can yall help me again i still don't understand this

Answer: D) square root 49

Step-by-step explanation: a rational number is a number that eventually ends. Square root 49 is the answer, because it terminates.

Answer:  1 1/4

Step-by-step explanation:

the heaviest bunch of grapes weights 1 7/8 pounds

A line plot labeled 0 to 2 with tick marks every one-eighth unit. Above the tick mark at five-eighths is one dark blue dot. Above the tick mark for six-eighths is a column of two light blue dots. Above the tick mark at 1 there is a column of three light blue dots. Above the tick mark at one and four-eighths is a column of two light blue dots. Above the tick mark for one and five-eighths is a column of four light blue dots. Above the tick mark for one and seven-eighths is one light blue dot.

Answer:

[tex]5 < x < 23[/tex]

Step-by-step explanation:

Accoriding to the Triangle Inequality Theorem:

9 + x > 14 ------> x > 5

14 + 9 > x ------> x < 23

So we have 5 < x < 23.

Answer:

100

Step-by-step explanation:

25% can also be converted to 0.25

if you want to INCREASE it by 25%, you're adding 25% to your current 100% to get 125% of 80

125% is the same as 1.25, so you multiply 80 by 1.25

80 * 1.25 = 100

Answer:

100

Step-by-step explanation:

To increase 80 by 25%, you need to add 25% of 80 to 80.

First, we find what 25% of 80 is.

To find a percent of a number, multiply the percent by the number.

Change the percent to a decimal by dividing the percent by 100.

25% of 80 = 25% × 80 = 25/100 × 80 = 0.25 × 80 = 20

25% of 80 is 20.

Now we add 20 to 80.

80 + 20 = 100

Answer: 100

the value of Harry's investment after 4 years is £8,999.21 to the nearest penny.

To work out the value of Harry's investment after 4 years, we can use the formula for compound interest:

[tex]A = P(1 + r/n)^(nt)[/tex]

where:

A is the final amount

P is the initial principal (the amount Harry invested)

r is the annual interest rate (as a decimal)

n is the number of times the interest is compounded per year

t is the time in years

In this case, P = £8000, r = 0.028 (2.8% expressed as a decimal), n = 1 (compounded annually), and t = 4. Plugging these values into the formula, we get:

A = £8000(1 + 0.028/1)

= £8000(1.028)

= £8,999.21

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The expression for the perimeter of the triangle is (15h - 6k + 12m) centimeters.

In geometry, a triangle is formed by three line segments crossing at three non-collinear points. The three line segments that make up the triangle are known as its sides, and its three points of intersection are known as its vertices.

A triangle is a three-sided polygon that has three sides and three angles and is created when three line segments cross each other at three non-collinear places.

The whole length of the sides makes up a triangle's perimeter.

Therefore, the expression for the perimeter of the given triangle in centimeters is:

(5h-4k) + (10h+7m) + (5m-2k)

Simplifying by combining like terms, we get:

15h - 6k + 5m + 7m

which can be further simplified as:

15h - 6k + 12m

Therefore, the expression for the perimeter of the triangle is (15h - 6k + 12m) centimeters.

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The expression for the perimeter of the triangle is (15h - 6k + 12m) centimeters.

Three line segments must cross at three non-collinear points in order to make a triangle in geometry. The triangle's three line segments are referred to as its sides, and its three places of intersection are referred to as its vertices.

Three line segments crossing each other at three non-collinear points result in a triangle, which is a three-sided shape with three sides and three angles.

A triangle's perimeter is determined by adding the lengths of its edges.

As a result, the formula for the triangle's perimeter in millimeters is as follows:

(5h-4k) + (10h+7m) + (5m-2k)

Simplifying by combining like terms, we get:

15h - 6k + 5m + 7m

which can be further simplified as:

15h - 6k + 12m

Therefore, (15h - 6k + 12m) centimeters is the formula for the triangle's perimeter.

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(0, 6): satisfies the inequality and is included in the solution set.

(1, 5): point does not satisfy the inequality and is included in the solution set.

(2, 4): point does not satisfy the inequality and is included in the solution set.

(3, 2): point satisfies the inequality and is not included in the solution set.

What is inequality?

Inequality is like a rule that says how big or small something can be. It has two things to compare, and a symbol in between like < or >.

The inequality is satisfied by all the points inside the curve. The given inequality represents a parabolic region that opens upwards with its vertex at (1, 2), and it passes through the points (-1, 6) and (3, 6). The region is shaded inside the curve.

We need to determine which point is not included in the solution set for the inequality. To do this, we can check if each point satisfies the inequality.

Let's start with point (0, 6). We can see that this point lies inside the shaded region, so it is included in the solution set.

Next, let's check point (1, 5). This point lies on the boundary of the shaded region, which means it is included in the solution set.

Now, let's check point (2, 4). This point lies below the boundary of the shaded region, which means it is included in the solution set.

Finally, let's check point (3, 2). This point lies outside the shaded region, which means it is not included in the solution set.

Therefore, the point that is not included in the solution set for the inequality is (3, 2).

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Answer:

Step-by-step explanation:

To determine which size of shampoo is the better buy, we need to calculate the unit price, which is the price per ounce for each size.

For the regular size, the unit price is:

$8.00 / 20 oz = $0.40/oz

For the economy size, the unit price is:

$10.00 / 40 oz = $0.25/oz

Since the unit price for the economy size is lower than the unit price for the regular size, the economy size is the better buy.

Therefore, the economy size of shampoo is the better buy.

The cost of the system with the printer is $695, given the cost of the system without the printer is $1,200 and the total cost is $1,895.

Let's assume the cost of the system without the printer is x. Then the cost of the printer can be represented as 1895 - x (since the total cost of the system with the printer is $1,895).

We can set up an equation to represent the cost of the system with the printer:

x + (1895 - x) = 1895

Simplifying and solving for x:

x + 1895 - x = 1895

2x = 0

x = 0

Therefore, according to this equation, the cost of the system without the printer is $0, which does not make sense. It's likely that there was an error in the problem statement.

If there was an error in the problem statement and we are given more information, we can solve for the cost of the system with the printer. For example, let's assume that we are given that the cost of the system without the printer is $1,200.

Using the same approach as before, we can set up an equation to represent the cost of the system with the printer:

x + (1895 - x) = 1895

where x is the cost of the system without the printer. Substituting x = $1,200, we get:

1200 + (1895 - 1200) = 1895

Simplifying and solving for the cost of the system with the printer:

1200 + 695 = 1895

Therefore, the cost of the system with the printer is $695.

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Accοrding tο the given infοrmatiοn, the prοbability οf generating a randοm number between 0.25 and 0.75 is 0.5 and the prοbability οf generating a number less than οr equal tο 1 is 1.

Prοbability is a measure οf the likelihοοd οr chance οf an event οccurring. It is a number between 0 and 1, where 0 represents an impοssible event and 1 represents a certain event.

The cοntext οf this questiοn is nοt clear, sο I will prοvide a general answer.

Assuming a unifοrm distributiοn οf randοm numbers between 0 and 1, the prοbability οf generating a randοm number between 0.25 and 0.75 is:

b. P(0.25 ≤ X ≤ 0.75) = 0.75 - 0.25 = 0.5

where X is the randοm variable representing the generated number.

The prοbability οf generating a randοm number with a value less than οr equal tο a specific value x is simply x, since the prοbability density functiοn οf a unifοrm distributiοn is a cοnstant οver the range [0, 1].

c. P(X ≤ x) = x fοr 0 ≤ x ≤ 1

Fοr example, the prοbability οf generating a number less than οr equal tο 0.3 is 0.3, and the prοbability οf generating a number less than οr equal tο 1 is 1.

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Answer:

We don't know the exact distance Chu takes on his way back, but we do know that it's shorter than the distance he took on the way to baseball practice. Let's call the distance he takes on the way back "x".

We know that the distance he rode to baseball practice was 1.39 miles. So, the total distance he rode is:

1.39 miles + x miles

We can also assume that the total distance he rode going to baseball practice and coming back home is the same. That is:

1.39 miles + x miles = x miles + x miles

Simplifying this equation, we get:

1.39 miles + x miles = 2x miles

Subtracting x miles from both sides, we get:

1.39 miles = x miles

So, Chu rides his bicycle 1.39 miles from baseball practice to home.

Step-by-step explanation:

brainliest pls

There is no solution for this system of equations. Hence, the answer is NS.

The system of equations is given by;

-x + 2y = -1 (1)4x - 8y = 5 (2)

For solving a system of linear equations by any method, we need to eliminate one variable from the equations. Let's eliminate x from the given equations. Multiplying equation (1) by 4, we get

4(-x + 2y = -1) ⇒ -4x + 8y = -4 ..........(3)

Now, we need to eliminate -4x from equation (3) and 4x from equation (2).

Adding equations (2) and (3), we get-

4x + 8y = -4+ 4x - 8y = 5 0 = 1.

Since the variables cancel each other and 0 ≠ 1, this system of equations is inconsistent. So, there is no solution for this system of equations. Hence, the answer is NS.

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The required circumference of the given circle is 45.27 cm approx.

In geometry, the perimeter of a circle or ellipse is its circumference. In other words, the circumference would equal the length of the arc if the circle were expanded up and straightened out to a line segment.

The term "perimeter" is most frequently used to describe the radius of any closed shape.

The circumference of a circle is the length around its periphery.

It is similar to the edges of other shapes, including squares.

It can be viewed as the line that defines the shape.

So, calculate the diameter using the Pythagorean theorem as follows:

h² = a² + b²

h² = 8² + 12²

h² = 64 + 144

h² = 208

h = √208

h = 14.42

Now, calculate the circumference as follows:

Radius = 14.42/2 = 7.21

Now,

= 2πr

= 2*3.14*7.21

= 45.2788

Therefore, the required circumference of the given circle is 45.27 cm approx.

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Therefore , the solution of the given problem of area comes out to be  region is 24.5 square units in size.

How much room is needed to fully cover the outside can be used to estimate its overall size. When calculating a trapezoidal shape's surface, the immediate environs are taken into account. The surface area of something determines its overall dimensions. The internal water volume of a cuboid is given by the total of the borders for each of its six rectangular edges.

Here,

We must first calculate the areas of the three shapes in order to add them up to get the area of the territory.

Triangle 1: The height is equal to the distance of the y-coordinates of the x-axis (which is 0) and the y-coordinates of (3,6), which is 6. Consequently, the triangle's size is:

=> 1/2 * base * height

= >1/2 * 3 * 6 = 9

The segment between the x-axis and the location where the line y=10-x meets the x-axis, which is the base in triangle 2 (10,0).

Triangle 2:

=> 1/2 * base * height = 1/2 * 4 * 1 = 2

Trapezoid:

The three shapes' combined regions result in:

=> 9 + 2 + 13.5 = 24.5

The region is 24.5 square units in size and is circumscribed by the x-axis, lines x=2, x=6, lines y=x+3, and y=10-x.

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Through end behaviour of polynomials, we can see that the left end behaviour is approaching positive infinity and the right end behaviour is approaching negative infinity.

The nature of the value when the function argument gets closer to + infinity and - infinity is the end behaviour of a function.

The term with the highest degree determines how a polynomial function will behave in the end.

For example:

If f(x) = x³ + 2x² – 4x + 5 is given,

The end behaviour is determined by x³.

As a result, f(x) + as x + and f(x) - as x -

The term with the highest degree will be substantially larger than the other terms for large values of x, making the other terms essentially irrelevant.

The degree of the x³ coefficient is odd and it is positive.

Hence, the final behaviour is f(x) + as x + and f(x) - as x -.

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Answer:

T_n = -5 -2(n-1) = -3 - 2n

Step-by-step explanation:

This is an arithmetic sequence with a common difference of -2 (-5 -2 = -7, -7 - 2 = -9, -9 -2 = -11 ...)

so, T_n = -5 -2(n-1) = -3 -2n

we use -5 as the starting point because that's the first term. whether you simplify or not depends on you and your teacher.

The point that was used as the center of rotation include the following: A. Point F.

In Mathematics, a rotation is a type of transformation which moves every point of the object through a number of degrees around a given point, which can either be clockwise or counterclockwise (anticlockwise) direction.

Generally speaking, rotation simply refers to a type of transformation that preserves both the shape and side lengths of a geometric figure. By applying a rotation of 90° clockwise centered at point F to the vertices of triangle KLC, we have the following congruent sides:

KC ≅ K'C'

KL ≅ K'L'

LC ≅ L'C'

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Andrew needs to save money for 3.8 months, or about 4 months (rounded up) to buy that refrigerator.

Based on the given information, Andrew's budget can be broken down as follows:

Housing: $46,200 (30% of $154,000)

Gas: $12,320 (8% of $154,000)

Internet: $3,080 (2% of $154,000)

Personal care: $7,700 (5% of $154,000)

Food: $38,500 (25% of $154,000)

Saving: $23,100 (15% of $154,000)

Child: $23,100 (15% of $154,000)

Small business income: $25,000

To calculate how long it will take for Andrew to save enough money to buy the $95,000 refrigerator, we need to calculate his monthly savings based on his budget.

Andrew's total monthly income (before expenses) is

His total monthly expenses (including savings) are

Therefore, his monthly savings are $179,000 - $154,000 = $25,000. To save up $95,000, he will need $95,000 / $25,000 = 3.8 months, or about 4 months (rounded up).

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The impact of changing a single value in a data set on the mean, median, mode, and range can vary depending on the position and value of the changed value

The impact of changing a single value in a data set on the mean, median, mode, and range can vary depending on the value that is changed and its position in the data set.

If the value that is changed is an outlier or an extreme value in the data set, then the impact on the mean and range will be significant. The mean is particularly sensitive to outliers, and changing an extreme value can cause the mean to shift considerably.

If the value that is changed is close to the mean, then the impact on the mean will be significant, but the impact on the median and mode will be small.

If the value that is changed is a mode, then the mode will change, but the impact on the mean and median will be small. The range may or may not be affected, depending on the position of the changed value relative to the maximum and minimum values in the data set.

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If we are aware that Mustafa, Heloise, or Gia have penned more than [tex]22[/tex]pieces altogether. [tex]M > 8[/tex] This is the number of articles Mustafa might have written.

A numeric is a mathematical number which can be utilized to compute and describe a quantity. Numerical symbols, such as "3," are written to represent numbers. A counting system is a logical way of expressing numbers that uses digits or symbols to represent them.

The fact that we use a decimal (base 10) mathematical notation system for numbers gives the number 100 importance that it probably wouldn't otherwise have. It is a circular numeral with undertones of excellence.

[tex]M + H + A > 22[/tex]

We also know that:

[tex]H = 1/4M[/tex]

[tex]A = 3/2M[/tex]

We can substitute these expressions into the first equation:

[tex]M + 1/4M + 3/2M > 22[/tex]

Multiplying everything by the common denominator of 4:

[tex]4M + M + 6M > 88[/tex]

[tex]11M > 88[/tex]

[tex]M > 8[/tex]

So, Mufasa has written more than [tex]8[/tex] articles.

Using the equation [tex]H = 1/4M[/tex], we can find that Heloise has written:

[tex]H = 1/4(8) = 2[/tex]

Using the equation [tex]A = 3/2M[/tex], we can find that Angie has written:

[tex]A = 3/2(8) = 12[/tex]

Therefore, Mufasa has written more than [tex]8[/tex] articles, Heloise has written [tex]2[/tex]articles, and Angie has written [tex]12[/tex] articles.

To check if their combined total is more than [tex]22[/tex]:

[tex]M + H + A = 8 + 2 + 12 = 22[/tex]

So, their combined total is exactly [tex]22[/tex], which means that they have not written more than [tex]22[/tex] articles for the school newspaper.

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Answer:

78.25

Step-by-step explanation:

First find the tip.

62.60 * 20%

62.60*.2 = 12.52

Then find the tax

62.60 * 5%

62.60 * .05

3.13

Now add the cost of the food, tip, and tax.

62.60+12.52+3.13

78.25

From the given information provided, the length of the radius is √17, which is closest to 3. So the answer is option A. 3.

The center of the circle is the midpoint of the diameter, which can be found using the midpoint formula:

Midpoint = ((-5 + 3)/2, (4 + 6)/2) = (-1, 5)

The radius of the circle is the distance from the center to one of the endpoints of the diameter. We can use the distance formula to find the distance between the center (-1, 5) and either endpoint:

r = √[(-5 - (-1))² + (4 - 5)²] = √[(-4)² + (-1)²] = √[16 + 1] = √(17)

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the common ratio of the geometeric sequence -7, -42, -252 is 6.

A geometric sequence is a sequence of numbers where each term is obtained by multiplying the previous term by a fixed non-zero constant, called the common ratio. We can find the common ratio (r) of the sequence -7, -42, -252 by dividing any term by its previous term. For example:

-42 / (-7) = 6

-252 / (-42) = 6

Since the ratio is the same for both, we can conclude that the common ratio is 6. Therefore, each term is obtained by multiplying the previous term by 6.

To check, we can multiply any term by 6 to obtain the next term in the sequence. For example:

-7 * 6 = -42

-42 * 6 = -252

So, the common ratio of the sequence -7, -42, -252 is 6.

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The tοtal number οf ways tο chοοse three beads such that their sum is οdd is 20 + 5 = 25.

Prοbability is a measure οf the likelihοοd οf an event οccurring. It is a number between 0 and 1, where 0 indicates that the event is impοssible and 1 indicates that the event is certain.

Tο find the prοbability that the sum is an οdd number, we need tο cοunt the number οf ways we can chοοse three beads such that their sum is οdd and divide it by the tοtal number οf ways we can chοοse three beads.

First, we need tο cοnsider the pοssible ways that the sum οf three numbers is οdd. This can happen in twο ways:

If we chοοse an οdd number and twο even numbers

If we chοοse an even number and twο οdd numbers

Nοw, let's cοunt the number οf ways we can chοοse three beads in each οf these twο cases:

Case 1: Chοοse οne οdd and twο even numbers

There are twο οdd numbers and five even numbers, sο we can chοοse οne οdd number in 2 ways and twο even numbers in 5C₂ = 10 ways. The tοtal number οf ways tο chοοse three beads in this case is therefοre 2 x 10 = 20.

Case 2: Chοοse οne even and twο οdd numbers

There are twο οdd numbers and five even numbers, sο we can chοοse twο οdd numbers in 2C₂ = 1 way and οne even number in 5 ways. The tοtal number οf ways tο chοοse three beads in this case is therefοre 1 x 5 = 5.

The tοtal number οf ways tο chοοse three beads frοm seven is 7C₃ = 35.

Sο the prοbability that the sum οf the three numbers is οdd is 25/35 = 5/7.

Therefοre, the tοtal number οf ways tο chοοse three beads such that their sum is οdd is 20 + 5 = 25.

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The area of the shaded portion of the circle is 942 units².

The diagram is a circle inscribed in another circle.  The area of the shaded portion of the circle can be found as follows:

area of the shaded portion = area of the bigger circle - area of the smaller circle

Therefore,

area of the bigger circle = πr²

area of the bigger circle = 20²π

area of the bigger circle = 400π units²

area of the smaller circle = πr²

area of the smaller circle = 10²π

area of the smaller circle = 100π units²

Therefore,

area of the shaded portion = 400π - 100π

area of the shaded portion = 300π

area of the shaded portion = 300 × 3.14

area of the shaded portion = 942 units²

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Simple interest is calculated as $3000 x 2.5% = $76. Compound interest is added to the principal to determine the balance for the next period.

Simple interest is a type of interest calculation that only takes into account the principal amount of a loan or investment. It does not include any additional payments (or compounding) of the interest. It is calculated by multiplying the principal amount by the interest rate and the number of periods for which the loan is taken out.

For Suzanne's investment, the annual interest rate is [tex]$2.5 %$[/tex], and the interest is simple. Therefore, the interest she earns each year is [tex]$$ I = P \times r = 3000 \times 0.025 = 75. $$[/tex]

Her balance at the end of each year is the sum of her initial deposit and the interest earned in that year. The completed table is:

For Derek's investment, the annual interest rate is also [tex]$2.5 %$[/tex], but the interest is compounded annually. Therefore, we use the compound interest formula with [tex]P=3000[/tex], [tex]r=0.025$, and $n=1[/tex]:

[tex]$$ A = 3000 \times (1+0.025)^Y. $[/tex]

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The price of a 14 minute phone call is $4.90.

We can use the given information to set up a proportion between the price and the duration of a phone call:

price of 9-minute call / 9 = $3.15 / 1

We can then solve for the price of a 1-minute call:

price of 1-minute call = ($3.15 / 1) / 9 = $0.35

Now that we know the price of a 1-minute call, we can use it to find the price of a 14-minute call:

price of 14-minute call = ($0.35 / 1) * 14 = $4.90

Therefore, the price of a 14 minute phone call is $4.90.

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Answer:

Step-by-step explanation:

To solve this problem, we need to find the number of cells in each colony after 1 minute (60 seconds) and compare them.

For the colony growing at 20°C, the expression for the number of cells is:

N(20°C) = t^2 - 7t - 7

Substituting t = 60 seconds:

N(20°C) = (60)^2 - 7(60) - 7 = 3533

Therefore, the number of cells in the colony growing at 20°C after 1 minute is 3533.

For the colony growing at 30°C, the expression for the number of cells is:

N(30°C) = t^2 - 6t - 7

Substituting t = 60 seconds:

N(30°C) = (60)^2 - 6(60) - 7 = 3563

Therefore, the number of cells in the colony growing at 30°C after 1 minute is 3563.

Comparing these results, we see that the colony growing at 30°C has a greater number of cells after 1 minute than the colony growing at 20°C. Therefore, the colony growing at 30°C will have a greater number of cells than the colony growing at 20°C after 1 minute.

The ratio and reciprocal of Sec x and Cos x can be expressed in terms of A and pq. When A is equal to 3/2, Sec A will be equal to 3/2 and Cos A will be equal to 2/3.

The ratio and reciprocal of Sec x and Cos x can be expressed in terms of A and pq. Sec x = A/pq and Cos x = pq/A. The reciprocal of Sec x is Cos x = pq/A and the reciprocal of Cos x is Sec x = A/pq.

When A = 3/2, Cos A = 2/3. Therefore, Sec A = 3/2 and Cos A = 2/3.

The ratio and reciprocal of Sec x and Cos x can be expressed in terms of A and pq. When A is equal to 3/2, Sec A will be equal to 3/2 and Cos A will be equal to 2/3.

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Step-by-step explanation:

1 pound = 0.45 kilograms

1 square inch = 6.25 square centimeters

First, let's convert the pressure from pounds per square inch to kilograms per square inch:

198 pounds/square inch × 0.45 kilograms/pound = 89.1 kilograms/square inch

Next, let's convert from kilograms per square inch to kilograms per square centimeter:

1 square inch = 6.25 square centimeters

89.1 kilograms/square inch ÷ 6.25 square centimeters/square inch = 14.256 kilograms/square centimeter

Therefore, the pressure of 198 pounds per square inch is equivalent to 14.256 kilograms per square centimeter.