About 2% of the population has a particular genetic mutation. 600 people are randomly selected.

Find the mean for the number of people with the genetic mutation in such groups of 600.

B. strong, negative correlation. An r-value of -0.86 shows a significant, negative correlation between the two variables under consideration.

An r-value of -0.86 shows a significant, negative correlation between the two variables under study. This implies that while one variable rises, the other falls, and vice versa. The inverse relationship is indicated by the negative sign, and the strength of the association is indicated by the absolute value of 0.86. A correlation coefficient's range is from -1 to 1, where -1 denotes a perfect negative correlation, 0 denotes no correlation, and 1 denotes a perfect positive correlation. Thus, an r-value of -0.86 denotes a significant, negative correlation between the two variables.

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Answer:

Step-by-step explanation:Let $x$ be a three-digit positive integer, and let $a$, $b$, and $c$ be the digits of $x$. Then we want $x - (a + b + c)$ to be a three-digit number whose digits are all the same. This means that $x - (a + b + c) = 111$, $222$, $\ldots$, or $888$.

If $x - (a + b + c) = 111$, then we have $x = a + b + c + 111$. Since $x$ is a three-digit number, $1 \leq a \leq 9$, $0 \leq b \leq 9$, and $0 \leq c \leq 9$. Thus, there are $9 \cdot 10 \cdot 10 = 900$ possible values of $x$ that give a three-digit number whose digits are all $1$.

Similarly, we have $x = a + b + c + 222$, $x = a + b + c + 333$, $\ldots$, and $x = a + b + c + 888$. Each of these equations gives $900$ possible values of $x$.

Therefore, there are a total of $8 \cdot 900 = \boxed{7200}$ three-digit positive integers $x$ that satisfy the conditions of the problem.

By answering the presented question, we may conclude that To prepare ratio 5 litres of cold drink, we'll need 625 millilitres of pure fruit concentrate.

In mathematics, ratios demonstrate how frequently one number is contained in another. For example, if there are 8 oranges and 6 lemons in a fruit plate, the ratio of oranges to lemons is 8 to 6. In a similar vein, the orange-to-whole-fruit ratio is 8, whereas the lemon-to-orange ratio is 6:8. A ratio is an ordered pair of integers a and b represented as a / b, where b is not zero. A ratio is an equation that equates two ratios. For example, if there is one male and three girls (for every boy she has three daughters), 3/4 are girls and 1/4 are boys.

If the concentrate-to-water ratio is 1:7, it signifies that the final product requires 7 parts water for every 1 part concentrate. As a result, the total number of components in the combination is 1+7=8.

To produce 5 litres of the cold drink, we must first establish the quantity of concentrate necessary to make 8 parts, and then multiply this figure by 5 litres.

As a result, we need 1 part concentrate and 7 parts water to create 8 parts.

As a result, we require 1/8th of 5,000 millilitres of concentrate, or 625 millilitres.

To prepare 5 litres of cold drink, we'll need 625 millilitres of pure fruit concentrate.

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Graph B is correct and shows the rectangular opening.

Looking at the text the question, I notice that each unit means 1 inch. After looking at all the graphs, I found out that B was the correct answer because of the sides. The sides are five inches by two inches and it was the only graph that had these units.

—————

Please remember to revise this and make it in your own words if you want! I hope this helps you. -Doodle

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Answer: Option B.

Step-by-step explanation:

     With the scale of one unit equalling one inch, the only answer option that meets the given requirement of having side lengths that are 5 inches and 2 inches is option B.

     Answer A is 4 units by 2 units, Answer B is the needed 5 units by 2 units, Answer C is 7 units by 2 units, and Answer D is 6 units by 2 units. This leaves us with Answer B.

We know that we would need to make use of the calculator to obtain the value of 6³⁶ as 1.03 * 10^28.

The expression 6³⁶ means "6 raised to the power of 36," which is equivalent to multiplying 6 by itself 36 times.

So, 6³⁶ is a very large number.  This number is difficult to comprehend, but it has many practical applications in fields such as physics, engineering, and computer science.

We can see that we have to make use of the standard form to write;  1.03 * 10^28 as the result.

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The smallest sail, A, has a base length of 6 m and a height range of 5 to 8 m. The largest sail, sail C, has a smaller area than double that of sail A.

