A rectangular prism has a volume of 180 cubic inches. How many 1/3 inch cubes fit inside?

Answers

Answer 1

The no of rectangular prism that fit perfectly in the system is 540.

What is prism?

A rectangular prism is a three-dimensional solid object that has six rectangular faces. It is also known as a rectangular parallelepiped. The rectangular prism is characterized by its length, width, and height, which are also called its dimensions.

According to the given information:

The volume of a rectangular prism can be calculated by multiplying its length, width, and height. The formula for the volume of a rectangular prism is:

Volume = length x width x height

The surface area of a rectangular prism can be calculated by adding the areas of all its faces. The formula for the surface area of a rectangular prism is:

Surface area = 2(length x width) + 2(length x height) + 2(width x height)

Rectangular prisms are commonly used in geometry and in real-world applications, such as in architecture, engineering, and manufacturing. They can be used to represent buildings, boxes, containers, and other objects with rectangular shapes.

Given, a rectangular prism has  a volume of 180 cubic inches.

To find how many 1/3 inch cubes fit inside we have that,

180/(1/3)

540/1

540

Hence the no of cube fit inside is 540.

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Related Questions

In an expression using the logical operator ____, as soon as one of the compound conditions is found to be false, no further conditions are tested and the expression evaluates to false. a. OrElse b. Nor c. AndAlso d. Xor

Answers

In an expression using the logical operator And Also, as soon as one of the compound conditions is found to be false, no further conditions are tested and the expression evaluates to false.

The And Also operator is a short-circuiting operator that is used to combine two or more Boolean expressions. It evaluates the left-hand expression first and then the right-hand expression only if the left-hand expression evaluates to true

. If the left-hand expression evaluates to false, then the right-hand expression is not evaluated at all. This helps to improve the performance of the code by avoiding unnecessary evaluations of expressions that would not change the outcome of the overall condition.

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In an expression using the logical operator And Also , as soon as one of the compound conditions is found to be false, no further conditions are tested and the expression evaluates to false. Therefore option c. And Also correct.

This is because the AndAlso operator employs short-circuit evaluation, meaning it stops evaluating once it encounters

the first false condition since the overall result will definitely be false.

In an expression using AndAlso, if the first condition is false, the entire expression is evaluated as false without testing

any further conditions. This is also known as short-circuit evaluation.

In contrast, the OrElse operator evaluates to true as soon as one of the compound conditions is true, without testing

any further conditions. The Nor and Xor operators are less commonly used and have different behavior.

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12 friends shared 8 small pizzas equally how much pizza did each person get?

Answers

Each person would receive 10.67π square inches of pizza.

If 12 friends shared 8 small pizzas equally, we need to determine the amount of pizza each person would receive. To do this, we can start by calculating the total amount of pizza in all 8 small pizzas.

Assuming that each small pizza has the same size, we can divide the total amount of pizza by the number of people sharing it to get the amount of pizza each person would get.

Let's assume that each small pizza has an area of 10 square inches, for a total area of 80 square inches for 8 small pizzas. Dividing this area equally among 12 people, each person would receive approximately 6.67 square inches of pizza.

Alternatively, if we assume that each small pizza has a diameter of 8 inches, we can use the formula for the area of a circle to calculate the total area of each small pizza:

Area = π x (radius)^2

Area = π x (4 inches)^2

Area = 16π square inches

For 8 small pizzas, the total area would be:

Total area = 8 x 16π = 128π square inches

Dividing this area equally among 12 people, each person would receive approximately 10.67π square inches of pizza.

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Given a circle has a center at (-6, 14) and a diameter of 30, write the equation of the circle

Answers

Answer:

The center of the circle is at (-6, 14), and the radius is 15, so we have this equation:

[tex] {(x + 6)}^{2} + {(y - 14)}^{2} = 225 [/tex]

true or false: in the united states, mortality data have a high degree of completeness. group of answer choices true false

Answers

The given statement "in the united states, mortality data have a high degree of completeness" is False because the United States has a relatively good system for tracking mortality data, but it is not complete.

