barron's reported that the average number of weeks an individual is unemployed is 18.5 weeks. assume that for the population of all unemployed individuals the population mean length of unemployment is 18.5 weeks and that the population standard deviation is 4 weeks. suppose you would like to select a sample of 40 unemployed individuals for a follow-up study. what is the probability that a simple random sample of 40 unemployed individuals will provide a sample mean within 1 week of the population mean? (round your answer to four decimal places.)

Answer:

100

Step-by-step explanation:

2 x [(7)^2+1]

2x(49+1)

2x(50)

100

The line tangent to f(x) = x + sin(x) is parallel to the secant line connecting the endpoints at x = π on the interval [-2π, 2π].

Let's begin by finding the slope of the secant line connecting the endpoints of the function. The endpoints of the function on the interval [-2π, 2π] are (-2π, -2π + sin(-2π)) and (2π, 2π + sin(2π)), which evaluate to (-2π, 0) and (2π, 0), respectively.

The slope of the secant line is

m = (0 - 0)/(2π - (-2π)) = 0

Since we want the tangent line to be parallel to the secant line, the slope of the tangent line should also be 0. We can find the equation of the tangent line using the point-slope form

y - (x + sin(x)) = 0

y = x + sin(x)

To find the points on the interval where the tangent line is parallel to the secant line, we need to find the values of x where the derivative of f(x) is equal to 0 (i.e., where the slope of the tangent line is 0). The derivative of f(x) is

f'(x) = 1 + cos(x)

Setting this equal to 0 and solving for x, we get

cos(x) = -1

x = π

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The given question is incomplete, the complete question is:

At how many points on the interval [-2pi, 2pi] is the line tangent to f(x)=x+sin x parallel to the secant line connecting the function endpoints?

The graph that represents f(x) =3x-2 is the graph (b)

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

The equation: f(x) = 3x - 2

From the above equation, we have

f(x) = 3x - 2

The above equation is a linear function with the following features

Slope = 3

y-intercept = -2

This means that the graph intersects with the y axis at y = -2

Using the above as a guide, we have the following:

The graph intersects with the y axis at y = -2 and has a slope of 2 is graph (b)

Hence, the graph that represents f(x) =3x-2 is graph (b)

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Answer:

Median = 11

Mean = 19.8

Step-by-step explanation:

Arrange data points from small to large - Median will be the number in the middle

4 7 11 36 41

To get the mean add the numbers together and divide by the number of numbers there are.

The total is 99

5 numbers

99/5

= 19.8

Hope this helps

The x-coordinate when Q has a y-coordinate of -4 is given as follows:

x = 3 or x = -3.

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]

The radius of a circle represents the distance between the center of the circle and a point on the circumference of the circle, while the diameter of the circle is the distance between two points on the circumference of the circle that pass through the center. Hence, the diameter’s length is twice the radius length.

The circle in this problem has the parameters given as follows:

Hence the equation is given as follows:

x² + y² = 25.

When the y-coordinate is of -4, the x-coordinate is given as follows:

x² + (-4)² = 25

x² + 16 = 25

x² = 9

x = -3 or x = 3.

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Thus, for the given range of data of six integers the value of x is found as: x = 16.

The difference here between maximum and smallest values in a data set is known as the range. Employing the exact same units as the data, it measures variability. More variability is shown by larger values.

Take the highest value and deduct the lowest value from it to determine the range in statistics.

A data set's range

Range is equal to the highest and lowest values.

Since the formula subtracts any smaller value from the larger one, it is impossible for it to be negative.

Given data:

six integers:  5,9,7,12,3,x.

Range = 13

The formula for the range ;

Range  = maximum value - minimum value

x - 3 = 13

x = 13 + 3

x = 16

Thus, for the given range of the data of six integers the value of x is found as: x = 16.

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Answer: 24 points

Step-by-step explanation:

4/5 is equal to 0.80. Multiply 30 by 0.80 and you get 24 points.

The total surface area of the wire-screen chicken coop is 10512 square inches.

The space occupied by a two-dimensional flat surface is called the area. It is measured in square units. The area occupied by a three-dimensional object by its outer surface is called the surface area

the total surface area of the right rectangular prism, we use the formula:

2lw + 2lh + 2wh

where l, w, and h are the length, width, and height of the prism, respectively.

