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You used three methods of analysis to find the acceleration of the cart on the track: a two-point difference from v(t), an average of a(t) that was itself calculated by a succession of first differences of the v(t) data, and a line fit to v(t). some criteria to help you consider which method is best are part a in which type of graph(s) is it easiest to see whether the acceleration was constant?

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Answered by answersmine AT 22/10/2019 – 02:29 AM

The best way to find that you want is the line fit. When acceleration is constant the speed(v) changes smoothly every moment, so the v line must be straight. Differently, the accelaration changes.

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14. Within a single use of the scientific method, which of the following steps can only be performed after data is collected? A. Controls and variables are chosen. B. The initial experiment is designed. C. The initial hypothesis is formed. D. Conclusions are drawn.

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The answer is D. Conclusions are drawn. 
This is the only choice that can be done after data gathering, formulation, and analysis.

Other choices are in correct

A. Controls and variables are chosen.  (Identified before an experiment)
B. The initial experiment is designed. (Has been planned before an experiment is done.)
C. The initial hypothesis is formed. (Before the experiment a hypothesis is already drawn.

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Addition-subtraction method 8.92x-5.42y=3.41 5.83x+1.07y=2.37 – AnswersMine

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We want to use the Addition-Subtraction method to solve
8.92x – 5.42y = 3.41             (1)
5.83x + 1.07y = 2.37             (2)

We shall eliminate y from the two equations by Addition.
Multiply (1) by 1.07 and multiply (2) by 5.42  to obtain
1.07*(8.92x – 5.42y) = 1.07*3.41
9.5444x – 5.7994y = 3.6487        (3)

5.42*(5.83x + 1.07y) = 5.42*2.37
31.5986x + 5.7994y = 12.8454   (4)

Add (3) and (4) to obtain
9.5444x – 5.7994y + 31.5986x + 5.7944y = 3.6487 + 12.8454
41.143x = 16.4941
x = 0.4009

From (2), obtain
1.07y = 2.37 – 5.83x
         = 2.37 – 5.83*0.4009
         = 0.0328
y = 0.0307

Answer:
 x = 0.4009
 y = 0.0307

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What is a method of revealing information about a character by showing the characters words and actions

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Answer:

A method of revealing information about a character by showing the characters’ words and actions is called Indirect characterization.

Explanation:

There are two kinds of characterization direct and indirect. When a writer uses direct characterization they describe the character to the readers adding the adjectives that can describe them in the narrative. Indirect characterization uses different elements like Speech, Thought, Effect on others, Actions and Looks.

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Equations can be balanced by using the half-reaction method. Which step should be completed immediately after finding the oxidation states of atoms? A inserting the coefficients B balancing the half reactions C identifying the half reactions D inspecting the number of atoms

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Equations can be balanced by using the half-reaction method. Which step should be completed immediately after finding the oxidation states of atoms? A inserting the coefficients B balancing the half reactions C identifying the half reactions D inspecting the number of atoms

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Jordan wants to solve the following system using the elimination method: 2x + 3y = 10 x + y = 7 What number should the equation x + y = 7 be multiplied by to eliminate y? (4 points)

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Jordan wants to solve the following system using the elimination method: 2x + 3y = 10 x + y = 7 What number should the equation x + y = 7 be multiplied by to eliminate y? (4 points)

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Which of the following represents a method by which one could convert inches into miles A. Multiply by 12, then multiply by 5,280 B. Divide by 12, then divide by 5,280 C. Add 12, then divide by 5,280 D. Multiply by 12, then divide by 5,280

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Answered by answersmine AT 22/10/2019 – 03:48 AM

To convert inches to miles, you would first have to convert inches to feet, and since there are 12 inches in a foot, the first step would be multiply by 12. After converting 12 inches to 1 foot, you would then have to take 1 and multiply by 5,280, since there are 5,280 feet in a mile, so the answer would be A, Multiply by 12, then multiply by 5,280.

