a. The values of Q1 = 355, Q2 = 510, Q3 = 910, range = 980 and IQR = 555.
b. The lower bound is not applicable and the upper bound is 1195. There are no outliers.
c. The value at the 70th percentile is approximately 725.6 calories.
a. For the calories of each burger, we will find the Q1, Q2, and Q3, range, and IQR as follows -
Q1 (25th percentile): The median of the lower half of the data set.Arranging the calorie values in order from smallest to largest we get,
250, 300, 410, 430, 445, 460, 510, 540, 670, 710, 840, 980, 1230.
The median of the lower half (from 250 to 540) is the average of the two middle values: (300 + 410) / 2 = 355.
Therefore, Q1 = 355.
Q2 (50th percentile or median): The middle value of the data set.Arranging the calorie values in order from smallest to largest we get,
250, 300, 410, 430, 445, 460, 510, 540, 670, 710, 840, 980, 1230.
The middle value is the median: Q2 = 510.
Q3 (75th percentile): The median of the upper half of the data set.Arranging the calorie values in order from smallest to largest we get,
250, 300, 410, 430, 445, 460, 510, 540, 670, 710, 840, 980, 1230.
The median of the upper half (from 670 to 1230) is the average of the two middle values: (840 + 980) / 2 = 910.
Therefore, Q3 = 910.
Range: The difference between the largest and smallest values.Range = 1230 - 250 = 980.
IQR (Interquartile Range): The difference between Q3 and Q1.IQR = Q3 - Q1 = 910 - 355 = 555.
b. To calculate the outlier boundaries, we need to first calculate the lower and upper limits as follows -
Lower bound: Q1 - 1.5 x IQR
Upper bound: Q3 + 1.5 x IQR
Lower bound: 430 - 1.5 x 310 = -25
Upper bound: 740 + 1.5 x 310 = 1195
Since there are no negative values for the calories of the burgers, the lower bound is not applicable. The upper bound is 1195, which is higher than the highest value in the dataset (1090). Therefore, there are no outliers.
c. To determine the value at the 70th percentile, we need to first order the calorie values from lowest to highest as follows -
250, 300, 410, 430, 445, 460, 510, 540, 670, 710, 740, 840, 980, 1090, 1230
Next, we will calculate the percentile rank of the 70th percentile -
Percentile rank = (70/100) x (n + 1) = 10.6
Since the percentile rank is not a whole number, we need to interpolate between the 10th and 11th values in the ordered list:
10th value: 710
11th value: 740
Using linear interpolation, we get:
Value at the 70th percentile = 710 + 0.6 x (740 - 710) = 725.6
Therefore, the value at the 70th percentile is approximately 725.6 calories.
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The complete question is -
For the calories of each burger:
a. find q1, q2, q3, the range, and the IQR.
b. calculate the outlier boundaries for the data set. are there any outliers? c. determine the value at the 70th percentile.
Joe is thinking of a number. Eleven more than one third of the number is -1. What is the number?
The number Joe is thinking of is -36.
To find the number Joe is thinking of, use algebraic expression and equation.
Let x be the number Joe is thinking of
According to the problem, "Eleven more than one third of the number is -1". We can translate this into an algebraic expression such as:
x/3 + 11 = -1
To find the value of x, we'll isolate it on one side of the equation:
x/3 = -12
Next, we'll multiply both sides of the equation by 3 to cancel out the fraction:
x = -36
Therefore, the number Joe is thinking of is -36.
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What was the final solution?
Responses
Germany's determination to pay off its World War I debts
Germany's determination to pay off its World War I debts
Germany's plan to exterminate all the Jewish people in Europe
Germany's plan to exterminate all the Jewish people in Europe
Europe's strategy for solving the problem of declining resources
Europe's strategy for solving the problem of declining resources
Russia's answer to the problems brought about by famine
Russia's answer to the problems brought about by famine
The correct option regarding the final solution in the Second World War is given as follows:
Germany's plan to exterminate all the Jewish people in Europe.
