consider the following page reference string: 7, 2, 3, 1, 2, 5, 3, 4, 6, 7, 7, 1, 0, 5, 4, 6, 2, 3, 0 , 1. assuming demand paging with four frames, how many page faults would occur for the following replacement algorithms?

Answers

Answer 1

Answer:

Step-by-step explanation:


Related Questions

what is the area of semicircle if the arc is 35 pi

Answers

Answer:

612½ pi units² or 1920 units²

Which is the polynomial function of lowest degree with rational real coefficients, a leading coefficient of 3 and roots and 2?.

Answers

On solving the given  question, we got that -  the polynomial function of lowest degree with rational real coefficients is [tex]= > P(x) = 3x^{2} - 21x + 30[/tex]

What is Polynomial Equation?

Polynomial equations are those created using variables, exponents, and coefficients. The higher exponent, known as the equation's degree, can have a variety of exponents. By factoring polynomials based on the degree and variables in the equation, we can solve them.

We are aware that the lowest degree polynomial function, denoted by p(x), has the following properties:

[tex]= > P(x) = c(x - a)(x - b)\\[/tex]

The leading coefficient is 3, the roots are 5, and the roots are 2, respectively.

Therefore, the lowest degree polynomial with the aforementioned characteristics is:

[tex]= > P(x) = 3(x - 5)(x - 2))\\= > P(x) = 3(x^{2} - 7x + 10)\\= > P(x) = 3x^{2} - 21x + 30\\[/tex]

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What is the solution of the system of equations? Explain.
y = x +4
2
2y + 4 = x

Answers

The solution of the system of equations:

y = x + 422

y + 4  =x

is the point (-88, -46)

How to solve the system of equations?

Here we have the system of equations:

y = x + 42

2y + 4  =x

To solve the system, we can replace the first equation into the second one:

2*(x + 42) + 4 = x

2x + 84 + 4 = x

2x + 88 = x

2x - x = -88

x = -88

And the value of y is:

y = x + 42

y = -88 + 42 = -46

The solution is the point (-88, -46).

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For the function ƒ(x) = 5 (x³ – 6), find ƒ−¹(x).
○ ƒ˜¹(x) = (²16) ³
○ f−¹(x) = 2³+6
○ ƒ˜¹(x) = ( ² + 6) ³
○ ƒ−¹(x) = (x+6)³
5
Submit Answer

Answers





○ ƒ˜¹(x) = ( ² + 6) ³

Use the fact that the trigonometric functions are periodic to find the exact value of the given expression. Do not use a calculator.
sec.(25π/4)

Answers

Subtract full rotations of 2π until the angle is greater than or equal to 0 and less than 2π

sec(π4) – trigonometry value

The exact value of trigonometry - sec(π4) is 2√2.

Multiply 2√2 by √2.

2⋅√2⋅2

Combine and simplify the denominator.

2√2

Cancel the common factor of 2.

√2

There are various ways to display the outcome.

Exact Form:

√2

Decimal Form:

1.41421356…

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if you wish to test whether these data are sufficient to indicate that the mean for population 2 is larger than that for population 1, what are the appropriate null and alternative hypotheses? define any symbolys you see

Answers

at 0.1 level of significance, we can conclude that these data are sufficient to indicate that the mean for population 2 is larger than that for population 1.

For the null hypothesis

H0: μd ≥ 0

For the alternative hypothesis

H1: μd < 0

The distribution is a students t. Therefore, degree of freedom, df = n - 1 = 10 - 1 = 9

The formula for determining the test statistic is

t = (xd - μd)/(sd/√n)

t = (- 3.7 - 0)/(2.71/√10)

t = - 4.32

We would determine the probability value by using the t test calculator.

p = 0.00097

Since alpha, 0.1 > than the p value, 0.00097, then we would reject the null hypothesis. Therefore, at 0.1 level of significance, we can conclude that these data are sufficient to indicate that the mean for population 2 is larger than that for population 1.