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How did advancements in physics, chemistry, and astronomy help cause the Enlightenment? Enlightenment thinkers applied the scientific method to social problems. Enlightenment philosophers began their careers as natural scientists. Knowledge of physics and chemistry enabled advances in weaponry and machinery. The study of science inspired great Enlightenment poets to write about nature.

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The Enlightenment is known by that name because people considered the scientific progress brought a “new light” that could replace religion and leave the Middle Age behind. Also, different discoveries and studies in physics, chemistry, and astronomy established the scientific method as a reliable way to produce knowledge. Therefore, Enlightenment thinkers applied the scientific method to social problems, and since then, multiple social sciences like sociology or anthropology have adopted this method until the present day.

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Jason corporation has invested in a machine that cost $75,000, that has a useful life of fifteen years, and that has no salvage value at the end of its useful life. the machine is being depreciated by the straight-line method, based on its useful life. it will have a payback period of six years. given these data, the simple rate of return on the machine is closest to: (ignore income taxes in this problem.)

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We can solve
this problem by first calculating the annual net cash inflow. This can be
solved by remembering that:

Payback period
= Initial investment / Annual net
cash inflow


6 years = $75,000
/ Annual net
cash inflow

Therefore,
Annual net
cash inflow = $12,500
 
Next, we
calculate for the cost. The cost we will consider here is the depreciation
value of the machine.
Annual depreciation
= $75,000 / 15 years = $5,000
 
Therefore the annual net operating income is:
Annual net operating income = $12,500 – $5,000 = $7,500
 
Simple rate of
return is calculated by:
Simple rate of
return = Annual net operating income / Initial
investment
Simple rate of
return = $7,500 /
$75,000 = 0.1 = 10%

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When the string class ____ method is used to compare two strings, it provides additional information to the user in the form of an integer value?

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Answered by answersmine AT 22/10/2019 – 05:20 AM

When the string class CompareTo() method is used to compare two strings, it would provide additional information to the user in the form of an integer value. This method would compare a certain string to another object. The two objects are converted to a Unicode value in order to be compared. If they are equal, then the output would be 0 or else it would return a negative or a positive value.

Post your answer

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Which method of communication did president lincoln use most to inform the public about the civil war? a.books and poetry b.public speeches and written documents c.interviews and storytelling d.newspaper articles and telegraph messages?

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Since a tiny tender child of four,
There’s nothing that I dreamt of more,
Than to jump aboard a great big ship,
A telescope, a map, a sword, by my hip,
To feel the sea breeze in my hair,
To stroke my parrot on the wood chair,
To be bold and brave and happy as can be,
To trek and travel and sail the seven seas.

8 lines. Rhyme scheme aabbccdd. If I managed to write that in about 4 minutes, you could write something much better and longer in like 30 minutes. You can use my rubbish poem as inspiration lol. Good luck X

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Equipment was acquired at the beginning of the year at a cost of $465,000. the equipment was depreciated using the straight-line method based on an estimated useful life of 15 years and an estimated residual value of $45,000. required: a. what was the depreciation for the first year? b. assuming the equipment was sold at the end of the eighth year for $235,000, determine the gain or loss on the sale of the equipment. c. journalize the entry to record the sale. refer to the chart of accounts for exact wording of account titles.

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Employee                                 Mary      Zoe         Greg         Ann           Tom

Cumulative Pay                       $6,800   $10,500  $8,400    $66,000   $4,700

Pay subject to FICA S.S.         $421.60  $651.00  $520.80 $4092.00 $291.40
6.2%, (First $118,000)

Pay subject to FICA Medicare $98.60 $152.25    $121.80    $957.00    $68.15
1.45% of gross

Pay subject to FUTA Taxes      $40.80  $63.00     $50.40    $396.00  $28.20
0.6%

Pay subject to SUTA Taxes   $367.20  $567.00  $453.60  $3564.00 $253.80
5.4% (First $7000)

Totals                                     $928.20 $1,433.25 $1,146.60 $9,009.00 $641.55

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After discussing various methods of contraception with a client and her partner, the nurse determines that the teaching was successful when they identify which contraceptive method as providing protection against sexually transmitted infections (stis)?

