The basic requirement of measurements is to have a standard or reference point against which to compare the quantity being measured. This standard or reference point should be well-defined and stable, and the measurement process should be repeatable and consistent. Additionally, it is important to ensure that the measurement equipment is calibrated and in good working condition.
Answer:
The most basic requirement for measurements is the presence of a standard or reference point against which the quantity being measured can be compared. The measurement process should be repeatable and consistent, and the standard or reference point should be well-defined and stable. Furthermore, ensure that the measurement equipment is calibrated and in good working order.
Explanation:
cold vaporizers pass a current through water, evaporating it with only a small increase in temperature. one such home device is rated at 3.50 a and utilizes 120 v ac with 95.0% efficiency. (a) what is the vaporization rate in grams per minute? (b) how much water must you put into the vaporizer for 8.00 h of overnight operation
(a) The vaporization rate in grams per minute is 3090 g/min and (b) 24,720 g of water must you put into the vaporizer for 8.00 h of overnight operation.
What is vaporization?
Vaporization is the process of changing a substance from a liquid to a gas. It is a phase change that occurs when a liquid is heated to its boiling point and the molecules escape from the surface of the liquid and enter the atmosphere as a gas. Vaporization happens when a liquid absorbs energy in the form of heat, causing the molecules to move faster and further apart.
(a) The vaporization rate in grams per minute can be calculated using the formula:
Rate (g/min) = 3.50 A × 120 V × 95.0% × 60 min/hr
= 3090 g/min
(b) The amount of water that must be put into the vaporizer for 8.00 h of overnight operation can be calculated using the formula:
Water (g) = Rate (g/min) × 8.00 hrs
= 3090 g/min × 8.00 hrs
= 24,720 g
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JS
Create a function findWaldo that accepts an object and returns the value associated with the key 'Waldo'. If the key 'Waldo' is not found, the function should return 'Where's Waldo?'
// ADD CODE HERE
// Uncomment these to check your work!
// const DC = {'Bruce': 'Wayne', 'Harley': 'Quinn'}
// const supernatural = {'Sam': 'Winchester', 'Dean': 'Winchester', 'Waldo': 'unknown'}
// console.log(findWaldo(DC)) // should log: 'Where's Waldo?'
// console.log(findWaldo(supernatural)) // should log: 'unknown'
Anywhere in your application, you can invoke a function, which is a collection of reusable code. This avoids the need to repeatedly write the same code.
What is the role of JavaScript?
A function in JavaScript is similar to a procedure in that it is a group of statements that perform an action or compute a value. However, a process must accept an input and create an output with a clear connection between the input and the outcome in order to be termed a function.
How many types are supported by JS?
JavaScript generally supports four different kinds of functions: Regular function: executes after calling and always completes; can return anything. The generator function can be initiated and canceled using the yield operator.
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Prototypes do all of the following except
A)allow for experimentation with new ideas.
B) provide a way to test improvements and fix flaws.
C) create a physical model in the early design stages
D) remain unchanged throughout the design process
Prototypes don't do: (Option D) remain unchanged throughout the design process.
Prototypes are used to experiment with ideas, test improvements and fix flaws, and create physical models during the design process, but they can change throughout the design process.
Prototypes are used to experiment with ideas, test improvements and fix flaws, and create physical models during the design process. They are an important part of the design process, as they allow designers to identify problems, discover solutions to those problems, and make necessary changes during the development process. Prototypes are not static, and can change throughout the design process in order to more accurately reflect the final product. This allows designers to ensure that the final product meets their needs and the needs of their users.
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Which type of instrument is most reliable for static and stable measurement?
A static and stable measurement is best achieved through the use of a precision instrument such as a digital multimeter or a precision balance. These instruments are specifically designed for accurate and reliable measurement in a static and stable environment. They typically have high resolution and precision, as well as advanced features such as temperature compensation and calibration. Additionally, they are often designed with robust and durable construction to ensure long-term reliability.
the design process for what became the pelican began in early 2000, when designers in the phantom works division of boeing started working on solution
Answer: to a problem faced by the military: the need for a large, long-range aircraft that could transport cargo and personnel to remote locations. The Pelican, also known as the Phantom Eye, is a high-altitude, long-endurance unmanned aerial vehicle (UAV) developed by Boeing. The design process for the Pelican began in early 2000, when designers in the Phantom Works division of Boeing started working on a solution to the military's need for a large, long-range aircraft that could transport cargo and personnel to remote locations. The Pelican is designed to fly at high altitudes, where the air is thin, and it uses liquid hydrogen as a fuel. It can fly for up to four days at a time, and it has a range of more than 2,000 miles. The Pelican was designed to be a surveillance aircraft, but it can also be used for other applications such as communications relay and atmospheric research.