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what is the answer to -2a+5a=-3a

Answers

Answer: a=0

Step-by-step explanation:

-2a + 5a = -3a

3a = -3a

a= 0

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mapped a quadrilateral on a coordinate plane. If she plots one segment from (–3, –3) to (3, 9) and another segment from (–5, 12) to (1, 0), are the segments parallel? Justify your reasoning.

Answers

The line segments joining the given points are not parallel.

How to find the slope of a line?

In order to find the slope of a line, calculate the angle it makes with x axis as a reference. Then its slope can be determined by taking tan ratio of that angle.

Given that,

The first segment is joined from (3, -3) to (3, 9).

And, the second segment is joined from (-5, 12) to (1, 0).

In order for the segments to be parallel, their slope must be equal.

The slopes of both the segments can be found as,

First segment,

Slope = (3 - 3)/(-3 - 9)

          = 0/-12

          = 0

Second segment,

Slope = (-5 - 1)/(12 - 0)

          = -6/12

          = -1/2

Since slopes of the segments are not equal, they are not parallel.

Hence, the given line segments are not parallel.

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a business major needs 3 humanities courses to graduate. they can be selected from 29 courses offered. how many ways can the 3 courses be selected?

Answers

The number of ways 3 courses can be selected is 3654.

What are the Permutation and Combination?

Permutations and combinations are the various ways in which objects from a set can be selected to form subsets, generally without replacement. When the order of selection is a factor, this selection of subsets is called a permutation; when it is not, it is called a combination.

Total no. of courses available = 29

Courses needed to graduate = 3

No of ways these courses can be selected:

                    = ²⁹C₃

                    = 29!/ [(29-3)! - 3!]

                    = 29! / 26! 3!

                    = 29 * 28 * 27 * 26!/ 26! 3*2

                    = 29* 14* 9

                    = 3654

So, the number of ways 3 courses can be selected is 3654.

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140 is what percent
less than 160 ? PLSASE HELP

Answers

Answer:

The answer should be 12.5%

what is the value of x in this triangle? enter your answer in the box. x

Answers

By using trigonometry, it can be calculated that

Value of x is 23.775

What is trigonometry?

Trigonometry shows the relationship between sides and angles of a right angled triangle.

There are six trigonometrical functions. They are

[tex]sin \theta, cos\theta, tan\theta, cot\theta, sec\theta, cosec\theta[/tex]

[tex]sin\theta = \frac{perpendicular}{hypotenuse}[/tex]

[tex]cos\theta = \frac{base}{hypotenuse}[/tex]

[tex]tan\theta = \frac{perpendicular}{base}[/tex]

[tex]cot\theta = \frac{base}{perpendicular}[/tex]

[tex]sec\theta = \frac{hypotenuse}{base}[/tex]

[tex]cosec\theta = \frac{hypotenuse}{perpendicular}[/tex]

Trigonometry is a very important tool in mathematics.

Here, trigonometry is used

From the figure,

cos 18 = [tex]\frac{x}{25}[/tex]

0.951 = [tex]\frac{x}{25}[/tex]

x = 0.951 [tex]\times[/tex]25

x = 23.775 cm

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Complete Question

what is the value of x in this triangle? enter your answer in the box. x

x = cm

A right triangle. The hypotenuse is labeled as 25 centimeters. The base is labeled as x. The alternate base angles are labeled as right angle and 18 degrees, respectively.​

(A) Prove that the opposite sides of the rectangle are congruent.
Use Distance Formula: v(x2 - x1)^2 + (y2 - y1)^2

(B) Prove the diagonals of your rectangle are congruent.

(C) Using the slopes for each side, prove there are 4 right angles on the rectangle.

**Please Show All Work**

Answers

A. Using the distance formula, we can state that the opposite sides are congruent because AD = BC = √10 units and AB = CD = √40 units.

B. The diagonals are equal, AC = BD = √50 units.

C. Based on the slopes of each side, there are 4 right angles on the rectangle.

What is the Distance Formula?

