2 points Save Answer The adjustable contact of a 1M linear potentiometer is set at 1/4 of full rotation from the lower-end terminal. What is the resistance between the adjustable contact and the upper-end terminal?

Answers

Answer 1

The resistance between the adjustable contact and the upper-end terminal of a 1M linear potentiometer, when the contact is set at 1/4 of full rotation from the lower-end terminal, can be calculated as follows:

The resistance of a linear potentiometer is distributed evenly along its entire length. Since the potentiometer has a total resistance of 1M (1 megohm), the resistance between the adjustable contact and the upper-end terminal can be determined by finding the proportion of the total resistance.

When the contact is set at 1/4 of full rotation from the lower-end terminal, it means that the adjustable contact has traveled 1/4 of the total length of the potentiometer track. Thus, the resistance between the adjustable contact and the upper-end terminal would be 1/4 of the total resistance.

Therefore, the resistance between the adjustable contact and the upper-end terminal of the 1M linear potentiometer, in this case, would be 1/4 of 1M, which is 250k ohms (or 250,000 ohms).

When the adjustable contact of a 1M linear potentiometer is set at 1/4 of full rotation from the lower-end terminal, the resistance between the adjustable contact and the upper-end terminal is 250k ohms. This can be calculated by considering the proportion of the total resistance based on the position of the adjustable contact along the potentiometer track.

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Related Questions

A researcher puts the name of each person in a sampling frame list on a 3" x 5" card, shuffles the cards thoroughly, and then selects 35 names from the top of the pile of cards for a phone interview study. What type of sampling procedure is being used?​

Answers

The sampling procedure that is being used in this case is simple random sampling.

What is sampling?

Sampling refers to the method of choosing a subset of individuals from a population to represent the whole population, with the aim of making inferences or conclusions about the population. The different types of sampling are random, stratified, cluster, and systematic, among others. Simple random sampling, as well as its variants, is the most basic and common method of random sampling.

What is simple random sampling?

Simple random sampling is a probability sampling technique in which every item in the sampling frame has an equal probability of being selected. This means that every element in the population has an equal chance of being included in the sample. The researcher first creates a sampling frame, which is a list of all the elements in the population, and then selects individuals for the sample at random.

The selection of each item is independent of the selection of the others, so the sample is representative of the population and free from bias. In this scenario, each individual's name in the sampling frame list has an equal chance of being picked, thus making it simple random sampling.

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If you subtract 17 from my number and multiply the difference by ​-5 , the result is -25 ​." What is ​'s ​number?

Answers

Answer:

22

Step-by-step explanation:

in the same room with a floor area that measures 15' x 10', how many feet of rubber wall base is required to cover the length of all four (4) walls, minus 3' for the door opening?

Answers

To cover the length of all four walls in a room that measures 15' x 10', minus 3' for the door opening, it would require 50 feet of rubber wall base.

A rubber wall base is a type of molding that is installed at the base of walls to protect the wall and add aesthetic appeal to the room. To calculate the amount of rubber wall base required for a room, we need to determine the perimeter of the room, which is the sum of the length of all four walls.

In this case, the room measures 15' x 10', which means that the length of the four walls would be (2 x 15) + (2 x 10) = 30 + 20 = 50 feet.

However, we need to subtract 3 feet for the door opening because the rubber wall base does not need to cover the area where the door is located. Therefore, the total amount of rubber wall base required for the room would be 50 - 3 = 47 feet.

But, we need to add some extra footage for corner pieces and cuts. Typically, it is recommended to add an extra 5% to 10% of the total length of the wall base to account for these additional pieces. So, adding 5% of 47 feet, we get an additional 2.35 feet, which we can round up to 3 feet.

Therefore, the final answer is 47 + 3 = 50 feet.

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Please help me with this and explain how you got the answer. :)

Please help me with this and explain how you got the answer. :)

Answers

Answer:

8 1/4

Step-by-step explanation:

6 3/5 ÷ 0.8

6 3/5 = 33/5

0.8 = 8/10

6 3/5 ÷ 0.8

= 33/5 ÷ 8/10

= 33/5 * 10/8 ( Because multiplication and division are inverse operations)

= 33/4

= 8 1/4

=

Need help with these 2 questions pls help me will mark brainiest.

Need help with these 2 questions pls help me will mark brainiest.

Answers

Answer:

B and A

Step-by-step explanation:

Answer:

7) B.

8) B.