We are given the height, width, and length of the wire-screen chicken coop, which are 42 inches, 36 inches, and 48 inches, respectively.

Substituting these values in the formula, we get:

2(36)(48) + 2(36)(42) + 2(48)(42)

Multiplying out, we get:

= 3456 + 3024 + 4032

Adding these terms, we get the total surface area:

= 10512

Therefore, the total surface area of the wire-screen chicken coop is 10512 square inches.

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Step-by-step explanation:

We can use the formula for exponential growth to find the rate at which the sunfish gains mass:

M(t) = M(0) * e^(kt)

where:

M(0) = the initial mass of the sunfish (which we don't know)

k = the growth rate constant (which we also don't know yet)

t = the elapsed time since the sunfish was born (in days)

e = the mathematical constant approximately equal to 2.71828...

We are given the formula for M(t), which is:

M(t) = 4 * (81/49)^t

This means that M(0) = 4 * (81/49)^0 = 4.

To find the growth rate constant k, we can use the fact that the sunfish gains 2/7 of its mass every day. This means that the daily growth rate is 2/7 of the current mass. In other words, the daily growth rate is:

(2/7) * M(t)

We can relate this to the exponential growth formula by taking the derivative of M(t) with respect to t:

dM/dt = k * M(t)

Taking the derivative of M(t), we get:

dM/dt = ln(81/49) * 4 * (81/49)^t

Setting this equal to the daily growth rate, we get:

(2/7) * M(t) = ln(81/49) * 4 * (81/49)^t

Simplifying this expression, we get:

k = ln(81/49) * 4/7

Using a calculator, we can evaluate this expression to get:

k ≈ 0.0919

Therefore, the rate at which the sunfish gains mass is given by:

dM/dt = 0.0919 * M(t)

To find out how much mass the sunfish gains in one day, we can substitute M(t) = 4 * (81/49)^t into this formula and evaluate it at t = 1 (since we want to know the daily rate of change):

dM/dt = 0.0919 * 4 * (81/49)^1

dM/dt ≈ 0.54

This means that the sunfish gains 0.54 milligrams every day. To express this as a fraction of its mass, we can divide by the current mass:

(0.54/4) ≈ 0.1375

So the sunfish gains approximately 2/7 (or 0.2857) of its mass every 2.08 (or 7/2.54) days. Rounded to two decimal places, this is 0.14 or approximately 2/7 of its mass every 2.08 days.

The satellite should be insured for 98 months (rounded up to the nearest month) to be 96% confident that the microchip will last beyond the insurance date.

To answer this question, we need to find the number of months for which we can be 96% confident that the microchip will not malfunction. This means we want to find the value of x such that P(X > x) = 0.04, where X is the random variable representing the life expectancy of the microchip.

We know that X follows a normal distribution with mean μ = 92 months and standard deviation σ = 3.6 months. Therefore, we can standardize X to the standard normal distribution Z ~ N(0, 1) using the formula

Z = (X - μ) / σ

We can then rewrite the probability P(X > x) as

P(X > x) = P(Z > (x - μ) / σ)

1.75 = (x - 92) / 3.6

Solving for x, we get

x = 98 months

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The given question is incomplete, the complete question is:

A relay microchip in a telecommunications satellite has a life expectancy that follows a normal distribution with a mean of 92 months and a standard deviation of 3.6 months. when this computer-relay microchip malfunctions, the entire satellite is useless. a large london insurance company is going to insure the satellite for 50 million dollars. assume that the only part of the satellite in question is the microchip. all other components will work indefinitely. a button hyperlink to the salt program that reads: use salt.for how many months should the satellite be insured to be 96% confident that it will last beyond the insurance date?

Answer:

Set your calculator to degree mode.

[tex] \tan( \alpha ) = \frac{23}{35} [/tex]

[tex] \alpha = {tan}^{ - 1} \frac{23}{35} = 33.31[/tex]

The angle of elevation of the sun is about 33°.

The point that is not on the same line as the others is E(9, 14).

The point that is not on the same line as the others would not have the same slope as the others.