In fact, there are several challenges that make it difficult to accurately record all deaths in the country. One major challenge is the lack of uniformity in reporting across states and jurisdictions. Different states may use different methods for determining the cause of death, and this can lead to inconsistencies in the data.

Additionally, there may be cases where a death is not recorded at all, either due to errors in reporting or because the death occurred outside of a healthcare setting. This is particularly true for deaths related to drug overdoses, which may not always be correctly identified.

While efforts are being made to improve the completeness of mortality data in the United States, it is still important to recognize that there are limitations to the data that are available.

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pls help!!! make sure to show ur workkk!! i need this ASAP.

Answers

Answer:

a = 2

b = 4

c = 4.47

Step-by-step explanation:

a is 2 units long

b is 4 units tall

To find c, we can use the formula: a^2 + b^2 = c^2

Plug it in:

(2)^2 + (4)^2 = c^2

4 + 16 = c^2

20 = c^2

c = 4.47

Answer:

length a is 2 length b is 4 length c is 4

Step-by-step explanation:

PLEASE HELP. Lesson 15.3 Tangents and Circumscribed Angles
Proof of Circumscribed Angle Theorem
Given: ZAXB is a circumscribed angle of circle C.
Prove: ZAXB and ZACB are supplementary.
Complete the proof.
A
B
C
If ZAXB is a circumscribed angle of circle C, XA and XB are
Select an answer to the circle


Answers

Therefore, angles ZACB and ZAXB are congruent, and since they are complementary to angles ZAO and ZBO, respectively, they must be supplementary.

What is Circumscribed Angle Theorem?

The Circumscribed Angle Theorem states that an angle formed by two intersecting chords in a circle is half the sum of the measures of the intercepted arcs. More formally, if two chords of a circle intersect at point P, then the measure of the angle formed by the chords (let's call it angle ABC) is equal to half the sum of the measures of the arcs intercepted by the angle.

Here,

To prove that ZAXB and ZACB are supplementary, we need to show that the sum of their measures is 180 degrees. Here's the proof:

Given: ZAXB is a circumscribed angle of circle C.

To Prove: ZAXB and ZACB are supplementary.

Proof:

Draw circle C with center O and circumscribed angle ZAXB.

Draw radii OA, OB, and OC to the points of intersection A, B, and C.

Since XA and XB are tangent to circle C at points A and B, respectively, we know that angles OAX and OBX are right angles.

Therefore, angles ZAO and ZBO are complementary to angles ZAC and ZBC, respectively.

By the Inscribed Angle Theorem, we know that angles ZAO and ZBO are congruent to angle ZAXB.

Therefore, angles ZACB and ZAXB are congruent, and since they are complementary to angles ZAO and ZBO, respectively, they must be supplementary.

Thus, we have proven that ZAXB and ZACB are supplementary.

Therefore, the proof is complete.

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Find a congruence transformation that maps triangle RST to triangle UVW.

Answers

A congruence transformation that maps triangle RST to triangle UVW is a reflection along the line y = 1, followed by a translation 2 units right and down by 1 units.

A congruence transformation that maps triangle RST to triangle UVW is a rotation of 180°, followed by a translation 2 units left and down by 5 units.

What is a transformation?

In Mathematics and Geometry, a transformation is the movement of a point from its initial position to a new location. This ultimately implies that, when a geometric figure or object is transformed, all of its points would also be transformed;

What is a reflection?

In Mathematics and Geometry, a reflection can be defined as a type of transformation which moves every point of the geometric figure such as a triangle, by producing a flipped, but mirror image of the geometric figure.

By critically observing the geometric figures, we can reasonably infer and logically deduce that the pre-images underwent a sequence of congruence transformations to produce the images.

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Complete the table using the information given.

Answers

Using the above information, we can calculate the missing figures in the table and this is shown on the table attached.

What is the table about?

For the "Shorts" row: It's given that 42 people were wearing shorts.

Since it's mentioned that twice as many people were wearing closed-toed shoes as open-toed shoes, and 30 people were wearing open-toed shoes, we can deduce that 30 people were also wearing closed-toed shoes.So, the total number of people wearing closed-toed shoes is 30, and the total number of people wearing shorts is also 42, since they are the same group of people.

