Indicate the equation of the given line in standard form, writing the answer below.
The line that is the perpendicular bisector of the segment whose endpoints are R(-1,6) and S(5,5).

Answer: The integral of the function y = cos(x) from x = k to x = π/2 represents the area under the curve of the function between those limits. We can evaluate this integral as follows:

∫[k, π/2] cos(x) dx = sin(k) - sin(π/2) = sin(k) - 1

We are given that this area is 0.1, so we can write:

0.1 = sin(k) - 1

Adding 1 to both sides gives:

1.1 = sin(k)

To solve for k, we take the inverse sine (or arcsine) of both sides, keeping in mind that k is between 0 and π/2:

k = arcsin(1.1)

However, arcsin(1.1) is not a real number since the sine function is only defined between -1 and 1. Therefore, there is no value of k that satisfies the given conditions.

Answer: 7 tens and 6 ones

Step-by-step explanation: 76 is two numbers, with a 7 in the tens place and a 6 in the ones place.

76 can be represented as 7 tens and 6 ones or as 6 tens and 16 ones. This involves understanding the place value of digits in a number and knowing that a ten can be broken down into ones.

The number 76 can be broken down into tens and ones in multiple ways. First, let's understand what tens and ones mean in the context of a number. In the number 76, '7' is the tens place, and '6' is the ones place, meaning there are 7 tens (70) and 6 ones (6) making up 76.

One way to show 76 with tens and ones is to say that there are 7 tens and 6 ones. This is a very direct method where we just count the number of tens and ones in the number.

Another way we could break down 76 is to say there are 6 tens and 16 ones. This method involves taking one of the tens and breaking it down into 10 ones, giving us a total of 6 tens and 16 ones.

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Answer:

8+15+32+45= 100 minutes, or an hour and 40 minutes

In summary, the equation for the tangent plane can be written as z - z0 = ∂f/∂x(x0, y0)(x - x0) + ∂f/∂y(x0, y0)(y - y0), where (x0, y0, z0) represents the coordinates of the given point. This equation represents a linear approximation of the surface near the point of tangency.

To understand the equation for the tangent plane, we start by considering the first-order partial derivatives of the function f(x, y) with respect to x and y. These partial derivatives, denoted as ∂f/∂x and ∂f/∂y, represent the rates of change of the surface with respect to x and y, respectively. At the point (x0, y0), the tangent plane approximates the behavior of the surface near that point.

The equation for the tangent plane is derived by using the point-slope form of a linear equation, where the slope of the plane in the x-direction is given by ∂f/∂x(x0, y0) and in the y-direction by ∂f/∂y(x0, y0). The equation is then written as z - z0 = ∂f/∂x(x0, y0)(x - x0) + ∂f/∂y(x0, y0)(y - y0), which relates the changes in x and y coordinates to the change in z-coordinate on the tangent plane.

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Countless symmetry axis of a parabola is vertical line which divides the parabola into two congruent halves.

The axis of symmetry always passes through vertex of parabola. These will cause the plane to divide into two parts.

The geometric shape may have countless symmetry axis. This actually divides the shape into two halves and creates a mirror like effect.

The x-coordinate of vertex is equation of axis symmetry of parabola. Lets say if we take an example of quadratic equation which is ,

y = ax^2 + bx + c , here in this equation the axis of symmetry is vertical line which is x = - b^2 a

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I need help on it too. Can any one help me find the answer

Statement a), b) and d) are false for domain of real numbers. Statement c) is true for domain of real numbers.

The given statement is false, for the domain of real numbers. This is because if x is any real number then the square of x cannot be negative (that is, x^2≥0 for all x∈R). Hence, x(x²=-1) does not have a solution in the domain of real numbers. The given statement is false for the domain of real numbers. This is because there is no real number x such that x>x^1 because every real number raised to the power 1 is the same as the real number. Therefore, x cannot be greater than itself. The given statement is true for the domain of real numbers. This is because if x is any real number, then: (-x)^3=-x(-x)^2=-x(x.x)=-(x^2). x=-x2=-x. Hence, (-x)^3=-x.    

The given statement is false for the domain of real numbers. This is because if x is any negative number, then the inequality 2xx^1, as every real number raised to the power 1 is the same as the real number itself.

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The final factorized form of the expression (a - b) (x²-7) - (a - b) (4x + 5) is:(a - b) (x - 6) (x + 2)

Given expression is (a - b) (x²-7) - (a - b) (4x + 5).Here, (a - b) is a common factor in the given expression. We can factor out (a - b) as follows:(a - b) (x²-7) - (a - b) (4x + 5) = (a - b) [(x² - 7) - (4x + 5)] = (a - b) (x² - 4x - 12)Next, we can further factorize the expression x² - 4x - 12 as follows:x² - 4x - 12 = (x - 6) (x + 2)

Therefore, the final factorized form of the expression (a - b) (x²-7) - (a - b) (4x + 5) is:(a - b) (x - 6) (x + 2) - this is the answer.

