which of the following statements about the mean absolute deviation (mad) is themost accurate?

Answer:

The fraction is 3/10 = .3

If the tuna sushi contained no mercury, the values of the measures of variation would be different. The range of the sample data would be 0, as there would be no difference between the highest and lowest values.

The sample variance Ppm would also be 0, as there would be no variability in the data.
Measures of variation are used to describe the spread of a dataset. They include the range, variance, and standard deviation. In this case, the range is currently 0.87 Ppm, which means that the highest value in the dataset is 0.87 Ppm more than the lowest value. However, if there was no mercury in the sushi, the range would be 0, as there would be no difference between the highest and lowest values.
The sample variance Ppm is currently unknown, but it can be calculated using a formula. However, if there was no mercury in the sushi, the sample variance would also be 0, as there would be no variability in the data. This means that all the values in the dataset would be the same.
In summary, if the tuna sushi contained no mercury, the range and sample variance Ppm would be 0, as there would be no variability in the data.

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Answer:

X = 42.38 approximate to 42.4

Step-by-step explanation:

You can solve x by using cos(43°)

Cos (43°) = 31/X

Cos (43°) ×X = 31

X = 31/ Cos(43°)

X = 42.38 approximate to 42.4

Subsets a, b, c, d of the set {1, 2, 3, 4} such that r= ((a x b) u (c x d)) – (d x d) are a = {1}, b = {1, 2, 3}, c = {3}, and d = {2, 3}.

We start by examining the pairs in the set r. Notice that the first coordinate takes on the values 1, 2, 3, and 4, while the second coordinate takes on the values 1, 2, and 3. This suggests that we can take a, b, c, and d to be subsets of {1, 2, 3, 4}.

Since (1, 1) is in r, we know that (1, y) and (x, 1) must be in a x b and c x d, respectively, for some values of x and y. It follows that a = {1} and b = {1, 2, 3} (since (1, 2) and (1, 3) are in r).

Next, we consider the pairs (3, 2) and (3, 3) in r. These must come from either a x b or c x d. If they come from a x b, then 3 must be in aanand either 2 or 3 must be in b.

However, neither choice works because (3, 2) and (3, 3) cannot both be obtained in this way. Therefore, we must have (3, 2) and (3, 3) in c x d. Since 3 is already in a, we can take c = {3} and d = {2, 3}.

Finally, we need to remove the pairs in d x d from a x b u c x d. Since d = {2, 3}, we have d x d = {(2, 2), (2, 3), (3, 2), (3, 3)}.

It follows that (a x b u c x d) - (d x d) = ({1} x {1, 2, 3} u {3} x {2, 3}) - {(2, 2), (2, 3), (3, 2), (3, 3)} = {(1, 1), (1, 2), (1, 3), (3, 2), (3, 3), (4, 2), (4, 3)}

Therefore, we can take a = {1}, b = {1, 2, 3}, c = {3}, and d = {2, 3}.

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the value of the integral is 0.Twe need to first determine the equation of the function f and  integral using the Fundamental Theorem of Calculus.

Since the areas of regions A, B, and C are equal to 2, the total area enclosed by the function f and the x-axis is 6. Therefore, we can write:

∫[a,b] f(x) dx + ∫[b,c] f(x) dx = 6

We also know that the area of each region is 2, so we can write:

∫[a,b] f(x) dx = ∫[c,b] f(x) dx = 2

Therefore, we have:

2 + 2 + ∫[b,c] f(x) dx = 6

∫[b,c] f(x) dx = 2

Now, we can use the Fundamental Theorem of Calculus to evaluate the integral ∫[b,c] f(x) dx:

∫[b,c] f(x) dx = F(c) - F(b)

where F(x) is the antiderivative of f(x).

Since the area of region C is equal to 2, we know that:

∫[b,c] f(x) dx = 2 = F(c) - F(b)

Therefore, we have:

F(c) - F(b) = 2

Taking the derivative of both sides with respect to x, we get:

f(c) - f(b) = 0

Since the function f is continuous, this implies that f(c) = f(b). Therefore, the value of the integral is:

∫[b,c] f(x) dx = F(c) - F(b) = 0

So, thethe value of the integral is 0.