What was the final solution in Second World War?The final solution in the Second World War was Germany's plan to exterminate all the Jewish people in Europe.
Initially, when Hitler took power in 1933, Jewish people lost their possessions and were sent to concentration camps in following years, initially to work as slaves. However, in 1941, the decision was made to exterminate Europe's Jewish Population, which was called the final solution.
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the surface area of the sphere 156cm^2. find its volume
Answer:
multiply the big number
Step-by-step explanation:
multiply it theres ur answer sub to Lil-Jrplayz for more help
kuta software infinite algebra 2 factoring a sum/difference of cubesFactor each completely.1) x3+ 125 2) a3+ 643) x3 − 644) u3 + 8
u^3 + 8 factors as (u + 2)(u^2 + 2u + 4) is explained by kuta software infinite algebra as
x^3 + 125
To factor this expression, we can use the formula for the difference of cubes:
a^3 + b^3 = (a + b)(a^2 - ab + b^2)
We can set a = x and b = 5:
x^3 + 125 = (x + 5)(x^2 - 5x + 25)
So x^3 + 125 factors as (x + 5)(x^2 - 5x + 25).
a^3 + 64
To factor this expression, we can use the formula for the sum of cubes:
a^3 + b^3 = (a + b)(a^2 + ab + b^2)
We can set a = a and b = 4:
a^3 + 64 = (a + 4)(a^2 + 4a + 16)
So a^3 + 64 factors as (a + 4)(a^2 + 4a + 16).
x^3 - 64
To factor this expression, we can use the formula for the difference of cubes:
a^3 - b^3 = (a - b)(a^2 + ab + b^2)
We can set a = x and b = 4:
x^3 - 64 = (x - 4)(x^2 + 4x + 16)
So x^3 - 64 factors as (x - 4)(x^2 + 4x + 16).
u^3 + 8
To factor this expression, we can use the formula for the sum of cubes:
a^3 + b^3 = (a + b)(a^2 + ab + b^2)
We can set a = u and b = 2:
u^3 + 8 = (u + 2)(u^2 + 2u + 4)
So u^3 + 8 factors as (u + 2)(u^2 + 2u + 4).
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which is the correct form of the partial fraction decomposition for the expression startfraction 2 x minus 5 over x (x 4) endfraction?
The partial fraction decomposition of 2x-5 over x(x-4) is 2/x + 5/x-4. This separates the fraction into two simple fractions with a common denominator.
2x-5 = (2/x) + (5/x-4)
By breaking down the expression into two simpler fractions, we can more easily manipulate the equation and solve for the unknowns. It is an important tool when it comes to solving complex polynomials and equations.
Partial fraction decomposition is a technique used to break down a complex fraction into simpler fractions with a common denominator. This makes the equation easier to manipulate, and can be used to solve polynomials and equations.
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Anwser:
Its B
Explanation
A/x + B/x+4
Find the volume of a cylinder that has a diameter of 14 mm and a height of 8 mm.
Use = 3. 14 and round your answer to the nearest hundredth
The volume of the cylinder with a diameter of 14 mm and a height of 8 mm is approximately 1230.88 mm³.
The volume of a cylinder can be calculated using the formula:
V = πr²h
where r is the radius of the cylinder and h is its height. To find the volume, we first need to find the radius, which is half of the diameter:
r = 14 mm / 2
= 7 mm
Now that we have the radius, we can plug it into the formula along with the height to find the volume:
V = π * (7 mm)² * 8 mm
= 3.14 * 49 * 8 mm³
= 1230.88 mm³
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Solve the system of linear equations by substitution.
y=4x
x+y=-10
By substituting the linear equations, we know that the value of x and y are -2 and -8 respectively.
What are linear equations?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included.
The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."
Ax+By=C is the usual form for two-variable linear equations.
A standard form linear equation is, for instance, 2x+3y=5.
When an equation is given in this format, finding both intercepts is rather simple (x and y).
