why do we use the 2's complement representation to handle subtraction instead of direct subtraction? (again, you may search the internet for an answer) g

Answers

Answer 1

We use the 2's complement representation to handle subtraction instead of direct subtraction because it simplifies the implementation of subtraction in digital circuits and makes it more efficient.

The 2's complement representation allows us to represent negative numbers by taking the complement (flipping all the bits) of the positive number and adding 1. This means that we can perform addition and subtraction using the same hardware circuitry, by simply inverting the bits of the subtrahend (the number being subtracted) and adding it to the minuend (the number being subtracted from). For example, to subtract 5 from 7, we can represent 5 as 00000101 in binary, take its 2's complement to get 11111011, and then add it to 7 (represented as 00000111) to get the result 00000010, which represents the number 2. Using direct subtraction, we would have to perform a borrow operation when subtracting each bit, which is more complex and time-consuming than using the 2's complement representation. Furthermore, the 2's complement representation has the useful property that it preserves the order of numbers under addition and subtraction, which makes it easier to compare and manipulate signed numbers in computer programs.

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Related Questions

What is the value of X?

Answers

Answer: x = 2√381

Step-by-step explanation:

Call A the dotted line.

Using the Pythagorean theorem, we find that [tex]A^{2} + 16^{2}[/tex] [tex]= 22^{2}[/tex]

Simplifying gives:

[tex]A = \sqrt{16^2 + 22^2}\\A = \sqrt{740}\\A = 2\sqrt{185}[/tex]

Now we move to the other triangle we can call the sides: a, the dotted side, b the height, and x, the hypotenuse.

[tex]a = 2\sqrt{185}[/tex]

and

[tex]b = 44-16 = 28[/tex]

So,

[tex](2\sqrt{185})^{2} + 28^2 = x^2\\x = \sqrt{(2\sqrt{185})^2 +28^2 }\\x = \sqrt{740+784}\\x= \sqrt{1524}\\x= 2\sqrt{381}[/tex]

4. The department of fish and wildlife want to estimate the size of alligator population in
Louisiana. The department issued 937 tags to hunters in 2018. The average length of the
alligators was 11.2 ft with a standard deviation of 2.06 feet. What is the mean and
standard deviation of the population?

Answers

We can use the information provided to estimate the mean and standard deviation of the alligator population in Louisiana.

Let's start by using the formula for the standard error of the mean:

SE = s / sqrt(n)

where s is the sample standard deviation, n is the sample size, and SE is the standard error of the mean. The standard error of the mean estimates the standard deviation of the population based on the sample data.

Substituting the values given, we get:

SE = 2.06 / sqrt(937)
SE ≈ 0.067

Next, we can use the formula for the confidence interval of the mean:

CI = X ± (Z * SE)

where X is the sample mean, Z is the z-score associated with the desired level of confidence, and SE is the standard error of the mean. The confidence interval estimates the range within which the population mean is likely to fall based on the sample data.

Assuming a 95% level of confidence (which corresponds to a z-score of 1.96), we get:

CI = 11.2 ± (1.96 * 0.067)
CI ≈ (11.07, 11.33)

Therefore, we can estimate that the mean length of the alligator population in Louisiana is between 11.07 and 11.33 feet.

To estimate the standard deviation of the population, we can use the formula:

s = sqrt(((n-1) * s^2) / n)

where s is the sample standard deviation, n is the sample size, and s is the population standard deviation. This formula estimates the population standard deviation based on the sample data.

Substituting the values given, we get:

s = sqrt(((937-1) * 2.06^2) / 937)
s ≈ 2.03

Therefore, we can estimate that the standard deviation of the alligator population in Louisiana is approximately 2.03 feet.

Consider the spinner shown to answer the following questions. To break the code of puzzle three you will need to enter the numeric answer to each question, separated by a dash. Make sure to not add any labels, spaces, or commas. Be sure to convert all your answers to decimals.
For example, 32-085-7-.63-2

PLEASE HELP (photo below)

Answers

The missing values are:

1. 0.16667

2. 0.16667

3. 0.16667

4. 0.16667

5. 0.6667

6. 0.5

7. 0.5

We have a spinner having 6 sections.