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To state the trigonometric substitution you would use to find the indefinite integral of ∫(81+x^2)^(-10) dx without actually integrating, you can use the substitution: x(θ) = 9 * tan(θ).

This substitution is appropriate because it makes the expression (81+x^2) simplify to 81(1+tan^2(θ)) = 81 sec^2(θ). Making this substitution, we have dx = 9 sec^2(θ) dθ.
Therefore,
∫(81+x^2)^(-10) dx = ∫(81(1+tan^2(θ)))^(-10) (9 sec^2(θ) dθ)

= 729∫(sec^2(θ))^10 (sec^2(θ) dθ)  

= 729∫(sec^2(θ))^11 dθ

At this point, we can use a u-substitution of u = tan(θ) and du = sec^2(θ) dθ, which simplifies the integral to
729∫(1+u^2)^(-11) du

Note that we still have not integrated the original expression, but have simply found the appropriate trigonometric substitution to simplify the expression.

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Willard should interpret the 95% prediction interval for percent potassium when nitrogen is 18 ppm as a range of values within which the true value of percent potassium is likely to fall with a 95% probability.

Specifically, the prediction interval (0.87%, 1.02%) suggests that if Willard were to measure the percent potassium in a large number of soil samples with a nitrogen level of 18 ppm and calculate the prediction interval for each sample, then 95% of the prediction intervals would contain the true value of percent potassium.

The lower and upper limits of the prediction interval correspond to the lower and upper bounds of the plausible range for percent potassium, given the observed nitrogen level. In this case, the interval (0.87%, 1.02%) indicates that Willard can be 95% confident that the true value of percent potassium for a soil sample with nitrogen level 18 ppm falls between 0.87% and 1.02%. However, it is important to note that the prediction interval is based on statistical assumptions and may not capture all sources of uncertainty or variability in the data. Therefore, it is important to interpret the prediction interval with caution and in the context of the specific statistical model and assumptions used to derive it.

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Let the original amount be x

Then According to the question,

15.5 % of x is 713

15.5% * x = 713

(15.5 / 100 ) * x = 713 ( as 1 Percent =1/100)

x = 713 * 100/15.5

x = 4600

So, the original amount is 4600.

The original amount is calculated by setting up an equation using percentages, representing the original amount as X: 15.5 / 100 * X = 713. This equation is then solved to find X = (713 * 100) / 15.5, which results in X = 4600. Thus, the original amount is 4600.

The subject of the question is percentage calculation. In this situation, we can understand that 15.5 percent of an original amount equates to 713.

To find the original amount, we can set up an equation with the values provided. If we represent the original amount as X, then: 15.5 / 100 * X = 713.

To isolate X and hence find the original amount, we can solve this equation by dividing both sides by 15.5 and multiplying by 100: X = (713 * 100) / 15.5.

Calculating this gives us X = 4600. So, the original amount was 4600.

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Answer:In order for a set of numbers to represent the three sides of a triangle, they must satisfy the triangle inequality theorem, which states that the sum of the lengths of any two sides must be greater than the length of the third side. Let’s consider each set of numbers in turn to see if they meet this condition.The set {15,27,43} does not represent the sides of a triangle, as 15 + 27 < 43, which violates the triangle inequality theorem. In other words, the sum of the first two sides is not greater than the third side, so a triangle cannot be formed with these side lengths.The set {7,22,28} does represent the sides of a triangle. To see this, we can check that each pair of sides satisfies the triangle inequality theorem: 7 + 22 > 28, 7 + 28 > 22, and 22 + 28 > 7. Therefore, a triangle can be formed with these side lengths.The set {14,17,32} does not represent the sides of a triangle, as 14 + 17 < 32, violating the triangle inequality theorem. Therefore, a triangle cannot be formed with these side lengths.The set {8,19,27} does represent the sides of a triangle. We can check that each pair of sides satisfies the triangle inequality theorem: 8 + 19 > 27, 8 + 27 > 19, and 19 + 27 > 8. Therefore, a triangle can be formed with these side lengths.In general, when considering whether a given set of numbers represents the sides of a triangle, we must check that the sum of any two sides is greater than the length of the third side. This inequality is essential for ensuring that the three sides can form a closed shape. If this condition is not satisfied, the set of numbers cannot represent the sides of a triangle. Conversely, if the condition is satisfied, then a triangle can be formed with those side lengths.

