Kirill purchased 20 cows, pigs and chickens for $3,447. If cows cost $750 each,
pigs cost $60 each, and chickens cost $3 each, and he bought two more chickens than
pigs, how many of each animal did he purchase?

Explanation on how to do this please?

The sorting algorithms that are not comparison based are counting sort, bucket sort, and radix sort.

Counting sort works by counting the number of occurrences of each element in an array and then using this information to determine the position of each element in the sorted array.

Bucket sort works by dividing the array into a number of smaller arrays, called buckets, and then sorting each of these smaller arrays separately.

Radix sort works by sorting the elements of an array based on the individual digits of each element, starting with the least significant digit and working up to the most significant digit.

These algorithms do not rely on comparisons between elements, which is why they are not considered comparison based.

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The correct answer is a) No you cannot, because the lower boundary of the confidence interval is .131, which is less than .30, and so the true correlation could be less than .30.

Correlation analysis allows us to examine the strength, direction, and nature of the relationship between two variables, and to determine whether or not there is a statistically significant association between them.

Based on the information given, there appears to be a positive correlation between time spent exercising and test scores. This means that as the time spent exercising increases, the test scores also tend to increase. However, we cannot determine the strength or causality of this correlation without additional information or analysis. It is possible that other factors could be influencing both variables or that there could be confounding variables affecting the relationship.

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Correct question:

Assume a researcher found that the correlation between a test she had developed and exam performance was .5 in a study of 25 students. She had previously been informed that correlations under .30 are considered unacceptable. The 95% confidence interval was [0.131, 0.747]. Can you be confident that the true correlation is at least 0.30?

The side length QR = 34 derived using the Pythagoras rule, and the following are the values of the trigonometric ratio:

sin Q = 30/34, cos Q = 16/34 , tan Q = 30/16, sin Q = 30/34, cos Q = 16/34, and tan Q = 30/16

The Pythagoras rule states that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. 

QR² = 16² + 30²

QR = √(256 + 900) {take square root of both sides}

QR = √1156

QR = 34

since we have QR = 34, RS = 30, and SQ = 16, then:

Considering the angle Q for the right triangle;

sin Q = 30/34 {opposite/hypotenuse}

cos Q = 16/34 {adjacent/hypotenuse}

tan Q = 30/16 {opposite/adjacent}

Considering the angle R for the right triangle;

sin R = 16/34 {opposite/hypotenuse}

cos R = 30/34 {adjacent/hypotenuse}

tan R = 16/30 {opposite/adjacent}

Therefore, the side length QR = 34 derived using the Pythagoras rule, and the following are the values of the trigonometric ratio:

sin Q = 30/34, cos Q = 16/34 , tan Q = 30/16, sin Q = 30/34, cos Q = 16/34, and tan Q = 30/16.

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The circles with the specified angle of internal sectors, indicates that we get the following arc and radial lengths;

2. m∠ADC = 160°

m∠BDC = 160°

3. Length of [tex]\widehat{CB}[/tex] ≈ 11.17 inches

4. Length of [tex]\widehat{ABC}[/tex] ≈ 13.96 inches

5. a. The radius of ⊙ Q ≈ 14.324 inches

The radius is the straight line extending from the circle center to the circumference. The radius is the shortest distance from the circle center to the circumference of the circle.

Angle ∠ADC is congruent to ∠BDC in the circle with center D

∠ADC ≅ ∠BDC

2. ∠ADC ≅ ∠BDC, therefore;

m∠ADC = m∠BDC

The angle sum property of the angle at the center of a circle, indicates that we get;

40° + m∠ADC + m∠BDC = 360°

Therefore by plugging in m∠ADC = m∠BDC, we get;

40° + m∠ADC + m∠ADC = 360° (substitution property)

40° + 2 × m∠ADC = 360°

2 × m∠ADC = 360° - 40° = 320°

m∠ADC = 320° ÷ 2 = 160°

m∠ADC = 160° = m∠BDC

m∠BDC = 160°

3. The length of the arc [tex]\widehat{CB}[/tex], can be obtained from the proportion of the circumference of the circle D represented by the sector BDC as follows;

Length of the arc [tex]\widehat{CB}[/tex] = ((m∠BDC)/360°) × 2·π·r

Where;

r = The radius of the circle

The radius of the circle, r = 4 inches

Therefore; Length of the arc [tex]\widehat{CB}[/tex] = (160°/360°) × 2 × π × 4 ≈ 11.17

