What is the Quartile 1 for the Box & Whisker Plot below?


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Answer:

9 sec.

Step-by-step explanation:

I think you wrote the equations incorrectly.  It probably is

[tex]h = -16t^{2} + 144t + 100[/tex]

If that is true, then [tex]100 = -16t^{2} + 144t + 100[/tex]

                                    0 = -16[tex]t^{2}[/tex] + 144t

                                       -16t(t - 9) = 0

                                            t = 0 or t = 9

1. The range of the graph is 28.

2. The equation of the midline is y = -0.45, the amplitude of the sinusoidal graph is 4.7.

1. To determine the range of a sinusoidal graph with a maximum point at (-22, 9) and a midline of y = -5, we need to find the minimum point of the graph.

Since the midline is y = -5, the average of the maximum and minimum values of the graph will be -5. In other words, the midpoint between the maximum point and the minimum point will lie on the midline.

Let's assume the minimum point is (x, y). Since the maximum point is (-22, 9), the midpoint between the maximum and minimum points can be calculated as:

Midpoint = (x + (-22))/2, (y + 9)/2

Setting the midpoint equal to the midline value, we have:

-5 = (x - 22)/2, (y + 9)/2

Simplifying the equations:

x - 22 = -10

y + 9 = -10

Solving for x and y, we get:

x = 12

y = -19

Therefore, the minimum point is (12, -19).

The range of the graph can be calculated as the difference between the maximum and minimum y-values:

Range = 9 - (-19)

     = 28

Therefore, the range of the graph is 28.

2. If the range of a sinusoidal function is -5.6 ≤ y ≤ 3.8, we can determine the equation of the midline and the amplitude of the graph.

The midline of the graph is the horizontal line that divides the range equally. In this case, the midline will be the average of the maximum and minimum values:

Midline = (3.8 + (-5.6))/2

       = -0.9/2

       = -0.45

Therefore, the equation of the midline is y = -0.45.

The amplitude of a sinusoidal function is half the range of the graph. In this case, the amplitude can be calculated as:

Amplitude = (3.8 - (-5.6))/2

         = 9.4/2

         = 4.7

Therefore, the amplitude of the graph is 4.7.

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To determine whether the relationship between conscientiousness and performance is best described as linear or curvilinear, a statistical analysis can be conducted.

To begin the analysis, calculate the correlation coefficient between conscientiousness scores and job performance ratings. This will provide an initial indication of the relationship's direction and strength. A positive correlation suggests a linear or curvilinear relationship, while a weak or non-existent correlation may indicate no clear relationship.

Next, perform a regression analysis to model the relationship between conscientiousness and performance. Fit a linear regression model and assess the goodness of fit using metrics like R-squared.

If the linear model yields a high R-squared value and the residuals exhibit random patterns, it suggests a linear relationship between the variables. However, if the linear model produces a low R-squared and the residuals show a non-random pattern, it indicates a potential curvilinear relationship.

If the analysis indicates that the linear assumption is incorrect and a curvilinear relationship exists, it has implications for validity evidence and selection decision-making. Traditional selection methods that rely solely on linear relationships may not accurately predict job performance for individuals with extreme levels of conscientiousness.

Validity evidence may need to be re-evaluated, and selection procedures could be adjusted to consider the curvilinear nature of the relationship. Incorporating additional assessments or modifying selection criteria may be necessary to capture the nuances of the relationship and make more informed selection decisions.

In summary, to determine the nature of the relationship between conscientiousness and performance, conduct a statistical analysis involving correlation and regression. If a curvilinear relationship is found, it can impact the validity of selection decisions and require adjustments to selection procedures to accommodate the non-linear nature of the relationship.

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Answer:

9

my bad I realized mistake

Answer:

perimeter of square =4×side

36 inches =4×side

36 inches/4 =side

9 inches =side

Answer:

A reflection over the y-axis.

To determine the number of lengths of PVC pipe to be used, we need to divide the total distance to be covered (54 meters) by the length of each PVC pipe (6 meters) and round up to the nearest whole number.

Number of lengths of PVC pipe = Total distance / Length of each PVC pipe

Number of lengths of PVC pipe = 54 meters / 6 meters

Number of lengths of PVC pipe = 9

Therefore, the number of lengths of PVC pipe to be used is 9.

So, the answer is option c. 9.