The table of possible dimensions and areas of the sails is:

Base Height Area

Sail A 6 m 5 m 15 m²

Sail B 6.14 m 7 m 21.5 m²

Sail C 14 m 4 m 28 m²

Let's assume that sail A has a height of 5 meters, then its area would be:

Area of Sail A = 1/2 x Base x Height = 1/2 x 6 x 5 = 15 square meters

If sail C has an area less than twice the area of sail A, then its area must be less than 2 x 15 = 30 square meters. Let's assume that sail C has an area of 28 square meters.

To find the dimensions of sail A and sail C, we can use the formula for the area of a triangle:

Area = 1/2 x Base x Height

For sail A, we already know the base and the area, so we can solve for the height:

15 = 1/2 x 6 x Height

Height = 5 meters

So sail A has a base of 6 meters and a height of 5 meters.

For sail C, we know the area and we have assumed a base length of 14 meters (to keep the height reasonable). Solving for the height:

28 = 1/2 x 14 x Height

Height = 4 meters

So sail C has a base of 14 meters and a height of 4 meters.

To find the dimensions of sail B, we can assume a height between 5 and 8 meters (since sail A has a height between 5 and 8 meters), and then solve for the base and the area using the formula for the area of a triangle:

Area = 1/2 x Base x Height

Let's assume sail B has a height of 7 meters:

Area of Sail B = 1/2 x Base x 7

Area of Sail B = 1/2 x (Area of Sail A + Area of Sail C)

Area of Sail B = 1/2 x (15 + 28)

Area of Sail B = 21.5 square meters

Solving for the base:

21.5 = 1/2 x Base x 7

Base = 6.14 meters (rounded to two decimal places)

So sail B has a base of 6.14 meters and a height of 7 meters.

Therefore, the table of possible dimensions and areas of the sails is:

Base Height Area

Sail A 6 m 5 m 15 m²

Sail B 6.14 m 7 m 21.5 m²

Sail C 14 m 4 m 28 m²

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Step-by-step explanation:

You need to find 85% of 125 points :

85% * 125 =  .85  * 125 = ~ 106 points

answer :

630

explanation

it's a graph question in the form of a word problem

question says if

(10, 390) & (15, 440) then (34, y)?

if x = 34 then what is y

get slope

m = (440 - 390) / (15 - 10) = 10

get graph

y - y1 = m(x - x1)

y - 440 = 10(34 - 15)

y - 440 = 190

y = 630

chatgpt

The final image of quadrilateral ABCD after a dilation centered at D with a scale factor of 2, followed by a reflection in the line x = 1, is attached below, where A', B', C', and D' are the new points after the transformation.

What are Transformation and Reflection?

Single or multiple changes in a geometrical shape or figure are called Geometrical Transformation. A geometrical transformation in which a geometrical figure changes his position to his mirror image about some point or line or axis is called Reflection.

First, we need to apply the dilation centered at point D with a scale factor of 2. To do this, we will multiply the coordinates of each point by 2, with D as the center of dilation.

Point D remains the same since the scale factor does not affect it:

D(5, 1)

To find the new coordinates of points A, B, and C, we will use the following formula:

New Point = Center of Dilation + Scale Factor * (Original Point - Center of Dilation)

For point A:

New A = D + 2 * (A - D)

New A = (5, 1) + 2 * (-3, 3)

New A = (-1, 7)

For point B:

New B = D + 2 * (B - D)

New B = (5, 1) + 2 * (0, 3)

New B = (5, 7)

For point C:

New C = D + 2 * (C - D)

New C = (5, 1) + 2 * (3, -3)

New C = (11, -5)

Now that we have the new coordinates, we can reflect the image in the line x = 1. To do this, we will reflect each point across the line x = 1 by replacing the x-coordinate with its reflection across the line.

The equation of line x = 1 is a vertical line passing through x = 1. Therefore, to reflect a point across this line, we need to find the difference between the x-coordinate of the point and the line (which is 1), and subtract that difference from the line.

For point D:

D(5, 1) reflected in x = 1 is (2, 1)

For point A:

New A(-1, 7) reflected in x = 1 is (-3, 7)

For point B:

New B(5, 7) reflected in x = 1 is (-3, 7)

For point C:

New C(11, -5) reflected in x = 1 is (13, -5)

Hence, The final image of quadrilateral ABCD after a dilation centered at D with a scale factor of 2, followed by a reflection in the line x = 1, is attached below, where A', B', C', and D' are the new points after the transformation.