So, we have the equation:
y=4x ...(1)
x+y=-10 ...(2)
Now, substitute y = 4x in equation (2):
x+y=-10
x+4x=-10
5x = -10
x = -10/5
x = -2
Then, substitute x = -2 in equation (1):
y = 4x
y = 4(-2)
y = -8
Therefore, by substituting the linear equations, we know that the value of x and y are -2 and -8 respectively.
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an expression is given. -2y+3/2x+7/4 which are equivalent to the given expression select each answer
Option D and E are equivalent to the given expression.
How to find equivalent expressionFirst we find the x and y values of the equation -2y+3/2x+7/4.
For example x= 0, substitute:
-2y+3/2x+7/4=0
-2y=-7/4
y=7/8
For example y=0, substitute:
-2y+3/2x+7/4=0
3/2x=-7/4
x=-7/6
Then we look for choices A, B, C, D and E, which one produces x=-7/6 and y=7/8 if for example x=0 and y=0.
And those that have the same value are equations D and E.
What is equivalent equation?Equivalent equations are systems of equations that have the same solutions. Identifying and solving equivalent equations is a valuable skill, not only in algebra class, but also in everyday life.
The simplest example of an equivalent equation doesn't have any variables.
For example, these three equations are equivalent to each other:
3 + 2 = 5
4 + 1 = 5 5 + 0 = 5
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What is the area of this figure? 3 m 3 m 9 m 9 m 6 m square meters 12 m
Answer: figure 1 is 9
figure 2 is 81
figure 3 is 72
= 162
Step-by-step explanation:
Explain how the successive values of a geometric sequence could become infinitesimally small but never be equal to 0. Include an example.
The value of a geometric sequence can not be zero, because for that we have to include 0 as a term in it and that will turn the sequence into zero.
What is geometric sequence?A geometric progression, also known as a geometric sequence, is a sequence of non-zero numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.
In geometric sequences, the terms given by the ratio of every two successive terms is a constant. they can be either negative or positive but not zero, because if any term will be zero it will directly make the common ratio equal to 0, that will make the sequence turning to 0, and it won't be a geometric progression anymore, therefore, the successive values of a geometric sequence could become infinitesimally small but never be equal to 0.
An example of a Geometric sequence is 2, 4, 8, 16, 32, 64, …, where the common ratio is 2.
If suppose 2nd term is 0, then common ratio = 0/2 = 0, that will disturb the pattern and the sequence will not be a GP
Hence, the successive values of a geometric sequence could become infinitesimally small but never be equal to 0.
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Which single basic motion will make these figures coincide
Answer:
Just use reflection, rotation, and translation.
Step-by-step explanation:
Reflection is when something is reflected in an opposite direction.
Rotation is when motion rotates in either a 90 or 180 degree flip.
Lastly is translation in which an object can move up or down.
Simply apply these rules with the purpose of making the objects slide into each other and unite as one or 'coincide'. Hope this helps!
Neil needs to buy a bathroom mirror that is 4 feet wide and 5 feet long. If the mirror sells for $2.00 per square foot, what will the total cost of the mirror be?
Kinetic energy can be found using the formula Ek=12mv2
.
The variable Ek
represents kinetic energy, the variable m
is the mass in pounds (lbs.), and the variable v
is the velocity in feet per second (fts
).
What is a possible unit of measure for kinetic energy and why?
A
The unit of measure is ft2(lb.)s2
because the velocity in the formula is squared.
B
The unit of measure is ft2(lb.)s2
because the velocity in the formula is squared.
C
The unit of measure is ft2(lb.)2s2
because the velocity is multiplied to the mass and then squared.
D
The unit of measure is ft2(lb.)2s2
because the velocity is multiplied to the mass and then squared.
The unit of measure for kinetic energy is ft² lb² / s² because the velocity is multiplied by the mass and then squared. The correct answer would be an option (D).
What is Kinetic energy?Kinetic energy is the energy of motion, which can be seen as a body or subatomic particle moving. Kinetic energy exists in every moving object and particle.
Kinetic energy can be found using the formula Ek = 1/2 mv².