4. The length of the arc [tex]\widehat{ABC}[/tex] can be found as follows;

The angle at the center of the arc [tex]\widehat{ABC}[/tex] = 40° + m∠BDC

Therefore; The angle at the center of the arc [tex]\widehat{ABC}[/tex] = 40° + 160° = 200°

5. The length of the arc [tex]\widehat{AB}[/tex] = 15 inches

The angle formed by the sides AQ and BQ of the sector AQB = 60°

Therefore, we get;

length of the arc [tex]\widehat{AB}[/tex] = (60°/360°) × 2 × π × r = 15 inches

r = 15/((60°/360°) × 2 × π) ≈ 14.324

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Answer:

Step-by-step explanation:20

If a < b, we can say that b is to the right of a on the number line. In other words, a is to the left of b.

A number line is a horizontal line with evenly spaced number increments. The numbers on the line will determine how the number on the line can be answered. The question that goes with the number determines how it will be used, such as plotting a point.

If a b, then b is to the right of a on the number line. To put it another way, an is to the left of b.

This is because the number line depicts the order of real numbers, with smaller numbers to the left and larger numbers to the right. Because an is less than b, it is a smaller number and must be to the left of b on the number line.

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[tex]\dfrac{2}{3}x=6[/tex]

[tex]\dfrac{\frac{2}{3}x}{\frac{2}{3}}=\dfrac{6}{\frac{2}{3}}\\\\x=\dfrac{6}{\frac{2}{3}}\\\\x=6\div\dfrac{2}{3}[/tex]

[tex]x=6\times\dfrac{3}{2}\\\\x=\dfrac{18}{2}\\\\x=9[/tex]

x = 9

A unit of measurement which is equal to one thousands meters is known as one kilometers.

Therefore, the given units of measurement equal to one thousand meters is called one - kilometers.

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factorials with algebraic expressions still be correct if you substitute the letter with a number.

Factorial is a mathematical operation denoted by the exclamation mark (!). It is used to find the product of all positive integers from 1 to a given number. For example, the factorial of 4 (written as 4!) is:

4! = 4 × 3 × 2 × 1 = 24

Given by the question.

if you substitute a numerical value for the algebraic expression, the resulting factorial can be computed and evaluated as a numerical expression.

For example, consider the factorial expression n! where n is an algebraic expression such as n = x + 2. Substituting a numerical value for x, say x = 3, we get n = 3 + 2 = 5, and hence we can compute 5! = 5 x 4 x 3 x 2 x 1 = 120.

Similarly, if we have an expression like (n+1)! /(n-1)! where n is an algebraic expression, we can substitute a numerical value for n and compute the resulting value. For example, if we substitute n = 4, we get (4+1)!/(4-1)! = 5!/3! = (5 x 4 x 3 x 2 x 1)/(3 x 2 x 1) = 60.

It's important to note that substituting numerical values for algebraic expressions only works if the resulting expression is well-defined and doesn't lead to any undefined or indeterminate forms (such as division by zero).

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Answer: To compare the costs between the two suppliers, we need to find the total cost of 83 bushes and 22 trees from each supplier.

For Pinedale Plants:

The first order was for 10 bushes and 5 trees, so the cost per bush is $393.6 / 10 = $39.36.

The second order was for 5 bushes and 2 trees, so the cost per bush is $177.32 / 5 = $35.464.

To find the average cost per bush from Pinedale Plants, we can take the average of the two costs: ($39.36 + $35.464) / 2 = $37.412

The total cost from Pinedale Plants for 83 bushes would be 83 * $37.412 = $3108.976

The total cost from Pinedale Plants for 22 trees would be 22 * $35.464 (since the cost per tree was not specified), which is $777.75

The total cost from Pinedale Plants for 83 bushes and 22 trees would be $3108.976 + $777.75 = $3886.726

For Sierra Shrubs:

The cost per bush from Sierra Shrubs is $18.27

The total cost from Sierra Shrubs for 83 bushes would be 83 * $18.27 = $1510.01

The cost per tree from Sierra Shrubs is $41.96

The total cost from Sierra Shrubs for 22 trees would be 22 * $41.96 = $923.12

The total cost from Sierra Shrubs for 83 bushes and 22 trees would be $1510.01 + $923.12 = $2433.13

So, we can see that the total cost from Sierra Shrubs for 83 bushes and 22 trees is lower than the total cost from Pinedale Plants. The company would save $3886.726 - $2433.13 = $1453.596 by ordering from Sierra Shrubs.

