

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Answer:

the flare will be in the air for approximately 29.09 seconds before fizzling out at a height of 10 meters above ground.

Step-by-step explanation:

To find out how long the flare will be in the air, we need to find the time it takes for the flare to reach a height of 10 meters.

Setting h(t) to 10 and solving for t:

-0.5t² +16t+22 = 10

-0.5t² +16t+12 = 0

Using the quadratic formula:

t = (-b ± √(b² - 4ac)) / 2a

Where a = -0.5, b = 16, and c = 12:

t = (-16 ± √(16² - 4(-0.5)(12))) / 2(-0.5)

t = (-16 ± √(256 + 24)) / -1

t = (-16 ± √280) / -1

t ≈ -1.09 or t ≈ 29.09

Since time cannot be negative, we can ignore the negative root. Therefore, the flare will be in the air for approximately 29.09 seconds before fizzling out at a height of 10 meters above ground.

The answer tο part (A) is that the centre οf the circle is (13, 1), and the answer tο part (B) is that the radius οf the circle is 2.

A circle is a twο-dimensiοnal shape that is defined as the set οf all pοints in a plane that are equidistant frοm a fixed pοint called the center. The distance frοm the center tο any pοint οn the circle is called the radius, and the distance acrοss the circle passing thrοugh the center is called the diameter. The equatiοn οf a circle with center (h, k) and radius r is:

(x - h)² + (y - k)² = r²

Cοmparing this with the given equatiοn:

(x- 13)² + (y - 1)² = 4

We can see that the center οf the circle is (13, 1), and the radius οf the circle is the square rοοt οf 4, which is 2.

Therefοre, the answer tο part (A) is that the centre οf the circle is (13, 1), and the answer tο part (B) is that the radius οf the circle is 2.

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Complete Question

A circle has the equation (x−13)2+(y−1)2=4.

A: What is the center of the circle?

B: What is the radius of the circle?

Select two answers: one for question A, and one for question B.

A: (13,1)

B: 4

A: (−13,−1)

A: (13,1)

A: (13,−1)

B: 2

B: 2–√

The distance between carla and Lola is approximately 7.01 meters

Looking at the description given, we can conclude that the figure will resemble a right angle triangle.

And to solve this we use the Pythagoras theorem.

This states that in a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides “.

The sides of this triangle have been named Perpendicular, Base and Hypotenuse.

Here, the hypotenuse is the longest side, as it is opposite to the angle 90°

We can represent this as

H² = O² + A²

Where?

We are given the hypotenuse and the Adjacent side; we are to find the Opposite side.

Using the expression above, we will have.

9.7² = 6.7² + Opp²

94.09 = 44.89 + Opp²

Opp² = 94.09 - 44.89

Opp² = 49.2

Opp = √49.2

Opp = 7.01 meters approximately

Hence, the distance is 7.01 meters

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