Slope between A ( 3, 4) and B (2, 2):

= (4 - 2) / (3 - 2) = 2 / 1

= 2

Slope between B (2 , 2) and C (5, 8):

= ( 8 - 2 ) / (5 - 2)

= 6 / 3

= 2

Slope between C ( 5, 8) and D(7, 12):

= (12 - 8) / (7 - 5)

= 4 / 2

= 2

Slope between D ( 7, 12) and E ( 9, 14):

= ( 14 - 12) / (9 - 7)

= 2 / 2

= 1

We can therefore see that E ( 9, 14) is the odd one out and is not on the same line.

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Required polynomial is (x+3) where x is amount of average snowfall.

Here given in January, the amount of snowfall was 3 inches above average.

1. The average snowfall for January was a certain amount (let's call this 'A' inches).

2. The actual snowfall for January was 3 inches more than the average.

3. To calculate the actual snowfall for January, we can use the equation: Actual Snowfall = Average Snowfall (A) + 3 inches.

So, if we knew the average snowfall (A), we could easily find the actual snowfall by adding 3 inches to it.

Let amount of average snowfall be x inches.

So, snowfall in January month = (x+3) inches .

Therefore, required polynomial is (x+3) where x is amount of average snowfall.

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Correct answer is " Find a polynomial of the statement For the month of January, the amount of snowfall was 3 inches above average"

The length of the longer leg of this 30-60-90 triangle is 6.93 units.

In a 30-60-90 triangle, the length of the shorter leg is opposite to the 30-degree angle. The longer leg is opposite to the 60-degree angle, and the hypotenuse is opposite to the 90-degree angle.

The ratio of the sides in a 30-60-90 triangle is always the same. The length of the shorter leg is half of the length of the hypotenuse. The longer leg is the square root of three times the length of the shorter leg.

Let's use this information to solve a problem. Suppose you have a 30-60-90 triangle with a shorter leg of length 4 units. We can use the ratio to find the length of the longer leg.

The length of the hypotenuse is twice the length of the shorter leg, which is 2 times 4 units = 8 units.

The longer leg is the square root of three times the length of the shorter leg, which is the square root of three times 4 units = 6.93 units.

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Regularly depositing the same amount into a savings account can lead to a large rise in the account balance over time with the appropriate plan and dedication.

An undefined number or quantity of something is referred to as an amount and can be used in a variety of different settings. Any number, quantity, length of time, or amount of data can be referred to as an amount. Amount in terms of money refers to the total amount being paid or received. The quantity of physical items is the total number of those items. The length or duration of a work or event can be referred to as the amount in terms of time. The entire quantity of data points or pieces of information is referred to as the amount in terms of data.

Here in the question:

Month | Amount Deposited | Account Balance

1           | 150                           | 150

2          | 150                           | 300

3          | 150                           | 450

4          | 150                           | 600

5          | 150                           | 750

As seen in the table above, after five months, a 150 initial deposit into a savings account can grow to a balance of 750 with monthly deposits of the same amount for the next four months. This demonstrates that consistent saving can have a considerable impact on a savings account's overall balance.

Since interest is calculated using the compounding principle, regular deposits can enhance the amount that can be earned over time. This indicates that interest may be accumulated on both the initial deposit and any prior interest in the account. So, by consistently contributing the same amount of money to a savings account, it is feasible to dramatically raise the account's overall balance.

In conclusion, it is clear that consistent contributions to a savings account can be an excellent strategy to build wealth. Regularly depositing the same amount into a savings account can lead to a large rise in the account balance over time with the appropriate plan and dedication.

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The center of mass of the thin plate  of density delta = 6 bounded by the lines y = x and x = 0 and the parabola  is located at (x, y) = (4/15, 1/15).

To find the center of mass of a thin plate,

Calculate the moments and products of inertia with respect to the x and y axes,

And then use them to find the coordinates of the center of mass.

First, determine the limits of integration.

Since the plate is bounded by the lines y=x and x=0 and the parabola y=20-x² in the first quadrant,

Integrate over the following limits.