Therefore, the "Close-Toed Shoes" column in the "Shorts" row is also 42, and the "Total" column is the sum of open-toed and closed-toed shoes, which is 84.

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See text below

30 people surveyed were wearing open-toed shoes.

1/3 of the people with open-toed shoes were wearing

pants.

• 42 people were wearing shorts.

Twice as many people were wearing closed-toed shoes

than open-toed shoes.

Complete the table using the information given.

                   Open-Toed Shoes              Close-Toed Shoes         Total

Shorts                     -------                           ------                               --------

Pants                         ------                           ----------                            ------

Total                          ------                           ----------                            ---------

Find the probability of drawing the given cards from a standard deck of 52 cards with replacement. Leave answers as decimals rounded to 3 decimal places if the decimal does not end.
A ten, then the Ace of hearts.

Answers

Step-by-step explanation:

There are 4 tens in a deck of 52  

    so  4/52   of getting  ten

       then 1 /52 for the ace of hearts

4/52 * 1/52 = 4/ 2704  = 1/676 =  .001  (rounded)  

Q4: The walking distance that is saved by cutting across the lot is?

Answers

The walking distance that is saved by cutting across the lot is 55.

What is a right angle triangle?

A right triangle, also known as a right-angled triangle, is a triangle that has one angle that measures 90° (a right angle). The remaining two angles are acute, or less than 90°

Apply right angle triangle rules;

⇒ 38² = (x+14)² + x²

⇒ 1444 = x² + 196 + 28x + x²

⇒ 2x² + 28x - 1248 = 0

⇒  x = 19 and x = -33

Therefore, the walking distance that is saved by cutting across the lot is:

⇒ x + x + 14

⇒ 19 + 19 + 14

⇒ 52

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Find the number of permutations with of the letters in each word

Answers

The trigonometry functions when calculated are sin(A) = 18/34 and cos(A) = 30/34

Calculating the trigonometry functions

From the question, we have the following parameters that can be used in our computation:

The right triangle

Where we have

Opposite = 18Adjacent = 30Hypotenuse = 34

Using the above as a guide, we have the following:

sin(A) = 18/34

cos(A) = 30/34

Hence, the values are sin(A) = 18/34 and cos(A) = 30/34

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Ket

Question 1

Points A, O, and B, are collinear. Find the measure of ZCOD.

A

O x = 90°

Ox= 103°

0x=77°

Ox=23°

C

50°

O

D

B

1 pts

Answers

The measure of angle ZCOD is 27°.

Since A, O, and B are collinear, angles AOC and COB form a linear pair, which means their sum is 180°. Therefore:

x + 50° = 180°

Solving for x, we get:

x = 130°

Next, we can use the fact that angles AOC and BOA are vertical angles, which means they are congruent. Therefore:

x = 103°

Substituting x with 130°, we get:

130° = 103° + COD

Solving for COD, we get:

COD = 27°

Finally, since angles AOD and COB are alternate interior angles, they are congruent. Therefore:

77° = 50° + ZCOD

Solving for ZCOD, we get:

ZCOD = 27°

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--The complete question is, Given that points A, O, and B are collinear, find the measure of angle ZCOD, where:

Angle AOC is denoted by x and measures 90°

Angle BOA measures 103°

Angle AOD measures 77°

Angle COB measures 50°.

Please note that point O is located between points A and B.--

Timmy is building a model of a building in his town that is 180 meters. He is using a scale of 1.5 cm. = 3.5 meters. How tall will his model be?

Answers

Answer: 77

Step-by-step explanation: You could set up a proportion for this question. 1.5 centimeters = 3.5 meters x centimeters = 180 meters 1.5 x 180 / 3.5 Rounded to the nearest whole number, the answer is 77.

What is the equation of the line 2x+3y+1=0 after it has been reflected across y=-1 and rotated about o(2,3) by 180

Answers

The equation of the line 2x + 3y + 1 = 0 after it has been reflected across y = -1 and rotated about O(2,3) by 180 degrees is -2x + y = 15.

To reflect the line 2x + 3y + 1 = 0 across the line y = -1, we need to subtract twice the y-coordinate of each point on the line from the equation of the line.