Step-by-step explanation:

The volume of the composite solid which is the combined volume of the rectangular prism is 272 cm³

We have,

To determine the volume of the composite solid, we have to find the volume of two different rectangular prism.

volume of rectangular prism = length * width * height

for the first prism;

volume of rectangular prism = 8 * 4 * 5

volume of rectangular prism = 160cm³

For the second prism

volume of rectangular prism = 14 * 8 * 1

volume of rectangular prism = 112 cm³

The volume of the composite solid = volume of first rectangular prism + volume of second rectangular prism

volume of composite solid = (160 + 112) cm³

volume of composite solid = 272cm³

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The equation in the standard form as g(x) = 1|x - 0| - 8 where a = 1, h = 0, and k = -8, all of which are integers.

The absolute value function is defined as:

f(x) = |x|

This function takes any real number x as input and returns its absolute value, which is always a non-negative value. The graph of this function is a V-shaped curve that passes through the origin. The equation of this graph can be written in the form:

f(x) = a|x - h| + k

where a, h, and k are integers. To find the equation of g(x), which is the translation of f(x) by 8 units down, we need to apply the translation to the graph of f(x).

Translation of a function refers to shifting the graph of the function up or down, left or right, without changing its shape or size. In this case, we are asked to shift the graph of f(x) down by 8 units. To do this, we subtract 8 from the value of f(x) at every point on the graph.

Thus, the equation for g(x) can be written as:

g(x) = |x| - 8

We can rewrite this equation in the standard form as:

g(x) = 1|x - 0| - 8

where a = 1, h = 0, and k = -8, all of which are integers.

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Answer: 85 cents is the best buy you can get

Step-by-step explanation:

PLEASE GIVE ME BRAINLIEST

Answer: To compute the two-dimensional divergence of the vector field F = (3y, 4x), we need to apply the divergence operator to F:

div F = ∂Fx/∂x + ∂Fy/∂y

= ∂(3y)/∂x + ∂(4x)/∂y

= 0 + 0

Therefore, the divergence of F is zero, which means that F is a divergence-free or source-free vector field.

To evaluate the two integrals in Green's theorem, we need to parameterize the boundary of the region R, which consists of two curves: y = 9 - x² and y = 0.

Let's first compute the line integrals of F along each curve.

Along y = 9 - x², we have:

∫ F · dr = ∫ (3y, 4x) · (dx, dy)

= ∫ 3(9-x²) dx + 4x dy

= ∫ 27 dx - 3x² dx + 4xy dy

= 27x - x³ + 2xy |y=0^9-x²

= 27x - x³ + 18x(9-x²)

= -x^3 + 171x

Along y = 0, we have:

∫ F · dr = ∫ (3y, 4x) · (dx, dy)

= ∫ 4x dy

= 0

Next, we need to compute the double integral of the curl of F over the region R:

∬ curl F · dA = ∬ (∂Fy/∂x - ∂Fx/∂y) dA

= ∬ (-4) dA

= -4 ∬ dA over R

The region R is bounded by y = 9 - x² and y = 0, and its projection onto the x-axis is the interval [-3, 3]. Therefore, we can write:

∬ dA over R = ∫_{-3}^3 ∫_0^{9-x²} dy dx

= ∫_{-3}^3 (9-x²) dx

= 54

Finally, we can apply Green's theorem:

∫ F · dr = ∬ curl F · dA

or

(-x^3 + 171x) - 0 = -4(54)

-4(54) = -216

Therefore, the two integrals are consistent with each other, and the vector field F is source-free.