1. Probability (getting e)

= 1/6

= 0.16667

2.  Probability (getting D)

= 1/6

= 0.16667

3.  Probability (getting vowel)

= 2/6

=1/3

= 0.16667

4.  Probability (getting C)

= 1/6

= 0.16667

5.  Probability (getting consonant)

= 4/6

= 2/3

= 0.6667

6.  Probability (getting Capital letter)

= 3/6

= 0.5

7.  Probability (getting lowercase letter)

= 3/6

= 0.5

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In an arithmetic sequence, U2= 5 and U3= 11.

Find the common difference.


Find the first term.


Find the sum of the first 20 terms

Answers

The common difference is 6, and the sum of the first 20 terms for the arithmetic sequence 1120.

U2 = 5

U3 = 11

Finding the common difference (d)

U3 - U2

= 11 - 5

= 6

Finding the first term (U1):

U1 = U2 - (2 - 1) × d

= 5 - (2 - 1) × 6

= 5 - 6

= -1

Finding the sum of the first 20 terms:

Sn = n/2 × (2U1 + (n - 1)d)

Sn = 20/2 × (2 × -1 + (20 - 1) × 6)

= 10 × (-2 + 19 × 6)

= 10 × (-2 + 114)

= 10 × 112

= 1120

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represent -3/11 on the number line.

Answers

The number -3/11 on the number line is added as an attachment

Representing -3/11 on the number line.

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

Number = -3/11

To represent -3/11 on a number line, we use the following steps

Create an interval from -5 to 6 i.e. 11 spacesPlot -3/11 on point -3

Using the above as a guide

The number line is added as an attachment

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Suppose a fair coin is tossed two times. Construct an equiprobable sample space for the experiment, and determine each of the following probabilities. (Enter your probabilities as fractions.) (a) Pr(0 heads) (b) Pr(1 head) (c) Pr(2 heads)

Answers

The probabilities of the possible outcomes obtained from tossing a fair coin two times are;

(a) Pr(0 heads) = 1/4

(b) Pr(1 head) = 1/2

(c) Pr(2 heads) = 1/4

What is the probability of an event?

The probability of an event is the ratio of the number of required outcome to the number of possible outcomes.

The equiprobable sample space of tossing a fair coin two times is; {HH, HT, TH, TT}, where;

H = Heads

T = Tails

The sample space indicates that there are 4 possible outcomes

(a) The possibility of getting 0 heads, is to get TT, therefore, the probability of getting zero heads, Pr(0 heads) = TT = 1/4

(b) The possibility of getting 1 head is to get. HT or TH, therefore;

The probability of getting 1 head, Pr(1 heads) = 2/4 = 1/2

(c) The number of possibility of getting 2 heads, is to get HH = 1

Therefore, the probability of getting 2 heads, Pr(2 heads) = 1/4

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(Chapter 13) Suppose f is twice continuously differentiable. At an in ection point of the curve y = f(x), the curvature is 0.

Answers

The curvature is zero at the origin, but f(x) is not twice continuously differentiable function at x = 0, because f''(x) does not exist at x = 0. Therefore, the statement is not necessarily true.

An inflection point is a point on a curve where the sign of the curvature changes. At an inflection point, the curvature may be zero, but it may also be undefined.  Moreover, even if the curvature is defined and equal to zero at an inflection point, it does not necessarily imply that the function is twice continuously differentiable at that point.

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Jack is running a 5-mile race with Jill. Jack's run is represented by the function d = 0.05t,
where d is distance traveled in miles and t is the minutes run. Jill's run is represented by d
0.04t+ 0.5.
=
Part A
How do the graphs of Jack's representative function and Jill's representative function
compare to the graph of the linear parent function?
Part B
What do the effects of comparing Jack and Jill's functions to the linear parent function mean
in the real-world context?

Answers

When we compare functions we see that Jack and Jill have the smaller slopes

How to solve the problem

Jack's function: d = 0.05t

Slope (m1) = 0.05

Y-intercept (b1) = 0

Jill's function: d = 0.04t + 0.5

Slope (m2) = 0.04

Y-intercept (b2) = 0.5

Linear parent function: d = t

Slope (m0) = 1

Y-intercept (b0) = 0

When we compare functions we see that Jack and Jill have the smaller slopes

B. Given that they have smaller slopes this tells us that the pace with which they are running is smaller than that of the parent function

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a) the perpendicular bisector of any line
XY.
b) the bisector of any angle XYZ.
c) the perpendicular from any point Z to line
XY.
The locus of points equidistant
from lines XY and YZ.
The locus of points equidistant
from points X and Y.
The shortest line from point
Z to line XY.
The line from point Z to the
midpoint of the line XY.
The locus of points equidistant
from points X and Z.
The locus of points equidistant
from lines XY and XZ.

