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The equivalent value of the expression is A = -3 - ( 5.1 x n ) , where n is the number

Given data ,

Let the expression be represented as A

Now , the value of A is

A = -3 decreased by the product of 5.1 and a number

On simplifying , we get

Let the number be represented as n

A = -3 - ( 5.1 x n )

On further simplification , we get

A = -3 - ( 5.1n )

Hence , the equation is A = -3 - ( 5.1n )

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The cube root of both sides to solve for x variable is

x = (k - y^3 - z^3)^(1/3)

You can solve for y or z in terms of the other variables by rearranging the original equation.

Given the equation: x^3 + y^3 + z^3 = k.

To solve this equation for one of the variables (x, y, or z), you would need additional information or constraints. However, I can provide you with a general method to express one variable in terms of the others. Let's solve for x:
Step 1: Subtract y^3 and z^3 from both sides of the equation.
x^3 = k - y^3 - z^3
Step 2: Take the cube root of both sides to solve for x.
x = (k - y^3 - z^3)^(1/3)
Now, x is expressed in terms of y, z, and k. If you have any specific values for y, z, and k, you can substitute them into this equation to find the corresponding value of x. Similarly, you can solve for y or z in terms of the other variables by rearranging the original equation.

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Answer:

C) (-2 , 4)

x = -2

y = 4

Step-by-step explanation:

    We can use substitution method.

     3x + 2y = 2 -------------(I)

    -2x + y  = 8             --------------(II)

Make y as the subject in equation (II)

              y = 8 + 2x ----------------(III)

Substitute y = 8 + 2x in equation (I) and we can find the value of 'x',

          3x + 2*(8 + 2x) = 2

     3x + 2*8 + 2*2x    = 2 {Distributive property}

           3x + 16 + 4x    = 2

           3x + 4x + 16    = 2

Combine like terms,

                      7x + 16 = 2

Subtract 16 from both sides,

                           7x   = 2 - 16

                           7x   = -14

Divide both sides by 7,

                             x  = - 14 ÷ 7

                             [tex]\boxed{\bf x = -2}[/tex]

Substitute x = -2 in equation (III)

           y = 2*(-2) + 8

              = -4 + 8

           [tex]\boxed{\bf y = 4}[/tex]

The first time that Account X will have more money than Account W, excluding the initial deposits, is in the fifth month.

To determine when Account X will contain more money than Account W, we need to compare the balances of the two accounts each month until Account X surpasses Account W.

Let's analyze the balances of the two accounts month by month:

Month 1:

Account W: $0 + $100 = $100

Account X: $1 + 80% × $1 = $1 + $0.80 = $1.80

Month 2:

Account W: $100 + $100 = $200

Account X: $1.80 + 80% × $1.80 = $1.80 + $1.44 = $3.24

Month 3:

Account W: $200 + $100 = $300

Account X: $3.24 + 80% × $3.24 = $3.24 + $2.592 = $5.832

Month 4:

Account W: $300 + $100 = $400

Account X: $5.832 + 80% × $5.832 = $5.832 + $4.6656 = $10.4976

Month 5:

Account W: $400 + $100 = $500

Account X: $10.4976 + 80% × $10.4976 = $10.4976 + $8.39808 = $18.89568

Please note that the values provided in this calculation assume no withdrawals and no interest earned on the balances.

As we can see, by the fifth month, Account X will contain more money than Account W. The first time that Account X will have more money than Account W, excluding the initial deposits, is in the fifth month.

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Answer:

486 square feet

Step-by-step explanation:

To calculate the area of the path, first find the dimensions of the garden, including the path. Then find the area of this larger outer rectangle and subtract the area of the inner rectangle (the garden without the path).

The garden measures 28ft by 47ft.

The path is 3ft wide, so it adds a total of 6ft to the length (3ft on each side) and 6ft to the width.

The dimensions of the garden, including the path:

Length: 47ft + 6ft = 53ft

Width: 28ft + 6ft = 34ft

Find the area of the outer rectangle (including the path):

Area_outer = Length * Width = 53ft * 34ft = 1802 sq ft

Find the area of the inner rectangle (the garden without the path):

Area_inner = 28ft * 47ft = 1316 sq ft

Now subtract the area of the inner rectangle from the area of the outer rectangle to find the area of just the path:

Area_path = Area_outer - Area_inner = 1802 sq ft - 1316 sq ft = 486 sq ft

So, the area of the path is 486 square feet.

Answer: 486 square feet;

Step-by-step explanation:

Area of the garden = 28 x 47 = 1316ft.²

-

Length of the garden and path = Length of the garden + 3 ft. on both sides

Length of the garden and path = 28 + 3 + 3 = 34 ft.

-

Width of the garden and path = Width of the garden + 3 ft. on both sides

Width of the garden and path = 47 + 3 + 3 = 53ft.