Statistics indicate that 45% of all small businesses fail after three years. This is a concerning statistic for entrepreneurs who are considering starting their own business.

It is important for potential business owners to understand the reasons why small businesses fail and take steps to mitigate these risks. Some common reasons for failure include poor management, insufficient funding, lack of market demand, and competition.

One way to mitigate these risks is by having a solid business plan in place that includes a realistic assessment of the market, a clear understanding of the competition, and a plan for securing financing. Additionally, having a strong risk tolerance and the ability to adapt to changing market conditions can also increase the chances of success for small businesses.

Ultimately, the key to success for small businesses is a combination of careful planning, strong management, and a willingness to take calculated risks.

One of the contributing factors to this failure rate is the business owner's risk tolerance (3) B), which may lead them to take on more financial obligations than they can handle. Additionally, securing proper financing (4) D) is crucial for the success and growth of a small business, and a lack of adequate funding may contribute to the high failure rate.

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To compute the t-ratio of 154.0 for Paid Attendance, we would need more information and context. The t-ratio is typically calculated as the difference between two sample means divided by the standard error of the difference between the means. We would need to know the sample sizes, means, and standard deviations for the two groups being compared (e.g. paid attendees vs. non-paid attendees) in order to calculate the t-ratio. Without this information, we cannot accurately compute the t-ratio using the options provided.

The t-ratio is a statistical measure used to determine if there is a significant difference between two groups. It is calculated by dividing the difference between the means of the two groups by the standard error of the difference between the means. In order to calculate the t-ratio, we need to know the sample sizes, means, and standard deviations for both groups being compared.

The options provided in the question do not contain this information. Therefore, we cannot accurately compute the t-ratio using the options provided. We need to know the sample sizes, means, and standard deviations for both the paid and non-paid attendance groups.

Once we have this information, we can calculate the t-ratio using the formula: t-ratio = (mean1 - mean2) / standard error of the difference, where mean1 is the mean of the first group, mean2 is the mean of the second group, and the standard error of the difference is calculated as:

standard error of the difference = sqrt((s1^2/n1) + (s2^2/n2))

where s1 and s2 are the standard deviations of the two groups, and n1 and n2 are the sample sizes.

In conclusion, we cannot compute the t-ratio of 154.0 for Paid Attendance without more information and context. We would need to know the sample sizes, means, and standard deviations for both the paid and non-paid attendance groups to accurately calculate the t-ratio using the formula mentioned above.

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According to permutation, there are 524,160 unique ways in which the teacher can distribute the 5 pets to the 16 volunteers.

The permutation formula nPr is used to determine the number of ways in which r objects can be selected and arranged from a set of n objects. In this scenario, the teacher wants to select 5 students out of the 16 volunteers and assign each of them 1 pet. Therefore, n = 16 (the number of volunteers), and r = 5 (the number of pets to be distributed).

The permutation formula is expressed as:

nPr = n! / (n - r)!

where n! represents n factorial, which is the product of all positive integers up to and including n. For example, 5! = 5 x 4 x 3 x 2 x 1 = 120.

In this scenario, we can calculate the number of permutations by substituting the appropriate values into the formula:

16P5 = 16! / (16 - 5)!

= 16! / 11!

= 524,160

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Complete Question:

A biology teacher has 5 different pets they keep in their classroom. For an upcoming holiday break, the teacher will send the pets home with students. Suppose that 16 of the teacher's 75 students volunteer to take a pet home, and the teacher will randomly select 5 of those volunteers to each take 1 pet home. The permutation formula nPr can be used to find the number of unique ways the teacher can distribute pets to the volunteers. N What are the appropriate values of n and r?

Answer:

Step-by-step explanation:

Here [tex]11^4=11\times11\times11\times11=121\times121=14641[/tex].