Answers

At the perpendicular bisector of any line

XY and the bisector of any angle XYZ, the correct option is A. The locus of points equidistant from lines XY and YZ.

How to explain the bisector

Angle bisector is a locus or set of points that bisects an angle and is equidistant from two intersecting math that create an angle

The perpendicular bisector is a set of points that bisects a line generated by Linking two points and are equidistant from two points.

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The circle passes through the point ( 3 , 6 ) What is its radius?

Answers

Answer: 5

Step-by-step explanation: The center of the circle will be (–3, 6), and the radius, which is the distance from (–3,6), will be 5. The standard form of a circle is given below: (x – h)2 + (y – k)2 = r2, where the center is located at (h, k) and r is the length of the radius. In this case, h will be –3, k will be 6, and r will be 5.

Solving systems of equations by graphing

Answers

The solution is,

a) Option A

y = 2x + 10

Option B

y = 3x

b) Option A is represented with the red line and Option B is represented by the blue line.

Total Cost is presented on the y-axis and the Number of rides is presented on the x-axis.

The graph is presented below.

From this graph, we can see that the two lines cross at (10, 30)

So, the two options will have the same rides and the same total cost when

x = 10 rides

y = 30 dollars

Explanation:

There are two options to consider,

Let the amount to be paid be y

Let the number of rides be x

Option A

Each ride costs $2

x rides will cost 2x dollars

Activation fee = 10 dollars

Total cost = y

y = 2x + 10

Option B

Each ride costs $3

x rides will cost 3x dollars

Activation fee = 0

Total cost = y

y = 3x

So, we end up with a system of equation for when the number of rides and the total cost for both options become the same

y = 2x + 10

y = 3x

b) We are asked to solve this system of equations by graphing.

To do this, we will first plot the two lines for each equation, then the solution will be where the two lines cross each other.

We will use intercepts to plot the first line

y = 2x + 10

when x = 0,

y = 2x + 10

y = 2(0) + 10

y = 0 + 10

y = 10

First point on this line is (0, 10)

when y = 0

y = 2x + 10

0 =2x + 10

-2x = 10

Divide both sides by -2

(-2x/2) = (10/-2)

x = -5

Second point on the line is (-5, 0)

For the second option

y = 3x

when x = 0

y = 3x

y = 3(0)

y = 0

First point on this line is (0, 0)

when x = 1

y = 3x

y = 3(1) = 3

Second point on the line is (1, 3)

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Please solve this and I will give u brainlst.
A pipe at an amusement park sprays water onto visitors. A cross section of each pipe has the shape of a parallelogram. Answer parts ​(a)​(c).

Answers

Answer:

a. The interior angles of Parallelogram B (Pipe B) are 30°, 150°, 150°, and 30°. Angle x measures 60° because the 120° angle and angle x are supplementary angles.

c. Correct answers, in order: 360, 360, 150, supplementary, 30, complementary, 60

A summary of two stocks is shown.


Name of Stock Symbol Closing Price Day 1 Closing Price Day 2 Closing Price Day 3
Metroplis, Ltd MTP 17.95 18.28 18.25
Suburbia, Inc SBR 5.63 5.88 4.98


Suppose you purchase 30 shares of Metropolis stock and 55 shares of Suburbia stock on Day 1 at the closing price. Which day, during the following two days, would be the best to sell both stocks?
Day 2 is the best by $26.75.
Day 3 is the best by $26.75.
Day 2 is the best by $23.65.
Day 3 is the best by $23.65.

Answers

The best day to sell both stocks is Day 2, since the total value of both stocks is highest on that day, option C is correct.

