Display numerical data in plots on a number line, including dot plots, histograms, and box plots.

There are 225 possible outcomes in the sample space if the spinner is spun twice

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

Spinner

The number of sections in the spinner is

n = 15

If the spinner shown is spun twice, then we have

Outcomes = n²

Substitute the known values in the above equation, so, we have the following representation

Outcomes = 15²

Evaluate

Outcomes = 225

Hence, the possible outcomes are in the sample space are 225

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Answer:

c = 12

Step-by-step explanation:

[tex] {5}^{2} + {c}^{2} = {13}^{2} [/tex]

[tex]25 + {c}^{2} = 169[/tex]

[tex] {c}^{2} = 144[/tex]

[tex]c = 12[/tex]

The fair return for Castle Black Camping (CBC) is 20%.

This is calculated by subtracting the risk-free rate (2%) from the market's expected return (11%), and then multiplying the result by 2 (since CBC is twice as risky as the average stock).

To form a portfolio that is half Harlan County Safety Co. (HCSC) and half CBC, we need to calculate the portfolio's beta. This is done by multiplying each stock's beta by its weight in the portfolio, and then adding the results. In this case, the portfolio's beta would be 0.6 (1.2 x 0.5 + 2 x 0.5).

The fair return for the portfolio is then calculated by adding the risk-free rate to the product of the portfolio's beta and the market's expected return. This gives us a fair return of 16.4% for the HCSC and CBC portfolio.

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An inequality to represent this situation is 22.15d + 0.07(275) ≤ 130. Aubrey can afford to rent the car for up to 5 days while staying within her budget.

Let's denote the number of days Aubrey can rent the car as "d". We know that the rental car company charges $22.15 per day and $0.07 per mile. Aubrey has a budget of $130 and plans to drive 275 miles. We can create an inequality to represent this situation:

22.15d + 0.07(275) ≤ 130

Now, let's solve the inequality:

22.15d + 19.25 ≤ 130

Subtract 19.25 from both sides:

22.15d ≤ 110.75

Now, divide by 22.15 to find the maximum number of days Aubrey can rent the car:

d ≤ 110.75 / 22.15

d ≤ 5

So, Aubrey can afford to rent the car for up to 5 days while staying within her budget.

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To use Newton's method to find the third approximation, X2, of the positive fourth root of 3, we follow these steps:

1. Define the function f(x) and its derivative, f'(x): f(x) = x^4 - 3 f'(x) = 4x^3

2. Start with an initial guess, X0 = 1.

3. Apply Newton's method formula to find the next approximations:

Xn+1 = Xn - f(Xn) / f'(Xn)

4. Calculate the first approximation, X1: X1 = X0 - f(X0) / f'(X0) X1 = 1 - (1^4 - 3) / (4 * 1^3) X1 = 1 - (-2) / 4 X1 = 1 + 0.5 X1 = 1.5

5. Calculate the second approximation, X2: X2 = X1 - f(X1) / f'(X1) X2 = 1.5 - (1.5^4 - 3) / (4 * 1.5^3) X2 = 1.5 - (5.0625 - 3) / 13.5 X2 = 1.5 - 2.0625 / 13.5 X2 = 1.5 - 0.15296 X2 ≈ 1.3470

So, the third approximation of the positive fourth root of 3, determined by calculating the third approximation of the right 0 of f(x) = x^4 - 3, starting with X0 = 1, is approximately 1.3470 (rounded to four decimal places).

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Answer:

Step-by-step explanation:

cos²x =3sin²x                     subtract both sides by 3sin²x

cos²x - 3sin²x = 0               use identity  cos²x+sin²x=1  => cos²x = 1-sin²x

                                           substitute in

(1-sin²x)-3sin²x = 0             combine like terms

1-4sin²x=0                           factor using difference of squares rule

(1-2sin x)(1+2sin x)=0          set each equal to 0

(1-2sin x)=0                                        (1+2sin x)=0

-2sinx = -1                                               2sinx= -1

sinx=1/2                                                    sinx =-1/2

Think of the unit circle.  When is sin x = ±1/2

at [tex]\pi /6, 5\pi /6, 7\pi /6, 11\pi /6[/tex]

This is from 0<x<2[tex]\pi[/tex]

The missing values of the table representing the number of miles driven is proportional to the number of gallons consumed are,

Gallons consumed :    2         4             7          8           10          12

Miles driven            :    54        108        189      216        270       324

Let us consider 'x' represents the number of miles driven .