This is because the reflection of a point across a line is obtained by reflecting it across the line's perpendicular bisector, which is also the line with the same x-coordinates and twice the distance from the point to the line.

Subtracting twice the y-coordinate, we get:

2x + 3(-2y - 1) + 1 = 0

Simplifying the equation, we get:

2x - 6y - 5 = 0

Now, to rotate the line about the point O(2,3) by 180 degrees, we can use the rotation formula:

x' = 2a - x

y' = 2b - y

where (x,y) are the coordinates of a point on the original line, and (x',y') are the coordinates of the same point after rotation about the point (a,b).

Substituting the coordinates of two points on the line, we get:

(0,-1) → x' = 2(2) - 0 = 4, y' = 2(3) - (-1) = 7

(-1/2,0) → x' = 2(2) - (-1/2) = 4 1/2, y' = 2(3) - 0 = 6

Now, we can use the two points (4,7) and (4 1/2,6) to find the equation of the rotated line using point-slope form:

slope = (6-7) / (4 1/2 - 4) = -2

y - 7 = -2(x - 4)

y = -2x + 15

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can I get some help on this really fast?

Answers

x² - 6x - 7 = 0: Vertex is a minimum.-x² + x = -17 = 0: Vertex is a maximum.9x² = 1. Vertex is a minimum.

How to classify the vertex of a quadratic function?

The standard definition of a quadratic function is given as follows:

y = ax² + bx + c.

The vertex is classified as a maximum or minimum depending on the term a, which multiplies x², as follows:

If a > 0, the vertex is a minimum.If a < 0,  the vertex is a maximum.

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In the figure, the curve y=x² + 7x + 6 cuts the
x-axis at two points A and B, and the y-axis at the
point C. Calculate the coordinates of A, B and C.
A
y
B
O
C
-X

Answers

Answer:

A(-6,0) B(-1,0) C(0,6)

Step-by-step explanation:

are there any modern tools that help to solve this problem that either provide a work around, or rely heavily upon the pythagorean theorem?

Answers

The Pythagorean theorem to make problem-solving more accessible and efficient.

By incorporating technology into mathematical problem-solving, these tools help students and professionals alike in understanding and applying the theorem in various scenarios.

The Pythagorean theorem or provide a workaround. Here are a few tools that you might find useful:
GeoGebra:

GeoGebra is a dynamic geometry software that allows users to create, manipulate, and visualize geometric constructions.

It heavily relies on the Pythagorean theorem to explore and prove various geometric relationships.

GeoGebra can be accessed online or through its app, making it convenient and easy to use.
Desmos Graphing Calculator:

Desmos is an advanced graphing calculator that helps visualize and solve problems involving the Pythagorean theorem.

By plotting points, lines, and curves, you can explore the theorem's applications in various contexts, such as distances, vectors, and trigonometry.
Microsoft Math Solver:

This app allows you to input a math problem and receive step-by-step solutions.

It can solve problems related to the Pythagorean theorem, including finding side lengths and proving whether a triangle is a right triangle.
Wolfram Alpha:

Wolfram Alpha is a computational knowledge engine that can process queries and provide answers.

It is particularly helpful for solving problems based on the Pythagorean theorem. \

A problem, and Wolfram Alpha will provide a step-by-step solution, helping you understand the process better.

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There are indeed modern tools that help solve problems related to the Pythagorean theorem. Some of these tools include computer software, smartphone applications, and online calculators. These tools often provide a workaround or rely heavily on the Pythagorean theorem to solve various geometric and trigonometric problems, such as finding the length of a side in a right-angled triangle or determining the distance between two points in a coordinate system. By using these tools, users can easily and accurately apply the Pythagorean theorem to solve real-life problems or mathematical challenges.