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Answer:

D. <15/√346>

Have a nice day! :)

Answer:

Yessir he's coming soon

Step-by-step explanation:

The given statement "the work done by f to move a particle along an oriented curve is the line integral of f along this curve" is true.

The work done by a force vector field F to move a particle along an oriented curve is given by the line integral of F along that curve. The line integral represents the sum of the dot products between the force vector field F and the tangent vectors to infinitesimal line segments along the curve.

Mathematically, the work done W is expressed as:

W = ∮ F · dr,

where ∮ represents the line integral, F is the force vector field, dr is the differential displacement vector along the curve, and the dot product (·) indicates vector multiplication.

The line integral takes into account both the magnitude and direction of the force field along the curve, allowing us to calculate the total work done by the force as the particle moves along the path.

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The following qquestion may be like this:

recall that the work done by f to move a particle along an oriented curve is the line integral of f along this curve. True or False.

The system of equations that matches the given graph is:

A. 3x - 6y = 12

9x - 18y = 36

To determine which system of equations matches a given graph, we need to analyze the slope and intercepts of the lines in the graph.

Looking at the options provided:

A. 3x - 6y = 12

9x - 18y = 36

B. 3x + 6y = 12

9x + 18y = 36

Let's analyze the equations in each option:

For option A:

The first equation, 3x - 6y = 12, can be rearranged to slope-intercept form: y = (1/2)x - 2.

The second equation, 9x - 18y = 36, can be simplified to 3x - 6y = 12, which is the same as the first equation.

In option A, both equations represent the same line, as they are equivalent. Therefore, option A does not match the given graph.

For option B:

The first equation, 3x + 6y = 12, can be rearranged to slope-intercept form: y = (-1/2)x + 2.

The second equation, 9x + 18y = 36, can be simplified to 3x + 6y = 12, which is the same as the first equation.

In option B, both equations also represent the same line, as they are equivalent. Therefore, option B does not match the given graph.

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We are given that the length of a rectangle is 3 inches greater than the width.

Let us draw a rectangle and label the width and length.

Part A:

Let the width of the rectangle is x inches.

Then the length of the rectangle is (x + 3) inches.

Now recall that the area of a rectangle is given by

Where L is the length and W is the width of the rectangle.

Therefore, the above polynomial represents the area of the rectangle.

Part B:

We are given that the width is 4 inches.

Substitute the width (x = 4) into the equation of the area that we found in part A.

Therefore, the area of the rectangle is 28 square inches.

it is important to consider the potential for intra-cluster similarity, as individuals within the same cluster may be more similar to each other than to individuals in other clusters.

A cluster sample is a sampling technique where the population is divided into clusters or groups, and a subset of clusters is selected at random to form the overall sample. In this type of sampling, all members of the selected clusters are included in the sample.

In the given example, the airline company selects 555 flights as clusters and surveys every passenger on those flights. Each flight represents a cluster, and by selecting random flights, the company includes every passenger on those selected flights in the survey.

This cluster sampling approach is suitable when each group or cluster is representative of the overall population. It is useful when it is impractical or costly to sample every individual unit within the population, but the selected clusters are expected to reflect the characteristics of the entire population.

Cluster sampling allows for more practical data collection, particularly when dealing with large populations or geographically dispersed units. However, it is important to consider the potential for intra-cluster similarity, as individuals within the same cluster may be more similar to each other than to individuals in other clusters.

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Answer:

12.5

Step-by-step explanation:

2/1 =2

25/2 =12.5ft

Given:

Point F,G,H are midpoints of the sides of the triangle CDE.

\(FG=9,GH=7,CD=24\)

To find:

The perimeter of the triangle CDE.

Solution:

According to the triangle mid-segment theorem, the length of the mid-segment of a triangle is always half of the base of the triangle.

FG is mid-segment and DE is base. So, by using triangle mid-segment theorem, we get

\(\dfrac{1}{2}DE=FG\)

\(DE=2(FG)\)

\(DE=2(9)\)

\(DE=18\)

GH is mid-segment and CE is base. So, by using triangle mid-segment theorem, we get

\(\dfrac{1}{2}CE=GH\)

\(CE=2(GH)\)

\(CE=2(7)\)

\(CE=14\)

Now, the perimeter of the triangle CDE is:

\(Perimeter=CD+DE+CE\)

\(Perimeter=24+18+14\)

\(Perimeter=56\)

Therefore, the perimeter of the triangle CDE is 56 units.

Answer:

The proportion that can be used to estimate the height of the tree is option;

A. \(\dfrac{h}{12} = \dfrac{6}{5}\)

Step-by-step explanation:

The given parameters in the question are;

The medium through which the person looks at the top of the tree = A mirror

The angle formed by the person and the tree with the ground = Right angles = 90°

The distance of the person from the mirror, d₁ = 5 ft.

The height of the person, h₁ = 6 ft.

The distance of the tree from the mirror, d₂ = 12 ft.