Explanation:
canada has proposed an action plan to address climate change and air pollution. the action plan will reduce the impact of greenhouse gases and pollutants on the environment and human health. which of the following claims about the canadian action plan is best supported by the data in the graph? responses the plan encourages the transition from electricity generation from nuclear power to electricity generation from cleaner-burning natural gas. the plan encourages the transition from electricity generation from nuclear power to electricity generation from cleaner-burning natural gas. the plan focuses on increasing regulation on installation and maintenance of catalytic converters in vehicle exhaust systems. the plan focuses on increasing regulation on installation and maintenance of catalytic converters in vehicle exhaust systems. the plan supports phasing out traditional coal power plants and transitioning to sources like hydroelectricity, wind, and solar power. the plan supports phasing out traditional coal power plants and transitioning to sources like hydroelectricity, wind, and solar power. the plan provides a strategy for reducing the amount of plastic wastes in landfills through the production of long-lasting and durable plastics.
The plan supports phasing out traditional coal power plants and transitioning to sources like hydroelectricity, wind, and solar power is best supported by the data in the graph.
What is hydroelectricity?
Hydroelectricity is a type of renewable energy that is generated by the movement of water. It is created by capturing the kinetic energy of the moving water and converting it to electrical energy. This is done by building dams on rivers or streams and using the pressure created by the water to turn turbines, which are connected to generators that transform the energy into electricity. This electricity can then be used to power homes and businesses.
The graph shows that the Canadian plan encourages the transition from electricity generation from nuclear power, coal, and oil to cleaner-burning natural gas, hydro, wind, and solar energy sources. This clearly demonstrates that the plan supports phasing out traditional coal power plants and transitioning to sources like hydroelectricity, wind, and solar power.
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given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. you may assume that each input would have exactly one solution, and you may not use the same element twice. you can return the answer in any order.
Construct a fresh map object.traverse the array iteratively.Verify if the complement of each element in the array is present in the map.Return the element's index and the complement's index if it is.
Return the indices of the two numbers so that they add up to a certain target given an array of integers. Although an element in the array cannot be used more than once, you may anticipate that there will only be one answer for each test case. Complexity of time: O (n2). We try to discover the complement of each element by looping through the remaining elements of the array, which takes O(n) time. Consequently, O is the temporal complexity (n2). Complexity of space: O (1). The process is as follows: The array is sorted. Set up two variables with one pointing to the left (the start of the array) and the other pointing to the right (the end of the array) ( right ). Return the indices if arr[left] + arr[right] == target.
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Agile method typically ue a(n) _____ , which repreent a erie of iteration baed on uer feedback
Answer:
don't know what to say about that
true/false: most of the materials we use in engineering applications today were developed before the year 1900. true/false: most of the materials we use in engineering applications today were developed before the year 1900. true false
The given statement that "most of the materials that are being used today in engineering applications were developed before the year 1900" is true because the concept of engineering has existed since ancient times as humans devised fundamental inventions such as the lever, pulley, and wheel.
Civil engineering has been an aspect of human life since the beginning of human existence. The earliest practices of civil engineering may have commenced between 4000 and 2000 BC in Mesopotamia (Ancient Iraq) and Ancient Egypt when humans started to abandon a nomadic existence, therefore causing a need for the construction of shelter.
These all civil practices or inventions are consistent with the modern definition of engineering, exploiting primary mechanical principles to develop useful objects and tools.
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The service disconnecting switch for an installation consisting of a limited load on a single branch circuit shall have a rating of not less than ?
The service disconnecting method must have a rating of at least 15 amperes in installations that will only provide a single branch circuit with a restricted number of loads.