The variable Ek represents kinetic energy, the variable m is the mass in pounds (lbs.), and the variable v is the velocity in feet per second (ft/s).
The unit of measure for kinetic energy is ft² lb² / s² because the velocity is multiplied by the mass and then squared.
The units of measure for mass (lb.), velocity (ft/s), and time (s) are combined to form the unit of measure for kinetic energy.
Thus, the unit of measure for kinetic energy is ft² lb² / s².
Hence, the correct answer would be option (D).
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Factor completely 14bx^2 - 7x^3 - 4b + 2x
A. ) (2b+x)(7x^2+2)
B. ) (2b-x)(7x^2-2)
C. ) (2b+x)(7x^2-2)
D. ) prime
The Factors of the given expression is [tex](2b-x)(7x^{2} -2)[/tex]
The method of grouping, also known as grouping or factoring by grouping, is a technique used in algebra to factor polynomials by grouping terms together into pairs or sets of two or more terms.
The expression [tex]14bx^{2} -7x^{3}-4b+2x[/tex] can be factored by applying the method of grouping:
Make groups
[tex](14bx^{2} -7x^{3}) +(-4b+2x)[/tex]
The greatest common factor (GCF) of two or more numbers is the largest positive integer that divides each of the numbers evenly. In other words, the GCF is the largest number that is a factor of all the numbers.
Now take the Greatest common factor of the above equation:
[tex]7x^{2} (2b-x)-2(2b-x)[/tex]
Now take the common factor [tex](2b-x)[/tex] out:
[tex](2b-x)(7x^{2} -2)[/tex]
The Factors of the given expression [tex]14bx^{2} -7x^{3}-4b+2x[/tex] is [tex](2b-x)(7x^{2} -2)[/tex]
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Write two expressions for the perimeter of the figure.
5x
16
3x
13x
6
Note: The figure is not drawn to scale.
(a) Use all five side lengths.
perimeter =
perimeter = +0+0+0+0
(b) Simplify the expression from part (a).
Attempt: 1 of Unlimit
(a) The perimeter of the figure is 5x + 3x + 6 + 13x + 16.
(b) The simplified expression is 21x + 22.
The solution has been obtained by using algebraic expression.
What is an algebraic expression?
If a mathematical expression contains variables, constants, and algebraic operations, it is referred to as "algebraic" (addition, subtraction, etc.).
a) We know that perimeter of a figure is sum of all the sides.
So,
Perimeter = 5x + 3x + 6 + 13x + 16
b) We got an expression as 5x + 3x + 6 + 13x + 16
On simplifying it by combining the like terms, we get
21x + 22
Hence, the simplified expression is 21x + 22.
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prove 2^a , 2^b , 2^c forms a geometric sequence when a , b , c forms an arithmetic sequence.
Answer: Given that a, b, and c form an arithmetic sequence, so they are equally spaced, meaning the difference between each of them is constant. Let's denote the common difference between a, b, and c as d.
So, we have:
a = b - d
c = b + d
Using these two equations, we can prove that 2^a, 2^b, and 2^c form a geometric sequence.
We have:
2^a = 2^b / 2^d
2^c = 2^b * 2^d
Since the product of two powers of the same base is equivalent to the power of the base with the sum of the exponents, we have:
2^a * 2^c = 2^b * 2^b * 2^d * 2^d = 2^(b+b+d+d) = 2^(2b+2d)
So, we have:
2^a * 2^c = 2^(2b+2d) = 2^(2b) * 2^(2d) = 2^b * 2^b * 2^d * 2^d = 2^b * 2^c
This means that 2^a, 2^b, and 2^c form a geometric sequence, with the common ratio of 2^d.
Step-by-step explanation:
The number of observations will always be the same as the?A sample size. B. number of elements.C. number of variables. D. population size.
The number of observations will always be the same as the sample size. Therefore, the answer is A.
What is permutation ?