The angle formed by the incident light from the tree on the mirror, θ₁ = The angle of the reflected light from the mirror to the person, θ₂

Let 'A', 'B', 'M', 'T', and 'R' represent the location of the point at the top of the person's head, the location of the point at the person's feet, the location of the mirror, the location of the top of the tree and the location of the root collar of the tree, we have;

TR in ΔMRT = The height of the tree = h, and right triangles ΔABM and ΔMRT are similar

The corresponding legs are;

The height of the person and the height of the tree, which are AB = 6 ft. and TR = h, respectively

The distances of the person and the tree from the mirror, which are BM = 5 ft. and MR = 12 ft. respectively

∴ The angle formed by the incident light from the tree on the mirror, θ₁ = ∠TMR

The angle of the reflected light from the mirror to the person, θ₂ = ∠AMB

Given that θ₁ = θ₂, we have;

tan(θ₁) = tan(θ₂)

∴ tan(∠TMR) = tan(∠AMB)

\(tan\angle X = \dfrac{Opposite \ leg \ length \ to \ reference \ angle}{Adjacent \ leg \ length \ to \ reference \ angle}\)

\(tan(\angle TMR) = \dfrac{TR}{MR} = \dfrac{h}{12}\)

\(tan(\angle AMB) = \dfrac{AB}{BM} = \dfrac{6}{5}\)

From tan(∠TMR) = tan(∠AMB), we have;

\(\dfrac{h}{12} = \dfrac{6}{5}\)

\(\therefore h = \dfrac{6 \, ft.}{5 \, ft.} \times 12 \, ft. = 14.4 \, ft.\)

The height of the tree, h = 14.4 ft.

Therefore, from the proportion \(\dfrac{h}{12} = \dfrac{6}{5}\) the height of the tree can be estimated.

Answer:

If half the students scored 42 and some scored 53, the median must be (53 + 42)/2 = 47.5.

If the other half all scored 53, the mean would be the same, but the few 78s is going to raise the mean.

The mode is 42.

i hope it helps you

The mean is greater than the median. Then the correct option is B.

Statistics is the study of collection, analysis, interpretation, and presentation of data or to discipline to collect, and summarise the data.

In a mathematics class, half of the students scored 42 on an achievement test.

With the exception of a few students who scored 78, the remaining students scored 53.

We know that if the half of data is the same and the remaining data is greater than that data.

Then the mean is greater than the median.

Then the correct option is B.

The complete options of the question is attached below.

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Answer:

the temperature fell 4* every hour

Step-by-step explanation:

Find the area of the triAngle then multiply by the height of the prism:

Area of triangle = 1/2 x base x height:

Area = 1/2 x 3 x 4 = 6 square ft.

Volume = 6 x 3 = 18 cubic feet

The answer is 18 cubic feet.

Answer:

Yes they’re independent.

Step-by-step explanation:

This type of research aims to provide an in-depth understanding of the group's cultural context and the ways in which its members make sense of their world.

If you observe a group in order to determine its norms, values, rules, and meanings, you are engaging in qualitative research, specifically ethnographic research. Ethnographic research is a methodological approach that involves immersing oneself in a particular social group or culture to gain a deep understanding of their beliefs, behaviors, and practices.

Through participant observation, the researcher becomes an active member of the group, observing their interactions, rituals, and social dynamics. This method allows for the collection of rich, detailed data about the group's norms, values, rules, and meanings. By spending a significant amount of time with the group, the researcher can uncover the underlying cultural patterns that guide the group's behavior and decision-making processes.

Ethnographic research involves a holistic and interpretive approach, focusing on capturing the subjective experiences and perspectives of the group members. It often includes methods such as interviews, field notes, and audiovisual recordings to document and analyze the data.

Overall, this type of research aims to provide an in-depth understanding of the group's cultural context and the ways in which its members make sense of their world.

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The solution of the quadratic equation using the Shri dharacharya formula is 0.31 and negative of 1.81.

It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation.

The quadratic expression is (4x + 3)² = 18

On solving, we have

(4x + 3)² = 18

(4x + 3) = √18

        4x = - 3 ± √18

          x = -3 ± √18 / 4

          x = 0.31, -1.81

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To get this answer, we'll use the cosine ratio

cos(angle) = adjacent/hypotenuse

cos(A) = AC/AB

cos(35) = b/c

cos(35) = b/280

280*cos(35) = b

b = 280*cos(35)

b = 229.362572400918

b = 229

When you use your calculator, make sure it's in degree mode.

Answer:

They were 44 inches

Step-by-step explanation:

Good evening,

Answer: approximatively 49,3 / 49 inches tall (read below).

Step-by-step explanation:

Well to calculate a percentage out of number you multiply the number by the percentage and divide the product by 100.

12x56=672 ; 672:100=6,72

If you want to round to the tenths digit, you will get the following result: 6,72 ≈ 6,7 ; 56-6,7= 49,3 inches.

If you want to round to the units digit, you will get the following result: 6,72 ≈ 7 ; 56-7= 49 inches.

*Note: It is correct and actually simpler to write 12x56/100=6,72. I just detailed the operation here.