The branch circuit disconnecting method must have a rating of at least 15 amperes in installations that will only provide a single branch circuit with a small number of loads. For each service that is allowed by 230.2, a maximum of six service disconnections is authorised. Each set of service-entrance conductors allowed by 230.40, Exception No. 1, 3, 4, or 5 [230.71] are likewise subject to this rule.Any combination of the following is authorised for the two to six service disconnecting means: separate enclosures, each having a method to disconnect the main service. a primary service disconnecting mechanism included inside each panelboard enclosure.
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all of the following are examples of projects except which? multiple choice question. designing a new product merging two companies manufacturing the daily quota reengineering a process
In general, a project is for a client. The project is a transient one. Normally, it has a clearly defined beginning and end. There will be a special set of requirements for the project that must be met within its confines. Gantt charts' principal difficulties.
Gantt charts' intricacy in larger projects is one of the main difficulties when using them. The complexity of specific activities and the amount of time required by your team to perform them may not be adequately represented by the charts. Budget and cost, time and schedule, and scope make up the factors. Any time one of these components is altered, a second one is compelled to follow. This article covers the project management triangle's theory and how to apply it to successfully manage projects, especially when there are several stakeholders involved.
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Determine the location { x }_{ c }x c of the centroid of the solid made from a hemisphere, cylinder, and cone.
Given:
a = 8080 mmmm
b = 6060 mmmmc = 3030 mmmm
d = 3030 mmmm
The correct answer is a = 8080 mmmm the location { x }_{ c }x c of the centroid of the solid made from a hemisphere, cylinder, and cone.
A hemisphere's curved surface area is equal to 2r2 square units. A hemisphere's entire surface area is 3 r 2 square units. The formula (23)r3 cubic units is used to calculate the volume of a hemisphere. As shown in the image, a right circular cylinder with length ′a′ and radius ′r′ has its origin as its centre and its axis along the x-axis such that one face is at x=+a/2 and the other is at x=a/2. When an electric field is operating parallel to the x-axis, E =E0i for values greater than zero and E =E0i for values lower than zero.
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Two concurrent application, a1 and a2, execute the equence of intruction (j1, j2, j3) and (k1, k2, k3), repectively. Execution witche between the application whenever a timeout interrupt occur or when one application terminate. If a2 tart, and interrupt occur after intruction k2 and j1, then what i the order in which the 6 intruction will execute?
Two concurrent applications a1 with a sequence of instructions (j1, j2, j3) and a2 with a sequence of instructions (k1, k2, k3). The order in which the 6 instructions will be executed is: k1, k2, j1, k3, j2, j3
A concurrent application means that that application is working on more than one task at the same time. If the computer only has one CPU, the application may not operate on more than one task at the same time, yet multiple tasks are being processed at the same time inside the application. It does not complete one work before beginning the next.
In this case there are two applications with the sequence of instructions:
application a1 = (j1, j2, j3)
application a2 = (k1, k2, k3)
The applications will be switched if one of these two conditions occurs:
- a timeout interrupt
- one application terminate
Now a2 starts. It means the instruction starts from k1, then k2.An interrupt occurs after instruction k2. It means the applications switches to a1. The instruction starts from j1.An interrupt occurs after instruction j1. Then the applications switch again to a2. The last instruction executed in a2 was k2, hence, now it executes instruction k3.After k3, it means application a2 terminates. Hence, it switches to a1 and execute j2, j3.Therefore, the order of the executed instruction is: k1, k2, j1, k3, j2, j3
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a typical information system will have which of these? (select all that apply, omit those that do not) a) somewhere to store data (often in the form of a database) b) a user interface where commands can be issued and results received c) a program to help use the data d) software to convert knowledge into data
Computer equipment Computer software is an example of physical technology that deals with data. The software's function is to instruct the hardware on what to do in the context of telecommunications.
Human resources and procedures, databases, and data warehouses. Operational, management, and strategic level systems are the three basic kinds of information systems that cater to various organizational levels. Information systems carry out tasks like collecting input data, storing it, processing it, and finally producing output data. The components of a system are not isolated from one another; rather, they are intertwined and have an impact on one another. To accomplish the system's objective, every component is arranged in a particular way. In a bigger system, a system will have a specific role to play. System feedback exists.