-

Area of the garden and path = Length x Width

Area of the garden and path = 34 x 53 = 1802 ft²  

-

Area of the path = Area of the garden and path - Area of the garden

Area of the path = 1802 - 1316 =  486ft²

-

Answer: 486ft²

Based οn bοth the median and mean values, it appears that Bus 47 typically has the faster travel time cοmpared tο Bus 18.

We know that

Statistics is the discipline of mathematics concerned with data collection, analysis, interpretation, presentation, and organisation. It includes approaches for summarising and describing data, as well as inferring and forecasting based on the data.

Tο determine which bus typically has the faster travel time, we need tο cοmpare the measures οf center (mean and median) οf the twο buses.

The median represents the dataset's midway, where half of the values are above and half are below. The mean represents the dataset's average value, which is computed by adding all of the values and dividing by the total number of values.

When the medians are compared, we can see that Bus 47 has a higher median of 16, while Bus 18 has a lower median of 13. This shows that Bus 47 may have a faster average trip time.

However, we must also consider the methods. When the means are compared, we can see that Bus 47 has a higher mean of 16, whereas Bus 18 has a lower mean of 13. This lends credence to the notion that Bus 47 may have a faster average travel time.

Therefοre, based οn bοth the median and mean values, it appears that Bus 47 typically has the faster travel time cοmpared tο Bus 18.

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The complete question is:

Compare the data and use the correct measure of center to determine which bus typically has the faster travel time. Round your answer to the nearest whole number, if necessary, and explain your answer.

Bus 18, with a median of 13

Bus 47, with a median of 16

Bus 18, with a mean of 13

Bus 47, with a mean of 16

Answer:

24 years old.

Step-by-step explanation:

Let's say that Elga's age is x years old. Then Alvin's age would be 11 years older than Elga, or x + 11 years old.

We know that the sum of their ages is 59 years old, so we can write an equation:

x + (x + 11) = 59

Simplifying the left side of the equation:

2x + 11 = 59

Subtracting 11 from both sides:

2x = 48

Dividing both sides by 2:

x = 24

Therefore, Elga's age is 24 years old.

Answer: 24

Step-by-step explanation:

Set Elga's age to x and Alvin's age to x+11...

(x+11)+x=59

2x=48

x=24

The circumference of a circle with a radius of 21 centimeters is 132 centimeters.

The circumference is the distance around the boundary of a closed curve or shape. In the case of a circle, the circumference is the total length of the circular boundary.

To find the circumference of a circle with a radius of 21 centimeters, we can use the formula C = 2πR, where R is the radius and π is the mathematical constant approximately equal to 22/7.

Substituting the given values:

C = 2 x (22/7) x 21

C = (44/7) x 21

C = 924/7

C ≈ 132 centimeters

Therefore, the circumference of a circle with a radius of 21 centimeters is 132 centimeters.

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The height of the beaker is 6.35 cm.

To find the height of the beaker, we can use the formula for the volume of a cylinder, which is given by:

Volume = π ×[tex]radius^2[/tex] × height

In this case, we have the volume of the beaker as 1,004.8 cubic centimeters and the radius as 4 cm.

1,004.8 = π × [tex]4^2[/tex] × height

Simplifying the equation:

1,004.8 = 16π × height

To solve for the height, divide both sides of the equation by 16π:

height = 1,004.8 / (16π)

Using a calculator for the approximation of π (pi) as 3.14159, we can calculate the height:

height ≈ 1,004.8 / (16 × 3.14159)

height ≈ 6.35 cm

The height of the beaker is approximately 6.35 cm.

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The ratio of literature books to children books is: a) 4 literature books: 1 children book.

Ratio is simply the numerical quantity that relates two amounts of quantities, showing how much one contains of the other.

The ratio of literature books to children books can be found by dividing the number of literature books by the number of children books:

Ratio of literature books to children books = Number of literature books / Number of children books

Plugging in the given values, we get:

Ratio of literature books to children books = 400 / 100 = 4

So the ratio of literature books to children books is 4:1. Therefore, the answer is option a) 4 literature books: 1 children book.

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It is true that the integers (-4, -2,0, 2, 4) form the set of even integers.

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

Set = (-4, -2,0, 2, 4)

In the above set, we can see that all numbers in the set do not have decimal point

This means that the set of numbers are integers

Also, we can see that the integers are integers that are divisible by 2

This means that the set of integers are set of even integers

Hence, the statement is true

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Complete question

As a integers are integers divisible by 2. The integers (-4, -2,0, 2, 4) form the set of even integers.

True or false

Based on the information, the line segments PR and QR and PQ to form an equilateral triangle.