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1. The answer is “C”.

“Identical twins” who have been raised apart are typically more similar in intelligence level than biological siblings raised together because they have been born with the same genetic code.

Identical twins originate from a single fertilized egg that parts into two. Before it parts, it is either male or female. After it parts, there are either two guys or two females. The two sections of the fertilized egg embed in the uterus and every create one of the twins.  

Identical twins have the equivalent hereditary source. No immediate reason for monozygotic twinning has been resolved; it isn’t innate. Monozygotic twins speak to around 33% all things considered. They may look strikingly comparative, and it might be hard to reveal to them separated.

2. The answer is “A”.

Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in “consensus democracy” in small group settings.

Lawrence Kohlberg felt that the best way to support development through these stages was by discourse of good problems and by investment in consensus democracy inside small groups. Consensus democracy was rule by understanding of the gathering, not larger part rule. This would invigorate and widen the reasoning of youngsters and grown-ups, enabling them to advance starting with one phase then onto the next.

3. The answer is “D.  showing a learner how to correct common mistakes”.

The term scaffolding alludes to a procedure in which instructors display or exhibit how to take care of an issue, and afterward venture back, offering support as required. Analyst and instructional architect Jerome Bruner first utilized the term ‘scaffolding’ in this setting, harking back to the 1960s. The hypothesis is that when understudies are given the help they require while discovering some new information, they stand a superior possibility of utilizing that learning freely. Bruner suggests positive association and three methods of portrayal amid educating: activities, pictures, and dialect.  

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An orderly way of collecting evidence is referred to as the scientific method

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An orderly way of collecting evidence is referred to as the scientific method

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Which is the best method for visually representing the data for comparison

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Answer:

1. DNA

2. Prokariotic.

3. Crossing over.

4. Maple tree

5. Primary producers.

6. DIAGRAM NOT SHOWN

7. Lipids.

8. A

Explanation:

1. DNA is the macromolecule responsible for carrying the herederitary information of all cells, and even some viruses, with the exception of retroviruses.

2. Prokariotic cells (eubacteria and archeas) are cosmopolite, and lacks a membrane defined nucleus.

3. Crossing over.

During meiosis, homolog chromosomes pair and exchange genetic material, is also known as genetic recombination. This makes the chromosomes inherited not exactly equal to the corresponding from our fathers, or grandfathers.

4. Maple tree belongs to the clade Angiosperms: flowering plants, which produce seeds. Moss is a flowerless plant, this does not produce seeds. Lichen are composed from algae and cyanobacteria (so, not plants). Mushrooms are not plants.

5. Primary producers, such as bacteria and algae, can make organic  molecules from an abiotic source of energy.

6. DIAGRAM NOT SHOWN

7. Lipids are the main component of all biological membranes. In animals, specially cholesterols prevents the membrane from freezing, due its molecular structure. Tryglicerids, for example, provides besides thermal insulation, energy storage, filling space for keeping the organs together, among other functions.

8. The phosphorous is very slow, since it requires the extraction from rocks, starting from metereological processes (rain, erosion), Once in the soil, bacteria, fungi, plants and animals start to absorb it.

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Identify the sampling method used. every third student signing up for astronomy class is asked about telescope preferences.. a. systematic c. stratified b. random

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The Venn diagram is not included, so I am going to explain the procedure and you will be able to calculate the result just plugging the numbers.

From Vend diagram you will be able to conclude two numbers:

1) the total number os students surveyed that participate in band (B)

2) the total number of students surveyed that participate in track (T)

3) the total number of students surveyed that participate in both band (B) and track (T) = B∩T

4) ) the total number of students surveyed, which is: total number of students in band B + total number of students in track – less the number of students that participate in both. = B + T – (B∩T)

So, the probability that one student that participate in band (B) also participate in track (T) =

Number of students that participate in both / number of students that participate in band = (B∩T) / B

Now, you just have to find B∩T and B from the diagram and plugg in into the formula (B∩T)/B. That’s it.

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An infant’s temperature is normally taken by which method

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Though thermometers are used to measure temperature, there are different types of thermometers to measure specific temperatures.