The moment of inertia depends on the distribution of masses relative to the axis of rotation. It is a measure of an object's resistance to rotational motion. The formula for the moment of inertia varies depending on the specific shape and distribution of masses.

If you can provide more details about the arrangement of masses and the axis of rotation, I can help you derive the expression for the moment of inertia in terms of m and l.

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Answer:

Step-by-step explanation:

To determine the number of possible pairs of people in a group of 23, you can use the concept of combinations. The formula to calculate combinations is given by:

C(n, r) = n! / (r!(n - r)!)

where C(n, r) represents the number of combinations of choosing r items from a set of n items, and the exclamation mark (!) denotes the factorial of a number.

In this case, you want to find the number of combinations of 2 people chosen from a group of 23. Using the formula, the calculation would be:

C(23, 2) = 23! / (2!(23 - 2)!)

        = 23! / (2! * 21!)

        = (23 * 22 * 21!) / (2 * 1 * 21!)

        = (23 * 22) / (2 * 1)

        = 23 * 11

        = 253

Therefore, there are 253 possible pairs of people that can be formed in a group of 23.

Answer:

EF = 8

Step-by-step explanation:

BC is half of AB, which means that DE will be half of EF. So if DE is 4, which is half of EF, then EF must be 8.

hope this helped! :)

Answer: 2.54(x)

Step-by-step explanation:

Since an inch is equal to about 2.54 centimeters, the expression which estimates the number of centimeters in X inches will be gotten by multiplying 2.54 by X. This will be:

= 2.54 × X

= 2.54(x)

For example, if there are 4 inches, the number of centimeters in it will be:

= 2.54(x)

= 2.54 × 4

= 10.16 inches

Answer:

$1632

Step-by-step explanation:

Given data

Principal= $1200

Rate= 12%

Time= 3 years

The simple interest expression is given as

A= P(1+rt)

substitute

A=1200(1+0.12*3)

A=1200(1+0.36)

A=1200*1.36

A=$1632

Hence the amount is $1632

Answer:

It is called the maximum value.

Step-by-step explanation:

The highest value on the domain of the function is called its maximum value.

The domain and range are defined for a relation and they are the sets of all the x-coordinates and all the y-coordinates of ordered pairs respectively. For example, if the relation is, R = {(1, 2), (2, 2), (3, 3), (4, 3)}, then:

Domain = the set of all x-coordinates = {1, 2, 3, 4}

Range = the set of all y-coordinates = {2, 3}

The maximum value of a function is the place where a function reaches its highest point, or vertex, on a graph. There is no point above the maximum value of the function. Thus the highest point on the graph is known as the maximum value of the domain of the function.

The maximum value is one of the extreme values of the domain of the function. The other extreme value is known as the minimum value. It is on one side of the graph and the maximum value is on the other side of the graph.

Therefore, the highest value on the domain of the function is called its maximum value.

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Answer:

$240

Step-by-step explanation:

60% = 0.6

400 divided by 0.6 = 240

Answer:

Step-by-step explanation:

Total cost is $26 add x-pieces each $1.50:

Hi there!

[tex]\large\boxed{(-\infty, \infty)}}[/tex]

We are given the function:

[tex]f(x) = a\sqrt[3]{bx-c}+d[/tex]

This is the transformation form of a cubic root function. Recall these properties of cubic root functions:

Domain: -∞ < x < ∞ (all real numbers)

Range: -∞ < x < ∞ (all real numbers)

Therefore, the range of the given function is all real numbers, or on (-∞, ∞).

the mean score for a critical reading test, using Excel, the probability that a random sample of 500 students will have a mean score of more than 590 can be calculated to be approximately 0.408.

To calculate the probabilities using Excel, we can utilize the standard normal distribution. First, we need to convert the sample means to z-scores by using the formula: z = (sample mean - population mean) / (population standard deviation / sqrt(sample size)). For the sample mean of more than 590, we can calculate the probability of z being greater than the corresponding z-score using the formula "=1-NORM.S.DIST(z-score,TRUE)". In this case, the z-score is (590 - 580) / (115 / sqrt(500)), which gives approximately 0.408.

Similarly, for the sample mean of less than 575, we calculate the probability of z being less than the corresponding z-score using the formula "=NORM.S.DIST(z-score,TRUE)". The z-score is (575 - 580) / (115 / sqrt(500)), which gives approximately 0.084.

