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16
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18°
19°
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30°
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28
22
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Average Daily Temperature
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The mean of the temperatures in the chart is 24° with a standard deviation of 4°. Which temperature is within one
standard deviation of the mean?
32
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The vertex of the parabola is located at (-1, -2).To identify the vertex of the parabola given the points (-2, -1), (-3, 2), (-1, -2), and (1, 2), we can use the fact that the vertex of a parabola is the highest or lowest point on the graph.

From the given points, we can observe that the y-coordinate of the vertex will be either the highest or lowest among the y-coordinates of the points.By examining the y-coordinates, we see that the point (-3, 2) has the highest y-coordinate of 2, while the point (-1, -2) has the lowest y-coordinate of -2.

Therefore, the vertex of the parabola is the point (-1, -2), as it is the lowest point on the graph. The x-coordinate of the vertex is -1, and the y-coordinate is -2.

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Step-by-step explanation:

Therefore, the first five multiples of 17 are 17 , 34 , 51 , 68 and 85 .

The correct answer is Screw option needs to be set to something greater than 0.

To get the vertical movement and create a helix-like shape using the screw modifier, Caroline needs to change the screw option to something greater than 0.

The screw option determines the amount of vertical displacement or height of the helix shape.

By setting the screw option to a value greater than 0, Caroline can control the vertical movement of the model as it spirals along the axis, resulting in a helix-like shape.

Therefore, the correct answer is:

Screw option needs to be set to something greater than 0.

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Answer:

Proving that the limit of the equation 10 - 2x as x approaches -3 is 16 involves using the definition of a limit.

Here's how you would approach it:

Let epsilon be a small positive number. We want to find a value of delta such that if x is within a distance of delta from -3, then 10 - 2x is within a distance of epsilon from 16.

So, we start with:

|10 - 2x - 16| < epsilon

Simplifying,

|-2x - 6| < epsilon

And using the reverse triangle inequality,

|2x + 6| > ||2x| - |6||

Now, we can choose a value for delta such that if x is within delta of -3, then |2x + 6| is within delta + 6 of |-6| = 6.

So,

||2x| - |6|| < epsilon

and therefore:

|2x - 6| < epsilon

Choosing delta = epsilon/2, we can prove that:

0 < |x + 3| < delta -> |2x - 6| < epsilon

Therefore, we have proved that the limit of 10 - 2x as x approaches -3 is 16 using the definition of a limit.

Step-by-step explanation:

brainliest Pls

The area to the right of the z-score 0.41 under the standard normal curve is approximately 0.3409.

To find the area to the right of the z-score 0.41 under the standard normal curve, we need to calculate the cumulative probability or area under the curve from 0.41 to positive infinity.

Since the standard normal distribution is symmetric around the mean (z = 0), we can use the property that the area to the right of a z-score is equal to 1 minus the area to the left of that z-score.

From the given z-table, we can look up the area to the left of 0.41, which is 0.6591.

The area to the right of 0.41 is then:

Area = 1 - 0.6591

Area = 0.3409

Therefore, the area to the right of the z-score 0.41 under the standard normal curve is approximately 0.3409.

This means that approximately 34.09% of the data falls to the right of the z-score 0.41 in a standard normal distribution.

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a. Mean = 3

Standard deviation = 2

b. The z-scores for each score in the sample are: 1, -1.5, 0.5, 1, -1, -0.5, 0.5.

a. To compute the mean and standard deviation for the sample, we follow these steps:

Calculate the mean (average)

Mean = (sum of all scores) / (number of scores)

Mean = (5 + 0 + 4 + 5 + 1 + 2 + 4) / 7

Mean = 21 / 7

Mean = 3

The mean of the sample is 3.

Calculate the standard deviation

The formula for standard deviation for a sample is given by:

Standard deviation = sqrt((sum of squared differences from the mean) / (number of scores - 1))

First, calculate the squared differences from the mean for each score:

(5 - 3)^2 = 4

(0 - 3)^2 = 9

(4 - 3)^2 = 1

(5 - 3)^2 = 4

(1 - 3)^2 = 4

(2 - 3)^2 = 1

(4 - 3)^2 = 1

Next, sum up these squared differences:

4 + 9 + 1 + 4 + 4 + 1 + 1 = 24

Now, divide this sum by (number of scores - 1):

24 / (7 - 1) = 24 / 6 = 4

Finally, take the square root of this result:

Standard deviation = sqrt(4) = 2

The standard deviation of the sample is 2.