And 'y' represents the number of gallons consumed .

Number of miles driven is proportional to the number of gallons consumed.

⇒ ( x₁ / x₂ ) = ( y₁ / y₂ )

⇒ ( 2/ 4) = ( 54 / y₂ )

⇒y₂  = ( 54 × 4 ) / 2

⇒y₂  = 108.

⇒ ( x₁ / x₃ ) = ( y₁ / y₃ )

⇒ ( 2/ x₃) = ( 54 / 189)

⇒x₃  = ( 189 × 2 ) / 54

⇒x₃= 7

⇒ ( x₁ / x₅ ) = ( y₁ / y₅ )

⇒ ( 2/ 10) = ( 54 / y₅ )

⇒y₅  = ( 54 × 10 ) / 2

⇒y₅  = 270.

⇒ ( x₁ / x₆ ) = ( y₁ / y₆ )

⇒ ( 2/ 12) = ( 54 / y₆ )

⇒y₆ = ( 54 × 12 ) / 2

⇒y₆  = 324

Therefore, using the proportional relation between miles driven and gallons consumed the value of the table are,

Gallons consumed :    2         4             7          8           10          12

Miles driven            :    54        108        189      216        270       324

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The above question is incomplete, the complete question is:

Randy is planning to drive from New Jersey to Florida. Every time Randy stops for gas, he records the distance he traveled in miles and the total number of gallons used. Assume that the number of miles driven is proportional to the number of gallons consumed in order to complete the table.

Gallons consumed :    2         4                    8           10       12

Miles driven            :    54                189       216        

Answer:

16 seconds

Step-by-step explanation:

Answer:

this says that why is bigger than one but why is smaller than four. meaning the coordinate why could only be between one and four. and it says that x is smaller than y

so the only coordinates with whole numbers that would satisfy the inequalities would be (3,2) (2,1)

The sample mean difference in heights for these 24 pairs of siblings is 1.79 inches. So the third option is correct.

The 95% confidence interval for the mean difference in heights for all brother-and-sister pairs in the population was (–0.76, 4.34).

This means that if we were to repeat this sampling process many times, we would expect 95% of the resulting confidence intervals to contain the true mean difference in heights for all brother-and-sister pairs in the population.

To find the sample mean difference from these 24 pairs of siblings, we take the midpoint of the confidence interval. The midpoint is the average of the lower and upper bounds, which is:

(-0.76 + 4.34) / 2 = 1.79

Therefore, the sample mean difference in heights for these 24 pairs of siblings is 1.79 inches.

So the correct answer is third option.

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a). The scale factor of shape A to B is 4/5

b) The value of t is 5.6cm

The scale factor is a measure for similar figures, who look the same but have different scales or measures.

Scale factor = dimension of new length/ dimension of old length

= 4/5 = 12/15

therefore the scale factor of from shape A to shape B is 4/5.

b) 4/5 = t/7

5t = 28

divide both sides by 5

t = 28/5

t = 5.6 cm

therefore the value of t is 5.6cm

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The dimensions of the given rectangle is 2 1/2 meters (width) and 3 1/3 meters (length).

First, let's define the variables for the rectangle: let the width be w meters, and the length be (4/3)w meters since the length is 4/3 times the width. The area of a rectangle is calculated by multiplying its length and width. In this case, the given area is 8 1/3 square meters.

Now, we can write an equation using the area and dimensions:

Area = Length × Width
8 1/3 = (4/3)w × w

First, convert the mixed number 8 1/3 to an improper fraction, which is 25/3. Then, we can solve for w:

25/3 = (4/3)w²

To find w², multiply both sides by 3/4:

w² = (25/3) × (3/4)
w² = 25/4

Now, take the square root of both sides:

w = √(25/4)
w = 5/2

So, the width is 5/2 meters, or 2 1/2 meters. To find the length, multiply the width by 4/3:

Length = (4/3)(5/2) = 20/6 = 10/3

The length is 10/3 meters, or 3 1/3 meters. Therefore, the dimensions of the rectangle are 2 1/2 meters (width) and 3 1/3 meters (length).