Here are some types of thermometer with its specific temperature

1) Traditional thermometer – for home use. Measure air and water temperature both in °F and °C.

2) Resistance Thermometer – designed to measure temperatures between -250 and 700 °C.

3) Thermocouple Thermometer – notices the difference between hot and cold junctions through the current in the attached probes. This is a very sensitive model that can provide accurate temperature results between -250 and 1600 degrees Celsius.

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What is the answer to 5x + 3y =31 and 2x+3y= 25 using elimination method

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The basis to respond this question are:

1) Perpedicular lines form a 90° angle between them.

2) The product of the slopes of two any perpendicular lines is – 1.

So, from that basic knowledge you can analyze each option:

a.Lines s and t have slopes that are opposite reciprocals.

TRUE. Tha comes the number 2 basic condition for the perpendicular lines.

slope_1 * slope_2 = – 1 => slope_1 = – 1 / slope_2, which is what opposite reciprocals means.

b.Lines s and t have the same slope.

FALSE. We have already stated the the slopes are opposite reciprocals.

c.The product of the slopes of s and t is equal to -1

TRUE: that is one of the basic statements that you need to know and handle.

d.The lines have the same steepness.

FALSE: the slope is a measure of steepness, so they have different steepness.

e.The lines have different y intercepts.

FALSE: the y intercepts may be equal or different. For example y = x + 2 and y = -x + 2 are perpendicular and both have the same y intercept, 2.

f.The lines never intersect.

FALSE: perpendicular lines always intersept (in a 90° angle).

g.The intersection of s and t forms right angle.

TRUE: right angle = 90°.

h.If the slope of s is 6, the slope of t is -6

FALSE. – 6 is not the opposite reciprocal of 6. The opposite reciprocal of 6 is – 1/6.

So, the right choices are a, c and g.

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A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as editing) and variable costs (such as printing). There are two production methods it could use. With one method, the one-time fixed costs will total $53,808 , and the variable costs will be $12.50 per book. With the other method, the one-time fixed costs will total $17,328 , and the variable costs will be $20.50 per book. For how many books produced will the costs from the two methods be the same?

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The basis to respond this question are:

1) Perpedicular lines form a 90° angle between them.

2) The product of the slopes of two any perpendicular lines is – 1.

So, from that basic knowledge you can analyze each option:

a.Lines s and t have slopes that are opposite reciprocals.

TRUE. Tha comes the number 2 basic condition for the perpendicular lines.

slope_1 * slope_2 = – 1 => slope_1 = – 1 / slope_2, which is what opposite reciprocals means.

b.Lines s and t have the same slope.

FALSE. We have already stated the the slopes are opposite reciprocals.

c.The product of the slopes of s and t is equal to -1

TRUE: that is one of the basic statements that you need to know and handle.

d.The lines have the same steepness.

FALSE: the slope is a measure of steepness, so they have different steepness.

e.The lines have different y intercepts.

FALSE: the y intercepts may be equal or different. For example y = x + 2 and y = -x + 2 are perpendicular and both have the same y intercept, 2.

f.The lines never intersect.

FALSE: perpendicular lines always intersept (in a 90° angle).

g.The intersection of s and t forms right angle.

TRUE: right angle = 90°.

h.If the slope of s is 6, the slope of t is -6

FALSE. – 6 is not the opposite reciprocal of 6. The opposite reciprocal of 6 is – 1/6.

So, the right choices are a, c and g.