The three blue line segments are PQ, PR, and QR. In order to construct an equilateral triangle with PQ as one side using a compass and straightedge:

1.  Draw a line segment PQ.

2. Place the compass at point P and draw a circle with radius PQ.

3. Without changing the radius of the compass, place the compass at point Q and draw another circle.

4. The intersection of the two circles is point R.

Draw line segments PR and QR to form an equilateral triangle.

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Answer:

Based on the information, the line segments PR and QR and PQ to form an equilateral triangle.

How to explain the triangle

The three blue line segments are PQ, PR, and QR. In order to construct an equilateral triangle with PQ as one side using a compass and straightedge:

1.  Draw a line segment PQ.

2. Place the compass at point P and draw a circle with radius PQ.

3. Without changing the radius of the compass, place the compass at point Q and draw another circle.

4. The intersection of the two circles is point R.

Draw line segments PR and QR to form an equilateral triangle.

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Answer:

Therefore, the amount that results from the given investment is approximately $579.64.

Step-by-step explanation:

We can use the formula for compound interest to find the amount that results from the given investment:

A = P(1 + r/n)^(nt)

where:

A = the amount

P = the principal (initial investment)

r = the annual interest rate (as a decimal)

n = the number of times the interest is compounded per year

t = the time (in years)

In this case, P = $500, r = 0.04, n = 4 (since the interest is compounded quarterly), and t = 3.5 years.

Plugging in the values, we get:

A = 500(1 + 0.04/4)^(4*3.5)

A = 500(1.01)^14

A = 500(1.159274...)

A ≈ $579.64

Therefore, the amount that results from the given investment is approximately $579.64.

The profit did you make from your investment is $20

To determine how much profit you made from your investment, we need to find the value of P that makes your friend's profit equal to the initial investment of $20.

In other words, we need to solve the equation:

0.4P - 20 = 20

Adding 20 to both sides, we get:

0.4P = 40

Dividing both sides by 0.4, we get:

P = 100

if the football is sold for $100, your friend's profit will be $100 - $50 = $50, and your profit will be 40% of $50, or $20.

This means that you have made back your initial investment of $20, and have earned an additional profit of $20.

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Answer: 11/32

Step-by-step explanation:

The formula for finding this is:

(yellow and yellow) or (pink and pink) or (blue and blue)

First find the probability that both spins will be yellow:

2/8 * 2/8 = 1/16

There are 2 yellow spots out of the 8 total spots.

Because you need to spin yellow and yellow, you multiply the two fractions.

This logic applies to pink and blue.

Next pink:

3/8 * 3/8 = 9/64

Blue:

3/8 * 3/8 = 9/64

Find the probability that you will spin yellow or pink or blue:

1/16 + 9/64 + 9/64 = 11/32

Whenever finding the probability of something or something else, add them.

Hello

4x² - 28x = -33

4x² - 28x + 33 = 0

(4x² - 6x) + (-22x + 33) = 0

2x(2x - 3) - 11(2x - 3) = 0

(2x - 11)(2x - 3) = 0

2x - 11 = 0               2x - 3 = 0

2x = 11                     2x = 3

x = 11/2                    x = 3/2

The value of sin (2π/3) is √3/2.

The value of sin (5π/4) is -√2/2.

The value of sin (180) is 0.

The value of cos (π/4) is √2/2.

The value of cos (300) is ¹/₂.

The value of cos (7π/6) is -√3/2.

The value of sin (2π/3) is calculated as follows;

sin (2π/3) = sin (2 x 180 / 3) = sin (120)

sin (120) = sin (60) = √3/2

The value of sin (5π/4) is calculated as follows;

sin (5π/4) = sin (5 x 180 / 4) = sin (225)

sin (225) = - sin (45) = -√2/2

The value of sin (180) is calculated as follows;

sin (180) = sin (0) = 0

The value of cos (π/4) is calculated as follows;

cos (π/4) = cos (180/4) = cos (45)

cos (45) = √2/2

The value of cos (300) is calculated as follows;

cos (300) = cos (60)

cos (60) = ¹/₂

The value of cos (7π/6) is calculated as follows;

cos (7π/6) = cos (7 x 180 / 6) = cos (210)

cos (210) = - cos(30) = -√3/2

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y=√(21+4x²)/3 and y=-√(21+4x²)/3 are the two functions defined by implicity by the equation

The given equation is an equation of an ellipse centered at the origin with a major axis of length 2√7 and a minor axis of length 2√3.

To find two functions defined implicitly by this equation, we can solve for y in terms of x using algebra.

First, we can isolate y²/3 by subtracting x²/7 from both sides:

y²/3 = 1 - x²/7

Multiply by 3 on both sides to eliminate the fraction:

y² = 3 - 3x²/7

y = ±√(3 - 3x²/7)

These are the two functions defined implicitly by the given equation.

The positive square root gives the upper half of the ellipse, while the negative square root gives the lower half.