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Answer: 2√5, -2√5

Step-by-step explanation:

R = 1/8 and the interval of convergence is (-1/8, 1/8).

We can use the ratio test to determine the radius of convergence:

lim_n→∞ |(ε_n+1 - 3)(8x - 3)^n+1 / (ε_n - 3)(8x - 3)^n)|

= lim_n→∞ |(ε_n+1 - 3)/(ε_n - 3)| |8x - 3|

Since the limit of the ratios of consecutive terms is independent of x, we can evaluate it at any particular value of x, such as x = 0:

lim_n→∞ |(ε_n+1 - 3)/(ε_n - 3)| = 1/8

Therefore, the series converges absolutely for |8x - 3| < 1/8, and diverges for |8x - 3| > 1/8. We also need to check the endpoints of the interval:

When 8x - 3 = 1/8, the series becomes Σε_n, which diverges since ε_n is not a null sequence.

When 8x - 3 = -1/8, the series becomes Σ(-1)^nε_n, which converges by the alternating series test, since ε_n is decreasing and approaches zero.

Thus, the interval of convergence is (-1/8, 1/8).

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Area of a circle = pi x r^2

---For the purposes of this problem, pi = 3.14

2122.64 = (3.14)(r^2)

676 = r^2

r = 26 cm

Diameter = 2 x radius

diameter = 2 x 26

diameter = 54 cm

Answer: diameter = 54 cm

Hope this helps!

(a) We will use the "t" as test-statistics and the value of "t" is t = -0.87.

(b) We will use "z" as the test-statistics and the value of "z" is z = -0.77.

In statistics, a test statistic is a numerical summary of a sample that is used to make an inference about a population parameter. It is calculated from the sample data and is used to test a hypothesis or to make a decision about some characteristic of the population.

Part (a) : In this case, we do not know the "standard-deviation",

the case in which standard-deviation is un-known, "t" is used as a "test-statistics.

The Standard-error-of-mean (SE) is = s/√n = 0.5/√19 = 0.1148.

So, "t" = (mean - 2.5)/SE,

Substituting the values,

We get,

t = (2.4 - 2.5)/0.1148 = -0.87.

Part (b) : In this case, we know the "standard-deviation",

The case in which standard-deviation is known, "z" is used as a "test-statistics.

The Standard-error-of-mean (SE) is = s/√n = 0.45/√12 = 0.1299.

So, "z" = (mean - 2.5)/SE,

Substituting the values,

We get,

z = (2.4 - 2.5)/0.1299 = -0.77.

Therefore, the value of "z" is -0.77.

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The given question is incomplete, the complete question is

We want to conduct a hypothesis test of the claim that the population mean time it takes drivers to react following the application of brakes by the driver in front of them is more than 2.5 seconds. So, we choose a random sample of reaction time measurements. The sample has a mean of 2.4 seconds and a standard deviation of 0.5 seconds.

For each of the following sampling scenarios, choose an appropriate test statistic for our hypothesis test on the population mean. Then calculate that statistic. Round your answers to two decimal places.

(a) The sample has size 19, and it is from a non-normally distributed population with an unknown standard deviation.

Which test-statistic will you use z, t or It is unclear which test statistic to use.

(b) The sample has size 12,and it is from a normally distributed population with an known standard deviation of 0.45.

Which test-statistic will you use z, t or It is unclear which test statistic to use.

The probability that a CD player will break down during the guarantee period is about 0.1985 or 19.85%.

To find the probability that a Sunshine CD player will break down during the 3-year guarantee period, we'll use the properties of the normal distribution.

Given a mean life of 4.1 years and a standard deviation of 1.3 years, we can calculate the z-score corresponding to the 3-year guarantee period:

z = (x - μ) / σ = (3 - 4.1) / 1.3 ≈ -0.846

Now, we'll look up the probability associated with this z-score in a standard normal distribution table, or use a calculator or software to find the cumulative probability. The probability corresponding to a z-score of -0.846 is approximately 0.1985.