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FILL INN THE BLANK To select multiple sketch entities, press and hold down the ______ key on the keyboard while selecting multiple entities.
Press the Ctrl keys on the keyboard while choosing multiple sketch entities, holding the key down.
What is the proper click sequence for a three-point arc?First, choose the 3 point arc tool to start drawing an arc.To set your starting point, click on the first position.To choose your second paragraph, the arc's endpoint, click inside the second place. Next, click in the third position to choose the radius.
What shortcut on the keyboard can be used to launch the sketching dimension tool?You may access the sketch size tool from the sketching dropdown list, which is located at the bottom of this list.The letter "D," as in Delta, on the keyboard shortcuts can also be used to activate it.
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calculate the number of kilowatt-hours (kw-hrs) consumed by an 850-watt window air conditioner turned on for four (4) hours.
The kilowatt-hours consumed by an 850-watt window air conditioner turned on for four hours is 3.4 kw-h
Power is defined as the rate of work over a time period. Mathematically,
P = W/t
Where:
P = power
W = work done
t = time period
The unit of power is Watt which is equivalent to Joule/second. Another widely used unit is kw=h or kilowatt-hours.
Information available in the problem:
P = 850 Watt = 0.85 kw
t = 4 hours
Plug these parameters into the formula:
P = W/t
W = P x t
W = 0.85 x 4 = 3.4 kilowatt-hours.
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From the following selections, choose the best location for the 200-amp service panel for the Franklin House.
Choose matching definition
O Garage
O Saltbox
O Guerrilla Tactics
O Garrison
The 200-amp Franklin House service panel is best placed in the garage.
Pick the definition that best fits.
Where do electrical panels in homes most frequently reside?Basement Commonly, the utility room or basement serve as the main service panel's locations. Some residences will additionally include a sub-panel, a scaled-down counterpart of the main panel, to manage the electrical circuits in a garage, a workshop, or another outbuilding.
In what place may one find a sub panel?It can be put anywhere in the house, inside or out, as long as it is at least a foot away from the main circuit breaker box. 240-volt double-pole breakers are used to supply the subpanel at the main service panel.
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according to the tia chapter 1, which of the following are points and counterpoints regarding automated robotic machinery? (select all that apply.)
Creating robot swarms, enhancing navigation and exploration, and creating artificial intelligence that can "learn how to learn" and apply common sense to moral and social judgments are three tasks that concentrate on fundamental issues in robotics.
Which issues in robotics are the most pressing?Some of the key challenges that are currently resonating throughout the sector are data privacy and security. To complete their tasks, robots also require a variety of personal information and process sensitive data. The robot may utilize this private data in any way, but there is no way to know for sure.
What constitutes robots' primary flaw?Robots are frequently very expensive to purchase, maintain, require extra parts, and require programming to do the work. This is true of both the initial cost and ongoing costs.
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You may not cross a single broken white or yellow line:
If you can do so safely and without obstructing other vehicles, you may cross a single broken line to pass or change lanes.
What does it signify when there is a solid yellow line next to a broken one?
When there are solid yellow lines and broken yellow lines, passing is allowed on the side with the broken line. It is forbidden to pass on the side with the solid line. Passing is not allowed on double solid yellow lines in either direction, although left turns are allowed when the lines are crossed.
What does a yellow line that is broken or dashed mean?
Image outcome-when it is safe to do so, cars in lanes moving in either direction may pass on a single broken yellow line. only one solid line. Means that passing is permitted in both directions but should be done very carefully.
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The oxygen binding curve of which of the following is the closest to that of myoglobin? a.hemoglobin at pH 6.8 b.hemoglobin that lacks BPG c. maternal hemoglobin d.fetal hemoglobin
The oxygen binding curve of hemoglobin devoid of BPG is comparable to that of myoglobin.
Option B is correct.
What is 2,3-BPG ?As an intermediate in the glycolysis process, 2,3-BPG is a naturally occurring molecule. It is a hemoglobin allosteric effector. Oxygen binding curve without 2,3-BPG In the absence of 2,3-BPG, this molecule will unbind in the center of the structure of hemoglobin. This will keep hemoglobin in its relaxed state and prevent it from rapidly changing into its tensed state.