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2㏒_[6](2)+3㏒_[6](3)+㏒_[6](12)

Answers

Answer: 4

Step-by-step explanation:

Given:

   [tex]2log_62+3log_63+log_612[/tex]

Rewrite using the power property:

   [tex]log_62^2+log_63^3+log_612[/tex]

Rewrite by adding the logarithms together (multiplying) since they all have a common base of 6:

   [tex]log_6(2^2*3^3*12)[/tex]

Simplify by multiplying:

   [tex]log_6(4*27*12)[/tex]

   [tex]log_6(1,296)[/tex]

Evaluate the logarithm:

   [tex]log_6(1,296)[/tex]

   4

let p(n) be the statement that 1^3 +2^3+ 3^3 ... +n^3 = (n(n 1)2)^2 for the positive integer n. we will have completed the basis step of the proof if we show that

Answers

Since the statement p(n) holds true for n = 1, we have successfully completed the basic step of the proof.

To complete the basic step of the proof, we need to show that the statement p(n) is true for the smallest positive integer n, which is 1.

Let's plug n = 1 into the statement p(n):[tex]1^3 = (\frac{1(1 + 1))}{2})^2[/tex]

Simplifying the equation, we get:
[tex]1^3 = (1(2)/2)^2\\1^3 = (1^2)^2\\1 = 1[/tex]

Since the statement p(n) holds true for n = 1, we have successfully completed the basic step of the proof.

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The statement is true for n=1, and we have completed the basis step of the proof.

To complete the basis step of the proof for the statement p(n), we need to show that it is true for the smallest positive

integer n, which is 1.

Our statement is:

[tex]1^3 + 2^3 + 3^3 + ... + n^3 = (n(n+1)/2)^2.[/tex]

For the basis step, let n = 1:

Left side: [tex]1^3 = 1[/tex]

Right side:[tex](1(1+1)/2)^2 = (1(2)/2)^2 = (1)^2 = 1[/tex]

Since the left side and the right side are equal, we have successfully completed the basis step of the proof for the statement p(n).

Therefore, the statement is true for n=1, and we have completed the basis step of the proof.

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the ricardo household used w cubic feet of water during a summer month express the number of ccf of water they used algebraically

Answers

Ricardo used w/100 Ccf of water.

Given that, Ricardo household used w cubic feet of water in a month of summers,

we need to express the number of ccf of water they used algebraically,

Ccf = A CCF is a unit of measurement of volume.

The CCF is used to measure gas consumption, used in the billing of natural gas and water delivered to households.

1 CCF = 100 cubic feet

CCF means Centum Cubic Feet.

1 cubic feet = 0.01 Ccf

Therefore,

w cubic feet = 0.01 × w Ccf

= w / 100

Hence, Ricardo used w/100 Ccf of water.

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I NEED HELP ON THIS ASAP!! PLEASE IT'S DUE TODAY!

Answers

The exponential function to represent the number of new participants of the challenge as a function of the day number, is f(x) = 12 × 4ˣ.

How to find the exponential function ?

Let f(x) be the number of new participants on day x.

On day 0 (today), Aliyah, Kim, and Reese are the only participants. They each send selfies to 4 friends, so there will be 3 x 4 = 12 new participants on day 1.

From day 1 onwards, each new participant will send selfies to 4 friends. Therefore, the number of new participants will quadruple each day. This gives us an exponential growth function:

f(x) = 12 × 4ˣ

where f(x) represents the number of new participants on day x.

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Make x the subject of ​

Answers

Answer:

[tex]x=[/tex] ±[tex]\sqrt{10wy} - t[/tex]

Step-by-step explanation:

[tex](x+t)^2=10wy[/tex]

[tex]x+t=[/tex] ±[tex]\sqrt{10wy}[/tex]

[tex]x=[/tex] ±[tex]\sqrt{10wy} - t[/tex]

[tex]-\frac{7}{8} - - \frac{5}{6} +\frac{1}{3}[/tex]

Answers

Answer:  7/24 ≅ 0.2916667

Step-by-step explanation: QUICK MATH

Which Riemann sum represents the illustration shown?

The highlighted answer was just a misclick, i dont know if its the answer or not

Answers

The Riemann sum that represents the illustration on the graph is the second option as i goes from 1 to 4:

[tex]1∑2 {(xᵢ)}^{2} [/tex]

What is the Riemann sum

The Riemann sum is a mathematical concept used to approximate the area under a curve. It is named after the German mathematician Bernhard Riemann.