In mathematics and statistics, a permutation refers to a way of arranging a set of objects in a particular order. More specifically, a permutation is an arrangement of a set of distinct objects in a specific order. For example, if we have the set {1, 2, 3}, there are six possible permutations: {1, 2, 3}, {1, 3, 2}, {2, 1, 3}, {2, 3, 1}, {3, 1, 2}, and {3, 2, 1}.
In permutations, the order of elements matters, which means that changing the order of any of the elements will result in a different permutation. Permutations are used in many areas of mathematics and statistics, including combinatorics, probability theory, and group theory. They are also used in computer science and cryptography for generating random sequences and encryption keys.
According to given conditions:
The number of observations refers to the number of data points or cases that you have in your dataset. For example, if you're collecting data on the heights of people in a certain population, each person's height measurement would be considered one observation.
A sample size, on the other hand, refers to the number of observations that you have included in your sample from the larger population. For example, if you're taking a random sample of 100 people from a population of 10,000, your sample size would be 100.
The number of elements typically refers to the number of individual items or units that you're measuring or counting. For example, if you're counting the number of cars in a parking lot, the number of elements would be the total number of cars.
The number of variables refers to the number of characteristics or attributes that you're measuring for each observation. For example, if you're collecting data on people's heights, weights, and ages, you would have three variables.
Finally, the population size refers to the total number of individuals or units in the population that you're interested in studying. This may or may not be relevant depending on the type of analysis you're doing. If you're conducting a sample survey, for example, the population size would be important to determine the appropriate sample size.
The number of observations will always be the same as the sample size. Therefore, the answer is A.
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Solve for x. Find the length of angle
S
x-5
N
x-8 M
K
3
4
L
The value of x from the given figure is 10.
Secant secant theorem of a circle.According to the theorem, the product of the measurements of one secant segment and its external secant segment is equal to the product of the measures of the other secant segment and its external secant segment if two secant segments are drawn to a circle from an exterior point.
Applying the rule to the given diagram:
3(3+x-5) = 4(4+x-8)
Simplify
3(x-2) = 4(x-4)
3x - 6 = 4x - 16
3x - 4x = -16 + 6
-x = -10
x = 10
Hence the value of x from the diagram is 10
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Solve for letter x. explain steps if possible
5xsqrt{12x^3}-3x^2sqrt{147x}
The formula for the
number of possible ways to choose r objects
from a set of n objects is
n!/r!(n-r)!
How
many different ways can you choose a group
of 3 students from a group of 8 students?
A. 24
B. 56
C. 120
D. 336
Answer:
B
Step-by-step explanation:
note that n! = n(n - 1)(n - 2) ..... × 3 × 2 × 1
using n = 8 and r = 3 in the combination formula
[tex]\frac{8!}{3!(8-3)!}[/tex]
= [tex]\frac{8(7)(6)(5)(4)(3)(2)(1)}{3(2)(1)5!}[/tex] ← cancel 5! on denominator with 5(4)(3)(2)(1) on numerator
= [tex]\frac{8(7)(6)}{3(2)(1)}[/tex]
= [tex]\frac{56(6)}{6}[/tex] ← cancel 6 on numerator/ denominator
= 56
2x2= is it 4, 5,8 i need help
Answer: 4
Step-by-step explanation:
2 multiplied by 2 is 4. You have 2 of the 2's so it becomes 4.
Answer:4
Step-by-step explanation:
have a good day :)
Lauren spent 1^3/8 hour cleaning the house, 7/8 hour doing the laundry, and 1^5/8 preparing food. How many hours did Lauren spend doing all the work?
Need step by step please.
Lauren spent a total of 10 hours on the duties if he spent 1 3/8 hour cleaning, 7/8 hour doing laundry, and 1 5/8 cooking dinner.
What is fraction?A fraction is a portion of a whole or, more broadly, any number of equal pieces. In ordinary English, a fraction represents the number of pieces of a specific size, such as one-half, eight-fifths, or three-quarters.
Here,
To find the total time Lauren spent on the tasks, we need to add the time she spent cleaning the house, doing the laundry, and preparing food.