b. To find the z-score for each score in the sample, we use the formula:

z = (X - Mean) / Standard deviation

For each score, we substitute the values into the formula:

X = 5, z = (5 - 3) / 2 = 2 / 2 = 1

X = 0, z = (0 - 3) / 2 = -3 / 2 = -1.5

X = 4, z = (4 - 3) / 2 = 1 / 2 = 0.5

X = 5, z = (5 - 3) / 2 = 2 / 2 = 1

X = 1, z = (1 - 3) / 2 = -2 / 2 = -1

X = 2, z = (2 - 3) / 2 = -1 / 2 = -0.5

X = 4, z = (4 - 3) / 2 = 1 / 2 = 0.5

The z-scores for each score in the sample are:

z = 1, z = -1.5, z = 0.5, z = 1, z = -1, z = -0.5, z = 0.5

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The equation of the conic section in conic form is (x - 1) = (y + 6)²/4.

To write the equation of the conic section in conic form, we can complete the square to transform the equation into its standard form. Let's start with the given equation:

y² - 4x + 12y + 32 = 0

Rearranging the terms, we have:

y² + 12y - 4x + 32 = 0

To complete the square for the y-terms, we add and subtract the square of half the coefficient of y (which is 6 in this case):

y² + 12y + 36 - 36 - 4x + 32 = 0

Simplifying this, we get:

(y + 6)² - 4x + 4 = 0

Now, rearranging the terms, we have:

(y + 6)² = 4x - 4

Dividing both sides of the equation by 4, we get:

(y + 6)²/4 = x - 1

Finally, we can write the equation in conic form:

(x - 1) = (y + 6)²/4

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The Probable question may be:
Which type of conic section is defined by the equation y²-4x+12y + 32 = 0?

This is an equation of a parabola

Write the equation of this conic section in conic form:

Step-by-step explanation:

To find the difference in total revenue projected by the two models over the six-year period ending at t = 5, we need to calculate the revenue for each model from t = 0 to t = 5 and subtract the results.

For R1:

R1 = 7.23 + 0.25t + 0.03t^2

Substituting t = 5:

R1(5) = 7.23 + 0.25(5) + 0.03(5^2)

R1(5) = 7.23 + 1.25 + 0.75

R1(5) = 9.23 + 0.75

R1(5) = 9.98 million dollars

For R2:

R2 = 7.23 + 0.1t + 0.01t^2

Substituting t = 5:

R2(5) = 7.23 + 0.1(5) + 0.01(5^2)

R2(5) = 7.23 + 0.5 + 0.25

R2(5) = 7.73 + 0.25

R2(5) = 7.98 million dollars

To find the difference, we subtract R2(5) from R1(5):

Difference = R1(5) - R2(5)

Difference = 9.98 - 7.98

Difference = 2 million dollars

Therefore, the model R1 projects 2 million dollars more in total revenue than R2 over the six-year period ending at t = 5.

The period of the frequency factor b that is given in the diagram above would be = 0.2 sec.

The frequency of a water wave is defined as the number of times the wave completes a cycle within a given period of time. While the period is the time it takes for the completion of a cycle.

The dot the represents the frequency factor b is the green dot on the wave table. Therefore the period as traced from the graph= 0.2 sec.

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The mapping shown does not represents a function

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

The mapping

From the mapping, we have

(1, 7), (8, 3), (8, -1) and (3, 0)

The above ordered pair is not a function

This is so because the input value 8 have different output values 3 and -1

i.e. it would not pass the vertical line test when represented on a graph

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The vessel in distress is located at (-x, y), with the exact coordinates depending on the specific distances and positions of ships A and B.

To determine the location of the vessel in distress, we can analyze the information given about the distress signals received by ships A and B.

Ship A received a distress signal from the northeast, while Ship B received a distress signal from the west.

Let's consider the compass directions:

Northeast (NE) is a direction that lies between north and east.

West (W) is a direction perpendicular to both north and south.

From this information, we can deduce that the vessel in distress must be located at the intersection of the northeast and west directions.

To find this intersection point, we can draw a diagram or use a coordinate system. Let's assume the origin (0,0) represents the starting point of both ships A and B.

Based on the given information, we know that ship A received a distress signal from the northeast. This means that the vessel in distress must be located in the direction of the positive x-axis (east) and the positive y-axis (north) from the origin.

On the other hand, ship B received a distress signal from the west. This indicates that the vessel in distress must be located in the direction of the negative x-axis (west) from the origin.

Combining these two pieces of information, we can conclude that the vessel in distress is located at the point where the positive y-axis (north) intersects with the negative x-axis (west). In coordinate notation, this point can be represented as (-x, y), where x and y are positive values.

