y=0.11x+5 solve the equation

Answer:

Dolphin Camera

Step-by-step explanation:

Because

    -16 /2 ft   = -8

Which is farthest from the water surface as compared to othrrs

Mark brainliest if you understand

Number of strings of seven hexadecimal digits that do not have any repeated digits and at least one repeated are required. The hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.

Number of strings of seven hexadecimal digits that do not have any repeated digits. There are sixteen different digits.The first digit can be any one of the sixteen different digits. Hence, the first digit can be chosen in 16 ways. Once the first digit has been chosen, there are only fifteen remaining digits. Hence, the second digit can be chosen in 15 ways. Similarly, the third digit can be chosen in 14 ways, the fourth digit can be chosen in 13 ways, and so on. Thus, the number of ways that a string of seven hexadecimal digits can be formed without any repeated digits is given by 16×15×14×13×12×11×10 = 111, 767, 040

Number of strings of seven hexadecimal digits that have at least one repeated digit is required. There are two ways to approach the solution of this problem:By finding the number of strings that do not have any repeated digits and subtracting this from the total number of strings of seven hexadecimal digits.By counting the number of strings that have at least one repeated digit directly.

Method 1 : To find the number of strings that do not have any repeated digits, we have found in part (a) to be 111, 767, 040. The total number of strings of seven hexadecimal digits is 167, 772, 160. Hence, the number of strings of seven hexadecimal digits that have at least one repeated digit is given by:167, 772, 160 – 111, 767, 040 = 56, 005, 120

Method 2 :By counting the number of strings that have at least one repeated digit directly, we shall apply the principle of inclusion and exclusion. Let A1, A2, A3, A4, A5, A6, A7 denote the events that the first, second, third, fourth, fifth, sixth and seventh digits repeat, respectively. The number of strings in which only the first and second digits repeat is 16×15×14×13×12×11×1 = 24,883,200. Similarly, the number of strings in which only the first and third digits repeat is 24, 883, 200. There are fifteen possible pairs of distinct digits and for each such pair, there are 10 ways to place the two digits into the seven positions, i.e., ten different arrangements of the pair of digits. Hence, the number of strings in which exactly two digits repeat is given by 15×10×16×15×14×13×1 = 56,160,000. There are six different ways in which three distinct digits can be selected from sixteen. For each choice of three distinct digits, there are three possible ways that the digits can be arranged in the string. This gives a total of six×3×16×15×14×1×1×1 = 60,480. There are no strings with four or more distinct digits repeating. Thus, by the principle of inclusion and exclusion, the number of strings of seven hexadecimal digits with at least one repeated digit is given by24, 883, 200+24, 883, 200−56, 160, 000+60, 480=56,005,120

The number of strings of seven hexadecimal digits that do not have any repeated digits is 111, 767, 040. The number of strings of seven hexadecimal digits that have at least one repeated digit is 56, 005, 120.

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Answer:

1a. y= -6x+30

1b. y= -6x-22

2a. y= 3x+2

2b. y= -1x+4

To determine the distance between the buildings, we can use trigonometry and the given information. Let's consider the triangle formed by Sari, building A, and building B. The side opposite the 40° angle is the distance between the buildings that we want to find.

Using the tangent function, we can set up the following equation: tan(40°) = opposite/adjacent. tan(40°) = distance between the buildings/20 meters. To find the distance between the buildings, we rearrange the equation: distance between the buildings = 20 meters * tan(40°). Using a calculator, we can evaluate the expression: distance between the buildings ≈ 20 meters * 0.8391 ≈ 16.782 meters. Therefore, the buildings are approximately 16.782 meters apart. To determine the distance between the buildings, we can use trigonometry and the given information. Let's consider the triangle formed by Sari, building A, and building B. The side opposite the 40° angle is the distance between the buildings that we want to find.

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(a) row(AB) is a subset of row(B) because each row of AB is a linear combination of the rows of B.

(b) Taking the transpose, col(AB) is a subset of col(A), implying row(B) is a subset of row(A).