Therefore, the probability that a random sample of 500 students will have a mean score of more than 590 is approximately 0.408, and the probability that the sample mean is less than 575 is approximately 0.084.

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Answer:

26

Step-by-step explanation:

Well since a car can travel 78 miles Using 3 gallons

78/3=26

26 miles for each gallon

Answer:

26

Step-by-step explanation:

The unit rate refers to the distance the car can travel using 1 gallon of gas. One way to solve this is to create an algebraic equation like [tex]78=3x[/tex]. Then, to find the unit rate isolate x by dividing both sides by 3. This means that the unit rate is 26.

Answer:

3c + 14d

Step-by-step explanation:

Hello There!

We can simplify this expression by combining like terms

Now what are like terms?

They are terms that have the same variable ex. 4a and 2a are like terms as they have the same variable (a)

Now lets look back at the expression and see if there are any like terms

which there are (4c and -c) and (6d and 8d)

so lets combine them

4c - c =3c

6d + 8d = 14d

so the simplified version would be 3c + 14d

Answer:

B) 3c+14d

Step-by-step explanation:

We use the addition property for the following question

First we rearrange the following problem and we get

4c-c+6d+8d

The easiest way is to just add and subtract or if you want have a better understanding, you can factor our the like terms which gives us

(4-1)c+(6+8)d

and then we can simplify to get

3c+14d

Given the trigonometric identity: sin (π/2 + x) = cos x. We are to show that it can be derived from compound angle formulas for sine and cosine functions.

In order to prove the identity using the compound angle formulas, we have to start by recalling the formulas for sin(A + B) and cos(A + B).The compound angle formulas are given as:$$\begin{aligned}\sin (A+B)&=\sin A\cos B+\cos A\sin B\\\cos(A+B)&=\cos A\cos B-\sin A\sin B\end{aligned}$$

Let us set A = π/2 and B = x. Hence, A + B = π/2 + x. Then, we can write:$$\begin{aligned}\sin \left(\frac{\pi}{2}+x\right)&=\sin\frac{\pi}{2}\cos x+\cos\frac{\pi}{2}\sin x \\&= \cos x\end{aligned}$$And, $$\begin{aligned}\cos\left(\frac{\pi}{2}+x\right)&=\cos\frac{\pi}{2}\cos x - \sin\frac{\pi}{2}\sin x \\&= -\sin x\end{aligned}$$

Therefore, sin(π/2 + x) = cos x, as desired.

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Answer:

answer A shows a rotation

A because B is a mirror, c is a translation

Answer:

It would be 8% .

Good luck ^^

Answer:

320 odd three.

Step-by-step explanation:

9 but we cannot place the digits that are used in the two other digits and we can place only 7 digits. However, the result is not correct, because there are 320 odd three-digits numbers with different digits.

1/2 + 1/5 = 5/10 + 2/10 = 7/10

Answer:

7/10

Step-by-step explanation:

1x5/2x5 + 1x2/5x2

=5/10+2/10

=7/10

One Mol of any gas occupies a volume of 22.4

We have been given the number of miles of hydrogen and the volume of any gas at STP

Therefore you can use that and substitute it into the formula to calculate the Volume of hydrogen for that number of moles

The series solution up to and including x⁴ is given by y(x) = 1 + 6x + (1/2)x² + (5/6)x³ + (1/4)x⁴ + ...

1.(a) A sequence is said to converge if its terms approach a specific value as the index of the terms increases without bound. In other words, as you go further along in the sequence, the terms get arbitrarily close to a particular limit value.

A sequence is said to diverge if its terms do not approach a specific value or if they move away from any possible limit as the index increases without bound. In other words, there is no single value that the terms of the sequence tend to as you go further along.

(b) Is there a sequence 01, 02, a3... with lan) <0.0001 for all n = 1,2,3,... that diverges No, there is no such sequence. If a sequence has a limit, then for any positive epsilon (ε), there exists a positive integer N such that for all n > N, |an - L| < ε, where L is the limit. In this case, if the limit exists, all terms beyond a certain index will be arbitrarily close to the limit, and it would violate the condition lan) < 0.0001 for all n = 1,2,3,... Therefore, if the condition holds, the sequence must converge.