Final Answer: So the solution is 14641.

This polynomial has two complex roots, 2+3i and 2-3i, and two real roots, 4+2i and 4-2i. Therefore, our matrix satisfies the conditions of having exactly two complex eigenvalues and no real eigenvalues.

A complex eigenvalue is a solution to the characteristic equation of a matrix that has the form λ = a + bi, where a and b are real numbers and i is the imaginary unit (√-1). For a matrix to have a complex eigenvalue, it must also have a complex eigenvector, which is a vector with complex entries that satisfies the equation Ax = λx, where A is the matrix, λ is the eigenvalue, and x is the eigenvector.

Now, to find a 4×4 matrix with exactly two complex eigenvalues and no real eigenvalues, we need to construct a matrix that has a characteristic equation with two complex roots and no real roots. One way to do this is to use a diagonal matrix with two complex conjugate pairs of entries on the diagonal.
For example, consider the following matrix:
| 2+3i    0     0    0 |
|  0     2-3i   0    0 |
|  0      0    4+2i  0 |
|  0      0     0   4-2i|
This matrix has two complex conjugate pairs of eigenvalues: 2+3i and 2-3i, and 4+2i and 4-2i. To see this, we can compute the characteristic polynomial of the matrix:
| λ - 2-3i    0         0          0      |
|    0     λ - 2+3i     0          0      |
|    0         0     λ - 4-2i      0      |
|    0         0         0      λ - 4+2i |

Expanding this determinant gives us:
(λ - 2-3i)(λ - 2+3i)(λ - 4-2i)(λ - 4+2i) = (λ^2 - 4λ + 13)(λ^2 - 16)
This polynomial has two complex roots, 2+3i and 2-3i, and two real roots, 4+2i and 4-2i. Therefore, our matrix satisfies the conditions of having exactly two complex eigenvalues and no real eigenvalues.

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Answer:

7 triangles

No quadrilaterals

Step-by-step explanation:

you have to count the triangles (counting the tiny one at the bottom centre too) and there are no 4 sided shapes (quadrilaterals)

Answer:7 triangles

7 quadrilaterals

Step-by-step explanation:

1. Dlamini will receive the sum of $1,072.50 when he changes £750 to US dollars ($).

2. The company will receive £1,740 when they exchange 2,000 euros to GB pounds.

In the table, we are given that £1 = $1.43.

As he changes £750 to US dollars, what he will receive is computed as:

£750 = 750 x $1.43

£750 = $1,072.50

In the table, we find out that that €1 = £0.87

€2,000 = 2,000 x 0.87

€2,000 = £1,740.

Missing Table:

USD ($) Euro (€) GBP (E)

1              1.82        1.43.

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Therefore, The double integral of 2 over the cylinder is 320π.

I understand you need help calculating a double integral over a cylinder with given parameters. To do so, let's follow these steps:
1. Set up the integral: Since the cylinder is described by the equation x^2 + y^2 = 16 (radius of 4) and has a height of 5 (0 ≤ z ≤ 5), we can use cylindrical coordinates. Let x = 4cos(θ) and y = 4sin(θ), where 0 ≤ θ ≤ 2π. The Jacobian for cylindrical coordinates is 4 in this case.
2. Transform the integral: ∬2 dxdydz = ∬2(4) dzdθdr, with limits 0 ≤ z ≤ 5, 0 ≤ θ ≤ 2π, and 0 ≤ r ≤ 4.
3. Evaluate the integral: First, integrate with respect to z: ∬8 dzdθdr = 8∬(z) |(from 0 to 5) dθdr = 8∬(5 - 0) dθdr = 40∬ dθdr.
Next, integrate with respect to θ: 40∫(θ) |(from 0 to 2π) dr = 80π∫ dr.
Finally, integrate with respect to r: 80π(r) |(from 0 to 4) = 80π(4 - 0) = 320π.

Therefore, The double integral of 2 over the cylinder is 320π.

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The simplified expression is 3x^3.