Therefore, the probability that a CD player will break down during the guarantee period is about 0.1985 or 19.85%.

For the sketch, draw a bell-shaped curve to represent the normal distribution. Mark the x-axis with the mean (4.1 years) in the center, and scale it with the standard deviation (1.3 years).

Place a vertical line at 3 years to represent the end of the guarantee period, and shade the area to the left of this line to represent the probability of breaking down during that period.

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The probability that is true is P(D or E) = 0.72.

Option D is the correct answer.

We have,

We can start by using the formula:

P(D and E) = P(D) x P(E)

Since D and E are independent events, their probabilities multiply to give the probability of both events happening together.

Plugging in the given values.

0.18 = 0.6 x P(E)

Solving for P(E).

P(E) = 0.18 / 0.6 = 0.3

So option (A) is not correct.

To find P(D or E), we can use the formula:

P(D or E) = P(D) + P(E) - P(D and E)

Plugging in the given values.

P(D or E) = 0.6 + 0.3 - 0.18 = 0.72

Thus,

P(D or E) = 0.72 is true.

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The probability we want to get is:

p(odd or multiple of 5) = 7/12

The probability is equal to the quotient between the number of outcomes for the given event and the total number of outcomes.

The numbers that are odd or multiples of 5 in the set of outcomes are:

{1, 3, 5, 7, 9, 10, 11}

So 7 outcomes out of 12, then the probability is:

P = 7/12

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Using the compound interest formula, the amount in Russ' account after 4 years is $ 12588.15

To find how much will be in Russ' account after 4 years, we use the compound interest formula.

A = P(1 + r)ⁿ where

Given that

So, substituting the values of the variables into the equation, we have that

A = P(1 + r)ⁿ

A = $8000(1 + 0.12)⁴

A = $8000(1.12)⁴

A= $8000(1.5735)

A= $ 12588.15

So, the amount is $ 12588.15

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The value of m is 11, and the divisibility test states that n is divisible by 11 if and only if the alternating sum of its two-digit chunks is divisible by 11.

Let's consider the given divisibility test proposed by Lizzie. The process involves breaking a positive integer, n, into two-digit chunks and finding the alternating sum of these chunks. The alternating sum is obtained by adding the first number, subtracting the second, adding the third, and so on.

To find the value of m that makes this a divisibility test, we need to analyze the properties of this test. Let's assume that n is divisible by m.

When n is divisible by m, each two-digit chunk in n will also be divisible by m. This means that the alternating sum of these chunks will also be by m since adding or subtracting multiples of m will not change its divisibility.

Conversely, if the alternating sum of the two-digit chunks is divisible by m, it implies that each chunk is divisible by m. Therefore, if the chunks are divisible by m, the original number n will also be divisible by m.

Hence, this process indeed serves as a divisibility test for m, where n is divisible by m if and only if the result of the alternating sum of the two-digit chunks is divisible by m.

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Step-by-step explanation:

If we let A be the event that Trevor studies for at least 50 minutes, and let B be the event that he passes his Algebra test, then we know:

P(A and B) = 0.88

P(A) = 0.92

We want to find the probability that Trevor passes his Algebra test given that he studied for at least 50 minutes, or in other words, we want to find P(B|A).

We can use Bayes' theorem to find this probability:

P(B|A) = P(A and B) / P(A)

Substituting in our values, we get:

P(B|A) = 0.88 / 0.92

Simplifying this fraction, we get:

P(B|A) = 0.9565

Therefore, the probability that Trevor passes his Algebra test given that he studied for at least 50 minutes is approximately 0.9565.

Account amount after 7 years will be approximately:
(a) $31,950.42 when compounded annually
(b) $32,166.25 when compounded semiannually

We'll be using the compound interest formula to find the amount in each account for both (a) annual compounding and (b) semiannual compounding.

The compound interest formula is: A = P(1 + r/ⁿ)ⁿᵃ

Where:
A = the future amount in the account
P = the principal (initial investment)
r = Annual interest rate
n = Interest is compounded per year in numbers
a = the number of years

(a) Annual Compounding:
In this case n = 1.