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Answer:

B. Socialism

Step-by-step explanation:

In contrast to capitalism, socialists believe the shared ownership of resources and central planning offer a more equitable distribution of goods and services.

Karl Marx was the most prominent voice of socialism and believed the working class would rise up against the wealthy when faced with injustices.

Answer: length is 325 and width is 137

Step-by-step explanation:

924=2L+2w

L= 188+w

924=2(188+w)+2w

924=376+2w+2w

924=376+4w

w=137

plug back into equation

L=188+w

^^ w=137

L=188+137

L=325

Answer:

133

Step-by-step explanation:

The answer is A. (x-1)²/16-(y-1)²/4=1. The standard form of the equation that describes the hyperbola is (x-1)²/16-(y-1)²/4=1.

A hyperbola is a two-dimensional, closed-curve shape with two branches, each of which is a mirror image of the other.

This equation is in the standard form of a hyperbola equation, which is

(x-h)²/a² - (y-k)²/b² = 1, where (h,k) is the center of the hyperbola and a and b are the distance from the center to the vertices of the hyperbola.

In this case, the center of the hyperbola is (1,1).

This can be determined by taking the average of the coordinates of the two vertices, (1,-1) and (1,3), which is (1,1).

The distance from the center to the vertices of the hyperbola is 8 for the x-coordinate, and 4 for the y-coordinate.

This can be determined by taking the difference of the coordinates of the vertices, which is 8 for the x-coordinate and 4 for the y-coordinate.

Therefore, the standard form of the equation that describes the hyperbola is (x-1)²/16-(y-1)²/4=1.

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To determine the cost of carpeting the room, we first need to calculate the area of the room that needs to be carpeted.

The area of the room is:

A = l × w

A = 6 m × 4 m

A = 24 square meters

Next, we need to determine the area of the carpet required. Since the carpet has a width of 1.5 m, we can think of the room as being covered by a series of strips of carpet, each of width 1.5 m. We need to calculate the length of each strip and then multiply that by the width of the carpet.

The length of each strip is equal to the length of the room, which is 6 m. So, the area of each strip of carpet is:

A_strip = l × w_carpet

A_strip = 6 m × 1.5 m

A_strip = 9 square meters

To cover the entire room, we will need to use several strips of carpet. The number of strips required is the total area of the room divided by the area of each strip:

Number of strips = A / A_strip

Number of strips = 24 square meters / 9 square meters

Number of strips = 2.6667 strips

Since we cannot use a fractional number of strips, we will need to round up to 3 strips of carpet.

The total area of carpet required is the area of each strip multiplied by the number of strips:

Total area of carpet = A_strip × Number of strips

Total area of carpet = 9 square meters × 3

Total area of carpet = 27 square meters

Finally, we can calculate the cost of carpeting the room at the given rate of rupees 200 per meter:

Cost of carpeting = Total area of carpet × Cost per meter

Cost of carpeting = 27 square meters × Rs. 200 per meter

Cost of carpeting = Rs. 5,400

Therefore, the cost of carpeting the rectangular room of 6 m long and 4 m wide with the carpet of width 1.5 m at rupees 200 per meter would be Rs. 5,400.

The forklift operator can move at most 8 palettes at one time.

A forklift operator is a person who operates a forklift, which is a type of powered industrial truck used to lift and move heavy materials over short distances. Forklift operators are commonly employed in warehouses, manufacturing plants, and other industrial settings where materials need to be moved and stored. They are responsible for loading and unloading trucks, transporting materials to and from storage areas, and positioning materials for storage or processing. Forklift operators must be trained and certified to operate the equipment safely and efficiently.

In the given question,

To move all 43 palettes, the operator needs to make at least 43/8 = 5.375 trips.

Since the operator cannot make a fraction of a trip, he will need to make at least 6 trips in order to move all 43 palettes.

On the first five trips, the operator will move 8 palettes each time, and on the final trip, he will move the remaining 3 palettes.

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Simply enter the equations into the calculator and use the graphing option to visualize these equations.

A mathematical assertion that two expressions are equal is known as an equation. One or more variables, or values that can change within a specific range, are frequently present in equations. The equal sign (=) is frequently used in equations to denote that the expressions on each side of it have the same value. For instance, the formula x + 2 = 5 states that the product of x and 2 equals 5. When we solve for x in this equation, we get x = 3, which is the value of x that causes the equation to hold true.

given

Follow these steps to graph y = 2x - 1 and y = -x + 3:

To plot, pick a set of x-values. For instance, you could select -5 x 5.