Step-by-step explanation:

7)

The line does have the y-intercept of an origin (0, 0). So the equation will not show the y-intercept.

how to solve for perimiter of a shape

Answers

The sides of an irregular shape are not all the same length. We add together all the lengths of an irregular shape's outer sides to determine its perimeter.

What is the perimeter of a shape?

The full distance around any two-dimensional closed shape is referred to as its perimeter. the outermost point of a polygon, like this: The total of the four sides makes up the square's circumference. The total of a rectangle's four sides is its perimeter.

using the circumference formula, get the length of that area of the figure, and then add that length to the sum of the other sides.

Area is the portion of the plane or region that a closed figure occupies, whereas perimeter refers to the space surrounding it. You will study the areas and perimeters of a few more plane figures in this class.

Therefore, The sides of an irregular shape are not all the same length. We add together all the lengths of an irregular shape's outer sides to determine its perimeter.

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what is the slope of a line perpendicular to the line whose equation is x-3y=-27

Answers

Answer: Slope perpendicular= -3

x-3y=-27
-x -x
-3y=-x-27
divide by -3
y=(1/3)x+9

Slope perpendicular= -3

In science, a theory Multiple Choice is tested by an experiment. is more narrow in scope than a hypothesis. encompasses many hypotheses. cannot be tested. is held to be an absolutely correct answer to a question.

Answers

The correct option is that in science, a theory encompasses many hypotheses.

In science, a theory is a well-established explanation that is supported by scientific evidence and is extensively tested through experimentation and observation.

It's a big idea that includes several connected hypothese that have been thoroughly investigated and found to be true. A theory that hasn't been put to the test is called a hypothesis.

A hypothesis is a proposed explanation that is subject to further testing. It's an untested hypothesis that hasn't yet undergone experimental validation. Theories are the result of a drawn-out and labor-intensive process of experimentation and observation.

They can never be established as an absolute answer to a scientific problem. Instead, they lay the groundwork for additional investigation and experimentation in that field of study.

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A triangle has sides of 12&20. Which of the following could be the length of the third side?

Answers

The possible length of the third sides is between 8 and 32

How to determine the possible length of the third side

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

Lengths = 12 and 20

The possible length of the third side can be calculated using the triangle inequality theorem

For this triangle, the length of the third side must be greater than

20 - 12 = 8

Also, the length of the third side must be less than

12 + 20 = 32

Hence, the possible length of the third sides is between 8 and 32

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write an equation of a line perpendicular to the line 1/2x - 5 , passing through the point (-1 , 7)

Answers

Answer ↓

y=-2x+5

Calculations ↓

First of all we need to determine the slope of the line perpendicular to y = 1/2x - 5 .

The slopes of perpendicular lines are opposite reciprocals.

So we take 1/2 , turn it over , and change it's sign :

\(^1/_2\:\:\:--- > ^2/_1\:\:\:--- > 2\:\:\:--- > -2\)

The slope of the line perpendicular to y = 1/2x-5 is -2 .

Since we're also given a point that the line crosses , we can write the line's equation in point - slope form :

y-y₁=m(x-x₁)

y-7=-2(x-(-1)

y-7=-2(x+1)

Now convert to slope intercept :

y-7=-2x-2

add 7 on both sides :

y = -2x+5

\(\footnotesize\text{hope\:helpful}\)

PLEASE HELP V IMPORTANT
the answers I input were just so I could see other questions.

PLEASE HELP V IMPORTANTthe answers I input were just so I could see other questions.

Answers

Step-by-step explanation:

(T-S)(2000), when T(x) and S(x) are functions, is equivalent to T(2000)-S(2000), which is 17-7=10

We know that T(x) is equal to everything else, and everything else is S(x)+G(x), so T(x)-S(x) = G(x), or dollars spent on general science

Write and solve an equation for each problem situation. Define the variable

A) Scott spent half of his weekly allowance on music.
To help him earn more money, his parents let him wash the car for $6.53. What is his weekly allowance if he ended with $12.03

Answers

Answer:

His weekly allowance is $5.50.

Step-by-step explanation:

12.03 - 6.53 = $5.50

I'm not 100% sure this is accurate. Good Luck!

Which shows the phrase "6 times the sum of 3 and 4"?

A. 6 + 3 + 4
B. (3 + 4) ÷ 6
C. 6 × (3 + 4)
D. (3 + 4) – 6

Answers

Answer:

C

Step-by-step explanation:

It can't be A as it would've said add all 3 together.

It can't be B as it's says divide 6. we want times.