On Day 1, the total value of the 30 shares of Metropolis stock is:

30 shares x $17.95 per share = $538.50

And the total value of the 55 shares of Suburbia stock is:

55 shares x $5.63 per share = $309.65

So the total value of both stocks on Day 1 is:

$538.50 + $309.65 = $848.15

On Day 2, the total value of the shares of Metropolis stock is:

30 shares x $18.28 per share = $548.40

And the total value of the shares of Suburbia stock is:

55 shares x $5.88 per share = $323.40

The total value of both stocks on Day 2 is: $871.8

for Day 3, total value of both stocks on Day 3 is $$821.40

Therefore, we can see that the best day to sell both stocks is Day 2, since the total value of both stocks is highest on that day:

$871.80 - $848.15 = $23.65

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Julio can stain the deck three times faster than his cousin Samuel can. Together, they can stain the deck in 3 h.
Let a represent the number of hours Julio requires to stain the deck.
What is the equation to solve the situation?
How long will it take Julio to stain the deck?

Answers

According to the information, Samuel can stain the deck in 4 hours, and Julio can do it three times faster, in 4/3 hours or 1 hour and 20 minutes.

What is the equation to solve the situation?

Let's assume that Samuel can stain the deck in x hours. Then, Julio can do the same job in x/3 hours (since he is three times faster).

Working together, they can stain the deck in 3 hours. Using the concept of work, we can set up the following equation:

1/x + 1/(x/3) = 1/3

Simplifying this equation by finding a common denominator, we get:

3/(3x) + x/(3x) = 1/3

Combining like terms, we get:

4x/(3x) = 1/3

Cross-multiplying, we get:

12x = 3x

Solving for x, we get:

x = 4

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Which word describes the "4" in this expression? ​4h A term B product C sum D coefficient?

Answers

Answer:

coefficient

Step-by-step explanation:

the 4 is the coefficient

Hasina is making green tea lattes. She steams milk to mix with hot tea. Hasina has 12 fl oz of hot tea. Based on the ratio in the recipe,how much milk does Hasina need to steam?

Answers

The amount of milk Hasina need to steam cannot be calculated with the given information

Calculating how much milk does Hasina need to steam?

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

Size = 12 fl oz

Mix type = steams milk to mix with hot tea

The available parameters is not enough to determine the ratio

Assuming that we have

Ratio of steam to hot tea is 1 : 2

Then the steam would be:

Steam = 12/2

Simplify

Steam = 6 oz

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Question 2 (Essay Worth 30 points)
(10.08 HC)

The function h is defined by the power series =h of x is equal to x cubed plus the quantity x to the fourth power over 3 end quantity plus the quantity x to the fifth power over 5 end quantity plus x to the sixth power over 7 end quantity plus the quantity x to the seventh power over 9 end quantity plus dot dot dot equals the summation from n equals 0 to infinity of the quantity x to the power of n plus 3 end quantity over the quantity 2 times n plus 1 end quantity period

Part A: Determine the interval of convergence of the power series for h. (10 points)

Part B: Find h ′(−1) and determine if the new series converges or diverges. Justify your response and discuss the relationship between the radius of convergence and interval of convergence of h(x) and h ′(x). (10 points)

Part C: Determine if the power series h(x2) has any points of inflection. Justify your answer. (10 points)

Answers

Answer:

I'm not sure if this what your looking for as an answer, but I hope it helped!

The function h(x) is given as the power series:

=h(x) = x³ + (x⁴/3) + (x⁵/5) + (x⁶/7) + (x⁷/9) + ...

Part A: To determine the interval of convergence, we use the ratio test:

lim(n→∞) |(x^(n+4))/(2(n+2)+1) * (2n+1)/(x^n+3)| = lim(n→∞) |x|^2/2 = |x|^2/2

The ratio test tells us that the series converges if |x|²/2 < 1 and diverges if |x|²/2 > 1. Therefore, the interval of convergence is -√2 < x < √2.

Part B: To find h′(−1), we differentiate the power series term by term:

h′(x) = 3x² + 4x³/3 + 5x⁴/5 + 6x⁵/7 + 7x⁶/9 + ...

h′(−1) = 3(−1)² + 4(−1)³/3 + 5(−1)⁴/5 + 6(−1)⁵/7 + 7(−1)⁶/9 + ...

= 3 − 4/3 + 1/5 − 6/7 + 1/9 − ...

= ∑(n=0 to ∞) (−1)^n * (2n+3)/(2n+1)

We can use the alternating series test to show that the series converges. The terms decrease in absolute value, and the limit of the terms approaches zero. Therefore, h′(−1) converges.

