Because of the open circle at -7, the inequality uses a Less-than or Greater-than sign.
What are Equations?A mathematical statement that has a "equal to" symbol between two expressions with equal values is called an equation. as in 3x + 5 Equals 15, for instance.
Equations come in a variety of forms, including linear, quadratic, cubic, and others.
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
We have LHS = RHS (left hand side = right hand side) in every mathematical equation. To determine the value of an unknown variable that represents an unknown quantity, equations can be solved. The statement is not an equation if there is no "equal to" sign in it.
Hence, Because of the open circle at -7, the inequality uses a Less-than or Greater-than sign.
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Select the correct answer.
Employees of a venue are setting up for a wedding in a hall that has indoor and patio seating. They are trying to decide how to best arrange the flowers. The bride instructed the employees that she wants some of the aisles to have bouquets of only roses and some of the aisles to have bouquets of only dahlias.
For the indoor area, they have decided that in each rose-only aisle, there will be 4 less bouquets of roses than there are roses in each bouquet. There will be 6 rose aisles and one aisle with 2 bouquets of dahlias.
The patio seating area will have one aisle with 4 bouquets of roses and one aisle with 8 bouquets of dahlias.
They plan on using 100 total flowers for the indoor aisles and 132 total flowers for the patio aisles. They want to apply these numbers to determine how many flowers will go in the bouquets if all of the bouquets have an equal number of flowers.
Create a system of equations to model the situation, and use it to determine how many of the solutions are viable.
A. There are 2 solutions, and both are viable.
B. There is 1 solution, but it is not viable.
C. There is 1 solution, and it is viable.
D. There are 2 solutions, but only 1 is viable.
The number of solutions that are viable is; D: There are 2 solutions and only 1 is viable.
How to create a system of equations?For the Rose Only Aisle;
Let the bouquets of roses be X.
Let the number of roses per bouquet be r.
Thus;
Number of bouquets of roses = Xr - 4
Number of rose Aisles = 6
Number of bouquets of dahlias = 2
Patio seating area;
Number of bouquets of roses = 4
Number of bouquet of dahlias (d) = 8
For the rose only aisle, the equation is;
6(Xr - 4r) + 2d = 100
For the patio seating area, equation for number of flowers is;
4r + 8d = 132
We can see the two simultaneous equations and we can solve for r and d but only one of them will be viable.
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Choose the form which represents the following system of linear equations: 7x + y = 2z -11x + 4y +z 3x-y+z = 1 0 = 13 =
Among the given options, an inconsistent system of linear equations is one where there are no common solutions to the system of equations. This occurs when two lines or planes are parallel, and it is not possible for them to intersect.
The given system of linear equations is:
7x + y = 2z - 11 ..............(1)
-11x + 4y + z = 3 ..................(2)
3x - y + z = 1 ......................(3)
0 = 13 ...........................(4)
The given system of linear equations is inconsistent as the equation (4) is contradictory, which implies there is no common solution to the system of linear equations.
Upon examining the options, we can see that options A, B, and C represent consistent systems of linear equations as there are no contradictory or impossible equations similar to the given system.
Therefore, the correct option is D.
However, option D represents an inconsistent system of linear equations because the equation 0 = 13 contradicts the system, indicating that there is no common solution to the system.
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when using percentiles with normally distributed scores, differences between raw scores may be .
The percentile rank / score in the setting of statistics denotes the percentage of the population that falls below it when the data is organized in ascending order.
What is meant by normally distributed?The mean and standard deviation of a normal distribution are 0 and 1, correspondingly. It has a kurtosis of 3 and zero skew.Not every symmetrical distributions are normal, but all normal distributions are symmetrical.68.2% of observations would fall within +/- 1 standard deviation of a mean including all normal distributions, 95.4% will fall in +/- two standard deviations, and 99.7% will fall within +/- 3 different deviations.For the given question.
The difference in the percentiles and raw scores is-
When presented in ascending order in statistics, a percentile rank / score signifies the percentage of the population that drops below it. By translating the raw score into an analogous z-score through using empirical z-distribution table, the percentile for such a raw score may be established.To know more about the normally distributed, here
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Sketch each angle in standard position.
15°
The angle of 15° in standard position can be sketched as a small angle formed by rotating a ray counterclockwise from the positive x-axis.
In standard position, an angle is formed by rotating a ray counterclockwise from the positive x-axis. The initial side of the angle is the positive x-axis, and the terminal side is the ray after rotation. To sketch the angle of 15°, start with the positive x-axis as the initial side. Then, rotate the ray counterclockwise by 15°. The terminal side of the angle will be the position of the ray after the rotation. The angle will be a small angle that opens up to the left of the initial side.
The sketch of the angle will resemble a small "tick" mark or an acute angle, pointing in the counterclockwise direction. The size of the angle will be 15°, which is relatively small, closer to the size of a right angle (90°). By following this process, you can accurately sketch the angle of 15° in standard position.
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A triangle has sides that measure 2 units, 5 units, and 5.39 units. What is the area of a circle with a circumference that equals the perimeter of the triangle? Use 3.14 for π, and round your answer to the nearest whole number.
39 units2
25 units2
49 units2
12 units2
Answer:
12units²
Step-by-step explanation:
Given a triangle that has sides that measure 2 units, 5 units, and 5.39 units,
Perimeter of the triangle = 2 + 5 + 5.39
Perimeter of the triangle = 12.39units
since the circumference is equal to the perimeter of the triangle, hence;
C = 12.39units
C = 2πr
r is the radius of the circle
12.39 = 2(3.14)r
12.39 = 6.28r
r = 12.39/6.28
r = 1.973 units
Get the area
Area = πr²
Area of the circle = 3.14(1.973 )²
Area of the circle = 3.14(3.892)
Area of the circle = 12.22units²
Area of the circle ≈ 12units²
Answer:
D. 12 units2
what is the decimal value of the following binary number? 10011101
The following binary number has the value of 157 in decimal form.
How can a binary number be converted to a decimal?Step 1: Compose the binary number in writing. 10011101
Multiplying each binary digit by the corresponding power of two in step two:
1x27 + 0x26 + 0x25 + 1x24 + 1x23 + 1x22 + 0x21 + 1x20
Solve the powers in Step 3:
1x128+0x64+0x32+1x16+8+4+0x2+1x1=128+0 + 0 + 0 + 16+8+4+0 + 0 + 1
Step 4: Add the figures listed above:
128 + 0 + 0 + 16 + 8 + 4 + 0 + 1 = 157.
What does the binary number system mean?A binary number is a number that is expressed in the binary system or base 2 numeral system, according to digital technology and mathematics. It talks about numerical values.by the two distinct digits 1 (one) and 0 (zero). The base-2 system is the positional notation that uses 2 as the radix.
Define decimal.A number that has been divided into a whole and a fraction is called a decimal. To express the numerical value of entirely and partially entire quantities between integers, decimal numbers are used.
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Megan is planning a surprise dinner for her best friend. She has a set budget of $260. The venue charges
a flat fee of $25 for the reservation and they are going to charge her $15 a person. How many people can
Megan invite at most?
Answer:
16 people
Step-by-step explanation:
The equation you should set up for this problem is 260 = 15x+20, and x for the each person that Megan invites.
Simplify the equation to 240 = 15x, so x = 16
Can you help Jorge organize the results into a two-way frequency table? Please answer this ASAP
Answer:
The table is attached!
Step-by-step explanation:
6 students play both musical instrument and a sport3 students play neither a musical instrument nor a sport14 students in total play a sportGiven: There are 24 students in the class
The number of students that does not play a sport is 24 - 14 = 10
The number of students that does not play a musical instrument but play a sport = 14 - 6 = 8
The frequency table thus is attached below:
The box plot represents the scores on quizzes in a history class.
A box plot uses a number line from 69 to 87 with tick marks every one-half unit. The box extends from 75 to 82 on the number line. A line in the box is at 79. The lines outside the box end at 70 and 84.
What value does 25% of the data lie below?
(A) the lower quartile (Q1) and it is 75
(B) the lower quartile (Q1) and it is 79
(C) the upper quartile (Q3) and it is 82
(D) the upper quartile (Q3) ans it is 84
The correct option is A, the lower quartile (Q1) and it is 75.
We must comprehend the quartiles of the box plot in order to calculate the number below which 25% of the data lies.
A box plot's interquartile range (IQR), which contains the middle 50% of the data, is represented by the box.
The median, which splits the data into two equally sized half, is shown by the line inside the box.
Here, the box has a line at 79 and spans from 75 to 82.
Accordingly, the lower quartile (Q1) and the upper quartile (Q3) are both situated near the box's boundary, which is 75 and 82, respectively.
The line inside the box, which is 79, is the median (Q2).
The first quartile (Q1) or the 25th percentile must be identified in order to establish the number below which 25% of the data lies.
The first quartile in a box plot symbolizes the number below which 25% of the data is found.
Since Q1 is located at the lower boundary of the box, which is 75, 25% of the data lies below the score of 75.
Hence the correct option is A.
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Let C be the boundary of a region on which Green's Theorem holds. Use Green's Theorem to calculate the following. a) f(x) dx + g(y) dy fay ay dx + bx dy (a and b are constants) с a) f(x) dx + g(y) dy = (Type an exact answer in simplified form.) $ с
By applying Green's Theorem, the integral ∫(f(x) dx + g(y) dy) over the boundary C of a region can be simplified to a line integral involving the partial derivatives of f and g with respect to x and y.
Green's Theorem relates a line integral around a simple closed curve C to a double integral over the region D enclosed by C. It states that ∫(P dx + Q dy) = ∬(∂Q/∂x - ∂P/∂y) dA, where P and Q are continuously differentiable functions and D is the region enclosed by C.
In this case, we have the line integral ∫(f(x) dx + g(y) dy) over the boundary C. By applying Green's Theorem, this line integral can be simplified to ∬(∂(g(y))/∂x - ∂(f(x))/∂y) dA, where ∂(g(y))/∂x represents the partial derivative of g(y) with respect to x, and ∂(f(x))/∂y represents the partial derivative of f(x) with respect to y.
Since a and b are constants, they can be treated as functions with respect to the corresponding variable. Therefore, the simplified form of the integral becomes ∬(b - a) dA. This means that the result of the line integral over the boundary C is equal to the double integral of the constant (b - a) over the region D enclosed by C.
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If g(x)=4x-5 find g(-3).
Answer: -17
Explanation: If g(x) = 4x - 5, then g(-3) = 4(-3) - 5 which simplifies to -17.
determine if the sequence is arithmetic or geometric and determine the common difference/ ratio in simplest form
3,12,21
Answer:
Hello ♡
The answer to your question is :
2,12,21 is an arithmetic sequence with a common difference of +9 between each of them .
Step-by-step explanation:
Good luck ^^
Hope this helps u ;)
How can I solve this? 32 1/4 x 1/8
convert 32 1/4 into an improper fraction
Which of the following expressions is equivalent to (8x4)2(x3)?
8x11
8x24
64x11
64x24
Answer:
64x^11 after making the nomenclature revisions as noted below.
Step-by-step explanation:
Be careful with the notation. As written, (8x4)2(x3) is telling us to multiply 8*4*2*x*3 for an answer of 192x. But, judging from the answer options, this doesn't make sense.
If we assume, instead, that some of the numbers are actually exponents, then a different answer emerges. I'll guess that the expression (8x4)2(x3)
was meant to read: (8x^4)^2(x^3)
===
Assuming this is correct, take the following steps according to PEDMAS:
1) Exponents: (8x^4)^2 = 64x^8
2) (64x^8)*(x^3)
3) 64x^11
If we write the answer options is a similar manner, we find that the third option, 64x11, would be 64x^11, the expression we derived above. 64x11 is not the correct answer, but 64x^11 is.
which graph represents the linear equation y= 1/2 x + 2
Answer:
The graph on the top right
Step-by-step explanation:
The slope-intercept form is y = mx + b
m = the slope
b = y-intercept
The equation is y = 1/2x + 2
The y-intercept in this equation is 2, meaning the graph has a point (0,2) on it. Looking at the options, the only graph that has a point (0,2) is the map on the top right, and that is the answer.
A building is 52 meters tall. The building next to it is 50.36 meters tall.What is the difference between the heights of the buildings?
Answer:
1.4 meters
Step-by-step explanation:
A building is 52 meters tall. The building next to it is 50.36 meters tall. The difference between the heights of the buildings is 2.36 meters.
what do you mean by difference?The difference is defined as the maximum value minus the minimum value.
A building is 52 meters tall. The building next to it is 50.36 meters tall.
The tallest building = 52
The next building = 50.36
The difference
= 52 - 50.36
= 2.36
Therefore, the difference between the heights of the buildings is 2.36 meters.
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Identify the field below as conservative or not conservative. F=(8z+5y)i+(2z)j+(2y+8x)k Choose the correct answer below. The field is conservative. The field is not conservative.
The vector field \(F = (8z + 5y)i + (2z)j + (2y + 8x)k\) is not conservative. To determine whether the given vector field F is conservative or not, we can check if it satisfies the condition of being the gradient of a scalar function.
Given vector field:
\(\[ \mathbf{F} = (8z+5y)\mathbf{i} + (2z)\mathbf{j} + (2y+8x)\mathbf{k} \]\)
Let's find the potential function (scalar function) for the given vector field \(\(\mathbf{F}\).\)
We need to find a scalar function \(\(V(x, y, z)\)\) such that its gradient is equal to \(\(\mathbf{F}\):\)
\(\[\nabla V = \nabla(V(x, y, z)) = \mathbf{F}\]\)
Taking the partial derivatives of \(\(V\)\) with respect to \(\(x\), \(y\), and \(z\),\) we get:
\(\[\frac{\partial V}{\partial x} = 8z + 5y\]\)
\(\[\frac{\partial V}{\partial y} = 2z\]\)
\(\[\frac{\partial V}{\partial z} = 2y + 8x\]\)
Now, let's integrate each partial derivative with respect to its corresponding variable:
\(\[V = \int (8z + 5y) \,dx = 8xz + 5xy + g_1(y, z)\]\)
\(\[V = \int (2z) \,dy = 2yz + g_2(x, z)\]\)
\(\[V = \int (2y + 8x) \,dz = 2yz + 4xz + g_3(x, y)\]\)
Here, \(\(g_1(y, z)\), \(g_2(x, z)\), and \(g_3(x, y)\)\) are arbitrary functions of their respective variables.
Comparing these equations, we observe that we have two terms with the same coefficient in the expressions for \(\(V\):\)
\(\[8xz + 5xy + g_1(y, z) = 2yz + 4xz + g_3(x, y)\]\)
To satisfy this equality, the coefficients of the corresponding terms must be equal:
\(\[8xz = 4xz \quad \text{(coefficients of } x \text{ terms)}\]\)
\(\[5xy = 2yz \quad \text{(coefficients of } y \text{ terms)}\]\)
From the first equation, we can deduce that \(\(8 = 4\)\), which is not true.
Since the coefficients do not match, it means that we cannot find a scalar function \(\(V\)\) such that its gradient equals \(\(\mathbf{F}\).\) Therefore, the vector field \(\(\mathbf{F} = (8z + 5y)\mathbf{i} + (2z)\mathbf{j} + (2y + 8x)\mathbf{k}\) is \textbf{not conservative}.\)
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find the difference quotient of f; that is, find
The difference quotient of f; that is, \(\frac{f(x+h)-f(x)}{h}\), h ≠ 0 for the function f(x) = x^2 - 9x + 6 is 2x - 9.
The function is f(x) = x^2 - 9x + 6.
We have to determine the differential equation; that is \(\frac{f(x+h)-f(x)}{h}\).
To find the value of f(x+h) substitute x+h in place of x the the function.
f(x+h) = (x+h)^2 - 9(x+h) + 6
Solving
F(x+h) = x^2 + 2xh + h^2 - 9x - 9h + 6
Now putting the value
\(\frac{f(x+h)-f(x)}{h} = \frac{(x^2 + 2xh + h^2 - 9x - 9h + 6)-(x^2 - 9x + 6)}{h}\)
Simplify
\(\frac{f(x+h)-f(x)}{h} = \frac{x^2 + 2xh + h^2 - 9x - 9h + 6-x^2 + 9x - 6}{h}\)
\(\frac{f(x+h)-f(x)}{h} = \frac{2xh + h^2 - 9h}{h}\)
Taking common h on both side, we get
\(\frac{f(x+h)-f(x)}{h} = \frac{h(2x + h - 9)}{h}\)
\(\frac{f(x+h)-f(x)}{h}\) = (2x + h - 9)
Now setting the limit h tends to 0
\(\lim_{h\rightarrow 0}\frac{f(x+h)-f(x)}{h}\) = \(\lim_{h\rightarrow 0}\)(2x + h - 9)
Now putting h = 0, we get
\(\lim_{h\rightarrow 0}\frac{f(x+h)-f(x)}{h}\) = 2x - 9
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The complete question is:
Find the difference quotient of f; that is, find \(\frac{f(x+h)-f(x)}{h}\), h ≠ 0 for the following function. Be sure to simplify.
f(x) = x^2 - 9x + 6
Verify that the given segments are parallel.
Answer:
Step-by-step explanation:
M and N and QR
what is 10 x/10 = 30/10
Answer: The answer to this math question about solving for x with the given 2 basic fractions is \(x = 3.\)
Step-by-step explanation: Mmmm, that was super extremely easy, so anyway, here are 2 basic steps in order to solve for x with the given 2 basic fractions:
Step 1. First, let's cancel the terms that are in both the numerator and denominator that looks in the equation form like this: \(\frac{10x}{10} = \frac{30}{10}, x = \frac{30}{10}.\)
Step 2. Last but not least is after we cancel the terms that are in both the numerator and denominator, finally, let's divide the numbers that looks in the equation form like this: \(x = \frac{30}{10}, x = 3.\)
I hope that my full given answer with my full given step-by-step explanation is very helpful to your own math question about solving for x with the given 2 basic fractions, please mark me as Brainliest, take care, always be safe, and have a great rest of the day and good night! :D
Sincerely,
Jason Ta,
The Ambitious of The Brainly And The Role of The TDSB And WHCI Student of The High School.
f(x) = -2x+3
find f(-3)
Answer:
3
Step-by-step explanation:
this is because 3 would be the answer
Find x:
(Round the answer to the nearest tenth if there is a decimal)
Answer:Angle x is congruent with the interior angle opposite side 8 (alternate interior angles)
Use tangent:
tan x = 8/15
x = arctan (8/15)
x = 28.1° (rounded)
Step-by-step explanation:
please help, answer will get brainliest!!! The formula for the area of a triangle is A = one-half b h. Hiro is solving the equation for h; his work is shown below. What mistake did Hiro make? A = one-half b h. 2 times A = 2 times (one-half b h). 2 A = b h. 2 A minus b = h. Hiro should have divided both sides of the equation by 2. Hiro should have divided both sides of the equation by b. Hiro should have added b to both sides of the equation. Hiro should have subtracted 2 from both sides of the equation.
Answer:
Hiro should have divided both sides of the equation by b
Step-by-step explanation:
Given the formula for area of a triangle (A) = ½bh, Hiro was expected to solve for h.
To find out where Hiro made a mistake, let's solve for h step by step as it ought to be solved.
Thus,
A = ½ bh
==>Multiply both sides by 2:
2*A = 2 * [½bh]
2A = bh
==>Divide both sides by b:
(2A)/b = (bh)/b
(2A)/b = h
h = (2A)/b
The mistake Hiro made was that he subtracted b from both sides of the equation instead if dividing both sides by b.
Hiro should have divided both sides of the equation by b
The correct answer is
B) Hiro should have divided both sides of the equation by b.
I just took the quiz on edge
Solve 7x + 6<3(x - 2).
O [XIX<-3]
O {XIX < 0}
O {XIX<-2}
O [xlx>-3]
Step-by-step explanation:
X<-3 Inequality form , [XIX <-3]
Which of the following functions is graphed below?
A. y = [X]+7
B. y = [X] +5
C. y = [x] -7
D. y = [x]-5
I REALLY NEED HELP PLEASEEE
Answer:
it's the first one.
LETTER "A"
Answer:
Step-by-step explanation:
tis A
give another name for plane r
Answer:
P maybe
Step-by-step explanation:
I need help with my exam practice homework . Question 3 please
we have that
The double angles formula is equal to
\(\cos (2\theta)=\cos ^2(\theta)-\sin ^2(\theta)\)and remember that
\(\begin{gathered} \sin ^2(\theta)+\cos ^2(\theta)=1 \\ \cos ^2(\theta)=1-\sin ^2(\theta) \end{gathered}\)therefore
substitute in the original expression
\(\begin{gathered} \cos (2\theta)=1-\sin ^2(\theta)-\sin ^2(\theta) \\ \cos (2\theta)=1-2\sin ^2(\theta) \end{gathered}\)therefore
The third option is incorrectSelect the two values of x that are roots of this equation.
2x - 3 =-5x2
0 A. x= -1
07 1LO
0 B. X=
D C. x=-3
D D. x=5
Answer:
x==3
Step-by-step explanation:
-3-2=-5x-2x
=-1=-3 x
Answer:
i think it is D
Step-by-step explanation:
i think it is D.x=5 pls I'm not sure
A veterinarian finds that weights for the population of each dog breed tend to be approximately normally distributed. They know that the mean weight of beagles is 25 pounds with a standard deviation of 3 pounds..
What is the weight of a beagle that is 1 standard deviation below average?
What is the weight of a beagle that is 1 standard deviation above average?
How much of the data falls within that range (1 standard deviation below average to 1 standard deviation above average)?
The weight of a beagle that is 1 standard deviation below average is 22 pounds, the weight of a beagle that is 1 standard deviation above average is 28 pounds, and approximately 68% of the data falls within the range of 22 to 28 pounds.
If the weights of beagles are approximately normally distributed with a mean weight of 25 pounds and a standard deviation of 3 pounds, we can use the empirical rule to determine the weight of a beagle that is 1 standard deviation below average and 1 standard deviation above average.
According to the empirical rule, approximately 68% of the data falls within 1 standard deviation of the mean. Therefore, the weight of a beagle that is 1 standard deviation below average would be:
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25 - (1 x 3) = 22 pounds
Similarly, the weight of a beagle that is 1 standard deviation above average would be:
25 + (1 x 3) = 28 pounds
Thus, we can expect the weights of approximately 68% of beagles to fall within the range of 22 to 28 pounds.
The normal distribution is a bell-shaped curve that is symmetrical around the mean. In this case, the mean weight of beagles is 25 pounds, which is the highest point on the curve. As we move away from the mean, the probability of encountering a particular weight decreases. One standard deviation away from the mean covers a large proportion of the data, but as we move further away, the proportion decreases rapidly.
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what geometric shape forms the hole that fits an allen wrench
Answer:
A hexagon
Step-by-step explanation:
A hexagon - - - the allen wrench has 2 hexagonal heads. See attached pic.
The geometric shape that forms the hole that fits an allen wrench is a hexagon, which is a six-sided polygon with straight sides and angles.
The geometric shape hexagon-shaped hole in an allen wrench, also known as a hex key, is designed to fit tightly over the hexagonal socket of a screw or bolt head. A hexagon is a six-sided polygon, meaning it has six straight sides and angles. In the case of an allen wrench, the hexagon has internal angles of 120 degrees and opposite sides that are parallel.
The hexagonal shape of the hole in the wrench allows for a tight and secure fit onto the corresponding hexagonal socket of the screw or bolt head. This design ensures that the wrench can apply a significant amount of torque to the fastener without slipping, which is essential for many applications in construction, mechanics, and other industries.
The use of a hexagonal shape also allows for greater precision and control when turning the screw or bolt, making it easier to achieve the desired level of tightness. Overall, the hexagon is an ideal shape for the hole in an allen wrench due to its strength, stability, and precision.
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