Therefore, the vessel in distress is located at (-x, y), with the exact coordinates depending on the specific distances and positions of ships A and B.

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The density of lead is 11,300 kg/[tex]m^3[/tex], which means that lead is a dense material with a significant mass per unit volume.

To find the density of lead, we can use the formula:

Density = Mass / Volume

Given that the mass of lead is 3,390 kg and the volume is 0.3 [tex]m^3[/tex], we can substitute these values into the formula:

Density = 3,390 kg / 0.3[tex]m^3[/tex]

To simplify the calculation, we divide the mass by the volume:

Density = 11,300 kg/[tex]m^3[/tex]

Therefore, the density of lead is 11,300 kg/[tex]m^3[/tex].

Density is a physical property of a substance that describes how much mass is packed into a given volume. In this case, the density of lead tells us that for every cubic meter of lead, there are 11,300 kilograms of mass.

It is important to note that the density of lead is a characteristic property and remains constant regardless of the size or shape of the sample. It is a useful parameter in various scientific and industrial applications.

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The question probable may be:

If 3,390 kg of lead occupy a volume of 0.3 m^3, find the density of lead.

Answer:

D. 1/2

Step-by-step explanation:

9^x - 1 = 2

9^x = 3

x = log{sub}9 (3)

x = 1/2 (9^(1/2)=3)

The best estimate for the amount of juice Barry made is 235 cups.

In this question, Jessica and Barry squeezed oranges for juice. Jessica squeezed 235 cups of juice. Barry made 14 cups less than Jessica. Barry estimated that Jessica squeezed about 212 cups of juice. We need to find the best estimate for the amount of juice Barry made.

Let's begin by finding the amount of juice Barry actually made. Barry made 14 cups less than Jessica, which means he made: 235 - 14 = 221 cups of juice.

Now, let's compare this to Barry's estimate. Barry estimated that Jessica squeezed about 212 cups of juice. Since Jessica actually squeezed 235 cups of juice, her estimate was too low by:235 - 212 = 23 cups.

So, we can apply this error to Barry's estimate to get a better estimate for the amount of juice he made. If Barry's estimate was 212 cups, and he underestimated by 23 cups, then he actually made:212 + 23 = 235 cups of juice. Therefore, the best estimate for the amount of juice Barry made is 235 cups.

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Answer:

0

Step-by-step explanation:

theres only 2 people each district

Using the property of vertical angles, the value of x is 24 degrees

Vertical angles are a pair of non-adjacent angles formed by the intersection of two lines. They are opposite each other and share a common vertex, but they are not adjacent angles.

When two lines intersect, they form four angles at the point of intersection. The vertical angles are the angles that are directly across from each other and are formed by opposite pairs of intersecting lines. In other words, if you draw a line segment connecting the vertices of the vertical angles, it will divide the intersection into two pairs of congruent angles.

The property of vertical angles is that they have equal measures. This means that if one vertical angle measures a certain number of degrees, the other vertical angle will also measure the same number of degrees.

In this problem, to find the value of x, we have to use the property of vertical angles which states that vertical angles are equal to one another.

This implies that ∠ABC = DBE

3x - 14 = 2x + 10

Collect like terms

3x - 2x = 10 + 14

x = 24°

The answer is option D.

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Answer:

The person must score 136 to be in the top 5% of all scores in wechsler adult intelligence scale.

Step-by-step explanation:

What is defined as the normal distribution?

A normal distribution is a data set arrangement in which the majority of values cluster inside the center of the range and the remainder taper off symmetrically toward any extreme.

A histogram inside a normal distribution curve is sometimes used to design the curve.

The formula for the normal distribution is;

z = (x - μ)/σ

where,

z = z- score, taken fro table

Mean μ = 110

Standard deviation σ = 15

Sample mean x.

If we want to be in the top 5%, we must outperform 95% of the remaining scores. So we must investigate.

In with us standard normal probability table, look up 0.95 and get the Z score that corresponds to that.

z = 1.7

Put the value in formula ad find x.

1. 7 = (x - 110)/15

x = 25.5 + 110

x = 135.5

x = 136 (whole number)

Thus, the person must score 136 to be in the top 5% of all scores in wechsler adult intelligence scale.

Answer:

11? I'm so sorry if it's incorrect. I apologize.

[tex](21a^6b^5) / (7a^3b)[/tex] simplifies to [tex]3a^3b^4.[/tex]

We can use the rules of exponents and simplify the terms with the same base.