That is, after unbinding with hemoglobin, 2,3-BPG raises hemoglobin's affinity for oxygen, causing the oxygen-binding curve to shift all the way to the left, just like myoglobin's. The T-state of deoxyhemoglobin causes the equilibrium to shift to the R-state, where the majority of hemoglobin will be bound to oxygen (i.e., have a high affinity for oxygen) and the deoxyhemoglobin will not exist for long.
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Write a program called CountFlips whose main method flips a coin 100 times and counts how many times each side comes up. Make sure to include comments of what is being done in the code. Verify whether the head comes up or not by calling isHeads method of Coin class. Increment the heads count if head comes up. Increment the tails count if tail comes up. Display the head and tails counts.
Print the results SEND AS A TEXT FILE USING JAVA ECLIPSE AND MAKE SURE IT IS SENT IN THE EXACT FORM AS I WILL BE COPYING AND PASTING IT INTO JAVA ECLIPSE, MAKE SURE TO STATE WHAT IS BEING DONE IN THE CODE. WILL GIVE A THUMBS UP.
A universal computer programming language is C programming.
What is c programming?
A universal computer programming language is C programming. Dennis Ritchie developed it in the 1970s, and it is still heavily utilised and regarded as important. By design, C's characteristics neatly mirror the CPUs it is intended to run on.
#include <stdio.h>
// Function that count set bits
int countSetBits(int n)
{
int count = 0;
while (n > 0) {
count++;
n &= (n - 1);
}
return count;
}
// Function that return count of flipped number
int FlippedCount(int a, int b)
{
// Return count of set bits in a XOR b
return countSetBits(a ^ b);
}
// Driver code
int main()
{
int a = 10;
int b = 20;
// Function call
printf("%d\n", FlippedCount(a, b));
return 0;
}
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In this lab, you'll practice creating classes and objects, using ArrayList objects, and working
with interacting objects (with some nice visuals). Even better, you'll be working with circles,
widely considered to be the roundest of all two-dimensional shapes.
1. Import the starter code to begin. Instructions (if needed), for your IDE of choice:
a. Jgrasp:
i. Download the starter code folder from the website (Download -> Direct download).
ii. Extract (unzip) the downloaded folder (right-click -> Extract all).
iii. Copy the entire (unzipped) folder to your H: drive; rename it in the usual fashion.
b. Eclipse:
i. In Eclipse, create a new Java project named in the usual fashion.
ii. Download the starter code folder from the website (Download -> Direct download).
iii. Extract (unzip) the downloaded folder (right-click -> Extract all).
iv. Drag and drop the unzipped materials as follows:
1. Drag the source (*.java) files into the "src" folder.
2. See here for help (don't worry about text files): youtu.be/LOSICIeP6Ko
2. Create a class Circle.java which is a simple abstraction of an on-screen circle (image). A Circle
should (initially) have the following:
int x and int y The center point of the circle's on-screen location. These values represent
the circle's (initial) location on screen.
int radius The radius of the circle.
Color color The color of the circle. Color is a class that is built into Java, a software
abstraction of color. You can create a new color using Color's
three-parameter constructor (e.g. new Color(50, 100, 150)), where
each integer is a value 0-255 (corresponding to red, green, and blue
components, respectively). There are also pre-built colors in the Color class
that you can use, e.g. Color.RED or Color.BLACK. Import:
java.awt.Color.
3. Write Circle's 4-parameter constructor. Give the parameter variables real good names.
4. A Circle is responsible for drawing itself. Write a void draw() method that displays the circle on
screen using the StdDraw.java graphics library (included in starter code). Use the following:
StdDraw.setPenColor(color); //set the current color of the drawing window
StdDraw.filledCircle(x, y, radius); //draw a filled circle at , diam of radius*2
Page 1 of 5
5. The CircleAnimations class performs some on-screen animations using Circle objects; we say
CircleAnimations is a client of the Circle class.
a. CircleAnimations' constructor has been written for you. Nice! Look it over so you know what
variables a CircleAnimations object will have. For example, this class maintains a list of all the
circles currently in the animation.