(c) Is there a sequence 1000 01, 02, 03... with an < for all n = 1,2,3,... n 45 135 405 that diverges No, there is no such sequence. The sequence you provided starts with 1000, and each subsequent term increments by 1. Since the terms are increasing, the sequence does not approach any limit and therefore diverges.

2. (a)The nth term in the sequence an, assuming the sequence starts at a₀ we can observe that each term is obtained by multiplying the previous term by 4. So the expression for the nth term in the sequence can be given as

Aₙ = a₀ × 4ⁿ⁻¹

Given that a₀ = 15, the expression for the nth term in the sequence is:

aₙ = 15 × 4ⁿ⁻¹

(b) Does the series obtained by adding the terms of the sequence, Σan, converge or diverge

The series obtained by adding the terms of the sequence converges or diverges, we need to calculate the sum of the terms. Let's denote the sum of the series as S.

S = a₀ + a₁ + a₂ + ... + aₙ

Substituting the expression for an derived in part (a), we have:

S = 15 + 15 × 4⁰ + 15 × 4¹ + 15 × 4² + ... + 15 × 4ⁿ⁻¹

Using the formula for the sum of a geometric series, we can simplify this expression:

S = 15 × (1 + 4⁰ + 4¹ + 4² + ... + 4ⁿ⁻¹)

The sum of a geometric series with a common ratio greater than 1 is given by:

S = a × (1 - rⁿ) / (1 - r)

In this case, a = 15 and r = 4. Letting n approach infinity, we have:

S = 15 × (1 - 4ⁿ) / (1 - 4)

As n approaches infinity, the term 4ⁿ grows larger and larger. Since the common ratio (4) is greater than 1, the term 4ⁿ approaches infinity. Therefore, the sum of the series also approaches infinity.

Hence, the series obtained by adding the terms of the sequence diverges.

3) A series solution up to and including x⁴ for the initial value problem (IVP) y" - xy' + y² = 1 with the initial conditions y(0) = 1 and y'(0) = 6, we can use the power series method.

Let's assume that the solution y(x) can be expressed as a power series:

y(x) = a₀ + a₁x + a₂x² + a₃x³ + a₄x⁴ + ...

Differentiating y(x) with respect to x, we get:

y'(x) = a₁ + 2a₂x + 3a₃x² + 4a₄x³ + ...

Similarly, differentiating y'(x) with respect to x, we obtain:

y''(x) = 2a₂ + 6a₃x + 12a₄x² + ...

Now, let's substitute these expressions into the given differential equation:

y''(x) - xy'(x) + y(x)² = 1

(2a₂ + 6a₃x + 12a₄x² + ...) - x(a₁ + 2a₂x + 3a₃x² + 4a₄x³ + ...) + (a₀ + a₁x + a₂x² + a₃x³ + a₄x⁴ + ...)² = 1

Expanding and collecting the terms with the same power of x, we get:

(2a₂ - a₀) + (6a₃ - a₁ - 2a₂) x + (12a₄ - 2a₁ + 3a₃) x² + ...

To satisfy the equation, each coefficient of x must be equal to zero. Setting the coefficients to zero, we have:

2a₂ - a₀ = 0 (Coefficient of x⁰)

6a₃ - a₁ - 2a₂ = 0 (Coefficient of x¹)

12a₄ - 2a₁ + 3a₃ = 0 (Coefficient of x²)

Using the initial conditions y(0) = 1 and y'(0) = 6, we have:

a₀ = 1 (Initial condition)

a₁ = 6 (Initial condition)

Solving the equations above, we find

a₂ = a₀/2 = 1/2

a₃ = (a₁ + 2a₂)/6 = (6 + 2/2)/6 = 5/6

a₄ = (2a₁ - 3a₃)/12 = (2(6) - 3(5/6))/12 = 1/4

Therefore, the series solution up to and including x⁴ is given by:

y(x) = 1 + 6x + (1/2)x² + (5/6)x³ + (1/4)x⁴ + ...

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Answer:

Answer:

To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.

Answer:

x = 107

Step-by-step explanation:

44+29+107=180

a triangle equals 180 with all the degrees added together :)

Answer:

£4244.83

Step-by-step explanation:

Use the compound amount formula:

A = P(1 + r)^t.  Here, P = £4000, r = 0.02 and t = 3 yrs

So:  A = £4000(1 + 0.02)^3, which comes to:

       A = £4000(1.061) = £4244.83