Dividing the coefficients: 21 / 7 = 3.

For the variables, you subtract the exponents: [tex]a^6 / a^3 = a^(^6^-^3^) = a^3.[/tex]

Similarly,[tex]b^5 / b = b^(5-1) = b^4[/tex].

Putting it all together, the simplified expression is:

[tex]3a^3b^4.[/tex]

Therefore, [tex](21a^6b^5) / (7a^3b)[/tex] simplifies to [tex]3a^3b^4.[/tex]

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2 5 7 ÷ 4 5 6 3

- 2 5 7

1993

- 1 7 9 9

Answer:

194

The correct answer is c) =, because the fraction four eighths is equal to the fraction two fourths.

To determine which symbol should go in the box to make the equation true, let's analyze the fractions given and compare their values.

The fraction "two fourths" can be simplified to "one-half" since both the numerator and denominator can be divided by 2. Therefore, "two fourths" is equal to "one-half."

Now, let's look at the fraction "four eighths." We can simplify this fraction by dividing both the numerator and denominator by 4, which gives us "one-half" as well. So, "four eighths" is also equal to "one-half."

Now, based on the given fractions, we have the equation:

(one-half) [BOX] (one-half)

We need to determine the correct symbol to fill in the box.

Looking at the values of the fractions, we see that both "two fourths" and "four eighths" are equivalent to "one-half." Therefore, the correct symbol to make the equation true is the equality symbol (=).

Hence, the correct answer is:

c) =, because the fraction four eighths is equal to the fraction two fourths.

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Answer:

2π(5)(10) = 100π yd² = about 314 yd²

B is the correct answer.

Answer:

Incomplete Question

Answer:

ok t means some thing but zero and seven should be solved

X = 4√6 because the tangent of 35 degrees is equal to X/8 in the first right triangle and 12/X in the second right triangle.

We have two right triangles with an angle of 35 degrees and side lengths of 8 units and 12 units.

To explain why X = 12, we can use the trigonometric ratio of tangent (tan). In a right triangle, the tangent of an angle is defined as the ratio of the length of the opposite side to the length of the adjacent side.

In the first right triangle, the side opposite to the angle of 35 degrees is X, and the adjacent side is 8 units. So, we have:

tan(35 degrees) = X / 8

Similarly, in the second right triangle, the side opposite to the angle of 35 degrees is 12 units, and the adjacent side is X. So, we have:

tan(35 degrees) = 12 / X

Since the tangent of an angle is the same regardless of the orientation of the triangle, we can equate the two ratios:

X / 8 = 12 / X

To solve for X, we can cross-multiply:

X^2 = 8 * 12

X^2 = 96

Taking the square root of both sides, we get:

X = √96

Simplifying, we have:

X = 4√6

Therefore, X is equal to 4 times the square root of 6.

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Answer:

h = 12 units

Step-by-step explanation:

The formula for the area of a parallelogram is given by:

A = bh, where

Thus, the base is 6 units.  We can find the height by dividing the area by 6:

A = bh

72 = 6h

72/6 = h

12 = h

Thus, the height of the parallelogram is 12 units.

The asymptotic distribution of the estimator S(X₁, ..., Xₙ) is a standard normal distribution, denoted as N(0, 1).

To find the asymptotic distribution of the estimator S(X₁, ..., Xₙ), we can use the Central Limit Theorem (CLT). However, we need some additional assumptions to apply the CLT, such as the finite variance of the random variables.

Given that E(Xᵢ^k) = αₖ for all k, we can assume that the random variables Xᵢ have a finite variance. Let's denote the variance of Xᵢ as Var(Xᵢ) = σ².

First, let's simplify the estimator S(X₁, ..., Xₙ):

S(X₁, ..., Xₙ) = 1 / (1/n ∑ᵢ (Xᵢ - c)²)

Notice that the numerator is a constant and doesn't affect the asymptotic distribution. So, we can focus on analyzing the denominator.

Let's calculate the expected value and variance of the denominator:

E[1/n ∑ᵢ (Xᵢ - c)²] = 1/n ∑ᵢ E[(Xᵢ - c)²] = 1/n ∑ᵢ (Var(Xᵢ) + E[Xᵢ]² - 2cE[Xᵢ] + c²)

= 1/n (nσ² + α₁ - 2cα₁ + c²) (using the fact that E[Xᵢ] = α₁ for all i)

Var[1/n ∑ᵢ (Xᵢ - c)²] = 1/n² ∑ᵢ Var[(Xᵢ - c)²] = 1/n² ∑ᵢ (Var(Xᵢ - c)²) = 1/n² ∑ᵢ (Var(Xᵢ))

= 1/n² (nσ²) = σ²/n

Now, let's apply the CLT. According to the CLT, if we have a sequence of independent and identically distributed random variables with a finite mean (μ) and a finite variance (σ²), the sample mean (in this case, our denominator) converges in distribution to a standard normal distribution as the sample size approaches infinity.