P = $24,000
r = 4% = 0.04
n = 1
t = 7

A = 24000(1 + 0.04/1)¹ˣ⁷
A = 24000(1 + 0.04)⁷
A = 24000(1.04)⁷
A ≈ $31,950.42

(b) Semiannual Compounding:
For semiannual compounding, the interest is compounded twice a year, so n = 2.

P = $24,000
r = 4% = 0.04
n = 2
t = 7

A = 24000(1 + 0.04/2)²ˣ⁷
A = 24000(1 + 0.02)¹⁴
A ≈ $32,166.25

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The number of different committees that are possible is: 126

When you have a number of elements and then want to form subsets of elements of particular smaller size, you can utilize combinations or permutations. If the order of placement of the elements does not matter, we use combinations to quantify the number of groups formed.

Now, the order of the members in the committee does not matter and as such we will use combinations which has the formula:

nCr = n!/(r!(n - r)!)

We are given:

n = 9

r = 5

Thus:

9C5 = 9!/(5!(9 - 5)!)

= 126 different committees

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The values of the inverse trigonometric functions are 72°, 76° and 85°.

The range of the inverse trigonometric function is limited to a certain interval based on the domain of the original trigonometric function.

Its also important to identify the trigonometric ratio that corresponds to the given value.

The value on degree for inverse of sin (2/3) will be 41.81° which is 42°. Also, inverse of tan(4) is 76° using the calculator.

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Use a calculator to find the values of the inverse trigonometric functions. Round to the nearest degree.

inverse of sin (2/3)

inverse of tan(4)

inverse of tan (0.1)

The explanation of the continuous range is added below

Continuous ranges are expressed in inequality notation because they represent a set of infinitely many numbers between two endpoints.

Inequality notation allows us to describe this range using mathematical symbols to show that the values can be any number between the two endpoints, including the endpoints themselves.

For example, a continuous range might be described as "all real numbers between 0 and 1, including 0 and 1".

This can be expressed in inequality notation as 0 ≤ x ≤ 1, where x is a real number.

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Uranus rotates on its axis at an angular speed of 0.355 radians per day, and a point on its equator travels at a linear speed of approximately 9,522 miles per day.

Uranus is one of the gas giants in our solar system, and it has a unique orientation compared to the other planets. Its axis of rotation is tilted at an angle of 97.77 degrees relative to its orbit around the Sun, which means that it essentially spins on its side. This also means that its equator is located in a plane perpendicular to its orbit, unlike Earth's equator, which is in the plane of its orbit.

Given that Uranus rotates on its axis once every 17.2 hours and its equator lies on a circle with a radius of 15,881 miles, we can calculate the angular and linear speed of a point on its equator.

Angular speed is a measure of the rate of change of an angle with respect to time. In this case, we want to know the angular speed of a point on Uranus' equator in radians per day. To find this, we can start by calculating the angle that a point on the equator travels in one day, which is equal to the angular speed times the time, or 2π radians (a full circle).

So, the angular speed of a point on Uranus' equator is:

(2π radians)/(24 hours) = 0.2618 radians per hour

To convert this to radians per day, we multiply by the number of hours in a day:

0.2618 radians/hour × 24 hours/day = 0.355 radians per day

Therefore, a point on Uranus' equator travels at an angular speed of 0.355 radians per day.

Linear speed is a measure of the rate of change of position with respect to time. In this case, we want to know the linear speed of a point on Uranus' equator in miles per day. To find this, we can use the formula:

Linear speed = angular speed × radius

Where the radius is the distance from the center of Uranus to a point on its equator, which we are given as 15,881 miles.

So, the linear speed of a point on Uranus' equator is:

0.355 radians/day × 15,881 miles = 9,521.9 miles per day

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Step-by-step explanation:

Each circle has area   pi r^2   =   (pi)( 1.9)^2  in        ( 1.9 is the RADIUS)

  there are two of them so total circle area =  2 pi (1.9)^2    in^2

Then there is the rectangle

  one  of its dimensions is the CIRCUMFERENCE of the circles

      = pi * d  = pi * 3.8   in  

            and the other dimension is 3

               area of rectangle = pi * 3.8 * 3   in^2

Add all of the areas for the total area       2 pi (1.9)^2 + pi * 3.8*3   in^2 =

                                       = 18.62 pi   in^2