Cleaning the house: 1 3/8 hours
Doing the laundry: 7/8 hours
Preparing food: 1 5/8 hours
Adding these three quantities, we get:
1 3/8 + 7/8 + 1 5/8 = 1 3/8 + 7/8 + (2 3/8)
Next, we simplify each fraction by finding a common denominator of 8:
(18/8) + (7/8) + (28/8) = 1 + 7 + 2 = 10
So, Lauren spent a total of 10 hours on the tasks if he spent 1 3/8 hour cleaning the house, 7/8 hour doing the laundry, and 1 5/8 preparing food.
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A meteorologist found that the rainfall in Newberg during the first half of the month was 1/5 of an inch. At the end of the month, she found that the total rainfall for the month was 1/2 of an inch. How much did it rain in the second half of the month?
Answer: Let's call the rainfall in the second half of the month "x".
From the first half of the month, we know that the total rainfall was 1/5 inch.
At the end of the month, we know that the total rainfall was 1/2 inch:
1/5 + x = 1/2
Subtracting 1/5 from both sides:
x = 1/2 - 1/5
x = 3/10
So the rainfall in the second half of the month was 3/10 of an inch.
Step-by-step explanation:
Find the value of y.
Find the value of x.
Answer:
y=4,x= -1
Step-by-step explanation:
2y-3 =y+1
2y-y=1+3
y=4
∆CBD
2x+7=2y-3
2x+7=5
2x= 5-7
2x= -2
x= -1
do you think it would be unusual for an individual to pay a tax of less than $7700? explain. assume the variable is normally distributed. round the answer to at least four decimal places.
The distribution was skewed or had other non-normal characteristics, it would be more difficult to make a definitive statement about the probability of paying less than $7,700 without additional information.
The probability distribution of a variable that is normally distributed is bell-shaped, with the majority of observations centred around the mean and decreasingly more observations as you travel away from the mean. The mean and standard deviation of the variable influence the shape of the distribution.
We may use the characteristics of the normal distribution to calculate the likelihood that a person would pay less than $7700 in taxes if we assume that the variable in question is normally distributed. To perform this computation, we would need to know the variable's mean and standard deviation.
For instance, if we were aware that the average tax paid by individuals was $10,000 with a $2,000 standard deviation, we could use a calculator or table of the standard normal distribution to estimate the likelihood that a person would pay less than $7,700. As $7,700 is more than two standard deviations below the mean, if the distribution were totally normal, we could argue that it would be exceedingly unusual for an individual to pay less than that amount. Without more information, it would be more challenging to make a firm determination regarding the likelihood of paying less than $7,700 if the distribution was skewed or had other non-normal characteristics.
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HELP ASAP WILL GIVE BRAIN DUE IN 20 MIN
Answer:
E
Step-by-step explanation:
need help
schoology]
Answer:
The missing measure is: 71
Step-by-step explanation:
Hope it helps! =D
Correctly classify each relation.
1. {(3, 7), (3, 6), (5, 4), (4, 7)}
2. {(1, 5), (3, 5), (4, 6), (6, 4)}
3. {(2, 3), (4, 2), (4, 6), (5, 8)}
4. {(0, 4), (3, 2), (4, 2), (6, 5)}
Function Or Not a Function?
Answer:
not a functionfunctionnot a functionfunctionExplanation:
A function has each x input go to exactly one and only one y output. This means something like (3,7) and (3,6) leads to "not a function". The input x = 3 leads to multiple outputs.
So all we have to do is look at the x coordinates of the points. If we see any repeats, then the answer is "not a function". Otherwise, we have a function.
Answer:
1.not function
2. function
3.not function
4.function
PLS HELP...... 3. Find h
h =
The sides h of the similar triangle is 2√6 units.
How to find the side of similar triangle?Similar triangles are the triangles that have corresponding sides in proportion to each other and corresponding angles equal to each other.
The triangles are similar. Therefore, the side h can be found using the proportion of the sides.
using proportion,
6 / h = h / 4
cross multiply
6 × 4 = h²
h² = 24
square root both sides of the equation
h = √24
h = 2√6
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