Step-by-step explanation:

The equation of the circle that models the circumference of the circular area the bees were foraging in is given as follows:

(x - 3)² + (y - 7)² = 41.

The equation of a circle of center [tex](x_0, y_0)[/tex] and radius r is given by:

[tex](x - x_0)^2 + (y - y_0)^2 = r^2[/tex]

A beehive is located at (3, 7), hence the center is located at (3,7), thus:

(x - 3)² + (y - 7)² = r².

The farthest patched was located at (-1,2), hence the radius is obtained as follows:

(-1 - 3)² + (2 - 7)² = r²

r² = 41.

Hence the equation is:

(x - 3)² + (y - 7)² = 41.

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Answer:is this real

Step-by-step explanation:

1 =727

Answer:

28 lawns

Step-by-step explanation

If there is 7 lawns for 4 hours there will be 14 lawns in 8 hours. and 28 lawns in 16 hours

The values of x is 13.42, y is 12 and z is 26.83 for right angle triangle ABC shown below.

The Pythagorean theorem, which states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides, is a fundamental property of right triangles.

By the figure apply Pythagorean theorem in right angle ΔABC;

x² + z² = (24+6)² = 30²

x² + z² = 900         (eq. 1)

Apply Pythagorean theorem in right angle ΔAEB;

y² + 24² = z²

z² - y² = 576          (eq. 2)

Apply Pythagorean theorem in right angle ΔAEC;

y² + 6² = x²

x² - y² = 36            (eq. 3)

subtract eq. 2 and 3; then we get,

z² - x² = 540      (add this eq. with eq. 1)

2z² = 1440

z = √720  = 26.83

put in eq. 1

x² + 720 = 900

x = √180 = 13.42  

put x value in eq. 3

180 - y² = 36

y = 12

Therefore, the values of x is 13.42, y is 12 and z is 26.83

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The prime factorization of 35 is 5 * 7

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

Number = 35

Express 35 as the product of its factors

So, we have the following representation

Number = 5 * 7

None of the factors 5 and 7 can be further simplified

This means that the prime factorization of 35 is 5 * 7

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Answer:

ky - c

Step-by-step explanation:

K(Y) - C

(K*Y) - C

Answer: Jacinda has 4 cookies left over.

Step-by-step explanation:

If Jacinda divides 19 cookies into 5 equal piles using as many cookies as possible, but has some left over, we can use integer division to determine how many cookies are in each pile. Integer division divides two numbers and rounds down to the nearest integer. In this case, the number of cookies in each pile is:

19 cookies ÷ 5 piles = 3 with a remainder of 4

Answer: 4

Step-by-step explanation:

Based on the given conditions, formulate: 19-5

Calculate the sum or difference: 14

Multistage sampling is a probability sampling technique that involves sampling in stages or multiple steps. In this technique, a large population is divided into smaller subgroups, and then a random sample is selected from each subgroup.

Here is an example of multistage sampling:

Suppose we want to conduct a study on the prevalence of a certain disease among high school students in a particular country. The population of high school students in the country is very large, so it is not feasible to sample all of them. Instead, we can use multistage sampling to select a representative sample.

In the first stage, we randomly select a certain number of schools from different regions of the country. Let's say we select 20 schools.

In the second stage, we randomly select a certain number of classes from each of the selected schools. Let's say we select 2 classes from each of the 20 schools, resulting in a total of 40 classes.

In the third stage, we randomly select a certain number of students from each of the selected classes. Let's say we select 10 students from each of the 40 classes, resulting in a total of 400 students.

This process of selecting a sample in stages is an example of multistage sampling. By selecting schools, classes, and students in a random and systematic way, we can obtain a representative sample of high school students in the country, which can be used to estimate the prevalence of the disease.

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The value of y is -2.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

2 (y + 6) = 8

Using the distributive operation of multiplication over addition.

2y + 12 = 8

2y = 8 - 12

2y = -4

y = -2

Thus,

y = -2.

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The measure of the angle m∠C = m∠H is equal to 35°.