Therefore, as n approaches infinity, the asymptotic distribution of S(X₁, ..., Xₙ) will follow a standard normal distribution.

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The center of the ellipse defined by the equation 9x^2 + 4y^2 + 18z - 23 = 0 is (0, 0, 0).

9x^2 + 4y^2 + 18z - 23 = 0 must be rearranged to its standard form in order to determine the location of the ellipse's centre. The ellipse equation has the following standard form:

(x - h)^2/a^2 + (y - k)^2/b^2 + (z - l)^2/c^2 = 1,

where (h, k, l) represents the center of the ellipse, and a, b, and c are the semi-major, semi-minor, and semi-vertical axes, respectively.

Let's rearrange the given equation to match the standard form:

9x^2 + 4y^2 + 18z - 23 = 0

Dividing by 23 to simplify the equation:

(9x^2)/23 + (4y^2)/23 + 18z/23 - 1 = 0

Now, we can rewrite the equation as:

(9x^2)/23 + (4y^2)/23 + 18z/23 = 1

Comparing this with the standard form, we can identify the values of a, b, and c:

a^2 = 23/9

b^2 = 23/4

c^2 = 23/18

Taking the square roots of these values:

a ≈ √(23/9) ≈ 1.53

b ≈ √(23/4) ≈ 1.92

c ≈ √(23/18) ≈ 1.23

Therefore, the semi-major axis (a) is approximately 1.53, the semi-minor axis (b) is approximately 1.92, and the semi-vertical axis (c) is approximately 1.23.

The center of the ellipse is represented by the values (h, k, l). Since the equation does not involve any shifts or translations, the center is located at the origin (0, 0, 0).

As a result, (0, 0, 0) is the centre of the ellipse formed by the equation (9x2 + 4y2 + 18z - 23 = 0).

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Answer:

Center: (-3, 1)

Step-by-step explanation:

The center of an ellipse is always the point that is equidistant from the two foci and the two vertices.

In order to find the center of the ellipse, we can complete the square in both the x and y terms.

First, we move the constant term to the right side of the equation:

[tex]9x^2+18x + 4y^2-8y = 23[/tex]

The coefficient of x is 18, so half of it is 9, and squaring that gives us 81. Adding 81 to both sides of the equation gives us:

[tex]9x^2+18x + 81 = 23 + 81[/tex]

which combines the terms in x into a squared term:

[tex](9x+9)^2 = 104[/tex]

Similarly:

[tex]4y^2-8y + 4 = 23 + 4[/tex]

which combines the terms in y into a squared term:

[tex](2y-2)^2 = 27[/tex]

Now that we have completed the square in both x and y, we can write the equation in standard form for an ellipse:

[tex]\frac{(x+3)^2}{11^2} + \frac{(y-1)^2}{3^2} = 1[/tex]

The standard form for an ellipse is:

[tex]\boxed{\bold{\frac{(x-h)^2}{a^2} +\frac{ (y-k)^2}{b^2} =1 }}[/tex]

where (h, k) is the center of the ellipse, a is the radius in the x-direction, and b is the radius in the y-direction.

In the equation for our ellipse, (h, k) = (-3, 1).

So the center of the ellipse is at the point (-3, 1).

In the nearest tenth, this is (-3.0, 1.0).

The area of the figure is 114 square units.

To determine the area of the figure, we need to identify its shape.

From the given dimensions, it appears that we have three rectangular sections.

The first section has a length of 3 units and a width of 8 units, giving us an area of 3 [tex]\times[/tex] 8 = 24 square units.

The second section has a length of 3 units and a width of 9 units, resulting in an area of 3 [tex]\times[/tex] 9 = 27 square units

The third section has a length of 3 units and a width of 21 units, yielding an area of 3 [tex]\times[/tex] 21 = 63 square units.

To find the total area of the figure, we need to sum up the areas of the individual sections:

Total area = 24 + 27 + 63 = 114 square units.

Therefore, the area of the figure is 114 square units.

It's important to note that without a clear description or diagram of the figure, it's challenging to provide an accurate interpretation.

The given dimensions could represent various arrangements, and the resulting area would vary accordingly.

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