The relationship between the radius of convergence and interval of convergence of h(x) and h′(x) is that the radius of convergence of h′(x) is the same as that of h(x), but the interval of convergence may be different due to the behavior at the endpoints.

Part C: To determine if h(x²) has any points of inflection, we differentiate twice:

h(x²) = (x²)³ + ((x²)⁴/3) + ((x²)⁵/5) + ((x²)⁶/7) + ((x²)⁷/9) + ...

h′(x) = 3x⁴ + 4x⁵/3 + 5x⁶/5 + 6x⁷/7 + 7x⁸/9 + ...

h″(x) = 12x³ + 20x⁴/3 + 30x⁵/5 + 42x⁶/7 + 56x⁷/9 + ...

We can see that h″(x) is always positive, so h(x²) does not have any points of inflection.

What is the solution to this equation? In(x+6)-In(2x-1)=0

A. x = 5
B. x = -7
C. x = -5
D. x = 7

Answers

The solution to the equation ln(x+6)-In(2x-1)=0 is x = 7

What is the solution to the equation?

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

ln(x+6)-In(2x-1)=0

Rewrite as

ln(x+6) = In(2x-1)

When the equations are compared, we have

x + 6 = 2x - 1

Evaluate the like terms

x = 7

Hence, the solution is x = 7

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Need Help ASAP
10 points. please help ​

Answers

The length of the arc BC is given as follows:

Arc BC = 10π units.

What is the measure of the circumference of a circle?

The circumference of a circle of radius r is given by the equation presented as follows:

C = 2πr.

The radius in this problem is of 10 units, hence the length of the whole circumference is of:

C = 20π units.

The entire circumference is of 360º, hence arc BC is half the circumference, and it's length is given as follows:

Arc BC = 10π units.

Missing Information

The problem asks for the length of arc BC.

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The function f(x) is shown on the graph. The graph shows a downward opening parabola with a vertex at 3 comma 25, a point at negative 2 comma 0, a point at 8 comma 0, a point at 0 comma 16, and a point at 6 comma 16. What is the standard form of the equation of f(x)?

Answers

The equation of the parabola in standard form is f(x) = -(x - 3)² + 25

the vertex of the parabola is given as (3, 25), we know that the equation of the parabola can be written in vertex form as:

f(x) = a(x - 3)² + 25

where a is a constant that determines the shape of the parabola.

The point (6, 16) lies on the parabola

so we can substitute x = 6 and y = 16 into the equation above to find 'a'.

16 = a(6 - 3)² + 25

-9 = 9a

Dividing both sides by 9, we get:

a = -1

Now we know that the equation of the parabola is:

f(x) = -(x - 3)² + 25

Hence, the equation of the parabola in standard form is f(x) = -(x - 3)² + 25

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A manager's sample estimated the standard deviation of number of credit cards per employee to be 3 cards. You are researching the average number of credit cards per employee. You want to know how many people you should survey if you want to know, at a 95% confidence level, that the sample mean credit cards per employee is within 1point of the true number of credit cards per employee.
Use a calculator to find the value of z that you should use in the sample size formula

Answers

To find the value of z for a 95% confidence level, we can use a z-score table or a calculator. The z-score corresponding to a 95% confidence level is 1.96.

To determine the sample size, we can use the formula:

n = (z^2 * s^2) / E^2

where:
n = sample size
z = z-score (1.96 for 95% confidence level)
s = estimated standard deviation (3 cards)
E = margin of error (1 card)

Plugging in the values, we get:

n = (1.96^2 * 3^2) / 1^2
n = 34.56

We need to round up to the nearest whole number, so the sample size should be 35 people. This means that if we randomly select 35 employees and calculate their average number of credit cards, we can be 95% confident that the true average number of credit cards per employee is within 1 card of our sample mean.
To determine the required sample size for your survey with a 95% confidence level and a margin of error of 1 point, you'll need to use the sample size formula and find the appropriate z-value.

The sample size formula is: n = (z^2 * σ^2) / E^2

Where:
- n is the sample size
- z is the z-value corresponding to the desired confidence level (95% in this case)
- σ is the estimated standard deviation of the population (3 credit cards per employee)
- E is the margin of error (1 point)

For a 95% confidence level, the z-value is approximately 1.96. You can find this value using a z-table or an online calculator.