0 ≤ x ≤ 4, and

x ≤ y ≤ 20 - x²

The mass of the plate can be found by integrating the density delta = 6 over the plate.

m = ∫∫over R δ dA

   = ∫∫over R 6 dA

where R is the region bounded by the given curves.

m =[tex]\int_{0}^{4}[/tex] ∫x²⁰⁻ˣ² 6 dy dx

Simplifying the limits, we get,

m = ∫0⁴ 6x(20-x²) dx

Evaluating this integral gives,

m = 960

Next, find the moments and products of inertia.

The moments of inertia are given by,

Ix = ∫∫over R y² δ dA, and

Iy = ∫∫over R x² δ dA

The product of inertia is given by,

Ixy = ∫∫ over R xy δ dA

Substituting the given density delta = 6 and integrating over the region R, we get,

Ix = [tex]\int_{0}^{4}[/tex] ∫x²⁰⁻ˣ² y² 6 dy dx

  = 64/3

Iy = [tex]\int_{0}^{4}[/tex] ∫x²⁰⁻ˣ² x² 6 dy dx

  = 512/15

Ixy = [tex]\int_{0}^{4}[/tex] ∫x²⁰⁻ˣ²  xy 6 dy dx

    = 64/3

Using these moments and products of inertia,

The coordinates of the center of mass (X, Y) can be found using the following formulas.

X = Iy / m, and

Y= Iy / m

Substituting the values we have calculated, we get,

X = (512/15) / 960

  = 4/15

Y = (64/3) / 960

   = 1/15

Therefore, the center of mass of the thin plate is located at (x, y) = (4/15, 1/15).

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Answer:

D.

Step-by-step explanation:

By looking at them I feel like D. is the best option

Answer:

Step-by-step explanation:

x = [tex]\sqrt{12^{2}+9^{2} }[/tex]

x = 15

Answer:

d

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

c

Answer:

yes it will be the same

Step-by-step explanation:

Let’s call the amount of stock traded “x”. Then we can set up an equation like this:

$19 = 0.02x

To solve for x, we can divide both sides by 0.02:

$950 = x

Therefore, if you trade $950 worth of stock, both Fierro Brothers and Sondo Investment House would charge you the same commission.

The correct answer for the given dataset will be: Burger Quick, because it has a larger median.

A box plot,also known as a box-and-whisker plot, is used for graphical representation of summary statistics from a data set. It helps by providing a visual representation of a data set's central tendency, dispersion, and skewness, making it straightforward to identify important data aspects.

As per given data, Burger Quick typically has more wait time compared to Super Fast Food.

The box plot for Burger Quick displays a higher interquartile range (from 9.5 to 24) than Super Fast Food (from 8.5 to 15.5), indicating that Burger Quick has a broader dispersion in the middle 50% of the data. Also, the median (shown by the line in the box) for Burger Quick is 15.5, but the median for Super Fast Food is 12. This implies that the average wait time at Burger Quick is longer than at Super Fast Food.

The lines outside the box (whiskers) also demonstrate that the range of values for Burger Quick (from 2 to 30) is greater than for Super Fast Food (from 3 to 27), implying that Burger Quick has a longer wait time.

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Answer:

if she worked 2h it would be 2×12 for the hourly charge which would be 24and then the 24+6where 6 is the base charge.

Step-by-step explanation:

The intial few would be 6.as we can see in the equation

f(t)=6+12t

t would be the amount of hours and 12 is the rate per hour.

It would take about 8.59 months for the football player to double his current following, assuming that his follower count continues to increase at a rate of 9% per month.

To find out how long it would take for the football player to double his current online following of 105,326, we need to find the distance from his starting point to the doubling point. In other words, we need to find out how many followers he needs to gain in order to have 2 times his current following.

To do this, we can use the formula for exponential growth:

A = P(1 + r)ⁿ

where A is the final amount, P is the initial amount, r is the rate of growth (in decimal form), and t is the time (in months).

In this case, we want to find t, the time it would take for the football player to double his current following. So we can rewrite the formula as:

2P = P(1 + 0.09)ⁿ

Simplifying this equation, we can divide both sides by P:

2 = (1 + 0.09)ⁿ

Taking the natural logarithm of both sides, we get:

ln(2) = t ln(1 + 0.09)

Solving for t, we divide both sides by ln(1 + 0.09):

t = ln(2) / ln(1 + 0.09)

Using a calculator, we get t ≈ 8.59 months.

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The perimeter of the rectangle is 72 cm.