The distance formula is used to find the distance that exist between tow points that are on a coordinate plane. The formula is: d = [tex]\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}[/tex].

What is the Slope of a Line?

Slope = change in y / change in x.

A. The coordinates of each of the vertices of the rectangle are:

A(1, 2)

B(7, 4)

C(8, 1)

D(2, -1)

Use the distance formula to find AB, CD, BC, and AD.

AB = √[(7−1)² + (4−2)²]

AB = √40

CD = √[(2−8)² + (−1−1)²]

CD = √40

BC = √[(8−7)² + (1−4)²]

BC = √10

AD = √[(2−1)² + (−1−2)²]

AD = √10

Therefore, the opposite sides are congruent because AD = BC = √10 units and AB = CD = √40 units.

B. The diagonals are AC and BD. Find their lengths using the distance formula:

AC = √(8−1)² + (1−2)²]

AC = √50 units

BD = √[(2−7)² + (−1−4)²]

BD = √50 units

Therefore, the diagonals are equal, AC = BD = √50 units.

C. Find the slope of AB, CD, BC, and AD:

Slope of AB = change in y / change in x = rise/run = 2/6 = 1/3

Slope of CD = 2/6 = 1/3

Slope of BC = -3/1 = -3

Slope of AD = -3/1 = -3

-3 is the negative reciprocal to 1/3, this means that, if the two lines that meet at a corner have these two slope, then they will form a right angle because they are perpendicular to each other.

Therefore, there are 4 right angles on the rectangle.

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The sampling distribution for a goodness of fit test is the a. Poisson distribution b. t distribution c. normal distribution d. chi-square distribution

Answers

The sampling distribution for a goodness of fit test is the

d. chi-square distribution

What is chi-square distribution?

A continuous distribution with degrees of freedom is a chi-square distribution. It is used to describe how a sum of squared random variables is distributed.

When comparing categorical variables from a random sample, the statistical test known as chi-square is used to assess the degree of fit between the predicted and actual results.

We can therefore conclude that chi-square distribution is the sampling distribution for a goodness of fit test

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Colton sold a total of 28 t-shirts and sweatshirts as part of a fundraiser for his football team. If t-shirts cost $12 each and sweatshirts cost $20 each and he raised a total of $424, how many †-shirts did he sell?

Answers

i need points

Step-by-step explanation:

3) The 10th term in the expansion of (4x - 2y)11

Answers

Answer:

57671680x^9 y^2

Step-by-step explanation:

using combinatorics

In tryouts for the olympics, a speed skater had times of 44. 64, 43. 45, 42. 79, and 42. 28 seconds. Find the average time. (hint: add the numbers and divide by 4. ).

Answers

The average time of the Olympic speedskated is 43.29 units.

What do we mean by average?

An average, which is frequently the sum of the numbers divided by the total number of the numbers in the group, is a single number that is selected to describe a group of numbers in simple English.

For example, the average of the numbers 2, 3, 4, 7, and 9 is 5.

The four sorts of averages that we recognize are mean, mode, median, and range.

Although the others are our most popular "measures of central tendency," range is actually a measure of spread or distribution.

So, the average time is calculated as follows:

We have: Time: 44.64,43.45,42.79 and 42.28

The formula for average mean: ∑ₓ/n

Where ∑ₓ is the sum of observations and n is the number of observations.

Now, calculate the average time:

Average = 44.64+43.45+42.79+42.28/4

Average = 173.16/4

Average = 43.29


Therefore, the average time of the Olympic speedskated is 43.29 units.

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maya drove to the mountains last weekend. there was heavy traffic on the way there, and the trip took hours. when maya drove home, there was no traffic and the trip only took hours. if her average rate was miles per hour faster on the trip home, how far away does maya live from the mountains? do not do any rounding.

Answers

Maya drove on the mountains for her trip. Due to traffic, her average rate of miles per hour was faster at the time of coming back to her home than going on her trip. Thus, The distance between where she lives and the mountains is

288 miles .