To simplify the expression 1/(9x^6)^(-1/2), we can start by using the property of negative exponents which says:

(a^(-n)) = 1/(a^n)

Applying this property to the denominator inside the parentheses, we get:

1/(9x^6)^(-1/2) = 1/[(1/(9x^6))^(1/2)]

Now, we can simplify the expression inside the square root by applying the property of fractional exponents:

(a^(m/n)) = nth root of (a^m)

Using this property, we can rewrite 1/(9x^6)^(1/2) as:

1/[(9x^6)^(1/2)] = 1/(3x^3)

Substituting this result back into our original expression, we get:

1/(9x^6)^(-1/2) = 1/[(1/(9x^6))^(1/2)] = 1/(1/(3x^3)) = 3x^3

Therefore, the simplified expression is 3x^3.

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To determine if W is a basis for R^3, we need to check if the two vectors in W are linearly independent and if they span R^3.

To check for linear independence, we can set up an equation:
c1[-2, 3, 0] + c2[6, -1, 5] = [0, 0, 0]

where c1 and c2 are constants.
Solving for c1 and c2, we get:
-2c1 + 6c2 = 0
3c1 - c2 = 0
5c2 = 0

The last equation tells us that c2 = 0, which means the only solution is c1 = c2 = 0. This means that the vectors in W are linearly independent.
Next, we need to check if they span R^3. Since there are two vectors in W and R^3 has three dimensions, we know that they cannot span R^3 unless they are multiples of two linearly independent vectors that span R^3.

We can see that the vectors in W are not multiples of each other, so they must be linearly independent. But we still need to check if they span R^3.

One way to do this is to check if the determinant of the matrix formed by the vectors in W and the standard basis vectors for R^3 is nonzero.
det([-2, 3, 0, 1, 0, 0; 6, -1, 5, 0, 1, 0; 0, 0, 0, 0, 0, 1]) = 30
Since the determinant is nonzero, we know that the vectors in W span R^3.

Therefore, the correct answer is A. W is a basis.
Determine if W is a basis for R^3:
To be a basis for R^3, a set of vectors must be linearly independent and span R^3.
W = {[-2, 3, 0], [6, -1, 5]}
Step 1: Check for linear independence.
To check for linear independence, see if there is any scalar multiple (a constant) that can multiply one vector to get the other:

k * [-2, 3, 0] = [6, -1, 5]
This equation does not have a solution for k, so the vectors are linearly independent.
Step 2: Check if W spans R^3.
Since R^3 has a dimension of 3, a basis for R^3 must contain 3 linearly independent vectors. However, W only contains 2 linearly independent vectors.

Therefore, W is not a basis for R^3 because it does not span R^3. The correct answer is C.

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Answer:

<QSVX= 180°

<TSR= 180°

therefore, <QST= 90°

<TSV= 90°

<QST + <TSV = 180°

ps : i'm not really sure but i think this is the answer. sorry

To find the probability that a person fails the first time but passes the second time in organic chemistry, we need to multiply the probability of failing the first time (0.2) by the probability of passing the second time (0.9).

Probability of failing the first time = 0.2

Probability of passing the second time = 0.9

Probability of failing the first time but passing the second time = 0.2 * 0.9

Calculating the product:

Probability of failing the first time but passing the second time = 0.18

Therefore, the probability that a person fails the first time but passes the second time in organic chemistry is 0.18, or 18%.

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The given series Σ(n=1 to ∞) e^(1/n) / n^8 is convergent.

To test the series for convergence or divergence, we can use the Limit Comparison Test. The series given is:
Σ(n=1 to ∞) e^(1/n) / n^8

Let's compare it to the simpler series:
Σ(n=1 to ∞) 1 / n^8

Now, compute the limit:
lim (n→∞) [(e^(1/n) / n^8) / (1 / n^8)] = lim (n→∞) [e^(1/n)]

As n→∞, 1/n→0, so e^(1/n) approaches e^0, which is 1. Therefore, the limit is:
lim (n→∞) [e^(1/n)] = 1

Since the limit is a positive finite number, the original series has the same convergence behavior as the simpler series Σ(1 / n^8). The simpler series is a convergent p-series with p = 8 > 1. Therefore, the original series is also convergent.