We know two similar planer figures are congruent when we have sides or angles or both that are the same as the corresponding sides or angles or both.

Given, Triangle ABC is similar to triangle FGH.

Therefore, m∠A = m∠F = 63° and m∠B = m∠G = 82°.

We know the sum of the measure of all the interior angles in a triangle is 180°.

Therefore, m∠C = m∠H = 180° - 63° - 82° = 35°.

Congruency can be applied to any two dimensional figure, For example,

Two circles are congruent if they have the same radius length.

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Analyzing a distribution's form and the placements of its mean, median, and mode in relation to one another can reveal its symmetry.

Therefore by analyzing a distribution's form and the placements of its mean, median, and mode in relation to one another can reveal its symmetry. The following techniques can be used to determine a distribution's symmetry: Examining a distribution's histogram, box plot, or probability density function visually is one technique to identify a distribution's symmetry. If the distribution's shape appears to be symmetrical, it probably is. The subjective nature of this approach means that it might not give an accurate indication of symmetry.

Skewness is a measurement of a distribution's asymmetry. It may be calculated manually or with the aid of statistical tools. Examining a distribution's histogram, box plot, or probability density function visually is one technique to identify a distribution's symmetry. If the distribution's shape appears to be symmetrical, it probably is. Skewness is zero for a symmetric distribution. When the skewness is positive, the distribution is skewed to.

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The initial value (initial fee) for the picnic is $40. Then the correct options are A, B, and D.

Let the equation of the line pass through (x₁, y₁) and (x₂, y₂). Then the equation of the line is given as,

[tex]\rm (y - y_2) = \left (\dfrac{y_2 - y_1}{x_2 - x_1} \right ) (x - x_2)[/tex]

Let 'x' be the number of people and 'y' be the total cost.

From the table, the two points are (6, 52) and (9, 58). Then the equation of the line is given as,

(y - 52) = [(58 - 52) / (9 - 6)](x - 6)

y - 52 = 2x - 12

y = 2x + 40

The initial value (initial fee) for the picnic is $40. Then the correct options are A, B, and D.

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The approximate area of the remaining part of the fabric is given as 17.415 square feet

To get the solution, we have to solve for the area of the square shape and the area of the circle

The area of a square is given as A = a²

The area of a circle is given as πr²

We would have area of remaining fabric as

a² -  πr²

The square has its sides as a = 9 cm

the circle has π = 3.14

we  are to find the radius. But first we have to determine the diameter

The circle runs from one end of the square to the other end. This should be the diameter, because it is the length of the square as well

Diameter = 9 cm

radius = diameter / 2

= 9 / 2

= 4.5

When we put the values in the formula a² -  πr² we would have

9² - 3.14 * 4.5²

81 - 3.14 * 20.25

81 - 63.585

= 17.415

The area of the remaining part after the circle is cut is 17.415 square feet

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Answer:

m = -5/3

Y-intercept: (0, 64/3)

Step-by-step explanation:

Slope = rise/run or (y2 - y1) / (x2 - x1)

Points (14, -2) and (5,13)​

We see the y increase by 15 and the x decrease by 9, so the slope is

m = -15/9 = -5/3
The y-intercept is located at ( 0, 64/3)

Nul(A) = Nul(B) , Col(A) = Col(B) in integer matrices.

Describe matrix using an example?

A matrix is a collection of numbers that have been put in rows and columns to make a rectangular array. The entries of the matrix are the numbers, which are referred to as its elements.

                                 In addition to many other areas of mathematics, matrices have extensive applications in the fields of engineering, physics, economics, and statistics.

The null space of any matrix A consists of all the vectors

 X  such that Ax = 0

And the column space of a matrix A is the span of its column vectors.

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

Therefore, Nul(A) = {(0,0,0,w ) w∈ Z }

 Col(A) = span{ (1,0,0), (0,1,0) , (0,0,1) }

By using definition of Null space of matrix and column space of matrix.

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

Nul(A) = {(0,0,0,w ) w∈ Z }

 Col(A) = span{ (1,0,0), (0,1,0) , (0,0,1) }

Hence Nul(A) = Nul(B) , Col(A) = Col(B)

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Answer:

-3

Step-by-step explanation:

Answer:

B isa the answer for me it might be wrong for you or switch them

Step-by-step explanation:

Answer:W+6

Step-by-step explanation: