pls help :) plssssss

To construct the frequency distribution diagram for the given shaft diameters, we can first list the unique values in ascending order along with their frequencies:

Diameter Frequency

2.50 2

2.51 2

2.52 3

2.53 2

2.54 3

2.55 1

5.51 2

5.52 4

5.53 1

5.54 1

5.55 1

5.56 1

The diagram can be represented as:

Diameter | Frequency

2.50-2.51 | 4

2.52-2.53 | 5

2.54-2.55 | 4

5.51-5.52 | 6

5.53-5.54 | 2

5.55-5.56 | 2

This frequency distribution diagram provides a visual representation of the frequency of each diameter range in the data set.

In-process monitoring of surface finish refers to the methods used to assess and control the quality of a surface during the manufacturing process. There are several different methods of in-process monitoring of surface finish:

Surface Roughness Measurement: This method involves measuring the roughness of the surface using instruments such as profilometers or roughness testers. The roughness parameters provide quantitative measurements of the surface texture.

Visual Inspection: Visual inspection is a subjective method where trained inspectors visually examine the surface for any imperfections, such as scratches, cracks, or unevenness. This method is often used in conjunction with other measurement techniques.

Non-contact Optical Measurement: Optical techniques, such as laser scanning or interferometry, are used to measure the surface profile without physical contact. These methods provide high-resolution measurements and are suitable for delicate or sensitive surfaces.

Contact Measurement: Contact-based methods involve using instruments with a stylus or probe that physically touches the surface to measure parameters like roughness, waviness, or flatness. Examples include stylus profilometers and coordinate measuring machines (CMMs).

In-line Sensors: In some manufacturing processes, in-line sensors are integrated into the production line to continuously monitor surface finish. These sensors can provide real-time data and trigger alarms or adjustments if the surface quality deviates from the desired specifications.

The choice of method depends on factors such as the desired level of accuracy, the nature of the surface being monitored, the manufacturing process, and the available resources. Using a combination of these methods can provide comprehensive monitoring of surface finish during production.

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Answer:

????hold on I brb let me think right quick

Answer:

-7/3 , -3/4 , 0.5 , 2/3, 1.2 this is the answer according to me

Answer:

The answer is 1,136

Answer:

20/89

Step-by-step explanation:

The question wants the student from Gryffindor. So we will take the total of the Gryffindor student only is 178

Then they want the student who has owl then is 40.

So you use 40/178

And get the simple fraction 20/89

Answer:

C) g(x) = f(x) + 4

Step-by-step explanation:

A vertical shift is where you shift, slide or translate the whole graph up or down (on a graph) The way this shows up in the equation is just a number tacked on to the end of the equation. A +anumber (like the +4 in the answer) slides the function UP four units. A

-anumber would slide the function DOWN instead.

As for the other answers:

A) the 3multiplied in front is a vertical STRETCH.

D) the 1/2 multiplied in front is a vertical shrink (smash)

B) The -3 in close tight with the x is a horizontal shift(slide, translate) It is a RIGHT shift. A +anumber would be a LEFT shift. Horizontal shift seem kind of backwards. + goes LEFT and - goes RIGHT.

Answer: Yes

Step-by-step explanation: 2 x 10 = 20, then add the 5 to get 25, which is larger then 23 :)

The angle that the vector makes with the positive x-axis is approximately 32 degrees. To find the angle that the vector makes with the positive x-axis, we can use the formula.

θ = arctan(A_y / A_x)

where A_x is the x-component of the vector and A_y is the y-component of the vector.

In this case, A_x = 26 m and A_y = 16 m. Plugging these values into the formula, we have:

θ = arctan(16 / 26)

Using a calculator, the approximate value of θ is 32.2 degrees.

Therefore, the angle that the vector makes with the positive x-axis is approximately 32 degrees.

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Answer:

what are the letters and numbers by the trapezoid i need them to solve it

Step-by-step explanation:

Answer:

answer 21 m2

Step-by-step explanation:

Area of a trapezoid

side a

5

parallel a,b

side b

9

height h

3

22 digit

area S

21    

Answer:

The slope of the pile of sand is 0.5

Step-by-step explanation:

Since slope = vertical distance/horizontal distance.

Here, the vertical distance from the pile's peak to its base is 2.5 meters and the horizontal distance from its peak to its edge  is 5 meters.

So, we calculate the slope as

slope = vertical distance/horizontal distance where vertical distance = vertical distance from the pile's peak to its base = 2.5 meters and horizontal distance = horizontal distance from its peak to its edge  = 5 meters.

slope = vertical distance/horizontal

slope = 2.5 meters/5 meters

slope = 0.5

So, the slope of the pile of sand is 0.5

Answer:

im just tryna get points  

Step-by-step explanation:

Answer: Hope This Helps!

Step-by-step explanation:

Statistic Definition: A mathematical science concerned with data collection, presentation, analysis, and interpretation

Examples: "Statistics is the only mathematical field required for many social sciences." and "The statistics from the Census for apportionment are available."

Answer:

17.6 ft

Step-by-step explanation:

tan 37 = 130/x

x = 130/tan 37 = 130/0.7536 = 172.5 feet

tan 40 = 130/y

y = 130/tan 40 = 130/0.8391 = 154.9

172.5 - 154.9 = 17.6 ft

Answer:

17.6 Ft

Step-by-step explanation:

Geometry B E2020!! :3

The value of expression \(4^\frac{1}{3}\) × \(4^\frac{1}{5}\)  is \(4^\frac{8}{15}\).

Given,

In the question:

\(4^\frac{1}{3}\) × \(4^\frac{1}{5}\)

To solve the above given by using the product of powers property

and, Simplify the numeric expression.

The expression is as follows:

\(4^\frac{1}{3}\) × \(4^\frac{1}{5}\)

The property to be used is : \(x^a.x^b = x^a^+^b\)

This property is valid if the base is same. Here, base is x.

In this given problem, x = 4, a = 1/3 and b = 1/5.

And, plug the values of above property:

\(4^\frac{1}{3}\) × \(4^\frac{1}{5}\) = \(4^\frac{1}{3}^+^\frac{1}{5}\)

          =   \(4^\frac{5+3}{15}\)

           = \(4^\frac{8}{15}\)

Hence, The value of expression \(4^\frac{1}{3}\) × \(4^\frac{1}{5}\)  is \(4^\frac{8}{15}\).
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The equation that Rae should use to determine the width of a pen is 280 = w(w + 6)

A quadrilateral is a polygon that has four sides and four angles. Types of quadrilateral are kite, rhombus, rectangle, square, parallelogram.

A rectangle is a quadrilateral in which opposite sides are equal and parallel to each other. Each angle measure 90 degrees and diagonals bisect each other.

The area of rectangle is:

area = length * width

Let w represent the width of the rectangle

Given that length is 6 feet longer than the width, length = w + 6. Hence:

Area = length * width

substituting:

280 = w(w + 6)

w² + 6w - 280 = 0

The equation is 280 = w(w + 6)

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A variable used to model the effect of categorical independent variables in a regression model which generally takes only the value zero or one is called dummy variable.

In this question,

A dummy variable is a numeric variable that represents categorical data, such as gender, race, political affiliation, etc. Each dummy variable represents one category of the explanatory variable and is coded with 1 if the case falls in that category and with 0 if not.

In dummy variables, we don't need to write out separate equation models for each subgroup because they enable us to use a single regression equation to represent multiple groups. It is an artificial variable created to represent an attribute with two or more distinct categories/levels.

A dummy variable can take values either 1 or 0. It can express either a binary variable or a categorical variables. The number of dummy variables we must create is equal to k - 1, where k is the number of different values that the categorical variable can take on.

Hence we can conclude that a variable used to model the effect of categorical independent variables in a regression model which generally takes only the value zero or one is called dummy variable.

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Answer:

12.5%

Step-by-step explanation:

27-24=3

3/24=1/8

1/8=0.125

0.125 in percent is 12.5%

The area of the shaded region is the area of the rectangle minus the area of the triangle

Find the coordinates of point E: Since point E lies halfway between sides AB and CD, and halfway between sides AD and BC, we can find its coordinates by taking the average of the coordinates of the opposite vertices. That is, if A = (a, b), B = (c, d), C = (e, f), and D = (g, h), then the coordinates of E are ((a+g)/2, (b+h)/2).

Find the equation of the diagonal BD: The diagonal BD passes through points B and D, so we can find its equation by using the point-slope form: y - d = (h - d)/(g - c) * (x - c).

Find the equation of the line perpendicular to BD passing through E: Since the shaded region is formed by the rectangle and the triangle outside it, we can find the equation of the line perpendicular to BD passing through E to find the height of the triangle. The slope of the line perpendicular to BD is the negative reciprocal of the slope of BD, so it is -(g - c)/(h - d). We can use the point-slope form again to find the equation of the line: y - ((b+h)/2) = -(g-c)/(h-d) * (x - (a+g)/2).

Find the intersection of the two lines: The intersection of the two lines is the point where the height of the triangle intersects the diagonal BD. We can solve the system of equations formed by the two lines to find this point.

Find the area of the triangle: Once we have the height of the triangle and the length of the base (which is the length of diagonal BD), we can use the formula for the area of a triangle: A = (1/2)bh, where b is the length of the base and h is the height.

Find the area of the shaded region: The area of the shaded region is the area of the rectangle minus the area of the triangle.

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Answer:

\( - 3x = 4y - 6\)

\( - 3( - 2) = 4( - 3) - 6\)

\(6 = - 12 - 6\)

\(6 = - 18\)

Answer:

-7

Step-by-step explanation:

find the gradient of (-5,-1)

Answer:

\(\LARGE\sf{y\:=\:-\frac{1}{4}x\:-\frac{9}{4}}\)

Step-by-step explanation:

Given the point, (-5, -1), and the linear equation, y = 4x - 6:

In order to find the equation of the line that is perpendicular to the given linear equation, we must first define what perpendicular lines are.

By definition, perpendicular lines have negative reciprocal slopes.  This means that multiplying the slopes of both equations results in a product of -1:     ⇒  m₁ × m₂ = -1

If the slope of the given linear equation, y = 4x - 6 is m₁ = 4, then it means that the slope of the other line must be m₂ = -¼.

Using the given point, (-5, -1), and the slope of the other line, m₂ = -¼, substiute these values into the slope-intercept form: y = mx + b, and solve for the value of the y-intercept, b:

y = mx + b

-1 = -¼(-5) + b

\(\LARGE\sf{-1\:=\:-\frac{1}{4}(-5)\:+\:b}\)

\(\LARGE\sf{-1\:=\:\frac{5}{4}\:+\:b}\)

Subtract  \(\LARGE\sf{\frac{5}{4}}\) from both sides to isolate b :

\(\LARGE\sf{-1\:-\frac{5}{4}\:=\:\frac{5}{4}\:-\frac{5}{4}\:+\:b}\)

\(\LARGE\sf{-\frac{9}{4}\:=\:b}\)

Therefore, the equation of the line perpendicular to y = 4x - 6 is:

\(\LARGE\sf{y\:=\:-\frac{1}{4}x\:-\frac{9}{4}}\).

Answer:

\(10 coins\)

Step-by-step explanation:

\(5\%\) is equal to \(0.05\) which is just \(5 per 100\). In the number \(200\), there are 2 hundreds, so the answer would be 10 (coins that represent \(5\%\) of her collection. You could also do \(0.05×200=10\).

Answer:

$6.99

Step-by-step explanation:

4.3+1.7 pounds is 6 pounds. The price per pound would be $41.94 divided by 6. Therefore, $6.99

The housing supply function is given by h(I,R) = a log1 + bR + cR log1. The housing supply responds to changes in I with a rate of a, and to changes in R with a rate of b + c log1.

Based on the given equation, the housing supply (h) is determined by two variables: I and R. The equation shows that h is a function of R, with a log-linear relationship. The variable I only appears as a constant (a) in the equation, so changes in I do not directly affect the supply of houses.
On the other hand, changes in R (or OR, which is the same variable) do affect the supply of houses. Specifically, an increase in R leads to an increase in the supply of houses. The magnitude of this increase depends on the values of b and c in the equation.
To see this, we can take the partial derivative of h with respect to R:
dh/dR = b + cR/(ln(10))
This equation tells us how much the housing supply changes in response to a change in R. The derivative is positive (i.e. the supply increases) as long as c is positive. The larger c is, the greater the increase in supply for a given increase in R.
Therefore, the correct answer is:
b + cR/(ln(10))

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Answer:

210.6cm^2

Step-by-step explanation:

1) In the diagram below the shape of the rectangular prism is shown:

where L=7.2, W= 9 and H=4.5

In order to cover only the sides, the area of the front and back faces and the side faces should be added, the top and bottom faces should not be

so the area of front and back faces= 2 (length *width) (multiply by 2 to account for both the front and back face, instead of just one face)

=2(7.2)(9)= 129.6 cm^2

area of side faces: 2(W)(H)=2*9*4.5=81cm^2

129.6cm^2+81cm^2=210.6 cm^2

a. when x = 10, dy/dx = -1 and dy/dt = -20.

b. when x = 25, dy/dx = -4/25 and dy/dt = -125/4.

c. when x = 50, dy/dx = -1/25 and dy/dt = -500.