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A stacked bar chart would be the best graphic to display the data. A stacked bar chart is a bar chart that shows different segments of the data as different parts of each bar.

Each bar represents the total frequency of a category, and the segments within the bar represent the proportion of each category. In this case, the categories are the five Gulf Coast states.

The stacked bar chart will allow the technical writer to show the proportion of hurricanes that have hit each state over time. The x-axis can represent the years from 1900 to 2005, and the y-axis can represent the proportion of hurricanes that hit each state. The height of each bar represents the total proportion of hurricanes that hit all five states, and each segment represents the proportion of hurricanes that hit each state.

By using a stacked bar chart, the technical writer can easily show the changes in hurricane patterns over time. The audience will be able to see which states have been hit more frequently and which states have been hit less frequently. This information can be valuable for people who live in the Gulf Coast region, as it can help them to understand the risks of hurricanes and to prepare accordingly.

Additionally, the stacked bar chart is easy to understand, even for people who are not familiar with statistical concepts. The chart can be designed to be visually appealing and easy to read, which can help to increase the impact of the safety brochure.

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Answer:

9.56

Step-by-step explanation:

105.16 divided by 11 is the answer (9.56)

the derivative is a mathematical concept that describes how a function changes over an infinitesimally small amount of its input.

To apply Newton's method to the function f(x) = x^2 - 11 with an initial approximation of x0 = 3, we use the following formula for the nth iteration:

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

where f'(x) is the derivative of f(x). In this case, f'(x) = 2x.

Using x0 = 3, we can compute the first 10 iterations as follows:

n xn f(xn) f'(xn) xn+1

0 3 2 6 2.833333

1 2.833333 0.694444 5.666667 3.316527

2 3.316527 0.019914 6.633054 3.316624

3 3.316624 0.000000 6.633249 3.316624

4 3.316624 0.000000 6.633249 3.316624

5 3.316624 0.000000 6.633249 3.316624

6 3.316624 0.000000 6.633249 3.316624

7 3.316624 0.000000 6.633249 3.316624

8 3.316624 0.000000 6.633249 3.316624

9 3.316624 0.000000 6.633249 3.316624

10 3.316624 0.000000 6.633249 3.316624

Thus, the first 10 iterations of Newton's method for f(x) = x^2 - 11 with an initial approximation of x0 = 3 are:

x1 = 2.833333

x2 = 3.316527

x3 = 3.316624

x4 = 3.316624

x5 = 3.316624

x6 = 3.316624

x7 = 3.316624

x8 = 3.316624

x9 = 3.316624

x10 = 3.316624

We can see that the iterations converge to the root of the function, which is approximately 3.316624.

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Sahara has spent 3/4 of her money.

To find out what fraction of her money Sahara has spent, we need to first calculate how much money she has left after spending $60.

Starting with $80, subtracting $60 gives us $20.

Therefore, Sahara has $20 left.

To express this as a fraction, we need to use the total amount of money she started with as the denominator and the amount she has left as the numerator.

So, the fraction of her money that Sahara has spent is:
$60/$80

This can be simplified by dividing both the numerator and denominator by 20:
$60/$80 = $3/$4

Therefore, Sahara has spent 3/4 of her money.

It's important to understand fractions as they are a fundamental concept in mathematics. Fractions are a way of representing parts of a whole. The numerator represents the part of the whole that we are considering, while the denominator represents the total number of parts that make up the whole. In this case, the whole is the total amount of money Sahara started with, which was $80. The part that she spent was $60, so the fraction of her money spent is 3/4.

Fractions are used in many different mathematical operations, including addition, subtraction, multiplication, and division. It is important to be able to manipulate fractions in order to solve more complex problems in algebra and calculus.

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