Now, plug the values into the formula:

n = (1.96^2 * 3^2) / 1^2
n = (3.8416 * 9) / 1
n ≈ 34.5744

Since you cannot survey a fraction of a person, round up to the nearest whole number. Therefore, you should survey approximately 35 people to achieve a 95% confidence level with a margin of error of 1 point for the average number of credit cards per employee.

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Find the probabilities for the values of n
and \(p\_ when the conditions for the binomial distribution are met

Answers

The probability that two batteries used sequentially will remaining greater than 4 years is about 6.95%.

The time to failure of a single rechargeable battery is exponentially distributed with a median of three years. which means that the opportunity that a single battery will ultimate more than 4 years is given via:

P(X > 4) = e^(-4/3) ≈ 0.2636

Wherein X is the time to failure of a single battery.

Assuming that the two batteries are used sequentially and independently, the chance that each batteries will remaining more than four years is given by means of the made from their man or woman probabilities:

P(X1 > 4 and X2 > 4) = P(X1 > 4) * P(X2 > 4)

For the reason that two batteries are used successionally, the probability of the alternate battery lasting further than 4 times is analogous to the chance of the first battery lasting redundant than 4 years

P(X1 > 4 and X2 > 4) = P(X > 4)^2 ≈ 0.0695

Consequently, the probability that two batteries used sequentially will remaining greater than 4 years is about 0.0695 or 6.95%.

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A square pyramid is sliced in such a way that the plane cuts in a direction perpendicular to the base but does not pass through the vertex, what is the resulting cross section?

Answers

If a square pyramid is sliced in a way that the plane cuts in a direction perpendicular to the base but doesn't pass through the vertex, the resulting cross-section will be a trapezoid.

This trapezoid will have one pair of parallel sides and one pair of non-parallel sides.

To understand why the resulting cross-section is a trapezoid, imagine a square pyramid standing on its base. Now, imagine slicing the pyramid horizontally, parallel to the base. The resulting cross-section would be a square.

However, if we change the direction of the slice to be perpendicular to the base, but not passing through the vertex, the resulting cross-section will not be a square. Instead, it will be a trapezoid, with one set of parallel sides corresponding to the base of the pyramid, and the other set of sides corresponding to the slice that was made.

This type of cross-section is commonly seen in architectural and engineering designs, where different shapes need to be created by slicing or intersecting 3D shapes. Understanding the resulting cross-section of different slicing techniques is essential to ensure the proper fit and function of the final product.

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write 36 as a product of prime factors write the factors in order from smallest to largest

Answers

Answer:{2,2,3,3}

Step-by-step explanation:

six by six is 36 and 2 times three would give you six

Answer:

(2,2,3,3)

Step-by-step explanation:

Arrivals at a telephone booth are considered to be Poisson, with an average time of 10 minutes between successive arrivals. The length of a phone call is distributed exponentially with mean 3 minutes. The probability that an arrival does not have to wait before service is A0.3B0.7C0.5D0.9

Answers

The probability that an arrival does not have to wait before service is 0.7 (Option B).

To calculate the probability that an arrival does not have to wait before service, we need to use the Poisson and exponential distributions.

First, we can calculate the average number of arrivals per hour:

60 minutes / 10 minutes per arrival = 6 arrivals per hour

Next, we can use the exponential distribution to calculate the probability that a phone call is less than or equal to 10 minutes (the time between arrivals):

P(call length ≤ 10 minutes) = 1 - e^(-10/3) ≈ 0.957

This means that there is a 95.7% chance that a phone call will end before the next arrival.

Finally, we can use the Poisson distribution to calculate the probability that there are no arrivals in the 10-minute window between the end of a phone call and the next arrival:

P(no arrivals in 10 minutes) = e^(-6) ≈ 0.002

So the probability that an arrival does not have to wait before service is:

P(no wait) = P(call length ≤ 10 minutes) * P(no arrivals in 10 minutes)

P(no wait) = 0.957 * 0.002

P(no wait) ≈ 0.002

Therefore, the answer is A) 0.3.


We're given that arrivals at a telephone booth follow a Poisson distribution with an average time of 10 minutes between arrivals, and the length of a phone call is exponentially distributed with a mean of 3 minutes. We need to find the probability that an arrival does not have to wait before service.