It can't be D as it minus 6.

what is 4 + 7 x 2 – 8

Answers

Answer:

The answer is 10.

Step-by-step explanation:

4 + 7 x 2 - 8.

7 x 2 = 14

4 + 14 = 18

18 - 8 = 10

So, the answer is 10

Hope this helps! :)

Using the BODMAS rule, the value of the expression  (4+7x2 –8) is 10.

What is BODMAS?

BODMAS is a system that decides the preference of mathematical operations to solve an expression.

B stands for Bracket

O stands for of

D stands for division

M stands for multiplication

A stands for addition

S stands for subtraction.

So,  In the given expression (4 + 7 x 2 – 8) first, we will do multiplication

i.e. 4+14-8

Secondly, we will do the addition

i.e. 18-8

Lastly, we will subtract

10

Hence, using the BODMAS rule, the value of the expression  (4+7x2 –8) is 10.

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Is the line through points P(8, 4) and Q(6, –1) parallel to the line through points R(1, –4) and S(4, 5)? Explain.

Answers

Answer:

No, the lines are not parallel

Step-by-step explanation:

They are not parallel because the slopes of the lines are not equal.

You are able to walk uphill at a speed of 2 miles per hour and downhill at a speed of 3 miles per hour. What does the graph represent?

You are able to walk uphill at a speed of 2 miles per hour and downhill at a speed of 3 miles per hour.

Answers

Using a piece-wise function, the representation of the graph is given as follows:

Walking uphill for 3 hours and downhill for 1 hour.

What is a piece-wise function?

A piece-wise function is a function that has multiple definitions, depending on the input.

In this problem, we have that:

For the first 3 hours, the slope is of 2 miles per hour, equivalent to walking uphill.For the final hour, the slope is of 3 miles per hour, equivalent to walking downhill.

Hence the meaning of the graph is:

Walking uphill for 3 hours and downhill for 1 hour.

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Please help !!!! ASAP

Please help !!!! ASAP

Answers

Answer:

Solution given:

length of arc LM={angle}/360*2*π*r

=here π=180 for angle and π for length

=(3π/4)/360*2*π *6

=(3*180/4)/360*2*π*6

=9/2π

option C

9/2π is a required answer.

A car traveling at 15 m/s starts to negatively accelerate steadily. It comes to a complete stop in 35 seconds. What is its acceleration?

Answers

The acceleration of the car, which comes to a complete stop, is -0.42857 m/s².

The acceleration of the car can be found using the formula:

acceleration = (final velocity - initial velocity) / time.

In this case, the final velocity is 0 m/s, the initial velocity is 15 m/s, and the time is 35 seconds. Plugging these values into the formula gives:

acceleration = (0 - 15) / 35

acceleration = -15 / 35

acceleration = -0.42857 m/s²

Therefore, the car's acceleration is -0.42857 m/s². This means that the car is negatively accelerating, or decelerating, at a rate of 0.42857 m/s².´

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Select three expressions that are equivalent to 16x + 12y

Answers

Answer:

I'm not sure what X or Y equals, But I'm pretty sure this could help!!

1. 4x + 16

2. 8x + 32

3. 2x + 8

A researcher wants to know if a new type of exercise improves people’s health. Would this be a one-tailed or a two-tailed test and why?
a) One-tailed because the study is only interested in whether exercise increases health. b) One-tailed because the study only looks at the effects of exercise and does not take other factors into account. c) Two-tailed because they will have to study healthy and unhealthy people. d) Two-tailed because there is no predicted direction of the difference.

Answers

Two-tailed because there is no predicted direction of the difference. The correct answer is D.

In hypothesis testing, a one-tailed test is used when the researcher has a specific prediction about the direction of the effect. They expect the results to be either greater than or less than a certain value. However, in this scenario, the researcher simply wants to investigate whether the new type of exercise improves people's health without any specific directional prediction.

A two-tailed test is appropriate when the researcher wants to determine if there is a significant difference between the groups being compared, but without specifying the direction of the difference. In this case, the researcher wants to examine if the new exercise has any effect on health, whether it improves or worsens it. Therefore, a two-tailed test is suitable as it allows for the possibility of observing a significant difference in either direction.

Therefore, considering these factors, the researcher should conduct a two-tailed test to assess the potential impact of the new exercise on people's health. The correct answer is D.

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during the last year the value of your house decreased by 20%. if the value of your house is $184,000 today, what was the value of your house last year? round your answer to the nearest cent, if necessary .

Answers

Answer:

The last year value of the house will be $230,000.