Perimeter is the total distance around the boundary of a two-dimensional shape. It is the sum of the lengths of all sides or edges of the shape.

The perimeter is usually measured in units such as centimeters (cm), meters (m), feet (ft), or inches (in), depending on the unit of measurement used for the sides or edges.

Let's start by assigning variables to the length and width of the rectangle.

Let x be the width of the rectangle in cm.

Then, the length of the rectangle is double the width, which is 2x cm.

We know that the area of the rectangle is 288 cm², so we can set up an equation:

Area = Length x Width

288 = 2x * x

Simplifying the equation, we get:

288 = 2x²

Dividing both sides by 2, we get:

144 = x²

Taking the square root of both sides, we get:

x = ± 12

Since x cannot be negative (as it represents a length), we take x = 12 cm as the width of the rectangle.

The length of the rectangle is 2x, which is 24 cm.

Now we can find the perimeter of the rectangle, which is given by the formula:

Perimeter = 2(Length + Width)

Substituting the values we found, we get:

Perimeter = 2(24 + 12) = 72 cm

Therefore, the perimeter of the rectangle is 72 cm.

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Answer:  Construct the perpendicular bisector of segment XY

Step-by-step explanation:

Construct the perpendicular bisector of segment XYI am pretty sure this is the answer. I assume you r taking flvs just like me. this is the answer because to construct a circumscribed circle u will need to draw a perpendicular bisector to the sides of the polygon. Which o think is the first step.

Answer:

0.535 is the correct choice.

Answer:

9.9 inches

Step-by-step explanation:

Visualize the scenario for a second. If the ladder is leaning against the wall, we can assume that it is the hypothenuse of the triangle that is forming here. The angle of elevation in this scenario is the angle formed by the ladder and ground.

Next, recall each trig function and determine which best belongs. We have the hypothenuse and we need the side opposite the angle. Therefore, we use sine. (probably using a calculator for trig questions)

Therefore, we can now set up our equation and solve. (x is the height of the wall)

sin 56 = [tex]\frac{x}{12}[/tex]         Initial equation

12 sin 56 = x     Multiply each side by 12 so that we get x by itself.

x ≈ 9.9               Punch 12 sin 56 into a calculator and your done!

Therefore, the answer is about 9.9 inches. (If you got something different, make sure that your calculator is in degrees and not radians! Some calculators abbreviate it as DEG and RAD respectively.)

The surface area of solid B is 9000 cm².

What is ratio?

A ratio is a comparison of two quantities or values, often expressed as a fraction. Ratios can be used to express the relationship between two or more quantities.

Since solids A and B are similar, their corresponding linear dimensions are proportional. Let the scale factor be k, such that the dimensions of solid A are k times larger than the corresponding dimensions of solid B.

The ratio of their volumes is given as 27:1000. Therefore:

(volume of A) / (volume of B) = 27/1000

Let the volume of solid B be V. Then the volume of solid A is (27/1000)V.

Since the surface area of a solid is proportional to the square of its linear dimensions, we have:

[tex]$\frac{surface\ area\ of\ A}{surface\ area\ of\ B} = \frac{k_{A}^{2}}{k_{B}^{2}}$[/tex]

where kA and kB are the linear dimensions of solids A and B respectively.

Since the solids are similar, we can write:

[tex]$k_{A} / k_{B} = \frac{(volume\ of\ A)^{\frac{1}{3}}}{(volume\ of\ B)^{\frac{1}{3}}}$[/tex]

kA / kB = (volume of A)^(1/3) / (volume of B)^(1/3)

Substituting the given volume ratio and solving for kA / kB, we get:

[tex]$k_A/k_B = \left(\frac{27}{1000}\right)^{1/3} = 0.3$[/tex][tex]$k_A/k_B = \left(\frac{27}{1000}\right)^{1/3} = 0.3$[/tex]

Therefore, kA = 0.3 kB.

Now we can substitute the given surface area of solid A and solve for the surface area of solid B:

(surface area of A) / (surface area of B) = (kA)² / (kB)²

810 / (surface area of B) = 0.3²

(surface area of B) = 810 / 0.09

(surface area of B) = 9000 cm²

Therefore, the surface area of solid B is 9000 cm².

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