6. In CircleAnimations, write a method void drawCircles() that will iterate through all objects in
the circles list and draw them to the screen. The drawCircles method should be called last
from any method that adds circles to the list or makes changes to the circles so that the results
appear on screen. You don't need to test this method quite yet.
7. In CircleAnimations, write a method void addCircles() that will add three randomly colored
circles with random locations to the circles list. Note: The size of the drawing window is saved
into CircleAnimations' size instance variable. Choose a random radius range you feel best
represents you as a person.
In this workshop you will practice creating classes and objects, using Array.
List objects and working with interactive objects (with nice visual effects). You'll also work with circles, widely considered to be the roundest of all two-dimensional shapes. First, import your startup code. Instructions (if required) for the selected IDE: a. Jack: Me. Download the boot code folder from the website (Download -> Direct Download).ii. Extract (extract) the downloaded folder (right click -> extract all).iii. Copy the entire folder (unzipped) to drive H:; Rename it as usual. Eclipse: i. In Eclipse, create a new Java project with the usual name. ii. Download the initial code folder from the website (Download -> Direct Download).iii. Extract (extract) the downloaded folder (Right Click ->Extract All).iv. Drag the extracted materials as follows Drag & Drop: 1. Put the source files (*.java) in the "src" folder. Here's some help (don't worry about text files): youtu.be/LOSICIeP6Ko 2. Create a Circle.java class that is a simple abstraction of a circle (image) on the screen. The circle should (initially) have the following values: int x and int y The center of the circle's position on the screen. These values represent the starting position of the circle on the screen. In this workshop you will practice creating classes and objects, using Array List objects and working with interactive objects (with nice visual effects). You'll also work with circles, widely considered to be the roundest of all two-dimensional shapes. First, import your startup code. Instructions (if required) for the selected IDE: a. Jack: Me. Download the boot code folder from the website (Download -> Direct Download).ii. Extract (extract) the downloaded folder (right click -> extract all).iii. Copy the entire folder (unzipped) to drive H:; Rename it as usual. Eclipse: i. In Eclipse, create a new Java project with the usual name. ii. Download the initial code folder from the website (Download -> Direct Download).iii. Extract (extract) the downloaded folder (Right Click ->Extract All).iv. Drag the extracted materials as follows Drag & Drop: 1. Put the source files (*.java) in the "src" folder. Here's some help (don't worry about text files): youtu.be/LOSICIeP6Ko 2. Create a Circle.java class, which is a simple abstraction of a circle (image) on the screen.
The circle should (initially) have the following values: int x and int y The center of the circle's position on the screen. These values represent the starting position of the circle on the screen.
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. The primary energy source that operates a building's air conditioning controller is typically electric,
pneumatic, or
A. thermostatic.
B. electronic.
C. hydraulic.
D. passive.
complete the two-column proof of the alternate interior angles converse. given $\angle4\cong\angle5$ prove $g\ \parallel\ g$ line g and line h are cut by a transversal so that an angle labeled angle 4, formed by the intersection of the transversal and line g, and an angle labeled angle 5, formed by the intersection of the transversal and line h, are congruent alternate interior angles. an angle labeled angle 1, formed by the intersection of the transversal and line g, and angle 4 are vertical angles.
Therefore, L=90 o in the parallelogram GMHL. At G and H, respectively, two parallel lines AB and CD and a transversal EF intersect them.
The bisectors of the two pairs of interior angles are GM, HM, GL, and HL.
GMHL is a rectangle, to prove.
Proof:
∵AB∥CD
∴∠AGH=∠DHG (Alternate internal angles) (Alternate interior angles)
The formula is 2 1 AGH = 2 1 DHG.
GM and HL are the bisectors of AGH and DHG, respectively, so that 1=2.
GMHL (1 and 2 are equal and come from a pair of opposite interior angles)
Likewise, GLMH
GMHL is therefore a parallelogram.
∵AB∥CD
BGH + DHG = 180 o
⇒∠L=180 \so\s −90 \so
⇒∠L=90 \so
Therefore, L=90 o in the parallelogram GMHL.
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Is there a simple way to copy everything on a page for one of my Strikingly websites onto a new Strikingly website without having to rekey everything, etc.?
Answer:Ctrl + C
Explanation:
First highlight everything then press Control + C and then when you paste in press Control + P
Assume that the flowrate, Q, of a gas from a smokestack is a function of the density of the ambient air, ?air, the density of the gas, ?gas, within the stack, the acceleration gravity, g, and the height and diameter of the stack, h and d, respectively. Use ?air, d, and g as repeating variables to develop a set of pi terms that could be used to describe this problem
The flowrate, Q, of a gas from a smokestack is a function of the density of the ambient air are:
?air × d × g × (Q/h)
?gas × d × g × (Q/h)
?air × ?gas × d × g × (Q/h)
What is density?
Density is a physical property of matter which is the measure of the mass of an object in a given volume. Density is usually expressed in terms of mass per unit volume and is usually represented by the symbol ρ. Density is the measure of how tightly matter is packed in a given space. The denser an object is, the higher its mass per unit volume. Density is an intrinsic property of a material and does not depend on the amount of material present. The density of a substance can be determined by dividing the mass of the sample by its volume. Density can be used to identify a substance since each substance has its own characteristic density.
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How many objects can an ArrayList store?
Given that ArrayList in Java is supported by a built-in array, the size restriction is equal to that of an array, or 2147483647.
Java creates an ArrayList object with a default capacity of 10 when you create it without specifying a capacity. ArrayList automatically resizes when the size (number of elements in the array list) increases over a certain threshold since it is a growable array. The fact that ArrayLists may only contain objects and not simple types like ints is a fundamental restriction of array lists. Use the get() function to fetch elements from an ArrayList. Use the size() function to get an ArrayList's size.
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Assign jsonObject with a JSON object with properties: userName (a string), studentAge (a number) and userSiblings (an array of strings). Note: The content of the properties doesn't matter.
var jsonObject;
jsonObject = {
userName: "John Doe",
studentAge: 21,
userSiblings: ["Jane", "Jack", "Jim"]
};
What is JavaScript programming language?Interactive websites can be made using the scripting language JavaScript. It is the HTML and Web programming language.
JavaScript is used to control websites and web server software as well as to create games and make web applications more interactive.
JavaScript is an interpreted language, which means that a computer can read it and comprehend it without having to compile it into a programme. As an object-oriented language that is made for working with objects, JavaScript is also capable of producing sophisticated applications.
This question is an example of JavaScript programming.
1. Start by declaring a variable, in this case "jsonObject":
var jsonObject;
2. Assign the variable a value of a JSON object with the properties of userName (a string), studentAge (a number), and userSiblings (an array of strings):
jsonObject = {
userName: "John Doe",
studentAge: 21,
userSiblings: ["Jane", "Jack", "Jim"]
};
3. The content of the properties does not matter, so you can change the values to whatever you like.
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vacuum leak testing is being discussed. technician a says to use a vacuum pump to check each component. technician b says to use an ultrasonic tester. who is correct?
The correct answer is technician a says to use a vacuum pump to check each component.
Vacuum pumps, in the simplest terms, are mechanical devices that make it possible to remove gas and air molecules from a sealed space to produce a space free of gas and/or air. Their main functions are to clean and seal. Depending on the medium being pushed through them, vacuum pumps are available in wet or dry versions. Follow these steps to test the pump: Close the valve between the system and the vacuum pump/micron gauge setup and start the vacuum pump before opening the vacuum pump and micron gauge to the system. Only the vacuum hose and micron gauge will be vacuumed as a result of this.
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TRUE/FALSE. rapid development programming languages have features like built-in libraries and tools, which make writing code faster.
Rapid development programming languages include tools and libraries built in that speed up writing code. True.
Which language has the most libraries?Python is approachable and adaptable for a variety of programming tasks because it is based on English grammar. The well-known programming language Python has a sizable user base, robust libraries, and a wide range of frameworks.
Programming libraries are useful tools that can expedite a web developer's work. They provide prewritten, reusable code fragments so that developers may quickly and simply create programs.
What dialect is employed for quick prototyping?The robust interactive environment that LISP offers enables the quick prototyping of intricate software. This has always been a key aspect of the language and has helped to increase its popularity for novel applications.
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