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A pizzeria owner wants to know which pizza topping is least liked by her customers so she can take it off the menu. She used four different methods to find this information. Method 1: The owner asked every third customer to rate all the pizza toppings in order of preference. Method 2: The owner gave all customers a toll-free telephone number and asked them to phone in their topping preferences. Method 3: The owner asked the preferences of every other teenager who entered the pizzeria. Method 4: The owner reviewed the pizzeria’s complaint cards and assessed all complaints related to pizza toppings. Which method is most likely to give a valid generalization

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A pizzeria owner wants to know which pizza topping is least liked by her customers so she can take it off the menu. She used four different methods to find this information. Method 1: The owner asked every third customer to rate all the pizza toppings in order of preference. Method 2: The owner gave all customers a toll-free telephone number and asked them to phone in their topping preferences. Method 3: The owner asked the preferences of every other teenager who entered the pizzeria. Method 4: The owner reviewed the pizzeria’s complaint cards and assessed all complaints related to pizza toppings. Which method is most likely to give a valid generalization

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A researcher is studying whether 3-year-old children prefer to play with male or female toys. boys and girls are placed in a room filled with toys and the researcher observes and records what he sees through a one-way mirror. what kind of research method is being used

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1. The answer is “C”.

“Identical twins” who have been raised apart are typically more similar in intelligence level than biological siblings raised together because they have been born with the same genetic code.

Identical twins originate from a single fertilized egg that parts into two. Before it parts, it is either male or female. After it parts, there are either two guys or two females. The two sections of the fertilized egg embed in the uterus and every create one of the twins.  

Identical twins have the equivalent hereditary source. No immediate reason for monozygotic twinning has been resolved; it isn’t innate. Monozygotic twins speak to around 33% all things considered. They may look strikingly comparative, and it might be hard to reveal to them separated.

2. The answer is “A”.

Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in “consensus democracy” in small group settings.

Lawrence Kohlberg felt that the best way to support development through these stages was by discourse of good problems and by investment in consensus democracy inside small groups. Consensus democracy was rule by understanding of the gathering, not larger part rule. This would invigorate and widen the reasoning of youngsters and grown-ups, enabling them to advance starting with one phase then onto the next.

3. The answer is “D.  showing a learner how to correct common mistakes”.

The term scaffolding alludes to a procedure in which instructors display or exhibit how to take care of an issue, and afterward venture back, offering support as required. Analyst and instructional architect Jerome Bruner first utilized the term ‘scaffolding’ in this setting, harking back to the 1960s. The hypothesis is that when understudies are given the help they require while discovering some new information, they stand a superior possibility of utilizing that learning freely. Bruner suggests positive association and three methods of portrayal amid educating: activities, pictures, and dialect.  

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Earth’s climate ________. select one: a. has been stable over the history of the planet b. is changing as a result of natural and human processes c. will stabilize over the next century, according to the predictions of most scientists d. has changed only once due to the evolution of green photosynthesizing plants e. history is undeterminable because there is no method of studying climatic history of the planet

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Natural Forces Affecting the Driver:

1. While the car stops, the person continues moving the way that the car were moving and then hits the obstacle in the car or the person can be thrown out of the vehicle. If the person wears belt, he will stop moving with the vehicle and won’t hit the obstacle.

2. We count approximate kinetic energy using the formula K = v^2. So the vehicle which is moving at 30 mph will have four times less kinetic energy than vehicle which is moving at 60 mph. If they have the same road conditions, the breaking distance will be four times as great for the car moving twice as fast.

3. Kinetic energy depends on object’s mass and velocity and it has direct relationship with the stopping distance. The lesser mass of the vehicle = the lesser kinetic energy and lesser stopping distance. => If both vehicles have the same velocity, then small vehicle has lesser kinetic energy than large vehicle.

4. We know that kinetic energy has this relationship with velocity K = v^2. So the best way to prepare to enter sharp curves in the roadway is to lower the speed. The most appropriate speed is 20-30 mph, but it depends on road conditions and car’s breaks condition.

5. Car crashes can happen with everyone so the best way is to be prepared. First the driver should wear a seatbelt while he’s driving. He should check his tires and breaks condition regularly. And also it’s important to slow down the vehicle while entering sharp curves. Without following these rules, the driver can get catastrophic injuries in a car crash.

Signs, Signals, and Pavement Markings: 

1. It doesn’t matter where you go. All you need is to learn highway code. It’s very different to know the meanings of every road sign. Also, it’s necessary to check your car’s conditions and you should take some spare parts for your car in case of accidents. So wherever you go, it’s important to be prepared.