Hence, y=√(21+4x²)/3 and y=-√(21+4x²)/3 are the two functions defined by implicity by the equation

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The amounts of koalas are given as follows:

a. Initially: 47.

b. 13 weeks: 21.

c. 23 weeks: 19.

d. The virus will not kill all the koalas, as when t -> ∞, N(t) -> ∞.

To calculate the numeric value of a function or of an expression, we substitute each instance of any variable or unknown on the function by the value at which we want to find the numeric value of the function or of the expression presented in the context of a problem.

The function for this problem is defined as follows:

N(t) = 15 + 96/(t + 3).

For the initial number of koalas, we have that t = 0, hence:

N(0) = 15 + 96/3 = 47.

After 13 weeks, the number is given as follows:

N(13) = 15 + 96/16 = 21.

After 23 weeks, the number is given as follows:

N(23) = 15 + 96/26 = 19.

As t -> ∞, we have that:

N(∞) = 15 + 96/∞ = 15 + 0 = 15.

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The all four data sets can be represented on a dot plot, as dot plots are both decimal and Integer values.

A dot plot is a graphical representation that displays data points as dots along a number line. It is commonly used to show the distribution of a small set of quantitative data.

The data set should be shown on a dot plot, we need to consider the characteristics of the data.

1. Data Set 1: {0.012, 0.078, 0.093, 0.147, 0.187}

This data set consists of decimal values. A dot plot can effectively represent decimal values, where each dot represents a data point. Therefore, Data Set 1 should be shown on a dot plot.

2. Data Set 2: {1.3, 1.9, 2.5, 2.7, 3.5, 4.8, 5.3, 7.9, 9.0}

Similar to Data Set 1, this data set consists of decimal values. Hence, it can also be effectively represented on a dot plot. Each value would be represented as a dot along the number line.

3. Data Set 3: {712, 722, 722, 723, 724, 724, 724, 725, 727, 728, 730}

This data set consists of integer values. Dot plots are commonly used for discrete data, including integers. Therefore, Data Set 3 can be appropriately represented on a dot plot.

4. Data Set 4: {16, 29, 31, 37, 44, 49, 58, 63, 69, 70, 83, 97}

This data set also consists of integer values dot plots can effectively display discrete data. Hence, Data Set 4 can be shown on a dot plot.

all four data sets can be appropriately represented on a dot plot, as dot plots are suitable for displaying both decimal and integer values.

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Answer: n= -10

Step-by-step explanation:

n + 19 = 9, so you want to get the variable by itself so you will get rid of the 19, cancelling it by subtracting. So n=9-19 leaving you with -10.

The polar coordinates of (1, -9) are (9.06, -1.47 radians).

To convert from rectangular coordinates to polar coordinates, we can use the following formulas:

r = √(x² + y²)

θ = tan⁻¹(y/x)

where r is the distance from the origin to the point, and θ is the angle between the positive x-axis and the line connecting the origin to the point.

In this case, x = 1 and y = -9. Plugging these values into the formulas, we get:

r = √(1² + (-9)²) = √82 ≈ 9.06

θ = tan⁻¹((-9)/1) ≈ -1.47 radians

Therefore, the polar coordinates of (1, -9) are (9.06, -1.47 radians). The distance from the origin to the point is approximately 9.06 units, and the angle between the positive x-axis and the line connecting the origin to the point is approximately -1.47 radians (or approximately -84.26 degrees).

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Answer:

step 1: add all you number

Step-by-step explanation:

step 2:divide your answer by the 7.,you have gotten your answer

Answer:

x = 65 degrees

Step-by-step explanation:

The sum of all 4 interior (inside) angles in a quadrilateral = 360.

So 82+118+95+x = 360.

295+x = 360

x = 360-295

x = 65

Check that all the angles add up to 360:

82+118+95+65 = 360

Answer:f(27)=-6

Step-by-step explanation:

Symmetry means,  hmmm usually a mirror image.

So when something is symmetry to another, is a way to say, one is the mirror image of the other, or namely they're just identical twins.

Now, if know that B is the midpoint, by definition is cutting AC into two equal halves, so AB is the mirror image of BC, so they're identical twins, there are no flaws, Q.E.D.

Check the picture below.

Answer:

The length of each side of the square is approximately 4.24 cm.

Explanation:

We can use the Pythagorean theorem to find the length of each side of the square. Let "s" be the length of each side of the square. The diagonal of the square, which is 6 cm, is the hypotenuse of a right triangle whose legs are two sides of the square. So we have:

[tex]s^2 + s^2 = 6^2[/tex]

Simplifying this equation, we get:

[tex]2s^2 = 36[/tex]

Dividing both sides by 2, we get:

[tex]s^2 = 18[/tex]

Taking the square root of both sides, we get:

s ≈ 4.24

Therefore, the length of each side of the square is approximately 4.24 cm.