What is implicit differentiation?

The process of finding the derivative of dependent variable in an implicit function by differentiating each term separately by expressing the derivative of the dependent variable as a symbol and by solving the resulting expression for the symbol.

To find dy/dx, we can use implicit differentiation:

Now we can substitute the given values of x and y to find the corresponding values of dy/dt and dy/dx.

(a) If x = 10 and xy = 100, then y = 10:

dy/dx = -y/x = -10/10 = -1

Using the chain rule:

dy/dt = dy/dx * dx/dt

20 = -1 * dx/dt

dx/dt = -20

Therefore, when x = 10, dy/dx = -1 and dy/dt = -20.

(b) If x = 25 and xy = 100, then y = 4:

dy/dx = -y/x = -4/25

Using the chain rule:

dy/dt = dy/dx * dx/dt

20 = (-4/25) * dx/dt

dx/dt = -125

Therefore, when x = 25, dy/dx = -4/25 and dy/dt = -125/4.

(c) If x = 50 and xy = 100, then y = 2:

dy/dx = -y/x = -2/50 = -1/25

Using the chain rule:

dy/dt = dy/dx * dx/dt

20 = (-1/25) * dx/dt

dx/dt = -500

Therefore, when x = 50, dy/dx = -1/25 and dy/dt = -500.

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This is quite simple. Toby ran 5 units, and it says Kate ran 4 times Toby ran meaning the person ran \(4 * 5\) so 20 units. Then it says Jim ran 3 times the units Kate ran. Meaning it would be \(3 * 20\) which is 60 units. Hence Jim ran 60 units or 60 miles. :D

The best estimate for the population mean that Bryce will score a 90% or better is 0.625.

Based on the given information, Bryce played the same song on Guitar Hero 8 times and scored percentages of 89%, 82%, 90%, 88%, 89%, 91%, 85%, and 95%. He wants to know the population mean that he will score a 90% or better. Which would be the best estimate?

To find the population mean, we need to calculate the average of Bryce's scores.

Step 1: Add up all the scores: 89 + 82 + 90 + 88 + 89 + 91 + 85 + 95 = 709.

Step 2: Divide the sum by the total number of scores (8): 709 / 8 = 88.625.

Therefore, the best estimate for the population mean that Bryce will score a 90% or better is 0.625.

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An equation relating G to D is G = 14 - D/35.

A graph of the equation using the axes is shown in the image below.

In Mathematics and Geometry, the slope-intercept form of the equation of a straight line is given by this mathematical equation;

y = mx + c

Where:

Based on the information provided about Rav's trip on the highway, we have the following slope and y-intercept;

Slope, m = -1/35.

y-intercept, c = 14.

By substituting the given parameters, we have the following:

y = mx + c

G = Dx + c

G = -D/35 + 14

G = 14 - D/35

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Answer:

\(8x-5+2x\dfrac{x}{y}\) = \(\dfrac{8xy-5y+2x^2}{y}\)

Step-by-step explanation:

In this question, we need to simplify \(8x-5+2x\dfrac{x}{y}\)

We can convert elements to fractions.

\(8x=\dfrac{8xy}{y},\:5=\dfrac{5y}{y}\)

= \(\dfrac{8xy}{y}-\dfrac{5y}{y}+\dfrac{2x^2}{y}\)

As the denominators are equal, we can combine the fractions as follows :

=\(\dfrac{8xy-5y+2x^2}{y}\)

Hence, the simplified form is : \(8x-5+2x\dfrac{x}{y}\) = \(\dfrac{8xy-5y+2x^2}{y}\)

Answer:  D. percentages only for each line item.

Horizontal analysis, also known as trend analysis, is a method of financial statement analysis that compares line items over time by expressing them as a percentage of a base year. The base year is typically the most recent year, and the comparison is typically made to the prior year. In horizontal analysis, the increases and decreases are shown as percentages for each line item, so that the changes in the line items can be easily compared and analyzed. This is different from vertical analysis, which shows the line items as a percentage of a total, such as total assets or total revenue.

Step-by-step explanation: