Dimensions of the lower floor with the given volume of 2380 cubic feet are given by : length = 34feet, width = 7feet, and height = 10 feet.
Let us consider 'y' be the width of the barn.
Lower floor with horse stall which was extends 5 feet from both the sides.
Width after having horse stall = x - 10
Barn's length is twice the barn's width
Length = 2x
Height is 7 feet less than the barn's width = x - 7
Volume = 2380 cubic feet
⇒Length × width × height = 2380
⇒ ( 2x ) (x -10 ) (x -7 ) = 2380
⇒(2x² -20x)(x-7) = 1190
⇒2x³ -34x² +140x -2380 =0
⇒ x = 17 , √70i, -√70i
x can not be imaginary.
⇒ x = 17feet ( approximately)
Required dimensions are:
Length : 2x = 34feet
Width : x -10 = 7 feet
Height : x - 7 = 10 feet
Therefore, for the given volume the required dimensions are 34feet, 7 feet , and 10 feet.
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PLEASE HELP!! 100 POINTS!!
Answer:
Step-by-step explanation:
f(X) = 5X=25
I NEED HELP ASAP!!
I hate IXL with a passion but my math teacher thought it was a good idea to give us homework on it. Anyways, here is the question:
What is the value of f?
Answer:c
Step-by-step explanation:
The following inequalities form a system.
y ≥ 3x + 1
x < −3
Which graph represents the system?
A) The graph shows a solid line, which passes through a point 0 comma 1 and a point 1 comma 4, with shading above the line. There is also a dashed line, which passes through a point 0 comma negative 3 and a point 1 comma negative 3, with shading below the line.
B) The graph shows a solid line, which passes through a point 0 comma 1 and a point 1 comma 4, with shading below the line. There is also a dashed line, which passes through a point 0 comma negative 3 and a point 1 comma negative 3, with shading below the line.
C) The graph shows a solid line, which passes through a point 0 comma 1 and a point 1 comma 4, with shading above the line. There is also a dashed line, which passes through a point negative 3 comma 0 and a point negative 3 comma 1, with shading to the right of the line.
D) The graph shows a solid line, which passes through a point 0 comma 1 and a point 1 comma 4, with shading above the line. There is also a dashed line, which passes through a point negative 3 comma 0 and a point negative 3 comma 1, with shading to the left of the line.
The graph that represents the system is option D.
The first inequality y ≥ 3x + 1 represents a line with a slope of 3 and a y-intercept of 1, and it is shaded above the line. This line is a solid line.
The second inequality x < -3 represents a vertical line with an x-intercept of -3, and it is shaded to the left of the line. This line is a dashed line.
The solution of the system is the intersection of the two regions, which is the area on the coordinate plane that is shaded above the solid line and to the left of the dashed line.
So the graph that represents the system is the one that shows a solid line with a slope of 3 and a y-intercept of 1, with shading above the line, and a dashed line with an x-intercept of -3, with shading to the left of the line. This is option D.
Answer:
D
Step-by-step explanation:
took the test xx
There are three coins in a barrel. These coins, when flipped, will come up heads with respective probabilities 0. 3, 0. 5, 0. 7. A coin is randomly selected from among these three and is then flipped ten times. Let N be the number of heads obtained on the ten flips. (a) Find P{N = 0}. (b) Find P{N = n}, n = 0, 1. 10. (c) Does N have a binomial distribution?(d) If you win $1 each time a head appears and you lose $1 each time a tail appears, is this a fair game? Explain
(a) P(N=0) = 0.00974
(b) P(N=n) = 1/3[10Cn(0.3)ⁿ(0.7)¹⁰⁻ⁿ + 10Cn(0.5)ⁿ(0.5)¹⁰⁻ⁿ + 10Cn(0.7)ⁿ(0.3)¹⁰⁻ⁿ]
(c) N does not have a binomial distribution.
(d) yes, it is a fair game.
(a) P(N=0) = 1/3P(N=0 | p = 0.3) + 1/3P(N=0 | p = 0.5) + 1/3P(N=0 | p = 0.7)
or P(N=0) = 1/3{(0.3)¹⁰ + (0.5)¹⁰ + (0.7)¹⁰)
or P(N=0) = 0.00974
(b) P(N=n) = 1/3[10Cn(0.3)ⁿ(0.7)¹⁰⁻ⁿ + 10Cn(0.5)ⁿ(0.5)¹⁰⁻ⁿ + 10Cn(0.7)ⁿ(0.3)¹⁰⁻ⁿ]
since, n=0, 1, 10
(c) N does not have binomial distribution but subparts in it have binomial distribution.
(d) yes, it is a fair game because only the first and third coins are biased and their biasness is tied (p = 0.3 and 0.7). Hence it is a fair game in the long run.
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what is the base area of a pyramid with a volume of 72 m^3 and a height of 12 m 
Answer:
Thats the answer in the picture I designed and made it step by step so you can understand it
Hope it helps
The description below outline different payment options for working at a lawn mowing company. Use x to represent the number of lawns and y to represent the total payment.
For each equation and graph drag the situation that can be modeled by that relationship into the space in that row.
A mathematical rule that may have a value given to it is called a function.
What is a function?A mathematical rule that may have a value given to it is called a function.
A mathematical function is a rule that can have a value. We will now move on to determine which function may be categorised as displayed.
The equation for this quadratic function, y = 2x, is that Ashley pays $2 every day and provides $2 to her brother.
The total payment equals twice as many days as there are in a week. This is a linear function, and its equation is y= 2x - 2x = 2[tex]x^{2}[/tex]
The daily payouts begin at $2 and double with each passing day; this exponential function has the formula y = 2[tex]x^{2}[/tex]
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How do I solve this??????
Answer:
#13: 360; #14: 9 m^3
Step-by-step explanation:
x ^2 y z^3 = 9*5*8=360
81 m^4*n^3 = 9 m*n^3 * 9 m^3
The table represents a quadratic function f(x).
x f(x)
−10 24
−9 17
−8 12
−7 9
−6 8
−5 9
−4 12
If the equation of the function f(x) is written in standard form f(x) = ax2 + bx + c, what is the value of b?
−7
6
12
36
For the given quadratic function, the coefficient b is equal to 12.
What is a Quadratic Function?
The quadratic function can represent a quadratic equation in the Standard form: ax²+bx+c=0 where: a, b and c are your respective coefficients. In the quadratic function, the coefficient "a" must be different than zero (a≠0) and the degree of the function must be equal to 2.
The question gives some points of the quadratic function, see below.
x f(x)
−10 24
−9 17
−8 12
−7 9
−6 8
−5 9
−4 12
From the given data you can find the coefficients by solving the system linear equation.
You can write a system linear equation using the points: (-10,24) ,(-9,17) and (-8,12) for example. Then, you have three equations:
100a-10b+c=24 (1)
81a-9b+c=17 (2)
64a-8b+c=12 (3)
Isolate the coefficient a, you have [tex]a=\frac{24+10b-c}{100}[/tex]. Replacing the variable a in equations 2 and 3, you have:
[tex]81* \frac{24+10b-c}{100}-9b+c=17 (2) \\\\ 64* \frac{24+10b-c}{100}-8b+c=12 (3)[/tex]
Simplifying, you can rewrite it as:
[tex]\frac{-90b+19c+1944}{100}=17 (2) \\ \frac{-40b+9c+384}{25}=12 (3)[/tex]
Next step, you should isolate the coefficient b from the previous equation 2. You have:
[tex]\frac{-90b+19c+1944}{100}=17\\ \\ -90b=1700-19c-1944\\ \\ -90b=-244-19c\\ \\ b=-\frac{-244-19c}{90} = \frac{244+19c}{90}[/tex]
[tex]b=\frac{(244+19c)}{90} (4)[/tex]
Replacing the variable b in the previous equation 3, you have:
[tex]\frac{-40*\frac{244+19c}{90}+9c+384 }{25} =12\\[/tex]. Multiplying both sides by 25, you find the coefficient c:
[tex]\frac{25*(-40(\frac{244+19c}{90})+9c+384)}{25}=12*25\\ \\ -40(\frac{244+19c}{90})+9c+384=300\\ \\ -4(\frac{244+19c}{9})+9c+384=300\\ \\ (\frac{-976-76c}{9})+9c+384=300\\ \\ -976-76c+81c+3456=2700\\ \\ -76c+81c=2700+976-3456\\ \\ 5c=220\\ \\ c=44[/tex]
From the previous equation 4, you finally find the coefficient b. See below.
[tex]b=\frac{244+19c}{90} \\ b=\frac{244+19*44}{90}\\ \\ b=\frac{244+836}{90}\\ \\ b=\frac{1080}{90}\\ \\ b=12[/tex]
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Cliff hanger leaps from a cliff. At first, the fall is modeled by
F(t)= -t2 + 2t + 305, where t is the time sense he jumped. After a certain amount of time , he opens his parachute, after which, his fall is modeled by
P(t) = -t + 295. At how many seconds did he open his chutes
He open his chutes at t = (3 ± √(-31)) / 2 seconds.
How to calculate the time?To find the time at which the person opened their parachute, we need to find the point of intersection between the two equations, F(t) and P(t).
The first equation is F(t) = -t^2 + 2t + 305, represents the fall before the parachute is open.
The second equation is P(t) = -t + 295, represents the fall after the parachute is open.
We can find the point of intersection by setting the two equations equal to each other and solving for t.
-t^2 + 2t + 305 = -t + 295
-t^2 + 3t = -10
t^2 - 3t + 10 = 0
using quadratic formula
t = (3 ± √(3^2 - 4110)) / 2*1
t = (3 ± √(9 - 40)) / 2
t = (3 ± √(-31)) / 2
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mathematical expression
When numbers and variables are properly combined using operations like addition, subtraction, multiplication, division, exponentiation, and other as-yet-unlearned operations and functions, a set of mathematical symbols known as an expression is produced.
What are Mathematical expressions?A mathematical expression is the collection of mathematical symbols that results from the proper combination of numbers and variables using operations like addition, subtraction, multiplication, division, exponentiation, and other as-yet-unlearned operations and functions.
Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression.
In the phrase 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.
Therefore, when numbers and variables are properly combined using operations like addition, subtraction, multiplication, division, exponentiation, and other as-yet-unlearned operations and functions, a set of mathematical symbols known as an expression is produced.
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Complete question:
What is a mathematical expression?
Answer:
y=mx+b
Step-by-step explanation:
Which of the following exponential functions represents the graph below?
The function represent the given graph is f(x)= 1·(1/2)ˣ. Therefore, option B is the correct answer.
What is the exponential function?Exponential function, as its name suggests, involves exponents. But note that, an exponential function has a constant as its base and a variable as its exponent but not the other way round (if a function has a variable as the base and a constant as the exponent then it is a power function but not an exponential function).
As, seen from the graph passes through (0,1) point.
Now, put x = 0, we get
y = 1 from equation B or D.
Now, as the value of x increases towards negative direction i.e. -5, -6, ....
Then, the value of y will be zero.
So, the function represent the graph is f(x)= 1·(1/2)ˣ
Therefore, option B is the correct answer.
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A marble is going to be taken at random from a box of marbles.
The probability that the marble will be silver is 0.5
There must be an even number of marbles in the box.
(b) Explain why.
A probability is a number that reflects the chance or likelihood that a particular event will occur.
What is probability?A probability is a number that reflects the chance or likelihood that a particular event will occur. Probabilities can be expressed as proportions that range from 0 to 1, and they can also be expressed as percentages ranging from 0% to 100%.
Probability is the likelihood that an event will occur and is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. The simplest example is a coin flip. When you flip a coin there are only two possible outcomes, the result is either heads or tails.
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The length of a rectangular backyard, is 3x + 4 feet, and the width is x - 1 feet. Write à polynomial that represents the area. Find the area if x is 6 feet.
Answer:
Step-by-step explanation:
The length of the rectangular backyard is represented by the polynomial 3x + 4 and the width is represented by the polynomial x - 1. To find the area, we can multiply the length and the width, which will give us the polynomial expression for the area.
So the polynomial that represents the area of the rectangular backyard is:
(3x + 4) * (x - 1) = 3x^2 + x - 4
If x = 6, then we can substitute this value into the polynomial expression for the area and find the area of the backyard:
3x^2 + x - 4 = 3(6)^2 + (6) - 4 = 108 square feet
So the area of the rectangular backyard when x = 6 is 108 square feet.
would a 7 inch long pen fit in a box with dimensions of 3 in x 4 in x 5 in? explain please
The 7 inches pen would not fit in the box with dimensions 3 in × 4 in × 5 in
How to answer the question on dimensionsThe 7 inches long pen would not fit in a box with dimensions of 3 inches x 4 inches x 5 inches because the dimensions of the box are not long enough to accommodate the length of the pen.
Specifically, the length dimension of the box (3 inches) is less than the length of the pen (7 inches), so the pen would not be able to fit inside the box.
Additionally, even if the length of the box was greater than 7 inches, the width and height dimensions of the box (4 inches and 5 inches, respectively) would likely be too small to accommodate the diameter of the pen.
In conclusion, the pen is too long for the box, and the box is not wide or tall enough to fit the pen.
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A bicycle has wheels with diameter 630 mm. The center of a red reflector is on the front wheel 79 mm from the edge of the tire. If the bicycle is traveling at a speed of 1.6 meters per second, find a function for the height of the center of the red reflector at time t seconds. (Assume that at t = 0, the reflector is at its lowest height.)
Answer: The reflector's height can be modeled as a function of time. The function will depend on the radius of the wheel, the distance of the reflector from the edge of the tire, and the speed of the bicycle.
Let's call the radius of the wheel r. The radius is half of the diameter, so:
r = 630 / 2 = 315 mm
Also, let's call the distance of the reflector from the edge of the tire d.
d = 79 mm
Given that the reflector is at its lowest height at t = 0, we know that at that time the center of the reflector is at a height of r + d = 315 + 79 = 394 mm.
The height of the center of the red reflector at time t seconds is given by:
h(t) = (r + d) + vt
Where v is the speed of the bicycle in meters per second, and t is the time in seconds.
Substituting the values we have:
h(t) = 394 + (1.6 x t)
So the function for the height of the center of the red reflector at time t seconds is h(t) = 394 + (1.6 x t) (in mm)
It's important to note that this function is based on the assumption that the reflector is at its lowest height at time t = 0 and that the height of the reflector increases linearly with time as the bike moves forward.
Step-by-step explanation:
Amelia took a taxi from her house to the airport. The taxi company charged a pick-up fee of $4.60 plus $0.50 per mile. The total fare was $13.60, not including the tip. Write and solve an equation which can be used to determine m, the number of miles in the taxi ride.
Answer: 4.6+.5m=13.60 , m=18
Step-by-step explanation:
4.6+.5m=13.60
.5m=13.60-4.6
.5m=9
m=18
If Elayna bought 18 bags of topsoil and each bag contains 36 pounds, how many total bags did she buy?
648 pounds of topsoil in total.
( for this question it's asking how many bags she bought in total, which I dont understand cuz it already says she bought 18 bags.)
(It really should have asked, how much topsoil in total did she buy)
but what I did to find my ans is that I multiplied.
36×18, cuz it says each bag contains 36 pounds.
80) the referee awards a free kick. an opponent stands in front of the ball. play is restarted and the ball hits the opponent who is less than 10 yards from the ball. what decision should the referee make?
If an opponent stands less than 10 yards from the ball when a free kick is awarded, and the ball subsequently strikes that opponent, the referee should award an indirect free kick to the opposing team.
This is because the opponent is in violation of the laws of the game, specifically Law 13 - Free kicks which states that at a direct free kick, a player must be at least 10 yards (9.15m) from the ball until it is in play.
The indirect free kick should be taken from the spot where the opponent was when they were struck by the ball.
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Multiple choice question math!!
Marco is 1000 m due east of the centre of the park. His friend Ray is 1000 m due south of the centre of the park. Which is the correct expression for the exact distance between the two boys?
A. 500√ 2 m
B. 1000/√ 2 m
C. 500/√2 m
D. 1000√2 m
The correct expression for the exact distance between the two boys: 1000√2 m
The correct answer is an option (D)
Consider following diagram.
In right triangle ABC, AB represents the distance covered by the Marco and AC represents the distance covered by the Ray.
AB = 1000 m
AC = 1000 m
We need to find the correct expression for the exact distance between the two boys.
i.e., we need to find the length of hypotenuse BC.
Using Pythagoras theorem for right triangle ABC,
BC² = AB² + AC²
BC² = 1000² + 1000²
BC² = 1000000 + 1000000
BC² = 2 × 1000000
BC = [tex]\sqrt{2\times 1000000}[/tex]
BC = 1000√2 m
Therefore, the distance between the boys = 1000√2
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chris decided to buy 102 feet of craft center material what is the cost
Answer: however much a foot of craft material is multiply it by 102
Step-by-step explanation:
The sum of the measures of 4 out of the 6 interior angles in a hexagon is 650°. If the remaining two angles are equal in measure, what is the measure of each angle?
Group of answer choices
60
35
720
70
650
The measure of each angle of hexagon = 35°
we know that the hexagon is a polygon with six sides.
A regular hexagon is a hexagon with the measurement of all the sides and interior angles are equal.
Let us assume that x represent the measure of one of the remaining two angles that are equal in measure.
We know that the sum of interior angles of hexagon is 720°
The sum of the measures of 4 out of the 6 interior angles in a hexagon is 650°.
So, we get an equation,
650° + x + x = 720°
650° + 2x = 720°
2x = 70°
x = 70/2
x = 35°
The measure of each angle = 35°
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What is the measure?
Answer:
∠ U = 80°
Step-by-step explanation:
the sum of the 3 angles in the triangle = 180° , that is
∠ U + 37° + 63° = 180°
∠ U + 100° = 180° ( subtract 100° from both sides )
∠ U = 80°
Represent the following sentence as an algebraic expression, where "a number" is the
letter x. You do not need to simplify.
The product of 8 and the sum of a number and 5.
The algebraic expression that represents the given sentence is:
8 (x + 5).
What are algebraic expressions?The concept of algebraic expressions is the use of letters or alphabets to represent numbers without providing their precise values. The values a expressed in an unknown number using letters like x, y, and z in the fundamentals of algebra. Here, we refer to these letters as variables. Variables and constants can both be used in an algebraic expression.
What is product of two numbers?In mathematics, a number that is obtained by multiplying two or more distinct variables together is referred to as the product.
Let us suppose the "a number", as x.
The sum of a number and 5 is represented as follows:
(x + 5)
The product of 8 and sum of a number and 5 is represented as follows:
8 (x + 5)
Hence, the algebraic expression that represents the given sentence is:
8 (x + 5)
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the numenator of a fraction i 2 le than it denominator .if 3 i added to both the numertor and denominator the fraction become 3/4 what i the fraction
The fraction is 3/5.
We know that,
Numerator : the top number of a fraction which is upon on fraction bar.
Denominator : the bottom number of a fraction which is below the fraction bar.
Fraction = numerator / denominator
Let the denominator is x.
Given that numerator is 2 less than denominator
So, numerator will be ( x-2 )
So fraction = (x – 2)/x
Given that after adding 3 in numerator and denominator fraction become 3/4
(X-2 + 3) / (x+3) = 3/4(X+1) / (x+3) = ¾4x+4 = 3x + 9X = 5Fraction = (x - 2)/(x) = (5 - 2)/5 = 3/5
Therefore, fraction is 3/5.
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How many ordered pairs of positive integers $(x,y)$ are there such that $x \leq y \leq 1000$ and x+y is even?
There are 49 distinct ordered pairs of positive integers (x, y) such that the least common multiple of x & y is 1,000.
What is least common multiple (LCM)?The least common multiple, lowest common multiple, or smallest common multiple of two integers a and b, usually denoted by lcm, is the smallest positive integer that is divisible by both a and b.
Given that, how many distinct ordered pairs of positive integers (x, y) such that the least common multiple of x & y is 1,000,
1000 = 10³ = 2³×5³
Therefore, we get:
x = 2ᵃ×5ᵇ
y = [tex]2^c[/tex]×[tex]5^d[/tex]
where
0 ≤ a, b, c, d ≤ 3
a or c = 3
b or d = 3
To figure out the number of distinct ordered pairs (x, y), we need to find the distinct number of ordered quadruples (a, b, c, d)
there are.
Case 1 : Exactly 2 of a, b, c, d = 3
a = b = 3, c = 0, 1, 2, d = 0,1,2
a = d=3, b = 0, 1, 2, c = 0,1,2
c = b = 3, a = 0, 1, 2, d = 0, 1, 2
c = d = 3, a=0, 1, 2, b = 0, 1, 2
4(1×1×3×3) = 36
Case 2 : Exactly 3 of a, b, c, d = 3
a = b = c = 3, d = 0, 1, 2
a = b = d = 3, c = 0, 1, 2
a = c = d = 3, b = 0, 1, 2
b = c = d = 3, a = 0, 1, 2
4(1×1×1×3) = 12
Case 3 : Exactly 4 of a, b, c, d = 3
a = b = c = d = 3
1(1×1×1×1) = 1
Total =36+12+1=49
Hence. there are 49 distinct ordered pairs of positive integers (x, y) such that the least common multiple of x & y is 1,000.
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ABCD is a parallelogram. Solve for m
Find the coordinates of the missing endpoint if p is the midpoint of nq. n(2,0), p(5,2)
The coordinates of the missing endpoint if p is the midpoint of nq is (8,4)
In math the term called midpoint is defined as the point on a line that is at an equal distance from either end.
Here we have know the value of the point n(2,0) and p(5,2) and we need to identify the value of q.
Let us consider that (x, y) be the point of q.
Where we all know that the formula of mid point is written as,
p(xₐ, yₐ) = [(x₁+x₂)/2, (y₁ + y₂)/2]
When we apply the values on it, then we get,
=> p(5,2) = [(2+x)/2, (0+y)/2]
When we compare the values, then we get,
=> (2+x)/2 = 5
=> 2 + x = 10
=> x = 8.
Similarly the value of y is calculated as,
=> (0+y)/2 = 2
=> y = 4
Then the coordinate of q is (8,4).
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Each bucket holds 3 2/5 gallons of water. If it takes 6 buckets to fill a tank, how much water does the tank hold? A bucket.
What is angle CBD
A=60
D=80
C=25
Answer:
m∠CBD = 55°
Step-by-step explanation:
Angles BDA and BDC form a linear pair:
⇒ m∠BDA + m∠BDC = 180°
⇒ 80° + m∠BDC = 180°
⇒ m∠BDC = 100°
Interior angles of a triangle sum to 180°:
⇒ m∠CBD + m∠BDC + m∠DCB = 180°
⇒ m∠CBD + 100° + 25° = 180°
⇒ m∠CBD + 125° = 180°
⇒ m∠CBD = 55°
Which measure of central tendency lies at the 50th percentile for any distribution?
O percentile
O median
O mode
O mean
O It cannot be determined from the information given
The central tendency of the measure lies at the 50th percentile would be the median.
Option (B) is correct.
What is the measure of the central tendency?
The measure of central tendency is a statistical term that refers to a single value that summarizes or represents a set of data. There are several measures of central tendency, including the mean, median, mode, and percentile.
The measure of central tendency that lies at the 50th percentile for any distribution is the median. The median is the middle value of a set of data when it is arranged in order of magnitude. Half of the values in the set are above the median and half are below it. This means that the median splits the distribution into two equal parts, and it is not affected by outliers or extremely large or small values
Hence, the central tendency of the measure lies at the 50th percentile would be the median.
Option (B) is correct.
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