2. You should stop before crossing and take few minutes to make sure there is no train approaching. If there is no train approaching, you can pass a railroad crossing. If you see approaching train, you should wait until it will pass a railroad crossing.

3. You should stop before the lights and wait to check the traffic movement and signs. Make sure that everything is safe and pass the intersection. Don’t move fast to avoid accidents.

4. Flashing yellow light means that it’s not necessary to stop but you should to pay attention on the traffic movement. So it would be better to yield before the lights and make sure if it’s safe to move. After that you can cross the intersection.

5. The line change means that the lane changes and you can’t cross solid lines. Pay more attention on road marking because it shows how you should behave on the road or highway.

6. As you approach the next exit and  your passengers need to use the restroom and get some food, you should look for green signs which indicate food and rest stops. You should to slow down if you don’t want to skip the sign.

7. When you take the exit ramp off the expressway and merge onto the next road, you see yellow lines dividing the roadway which indicates that there is oncoming traffic and this is a two-way highway. 

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“because data in a computer can be easily accessed and modified, that presents a challange for the investigators of a computer crime. what method is used to make sure the files the investigator have have not been changed from their original state found in the crime computer

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Hey there!

Let’s assume that this question is referring to every digital calendar ever made. As in, even those made on devices without internet connectivity or any other fancy features that we utilize with many digital calendars today. 

If a planning device that came with a digital calendar didn’t have internet connectivity, it wouldn’t be able to be connected to the cloud. Back when these devices were around, it wasn’t even plausible to store things like calendar events and contacts in what we know as the “cloud”. Also, these devices probably had to be hardwired to a computer and new software had to be downloaded to them, so the updates weren’t automatic. Archaic, right?

Also, consider the fact that even reputable websites/companies such as Google with Google Calendars or Apple with iCalendar will never go without their malfunctions or threats. Sometimes, these websites can be hacked and the data that they contain can be compromised, especially if they’re stored on the cloud. Also, even though it’s not realistic, Google or Apple could one day decide to completely get rid of their calendar programs altogether. So, this means that digital calendars are definitely able to be destroyed or lost. 

That just leaves “They can be used anywhere”. This is true, even with those archaic devices specifically used for scheduling events and such. Nowadays, you have your phone and possibly a laptop on you at all times, which will likely have a calendar on it as a stock application. So, I think this is your answer. 

Hope this helped you out! 🙂

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Medical schools have begun to employ which method to help decreased doubt and improve the application of medical knowledge? 1. clinical rotoations 2. extended residency programs 3. evidence-based medicine 4. grand rounds

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1. The answer is “C”.

“Identical twins” who have been raised apart are typically more similar in intelligence level than biological siblings raised together because they have been born with the same genetic code.

Identical twins originate from a single fertilized egg that parts into two. Before it parts, it is either male or female. After it parts, there are either two guys or two females. The two sections of the fertilized egg embed in the uterus and every create one of the twins.  

Identical twins have the equivalent hereditary source. No immediate reason for monozygotic twinning has been resolved; it isn’t innate. Monozygotic twins speak to around 33% all things considered. They may look strikingly comparative, and it might be hard to reveal to them separated.

2. The answer is “A”.

Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in “consensus democracy” in small group settings.

Lawrence Kohlberg felt that the best way to support development through these stages was by discourse of good problems and by investment in consensus democracy inside small groups. Consensus democracy was rule by understanding of the gathering, not larger part rule. This would invigorate and widen the reasoning of youngsters and grown-ups, enabling them to advance starting with one phase then onto the next.

3. The answer is “D.  showing a learner how to correct common mistakes”.

The term scaffolding alludes to a procedure in which instructors display or exhibit how to take care of an issue, and afterward venture back, offering support as required. Analyst and instructional architect Jerome Bruner first utilized the term ‘scaffolding’ in this setting, harking back to the 1960s. The hypothesis is that when understudies are given the help they require while discovering some new information, they stand a superior possibility of utilizing that learning freely. Bruner suggests positive association and three methods of portrayal amid educating: activities, pictures, and dialect.  

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