Let's consider that Maya live x miles from the mountains.

Let her rate to mountains be y miles/h.

we have given that

Driveing time taken by Maya going from home to trip location= 9 hours due to traffic

total return time taken by her = 4 hours

average rate = 40 miles/hour

Using rate formula,

Rate = distance/time

=> distance (d) = rate (r) × time (t)

so, x/y = 9

=> x=9y --(1)

Return trip 4 hours then rate = y+40

=> x/(y+40) =4 --(2)

using Substitution method, x= 3 substitute in (2)

=> 9y/(y+40)=4

=> 9y=4y+160

=> 9y-4y=160

=> 5y=160

=> y= 160/5

=> y=32

Now, x=9y

x=9×32= 288 miles

Hence, distance to the mountain is 288 miles.

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Complete question:

Maria drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 9 hours. When Maria drove home, there was no traffic and the trip only took 4 hours. If her average rate was 40 miles per hour faster on the trip home, how far away does Maria live from the mountains?

Do not do any rounding.

30 points Please get it Right lol

Graph the piecewise function.

Answers

Answer:

  see attached

Step-by-step explanation:

You want a graph of the piecewise function ...

[tex]f(x)=\begin{cases}x&\text{if $x\le -1$}\\-3x+2&\text{if $-1 < x < 4$}\\4&\text{if $x\ge 4$}\end{cases}[/tex]

Graph

The graph is attached.

For x ≤ -1, the graph is a line with slope 1. If it were allowed to continue, it would pass through the origin. It terminates in a closed dot at (-1, -1)

For -1 < x < 4, the graph is a line with slope -3 through point (0, 2) on the y-axis. It has open circles at both ends, at points (-1, 5) and (4, -10).

For x ≥ 4, the line is horizontal at y=4. It has a closed dot at (4, 4).

__

Additional comment

The dot at the end of an interval is closed if the "or equal to" case is included (≤ or ≥). If it is not (< or >), then the dot is an open circle.

The slope is the ratio of "rise" to "run". It is the number of grid squares the line moves up (+) or down (-) for each grid square to the right.

Please help me with the question in the picture

Answers

Answer:

7.5

Step-by-step explanation:

W -- X -- Y ----- Z

We are given that :

Y is the midpoint of WZ meaning that WY = YZX is the midpoint of WY meaning that WX = XY WY = 5

Given this we want to find XZ

XZ consists of XY and YZ so we must find the length of the individual segments.

Finding YZ

Here, we know that YZ = WY as y is the midpoint of WZ. If WY = 5 then YZ also = 5

Finding XY

Given that WY = 5 and that X is a midpoint of WY we know that the segments WX and XY = WY and are congruent.
In other words we can say that 2XY = WY

==> WY = 5

2XY = 5

==> divide both sides by 2

XY = 2.5

Finding XZ

Again, XY + YZ = XZ

We have XY = 2.5 and YZ = 5

Hence, 2.5 + 5 = XZ

XZ = 7.5

Answer:

XZ = 7.5

Step-by-step explanation:

A drawing is sometimes very helpful.

Start by drawing a segment with endpoints W and Z.

   +--------------------------------------------+

   W                                                  Z

Y is the midpoint of WZ. Draw point Y in between W and Z and the same distance from both W and Z.

    +---------------------+--------------------+

   W                        Y                       Z

X is the midpoint of WY. Draw X between W and Y, and the same distance to W and Y.

   +----------+----------+--------------------+

   W          X           Y                       Z

Because of the midpoints, we know that:

WX = XY

WY = YZ

WY = 5

WX and XY are each half of WY, so WX = XY = 5/2 = 2.5

WY = YZ = 5

XZ = XY + YZ

XZ = 2.5 + 5

XZ = 7.5

2x2−4x=t In the equation above, t is a constant. If the equation has no real solutions, which of the following could be the value of t ?A. −3
B. −1
C. 1
D. 3

Answers

The correct option A.  -3, is the value of constant 't', for which the equation has no real solutions.

Define the term real solutions?In algebra, a real solution is just an answer to an equation which is a real number. The number of solutions to the provided quadratic equation depends on the discriminant, but can be positive, 0, or negative. A quadratic equation with a positive discriminant has two unique real number solutions.A repeating real number solution to the quadratic equation is indicated by a discriminant of zero.

For the stated question-

The quadratic equation is given as-

2x² - 4x = t

2x² - 4x - t = 0

The standard from of quadratic equation is-

ax² + bx + c = 0

For no solution;

Discriminant is less than zero.

D < 0

b² - 4ac < 0

Comparing both equations-

b = -4, a = 2 and c = -t

Put value in D.

(-4)² - 4(2)t < 0

Solve the inequality

16 - 8t < 0

t < -2

Thus, the value of constant 't', for which the equation has no real solutions.

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The correct question is-

2x² - 4x = t,In the equation above, t is a constant. If the equation has no real solutions, which of the following could be the value of t ?

A.  -3

B.  -1

C. 1

Please answer this is due today
"In a fruit salad, there are 12 strawberries, 14 grapes, and 4 mangos. Find the ratio of mangos to grapes. Write the ratio using a colon in the simplest form"

Answers

Answer:

The ratio of mangos to grapes is 2:7.

Step-by-step explanation:

The original ratio of mangos to grapes would be 4:14. When it says mangos to grapes, it means mangos first, then grapes. If it said grapes to mangos, the grapes would go first. But, in this case the mangos go first. Now, we don't worry about the strawberries because it says to find the ratio of mangos to grapes, which is 4:14. Now, it says to simplify it to the simplest form. So, we can do this by dividing both numbers by the same number down as far as they can go as a whole number (a number without a decimal):

4 ÷ 2 = 2

14 ÷ 2 = 7

So, this is as far as we can go. So, our final answer is 2:7.

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Answer:

2:7

Step-by-step explanation:

4 mangos for every 14 grapes

the ratio right now is 4:14 this can be simplified by dividing by 2

4 divided by 2 = 2        ( 2 x 2 = 4 )

14 divided by 4 = 7       ( 7 x 2= 14)

Now the ratio is 2:7, or 2 mangos for every 7 grapes we know this is right because in order to use the amount the recipe calls for you need to double the answer

(adding separately is easier)

2+2 = 4

7+7 = 14

= 4:14

A: What is the solution to b² = 196?

Answers

Answer:

b=14

Step-by-step explanation:

b^2=196

Square root both sides

b=14

Hopes this helps please mark brainliest

Answer:

14

Step-by-step explanation:

You're just looking for the square root of 196, and [tex]\sqrt{196} = 14[/tex]

HELP ASAP PLEASE WITH EXPLINATION!!
Chris earns $7.00 per hour working on the weekends he needs at least $210.00 for a new cell phone. How many hours, h, doe Chris need to work on the weekends to buy a new phone

Answers

Answer:

So...

Step-by-step explanation:

He earns $7.00 per hour, and he needs $210.00. H represents hours.

7.00 every hour

So 7.00 x  2 is 14

7.00 x 10.00 is 70

7.00 x 30 is 210. So after 30 hours he will be able to buy his phone. He should buy his phone on black friday. But now its too late.

find the perimeter of the window to the nearest hundredth

Answers

The perimeter of the window to the nearest hundredth will be;

⇒ 102.8 cm

What is Circle?

The circle is a closed two dimensional figure , in which the set of all points is equidistance from the center.

Given that;

The shape of window is semicircle.

And, The radius of window (r) = 20 cm

Now,

We know that;

The perimeter of semicircle = πr + 2r

Here, The radius of window (r) = 20 cm

So, We get;

The perimeter of the window = πr + 2r

                                             = 3.14 x 20 + 2 x 20

                                             = 62.8 + 40

                                             = 102.8 cm

Thus, The perimeter of the window to the nearest hundredth will be;

⇒ 102.8 cm

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Solve for y given that the height of the triangle is 4 miles and each of the legs are 7 miles.

Answers

Answer:

Step-by-step explanation:

x^2 + y^2 = z^2 is the pythagorean theorem.

If you divide the large triangle into two separate ones, with sides 7, 4 and 0.5y, you can use the pythagorean theorem to figure out 0.5y. So:

7^2 = 4^2 +(0.5y)^2

49-16 = 33

so y=2sqrt(33)

Tim has 1 1/4 kilograms of raisins. He uses 1/6 of the raisins in his trail mix. How many kilograms of raisins did Tim use?

Answers

Tim will use 5/24 kilograms of raisins in his trail mix.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that Tim has 1(¹/₄) kilogram of raisins. He uses 1/6 of the raisins in his trail mix.

The weight of the raisins will be calculated as,

Weight = 1(¹/₄) x 1 / 6

Weight = ( 5 / 4 )  x ( 1 / 6 )

Weight = 5 / 24 kg

Therefore, Tim will use 5/24 kilograms of raisins in his trail mix.

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simplify (−4r5)(2r8)

Answers

Answer: -8r^13

Step-by-step explanation: We just need to take those numbers multiplied by each other. -4 timed 2 = -8. r^5 timed r^8 = r^13, we just add both because they have the same base and multiple a square is the same as adding them together.

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Multiply (4m - 9)(3m - 11) using tabular/grid method or foil method or distributive property

Answers

Answer:

[tex]12m^2-71m+99[/tex]

Step-by-step explanation:

I will use distributive property

(4m-9)(3m-11)

4m(3m)+4m(-11)-9(3m)-9(-11)

12m^2-44m-27m+99

Combine like terms

12m^2-71m+99

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UGGGHHHH! THIS IS FIND SLOPE INTERCEPT AND I CAN’T FIGURE IT OUT!

Answers

The linear equation written in the slope-intercept form is:

y = -x - 5

How to find the slope?

A linear equation can be written in the slope-intercept form as:

y = m*x + b

Where m is the slope and b is the y-intercept.

Particularly, if the line passes through the points (x₁, y₁) and (x₂, y₂) then the slope of the line is written as:

m = (y₂ - y₁)/(x₂ - x₁)

Here we can use the first two points on the table (or any you want) to find the slope:

(-1, -4) and (3, -8)

m = (-8 + 4)/(3 + 1) = -1

The slope is -1, so the line is something like:

y = -x + b

To find the value of b we can use another of the points on the table, if we use (7, -12) then we must have:

-12 = -7 + b

-12 + 7 = b

-5 = b

The linear equation is:

y = -x - 5

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One week, magan earned $162. 00 at his job when he worked for 9 hours. If he is paid the same hourly wage, how much would he make the next week if he worked 19 hours?.

Answers

Answer: $342

Step-by-step explanation:

We take 162.00 divided by 9 = $18 / h

To find the salary of 19 hours we just need to take 18 times 19 = $342

Other Questions
10 points . Which graph shows Y=x+3? ... Picture provided because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact that at the optimal quantity for each firm. furthermore, the quantity the firm produces in long-run equilibrium is the efficient scale. true or false: this indicates that there is excess capacity in the market for jackets. true what is the wavelength of light emitted when the electron in a hydrogen atom undergoes a transition from level n ashley wants to crochet a blanket for her new baby cousin. her pattern calls for 900 yards of thick, soft wool. she already has 200 feet of wool left from another project. at the craft store, she notices that each ball has 500 feet of wool. how many balls of wool should she buy? I NEED HEL QUICK 100 points !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!What is one way to ensure your design has enough white space?A. Adjust the leading between paragraphs.B. Always use full justification to take up space from side to side.C. Use images with a lot of white background.D. Use at least three different fonts. what were the most important changes ecnomic ideolgical social politcal between 1800 and 1860, that occured in. the south's defense of slavery, and elite planter lifestyle What are tasks that might be different for an elementary schoolteacher versus a high school teachers premenstrual dysphoric disorder (pmdd) is included in the dsm-5 but the name of the diagnosis has been changed from how it was listed in the dsm-iv-tr. product owner wants advice from the scrum master about estimating work in scrum. what guidance should a scrum master give calculate the moment of inertia of a thin, uniform rod of length l and mass m that rotates about a pivot at distance l/3 from one end. a virus mutates, and therefore it has which of the following traits of living things?(1 point) responses it uses energy. it uses energy. it is made of cells. it is made of cells. it evolves. it evolves. it grows and develops. consider three 1-l flasks at stp. flask a contains nh3 gas, flask b contains no2 gas, and flask c contains n2 gas. in which flask are the molecules most ideal in behavior? (1)College classrooms are often drab and dreary places. (2)Walls are painted a variation of institutional gray; furniture is easy to clean, but uncomfortable and unattractive. (3)Chairs are lined up in straight rows facing the teachers desk or lectern. (4)In one study, over 80 percent of university students rated their classrooms negatively, describing them as ugly, cramped, stuffy, and uncomfortable. (5)Research by environmental psychologists is beginning to show that unattractive classrooms are not only unappealing; they may also adversely affect academic performance.(6)A carefully controlled study of classroom environments was conducted by Wolling and Montage (1981). (7)They selected two identical classrooms located side by side in the psychology building. (8)The control classroom, which they called the sterile classroom, had white walls, a gray carpet, and rows of plastic desks. (9)The experimental classroom, which they called the friendly classroom, was redecorated with the help of a design consultant. (10)Several walls were painted bright colors, art posters were hung on the walls, large plants were added to the room, and colorful Chinese kites were hung from the ceiling. (11)In addition to traditional desks, a part of the room was outfitted with area rugs, color-coordinated cushions, and wooden cubes to provide nontraditional seating.(12)The researchers investigated how these two different environments affected performance in actual college classes. (13)Two professors teaching introductory psychology agreed to participate in the study, although they were not informed of the purpose of the research. (14)When school began, each class was randomly assigned to one of the two rooms. (15)Halfway through the term, the classes switched rooms. (16)Thus students in both classes spent half the term in the control room and half in the friendly room. (17)Students were not told they were being studied; the switch in rooms was explained as occurring because the original room was needed for videotaping.(18)The most striking finding from this study was that students performed significantly better on regular course exams when they were in the friendly rather than the sterile classroom.Question4. The students in the studya. helped design the friendly classroom.b. took two different courses.c. stayed in one room throughout the course.d. were not told they were involved in a study. Complete the car class by creating an attribute purchase_price (type int) and the method print_info() that outputs the car's information. Ex: if the input is: 2011 18000 2018 where 2011 is the car's model year, 18000 is the purchase price, and 2018 is the current year, then print_info() outputs:. Solve the equation cos 2 = -5 cos - 3 on the interval 0 < 2 Answers must be exact. a client who had a roux-en-y bypass procedure for morbid obesity ate a chocolate chip cookie after a meal. after ingestion of the cookie, the client reported cramping pains, dizziness, and palpitation. after having a bowel movement, the symptoms resolved. what should the nurse educate the client about regarding this event? bile reflux 2 + 4(2x-1) = 6.25x-26with solution please a femur 18 inches long is placed in traction with an elevation of 6.2 inches. what is the angle of elevation of the femur? A container with volume 1.61 L is initially evacuated. Then it is filled with 0.246 g of N2. Assume that the pressure of the gas is low enough for the gas to obey the ideal-gas law to a high degree of accuracy. of the root-mean-square speed of the gas molecules is 192 m/s, what is the pressure of the gas? Express your answer in pascals. a constant magnetic field of 7 7 t passes through a square with side 3 3 m at an angle of 55 55 from the surface. calculate the magnetic flux that passes through the square. round your answer to two decimal places