For each equation, enter x values to determine the associated y values. You can create a table to aid with work organization:

Draw a coordinate plane and plot the points from your table there. For instance, the first row of the table is represented by the point (-5, -11).

For each equation, draw a straight line to join the points. The slope of the line for y = 2x - 1 will be positive, whereas the slope of the line for y = -x + 3 will be negative.

Use a graphing calculator to double-check your work and make sure your graph matches the one in the image.

Simply enter the equations into the calculator and use the graphing option to visualize these equations.

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Answer:

$1141

Step-by-step explanation:

The general formula for compound interest is:

[tex]A(t)=P(1+r/n)^n^t[/tex], where A is the amount in dollars, P is the principal (i.e., amount invested), r is the interest rate, n is the number of compounding periods, and t is the time in years.

For Brandon's account (and equation), P = $9200, r = 0.0325, n = 4 and t = 19.

Explanations for r and n:

Now, we can simply plug in everything to find the amount Brandon would have in 19 years and round to the nearest dollar (i.e., nearest whole number):

[tex]A_{Brandon}(19)=9200(1+0.0325/4)^(^4^*^1^9^)\\ A_{Brandon}(19)=9200(1.008125)^7^6\\ A_{Brandon(19)}=17016.92431=17017[/tex]

For Lamonte's account (and equation), P = $9200, r = 0.02875, n = 12, and t = 19

Explanations for r and n:

We can again plug in the values into the general equation to find the amount Lamonte would have in 19 years and round to the nearest dollar/whole number:

[tex]A_{Lamonte}(19)=9200(1+0.02875/12)^(^1^2^*^1^9^)\\ A_{Lamonte}(19)=9200(1.002395833)^2^2^8\\A_{Lamonte}(19)=15875.86592=15876[/tex]

Now we can subtract Lamonte's amount (15875) from Brandon's (17017) to find how much more Brandon would have in his account than Lamonte in 19 years:

17017 - 15876 = $1141

**If you didn't do any intermediate rounding and waited until the very last subtraction to round, you'd still get a similar answer

17016.92431 - 15875.86713 = 1141.05718 = $1141

Answer:

Your answer will be y=4 I believe

Please mark me brainliest if that is correct :)

Answer:

(-2,-8)

Step-by-step explanation:

6x + 7y = -68

-2x + 7y = -52

Time the first equation by -1

-6x - 7y = 68

-2x + 7y = -52

-8x = 16

x = -2

Now put -2 in for x and solve for y

6(-2) + 7y = -68

-12 + 7y = -68

7y = -56

y = -8

Let's Check

6(-2) + 7(-8) = -68

-12 - 56 = -68

-68 = -68

So, (-2, -8) is the correct answer.

Answer:C

Step-by-step explanation:

Say no to drugs. It is not good for the body.

According to the information the mistake is in the calculation of the vector y. According to your solution, y = [3, 2, 1, 0], but it should actually be y = [2, 2, 2, 2].

To see why, let's go back to the definition of y. We have:

y = c - Ax

Plugging in the given values, we get:

y = [1, 2, 3, 4] - [[1, 1, 0, 0], [0, 1, 1, 0], [0, 0, 1, 1]] [x1, x2, x3, x4]

Simplifying this matrix multiplication, we get:

y = [1-x1-x2, 2-x2-x3, 3-x3-x4, 4-x4]

Now we need to solve for x1, x2, x3, and x4 such that y = [2, 2, 2, 2]. That means we have the following system of equations:

1 - x1 - x2 = 2

2 - x2 - x3 = 2

3 - x3 - x4 = 2

4 - x4 = 2

Solving this system, we get x1 = -1, x2 = -1, x3 = 0, and x4 = 2. Plugging these values back into the equation for y, we get y = [2, 2, 2, 2], which is the correct solution.

So it looks like the mistake was in the calculation of y, which led to incorrect values for x1, x2, x3, and x4, and ultimately an incorrect value for c.

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Therefore, the surface area of the second figure is 3049.6 square feet, and its volume is 11,483.68 cubic feet.

Volume is a measure of the amount of space that a three-dimensional object occupies. It is the measure of how much space is enclosed within a boundary in three dimensions. In simple terms, volume is the amount of space that an object occupies. It is measured in cubic units such as cubic meters (m³), cubic centimeters (cm³), cubic feet (ft³), or gallons (gal).