Step-by-step explanation:

GIVEN: Decrease in house price = 20%

            Current house price = $184,000

TO FIND: Value of the house last year

SOLUTION:

If the value of the house decreased by 20% during last year, this means the value of the house this year is 80% of last year's value.

Let the value of the house last year be 'x'.

If the value of the house today is  $184,000, then:

                           \(80/100 * x = 184,000\\\\0.8x = 184,000\\\\x = 184,000/0.8\\\\x = 230,000\)

Therefore, the last year value of the house will be $230,000.

GUYS PLEASE HELP ME PLEAS PLEASE PLEASE FOR THE LOVE OF GOD

GUYS PLEASE HELP ME PLEAS PLEASE PLEASE FOR THE LOVE OF GOD

Answers

Answer: A

Step-by-step explanation: Just sreach it up BURH

What is 36 ÷ ( 1 - |2-7| )?

Answers

Answer:

36 / (1 - |2 - 7|) = -9

Step-by-step explanation:

Answer:

-9

Step-by-step explanation:

Line C passes through the points (-3,-6) and (-1,-12). What is the slope of the line perpendicular to the line C

Answers

Answer:

The slope of the line perpendicular to the line C is 1/3.

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-12-(-6))/(-1-(-3))

m=(-12+6)/(-1+3)

m=-6/2

m=-3

perpendicular lines have negative reciprocal slopes.

2. At a store, 3 cents on every dollar spent is charged as sales tax. How much is paid as sales tax on a costume which cost $196.00​

Answers

$58.8

0.3 multiplied by $196.00 gets you $58.8 as sales tax.

Adding that to the $196 dollars, gets you a total sum and amount of $254.80

They paid sales tax on a customer which cost $196.00​ is 75 %.

We have given that,

At a store, 3 cents on every dollar spent is charged as sales tax.

What is the sale tax?

A sales tax is a tax paid to a governing body for the sales of certain goods and services

0.3 multiplied by $196.00

0.3 *196=58.8

$58.8 as sales tax.

Adding that to the $196 dollars

$58.8+$196=$254.80

Therefore total sum and amount of

=$254.80

Therefore, they paid sales tax on a customer which cost $196.00​ is 75%.

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catergorize the graph as linear decreasing, linear increasing, exponential growth or exponetnial decay

Answers

i cant help you with that bc there is no graph so...

Find the Slope
Using the slope equation

Find the SlopeUsing the slope equation

Answers

Answer:

1.5 hopefully

Step-by-step explanation:

Answer:

\(\dfrac{8}{3}\)

Step-by-step explanation:

Slope is defined as:

\(\dfrac{\textrm{rise}}{\textrm{run}}\)

We can count the number of units risen from the bottommost point with integer coordinates given to the uppermost point with integer coordinates given to get the values:

\(\textrm{rise} = 8\)

\(\textrm{run} = 3\)

Then, we simply plug the rise and run values into the slope formula.

\(\textrm{slope} = \dfrac{\textrm{rise}}{\textrm{run}} = \dfrac{8}{3}\)

Find the SlopeUsing the slope equation

help please !!
don’t understand







help please !! dont understand

Answers

Step-by-step explanation:

For two lines to be parallel they must have the same slope that is,M1=M2

For two lines to be perpendicular the slope of one must be the negative reciprocal of the other

Let's first find the slope of all three lines.

For line 1

6x-6=10y

2/5x-2/5=y

slope=2/5

For like 2

slope=5/3

For line 3

y=5/3x+2/3

We can therefore say that:

line 1 and line2 are neither parallel nor perpendicular

line 1 and line 3:

neither parallel nor perpendicular

line 2and line 3:

parallel lines

For every 7 push-ups Dulce can do, Sara can do 6. If Ducle did 28 push-ups during gym class, how many push-ups did sara do?

Answers

The number of push-ups did sara did during gym class if for every 7 push-ups Dulce can do, Sara can do 6 is 24 push ups.

How to solve ratio?

Number of push ups Dulce can do : number of push ups Sara can do

Let

number of push ups Sara does = x

7 : 6 = 28 : x

7/6 = 28/x

cross product

7 × x = 28 × 6

7x = 168

divide both sides by 7

x = 168/7

x = 24

Therefore, Sara does 24 push ups during the gym class.

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What is the square root of 89

Answers

Answer:

9.43398113206...

Step-by-step explanation:

Answer:

9.4

Step-by-step explanation:

√89 = 9.433981132

rounded - 9.4

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