(c) The row space of AB may not be equal to the row space of B; an example is when A is a zero matrix and B is non-zero.

(d) If A is invertible, row(AB) = row(B) since B can be expressed as a linear combination of rows of AB using B = A^(-1)(AB).

(a) To show that row(AB) is a subset of row(B), we start by considering the rows of AB. Each row of AB is a linear combination of the rows of B, since matrix multiplication involves taking dot products of rows of the first matrix with columns of the second matrix. Thus, each row of AB can be expressed as a linear combination of the rows of B, which implies that row(AB) is a subset of row(B).

(b) Taking the transpose of both sides of the inclusion shown in part (a), we have col(AB)⊂col(B). Since the column space of a matrix is the same as the row space of its transpose, this implies that row(B)⊂row(A). Thus, using the transpose, we can show that col(AB) is a subset of col(A).

(c) To demonstrate that the row space of AB may not be equal to the row space of B, consider the following example: Let A be a 2x2 zero matrix and B be a 2x2 non-zero matrix. The row space of A is the zero vector, while the row space of B is non-zero. Therefore, the row space of AB (which is also the zero vector) is not equal to the row space of B.

(d) Assuming A is invertible, we can use the fact that B = A^(-1)(AB) to show that row(AB) = row(B). By part (a), we know that row(AB) is a subset of row(B). Now, using the fact that B = A^(-1)(AB), we can express any row of B as a linear combination of rows of AB. Thus, row(B) is a subset of row(AB). Since both inclusions hold, we conclude that row(AB) = row(B).

(e) Using part (d), we can give another proof for Theorem 3.20, which states that if B is row equivalent to A, then row(B) = row(A). Row equivalence means that B can be obtained from A by performing a sequence of elementary row operations.

Since elementary row operations can be represented by left multiplication by elementary matrices, we can view row equivalence as B = E_k * E_(k-1) * ... * E_1 * A, where E_i are elementary matrices. Since elementary matrices are invertible, we can apply part (d) iteratively to show that row(B) = row(E_k * E_(k-1) * ... * E_1 * A) = row(A). Thus, row(B) = row(A) holds for any matrix B that is row equivalent to matrix A.

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The linear correlation coefficient between the number of years of service and average monthly sales is r = 0.717, indicating that a linear relation exists between these variables.

The linear correlation coefficient, denoted as r, measures the strength and direction of the linear relationship between two variables. It ranges between -1 and 1, where a value close to 1 indicates a strong positive linear relationship, a value close to -1 indicates a strong negative linear relationship, and a value close to 0 indicates a weak or no linear relationship.

In this case, the given correlation coefficient is r = 0.717, which is moderately close to 1. This indicates a positive linear relationship between the number of years of service and average monthly sales. The positive sign indicates that as the number of years of service increases, the average monthly sales tend to increase as well.

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Answer:

Step-by-step explanation:

41 minutes

He finished reading at 8:57 AM. How many minutes did he read? >) 41 minutes.

can i get brainlyest thx

Answer:

He read for 39 minutes

Step-by-step explanation:

You just subtract 57 - 18

Answer:

Therefore, Height = 4.8 inches.

Step-by-step explanation:

Given : A triangle whose base is 5 inches and area is 12 square inches.

To find : Find the height of a triangle.

Solution : we have given

Triangle base = 5 inches.

Area = 12 square in.

We need to find height of the triangle.

Area =  * base * height .

Plugging the values .

12 =   * 5 * height .

On multiplying both sides by 2

24 = 5 * height .

On dividing both sides by 5.

Height = 4.8 inches.

Therefore, Height = 4.8 inches.

Answer: The answer to this expression is -10x

Step-by-step explanation:

We distribute -2x t the equation inside of the parenthaseis

\(-2 x (10 + (-5))\)

\(-2x*10=-20x\)

\(-2x*-5=10x\)

\(-20x +10x=-10x\)

The p-value of .050, we may conclude that there is a significant difference between the group means with a 5% probability of type I error if the null hypothesis is correct.

Suppose that an analysis of variance (ANOVA) produces an F statistic with a p-value of .050. What can we conclude based on these results?An F-test or analysis of variance (ANOVA) is used to evaluate whether two or more groups have significant differences. The analysis of variance (ANOVA) is used to compare the means of two or more groups, and it is frequently used in studies to determine whether a treatment has an impact or to compare multiple treatments. It is a hypothesis test that can be used to assess the significance of group means.In a one-way ANOVA test, a single independent variable is compared to multiple groups, with each group representing a different level of the independent variable. The null hypothesis states that there is no significant difference between the group means. If the null hypothesis is correct, the F statistic calculated from the ANOVA test follows the F-distribution with n - 1 degrees of freedom for the numerator and N - n degrees of freedom for the denominator, where N is the total sample size, and n is the number of groups.The p-value obtained from an F-test informs us about the likelihood of getting a result that is at least as extreme as the observed F statistic if the null hypothesis is correct. Furthermore, we may reject the null hypothesis because the p-value is less than the predetermined alpha level of .05. As a result, we can infer that the independent variable is most likely having a significant impact on the dependent variable.

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A p-value of 0.050 in an ANOVA means there is just enough evidence to reject the null hypothesis and conclude there is a significant difference between the group means, at the usual significance level of 0.05.

In the context of an Analysis of Variance (ANOVA), the F statistic is used to compare the amount of variation within each group to the variation of the means of each group. A p-value of 0.050 signifies the probability of obtaining the observed F statistic, assuming the null hypothesis is true, which states there is no significant difference between the group means.

In this case, if we hold the typical alpha level of 0.05, which is the threshold for significance, we would say that the p-value at 0.050 barely meets this threshold. Hence, there is just enough evidence to reject the null hypothesis and conclude there is a statistically significant difference between the group means. This is because a p-value less than or equals to 0.05 indicates a less than 5% chance that the observed difference arose by random chance alone.

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If the medical procedure costs $4500 and the insurance covers 7/8 of the cost, then the amount of the procedure that the insurance covers can be calculated as:

Amount covered by insurance = (7/8) x ($4500)

We can simplify this expression by first finding the value of 7/8 as a decimal:

7/8 = 0.875

Substituting this value back into the expression, we get:

Amount covered by insurance = (0.875) x ($4500)

Simplifying this expression, we get:

Amount covered by insurance = $3,937.50

Therefore, the insurance covers $3,937.50 of the procedure cost.

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The value of k is 1, the volume of the parallelepiped is 12 + 4λ, and the vector component of a + c orthogonal to c is (1,1,1.5).

a) Here the area of the parallelogram determined by d and e is given as 10. The area of the parallelogram is given as `|d×e|`.

We have,

d=(2,4)

and e=(4k,3k)

Then,

d×e= (2 * 3k) - (4 * 4k) = -10k

Area of parallelogram = |d×e|

= |-10k|

= 10

As we know, area of parallelogram can also be given as,

|d×e| = |d||e| sin θ

where, θ is the angle between the two vectors.

Then,10 = √(2^2 + 4^2) * √((4k)^2 + (3k)^2) sin θ

⇒ 10 = √20 √25k^2 sin θ

⇒ 10 = 10k sin θ

∴ k sin θ = 1

Therefore, sin θ = 1/k

Hence, the value of k is 1.

Part(b) The volume of the parallelepiped determined by vectors a, b and c is given as,

| a . (b × c)|

Here, a=(1,1,2),

b=(5,3,λ), and

c=(4,4,0)

Therefore,

b × c = [(3 × 0) - (λ × 4)]i + [(λ × 4) - (5 × 0)]j + [(5 × 4) - (3 × 4)]k

= -4i + 4λj + 8k

Now,| a . (b × c)|=| (1,1,2) .

(-4,4λ,8) |=| (-4 + 4λ + 16) |

=| 12 + 4λ |

Therefore, the volume of the parallelepiped is 12 + 4λ.

Part(c) The vector component of a + c orthogonal to c is given by [(a+c) - projc(a+c)].

Here, a=(1,1,2) and

c=(4,4,0).

Then, a + c = (1+4, 1+4, 2+0)

= (5, 5, 2)

Now, projecting (a+c) onto c, we get,

projc(a+c) = [(a+c).c / |c|^2] c

= [(5×4 + 5×4) / (4^2 + 4^2)] (4,4,0)

= (4,4,0.5)

Therefore, [(a+c) - projc(a+c)] = (5,5,2) - (4,4,0.5)

= (1,1,1.5)

Therefore, the vector component of a + c orthogonal to c is (1,1,1.5).

Conclusion: The value of k is 1, the volume of the parallelepiped is 12 + 4λ, and the vector component of a + c orthogonal to c is (1,1,1.5).

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Answer:

The answer is the last one: One runner in the study runs 31...

Step-by-step explanation:

31 is the input (x) and 81 is the output (y) and since there's 1 ordered pair per runner, it's going to be one runner, and the input is the miles ran.

The point (31, 81) tells One runner in the study runs 31 miles per week and has a standing heart rate of 81 beats per minute.

In mathematics, data is a collection of facts and figures that can take any shape, whether it be numerical or not. You can calculate numerical data, which is always gathered in number form and includes things like student test results, employee salaries, football team member heights, etc.

Given:

The college track coach conducts a study to see if the number of miles a person runs per week affects the standing heart rate (beats per minute).

So, the point (31, 81) tells that the runner run 31 miles this week with hear rate 81 beats / min

Hence, point (31, 81) tells One runner in the study runs 31 miles per week and has a standing heart rate of 81 beats per minute.

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89% of pebbles weigh more than 2.1 grams.

What is a percentage?

Given,

         Mean = 2.6

           SD = 0.4

As we have to find the percentage of pebbles weighing more than 2.1, we have to find the z-score for 2.1 first.

             \(z = \frac{x- mean}{SD}\)

             \(z = \frac{2.1 - 2.6}{0.4}\)

             \(z = -1.25\)

Now we have to use the z-score table to find the percentage of pebbles weighing less than 2.1

So,

   \(P ( x < 1.25 ) = 0.10565\)

This gives us the probability of P(z<-1.25) or P(x<2.1)

To find the probability of pebbles weighing more than 2.1

\(P ( x > 2.1 ) = 1 - P( x < 2.1 ) = 1 - 0.10565 = 0.89435\)

Converting into percentage

0.89435 × 100 = 89.435 %

Rounding off to nearest percent   =89%

Therefore, 89% of pebbles weigh more than 2.1 grams.

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The disjunction of -p or -q can be written as (-p) v (-q). So, we have to find the truth value of (-p) v (-q). So, the compound statement for the disjunction of -p or -q is (-p) v (-q), and its truth value is true.

using the following statements: p: There are 14 inches in 1 foot.

q: There are 3 feet in 1 yard.

Solution: We know that 1 foot = 12 inches, which means that there are 14 inches in 1 foot can be written as 14 < 12. But this statement is false because 14 is not less than 12. Therefore, the negation of this statement is true, which gives us (-p) as true.

Now, we know that 1 yard = 3 feet, which means that there are 3 feet in 1 yard can be written as 3 > 1. This statement is true because 3 is greater than 1. Therefore, the negation of this statement is false, which gives us (-q) as false.

Now, we can use the values of (-p) and (-q) to find the truth value of (-p) v (-q) using the disjunction rule. The truth value of (-p) v (-q) is true if either (-p) or (-q) is true or both (-p) and (-q) are true. Since (-p) is true and (-q) is false, the disjunction of (-p) v (-q) is true. Hence, the compound statement for the disjunction of -p or -q is (-p) v (-q), and its truth value is true.

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The volume of the solid is 64/3 cubic units.

To compute the volume of the solid, we integrate the area of the cross sections over the interval [0, 2] along the x-axis. The area of each cross section is given by the product of the height f(x) = 8x² and the width dx. Hence, we have:

V = ∫[0,2] f(x) dx

= ∫[0,2] 8x² dx

= [8(x³/3)] [0,2]

= 8(2³/3 - 0³/3)

= 8(8/3)

= 64/3

Therefore, the volume of the solid is 64/3 cubic units.

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(a)  The probability of the with replacement is 3/80.

(b) The probability of the without replacement is 15/380.

Two cards are selected at random Of a deck of 20 cards ranging from 1 to 5 with monkeys, frogs, lions, and birds on them all numbered 1 through 5 .

a) with replacement.

5/20 * 3/20 = 3/80.

b) without replacement.

5/20 3/19 = 15/380.

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Answer:

The answer is below

Step-by-step explanation:

1) Since the titanic was scheduled to reach on April 17 after leaving on April 10, this means that 7 days was spent on the voyage. The total amount of meat available was 75000 pounds, hence:

number of meat per day = total amount of meat / number of days = 75000 / 7 = 10714 pounds per day.

2) Total number of silverware is 44000. Hence:

Total plates = half of total silverware = 44000/2 = 22000

3) There are 3000 potatoes in a ton, and a total of 40 tons was available on the titanic. Hence:

Total number of potatoes = 40 tons * 3000 potatoes per ton = 120000 potatoes

Answer:

\(y=3x^{2} -18x+15\) is the equation the quadratic as per the given conditions.

Step-by-step explanation:

Let the equation of the quadratic be:

\(y=ax^{2} +bx+c\)

Given that it has zeroes at x = 1 and x = 5 i.e. y = 0 at both the values of x.

Also passes through point (3, -12). i.e. when x = 3, y = -12

Putting x = 1, y = 0:

\(\Rightarrow a\times 1^{2} +b\times 1+c=0\\\Rightarrow a+b+c=0 ....... (1)\)

Putting x = 5, y = 0:

\(\Rightarrow a\times 5^{2} +b\times 5+c=0\\\Rightarrow 25a+5b+c=0 ....... (2)\)

Putting x = 3, y = -12:

\(\Rightarrow a\times 3^{2} +b\times 3+c=-12\\\Rightarrow 9a+3b+c=-12 ....... (3)\)

Equation (2) - Equation (1):

\(24a+4b=0\\\Rightarrow 6a +b=0 ...... (4)\)

Equation (2) - Equation (3):

\(16a+2b=12\\\Rightarrow 8a +b=6 ...... (5)\)

Equation (5) - Equation (4):

\(2a=6\\\Rightarrow a =3\)

Putting value of a in equation (4):

\(6\times 3+b=0\\\Rightarrow b = -18\)

Putting a and b in equation (1):

\(3-18+c=0\\\Rightarrow c= 15\)

So, the quadratic equation is:

\(y=3x^{2} -18x+15\)

The correct Option (B). Succession may be defined as the change in the ecological community of the species with respect to time. Two main types of succession are primary succession and secondary succession.

The living things that accumulate in the succession is from the simple organism to the complex organism. First lichens will evade in the land. After lichens grass then shrubs and finally the trees will cover the area and convert into the forest.

Primary succession occurs in basically dead areas—regions where the soil is incapable of supporting life due to causes such as lava flows, newly created sand dunes, or glacier-left boulders.

Pioneer microorganisms, plants (lichens and mosses), grassy stage, smaller shrubs, and trees are all stages of primary succession. When there is food available, animals begin to return. The climax community stage is reached when the ecosystem is fully functional.

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Full Question :

After a town is abandoned, the concrete parking lots remain empty and inactive for hundreds of years. What is the most likely order of ecological succession in that area?

A.grass → trees → lichens → moss

B.lichens → grass → shrubs → trees

C.lichens → grass → trees → shrubs

D.shrubs → grass → trees → lichens

The Solution:

Given the linear function below:

So, the slope of the linear function above is the coefficient of x in the given linear function. Therefore, the slope of the given function is 4.6

The interpretation of the slope is 4.6% of the people graduate from college every year after the year 1998.

Answer:

The distributive property

Step-by-step explanation:

Nora essentially distributing the parts of the problem.

Please tell me if I'm wrong and I'll fix my answer.

Answer:

its the distributive property

Step-by-step explanation:

i took the

test

Step-by-step explanation:

(2,4)===(4,-2)

(4,3)===(3,-4)

(2,3)===(3,-2)

The correct statement describing step 3 is:

C. Adjust the width of the compass to BQ, and draw an arc from point X such that it intersects the arc drawn from N in a point Y.

Correct option is C.

In the given construction,

step 1 involves drawing an arc from point Q to intersect the sides PQ and QR at points A and B, respectively.

Step 2 involves drawing a segment NT and using the same width of the compass to draw an arc from point N to intersect the segment NT at point X.

To continue the construction and construct an angle MNT congruent to angle PQR,

step 3 requires adjusting the width of the compass to BQ. This means the compass should be set to the distance between points B and Q. Then, from point X, an arc is drawn that intersects the arc drawn from N at a point Y.

By completing this step, the construction creates an angle MNT that is congruent to the given angle PQR.

Correct option is C.

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Answer:

8<x<33/2

Step-by-step explanation:

A+B+C=180 ==> all three angles of a triangle=180 degrees

Let's say A=2x+1, B=3x-7. Solve for C:

2x+1 + 3x-7 + C=180

2x+3x+1-7+C=180 ==> join like terms

5x-6+C=180

5(8)-6+C=180  ==> substitute 8 for x

40-6+C=180  ==> simplify

34+C=180

34-34+C=180-34

C=146

5x+C=186

5x-5x+C=186-5x

C=186-5x

a+3x-7=180 ==> these two angles from a straight line (A is separate from a)

2x+1 + 3x-7 + C=180

a+3x-7=2x+1 + 3x-7 + C

a=2x+1 + C ==> subtract 3x-7 from both sides

a=2x+1 + 146  ==> substitute 146 for C

a=2x+147

a<180 ==> a can't be 180 degrees since a equals 180 minus an angle(C).

2x+147<180

2x+147-147<180-147

2x<33

2x/2<33/2

8<x<33/2

Answer:

\(900 \pi\) square meters

Step-by-step explanation:

Given:

diameter \(d=30m\)

radius \(r=\frac{d}{2}=15m\)

using the formula for surface area of sphere, we get:

\(area_s=4\times \pi \times r^2\)

\(=4\times\pi \times 15^2\\\\=900\times \pi m^2\)

The equation of the line in point-slope form is written as: y + 5 = 1/5(x + 2).

We can write the equation of a line in point-slope form by substituting the value of the slope of the line, m, and the value of the coordinates of a point on the line, (a, b) into the equation y - b = m(x - a).

Given the variables below:

A point on the line (a, b) = (-2, -5)

Slope (m) = 1/5.

To write the equation of the line in point-slope form, substitute a = -2, b = -5 and m = 1/5 into y - b = m(x - a):

y - (-5) = 1/5(x - (-2))

y + 5 = 1/5(x + 2)

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ANSWERS ARE AT THE BOTTOM

To solve this question, we need to write the questions algebraically. Let's look at the problem first: The sum of a number 8, and twice the number x is equal to 28.

Algebraic form:

8 + 2x = 28

Lets solve this!

8 + 2x = 28            (Algebraic Form)

2x = 28 - 8             (Subtract 8 from both sides)

2x = 20                  (Divide by 2)

x = 10                     (Answer)

ANSWER:

x = 10

Answer:

obviously he's lazy like dude come on exercise big balloon any way just divide 14 by 20

Step-by-step explanation

Answer:

divide 14 by 20

Step-by-step explanation:

I saw the other answer.

It should be noted that the concept of chords and central angles are used in the design since the diameter and circumference of the angles are taken into consideration.

A ferris wheel simply means an amusement ride that contains a rotating uprights wheel that has multiple passenger-carrying components attached to a rim.

It should be noted that the consideration in designing a ferris wheel is that the circumference and the measurement of the central angle formed will be known.

Lastly, if a ferries wheel is not circular in design, it'll be a challenge for it to rotate.

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