Step 1: Calculate the arrival rate (λ) and service rate (μ)
The average time between arrivals is 10 minutes, so the arrival rate λ is 1/10 arrivals per minute.
The average length of a phone call is 3 minutes, so the service rate μ is 1/3 calls per minute.

Step 2: Calculate the traffic intensity (ρ)
The traffic intensity ρ is the ratio of the arrival rate to the service rate.
ρ = λ/μ = (1/10) / (1/3) = 3/10 = 0.3

Step 3: Calculate the probability that an arrival does not have to wait (P_0)
For an M/M/1 queue (Poisson arrivals and exponential service times with a single server), the probability that an arrival does not have to wait before service is given by P_0 = 1 - ρ.
P_0 = 1 - 0.3 = 0.7

So, the probability that an arrival does not have to wait before service is 0.7 (Option B).

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Find the volume of the right cone below in terms of π.

Answers

The Volume of the right cone (V) that has a diameter of 6 units and a height of 11 units is calculated as: 33π units³.

What is the Volume of a Right Cone?

The volume of a right cone can be determined by applying the following formula:

Volume of a right cone (V) = 1/3 * πr²h, where:

r represents the radius of the right cone

h represents the height of the right cone

Given the following:

radius (r) = 6/2 = 3 units

Height (h) = 11 units

Plug in the values:

Volume of the right cone (V) = 1/3 * π * 3² * 11

= 1/3 * π * 99

= π * 33

Volume of the right cone (V) = 33π units³

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Let R be the relation of the set of all differentiable functions defined f R g iff f and g have the same first derivative; that is f' = g'.

(a) Prove that R is an equivalence relation.

(b) Name three elements in the class 2x^3 + 5

Answers

(a) We must demonstrate that R satisfies the following criteria in order to establish that it is an equivalence relation:

1) Reflexivity: For any function f, f R f.

This is true since f' = f', so any function has the same first derivative as itself.

2) Symmetry: For any functions f and g, if f R g, then g R f.

This is true since if f' = g', then g' = f', so g and f have the same first derivative.

3) Transitivity: For any functions f, g, and h, if f R g and g R h, then f R h.

This is true since if f' = g' and g' = h', then f' = h', so f and h have the same first derivative.

R is an equivalence relation since it complies with each of the three requirements.

(b) To find three elements in the class of 2x³ + 5, we need to find all functions that have the same first derivative as 2x³ + 5. Since the derivative of 2x³ + 5 is 6x², any function of the form 2x³ + 5 + C, where C is a constant, will have the same first derivative. Consequently, the following three items belong to the  2x³ + 5  class:

1) 2x³+ 5

2) 2x³+ 5 + 1 = 2x³ + 6

3) 2x³ + 5 - 2 = 2x³+ 3

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PLEASE HELP I INCLUDED A WRITTEN VERSION OF MY PROBLEM I WROTE IT PLEASE HELP!!!

Answers

The expression  x²-6x+9 is equal to the expression (x-3)², option A is correct.

The given expression is x²-6x+9

x is the variable in the expression

Plus and minus are the operators

We have to factor the expression

x²-6x+9

x²-3x-3x+9

x(x-3)-3(x-3)

(x-3)(x-3)

x²-6x+9 is equal to (x-3)²

(x-3)²

Hence, the expression  x²-6x+9 is equal to the expression (x-3)², option A is correct.

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The diagram in Fig. 15.17 is an equi- lateral triangle with its given dimen- sions in cm. Find the perimeter of the triangle. x+8 y +4 4x-y​

Answers

The perimeter of the equlateral triangle is 42 units

Finding the perimeter of the triangle.

The dimensions of the triangle are given as

x + 8, y + 4 and 4x - y​

The side lengths of an equilateral triangle are equal

So, we have

x + 8 = y + 4

4x - y​  = y + 4

When evaluated, we have

x = 6 and y = 10

So, we have

Perimeter = 3 * (y + 4)

This gives

Perimeter = 3 * (10 + 4)

Evaluate

Perimeter = 42

Hence, the perimeter is 42 units

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solve:
cos theta = -0.37
give your answer to 1 decimal place

Answers

Answer: Not sure which one you need my guess would be RADIANS

Step-by-step explanation:

For COS THETA RADIANS = 1.9

For COS THETA DEGREES = 111.7

Sorry if its wrong

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