Here,

To find the surface area and volume of the second figure, we need to know the dimensions of the figure. Since the second figure is similar to the first one, we know that the ratios of the corresponding sides of the two figures are equal. Let x be the unknown scale factor between the two figures. Then, we have:

x = 19/5 (the ratio of the heights of the two figures)

So, we can find the other dimensions of the second figure by multiplying the corresponding dimensions of the first figure by x.

The dimensions of the first figure are:

Height = 5 ft

Length = 6 ft

Width = 7 ft

Multiplying these dimensions by x, we get:

Height = 19 ft (given)

Length = 6 * (19/5) = 22.8 ft

Width = 7 * (19/5) = 26.6 ft

Now, we can find the surface area and volume of the second figure.

Surface area = 2lw + 2lh + 2wh

= 2(22.8 * 26.6) + 2(22.8 * 19) + 2(26.6 * 19)

= 3049.6 ft²

Volume = lwh

= 22.8 * 19 * 26.6

= 11,483.68 ft³

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Complete question:

A second figure with a height of 19 ft is similar to the figure below. Find the surface area and volume of the second figure.

Answer:

3

Step-by-step explanation:

After applying the row operations, the matrix is obtained as [tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\0 & 0 & -13 & -8\end{array}\right] \\[/tex].

What is a matrix?

A matrix is a rectangular array or table with numbers or other objects arranged in rows and columns. Matrices is the plural version of matrix. The number of columns and rows is unlimited. Matrix operations include addition, scalar multiplication, multiplication, transposition, and many others.

The augmented matrix is given as -

[tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\2 & 3 & -4 & 2 \\-1 & -4 & 4 & 1\end{array}\right][/tex]

The first row operation is -

[tex]R_2=-2r_1+r_2[/tex]

After applying the row operation the matrix will be -

[tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\-1 & -4 & 4 & 1\end{array}\right] \\[/tex]

The second row operation is -

[tex]R_3=1r_1+r_3[/tex]

After applying the row operation the matrix will be -

[tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\0 & -3 & 5 & 4\end{array}\right] \\[/tex]

The third row operation is -

[tex]R_3=3r_2+r_3[/tex]

After applying the row operation the matrix will be -

[tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\0 & 0 & -13 & -8\end{array}\right] \\[/tex]

Therefore, the matrix is obtained as [tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\0 & 0 & -13 & -8\end{array}\right] \\[/tex].

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The equation of the line on which the initial path of the ball lies is y = (-1/2)x + 5/2.

Let's call the point where the ball is initially released from the string "Q".

Since the ball is being twirled at the end of the string, its initial path will be tangent to the circle at point Q, and this tangent line will be perpendicular to the radius that passes through Q.

Since the center of rotation is the origin of the coordinate system, the radius of the circle passes through the origin and point Q. The equation of the radius can be found using the slope-intercept form:

slope of the radius = (y-coordinate of Q - y-coordinate of the origin) / (x-coordinate of Q - x-coordinate of the origin)

= (2 - 0) / (1 - 0) = 2

The radius also passes through the origin, so we can use the point-slope form of the equation:

y - y-coordinate of origin = slope of the radius * (x - x-coordinate of origin)

y - 0 = 2(x - 0)

y = 2x

Since the initial path of the ball is perpendicular to the radius at point P(1,2), its slope will be the negative reciprocal of the slope of the radius. The slope of the radius is 2, so the slope of the initial path is -1/2.

Using the point-slope form of the equation, we can find the equation of the line:

y - y-coordinate of P = slope of the initial path * (x - x-coordinate of P)

y - 2 = (-1/2)(x - 1)

y = (-1/2)x + 5/2

Therefore, the equation of the line on which the initial path of the ball lies is y = (-1/2)x + 5/2.

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The measure of arc LQ (m∠LQ) is equal to 34 degrees.

In Mathematics and Geometry, a chord of circle can be defined as a line segment that typically join any two (2) points of a circle.

Generally speaking, the inscribed angle of a circle is equal to half of the central angle of a circle. Mathematically, this is represented by the following mathematical expression:

m∠U = 1/2(m∠WC - m∠LQ)

37 = 1/2(108 - m∠LQ)

74 = 108 - m∠LQ

m∠LQ = 108 - 74

m∠LQ = 34 degrees.

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