The idea behind the Riemann sum is to divide the area under the curve into a series of rectangles, where the height of each rectangle is determined by the function being integrated, and the width of each rectangle is determined by the size of the intervals used to divide the domain of the function. The area of each rectangle is then calculated and added together to get an approximation of the total area under the curve.

The Riemann sum is written in the following form:

[tex]∑f(xᵢ)Δxᵢ[/tex]

where f(xᵢ) is the value of the function at the ith point in the interval, Δxᵢ is the width of the ith rectangle, and the sum is taken over all i intervals.

Thus, the Riemann sum that represents the illustration on the graph as i goes from 1 to 4 is:

[tex]1∑2 {(xᵢ)}^{2} [/tex]

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.


Which equation is a step in solving the equation |5 − 3x| + 2 = 19?

A.
5 − 3x = -17
B.
|5 − 3x| = -17
C.
5 + 3x = -17
D.
|5 + 3x| = 17

Answers

Answer:

Step-by-step explanation:

The absolute value (or modulus) | 5 - 3x | of a real number  5 - 3x is the non-negative value of 5 - 3x without regard to its sign.

| 5 - 3x| + 2 = 19

| 5 + 3x | = 19 - 2

| 5 + 3x | = 17

Ans: D

In circle O, is a diameter and the measure of arc is 120. What is the measure of XOB

Answers

Therefore, the measure of angle XOB is 60 degrees.

What is a circle's diameter? Give an example.

The radius is the distance around a circle from its centre to its edge. For instance, if the circle's radius is 7 cm, its diameter will be 7 x 2, or 14 cm. You can find the diameter of a circle if you know its circumference and divide it by a certain number.

Since O is the circle's center, the inscribed angle theorem states that the length of the arc XOY is twice the length of the angle XOB.

We know that the measure of the arc XOY is 120, so:

2 * measure of angle XOB = measure of arc XOY

2 * measure of angle XOB = 120

measure of angle XOB = 60

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*MATH* PLS HELP! THE PROBLEM IS IN THE IMAGE!

(PLEASE show your work or explain how you got that answer)

Answers

The scale factor that takes triangle C to triangle D is 3/10.

What is scale factor?

Scale factor is a number by which the size a geometrical figure or shape can be changed with respect to its original size.

To find the scale factor that takes triangle C to triangle D, we use the formula below

Formula:

S.F = Length of triangle D/Corresponding Length of triangle C

Where:

S.F = Scale factor

From the diagram in the question,

Given:

Hypotenus of triangle D = 3.36Hypotenus of triangle C = 11.2

Substitute these values into equation 1

S.F = 3.36/11.2S.F = 0.3 = 3/10

Hence, the scale factor is 3/10.

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A 30 pack of copy paper cost $48.30 a 32 pack cost $49.60 which is the better buy (help me explain it)

Answers

Answer:

Step-by-step explanation:

the 32 pack because it costs just slightly more

The box plot represents the number of tickets sold for a school dance.
A horizontal line labeled Number of Tickets sold that starts at 8, with tick marks every one unit up to 30. The graph is titled Tickets Sold for A Dance. The box extends from 17 to 21 on the number line. A line in the box is at 19. The lines outside the box end at 10 and 27.

Which of the following is the appropriate measure of center for the data, and what is its value?

The mean is the best measure of center, and it equals 19.
The median is the best measure of center, and it equals 4.
The median is the best measure of center, and it equals 19.
The mean is the best measure of center, and it equals 4.

Answers

The optimal measure of variability is the IQR, which equals 4. The proper measure of variability for the data is C.

How is IQR the best measure of variability?

The difference among the third and the first quartile is defined by the interquartile range. The entire series is divided into four equally sized pieces by the partitioned values referred to as quartiles. Three quartiles are present.

The spread of the middle 50% of the data, which is less susceptible to outliers than the range, is measured by the interquartile range (IQR), which is the best measure of variability for these data.

The IQR is calculated by deducting the third quartile ([tex]Q_3[/tex]) from the first quartile ([tex]Q_1[/tex]). We can see from the box plot that [tex]Q_1[/tex] is roughly

17 and [tex]Q_3[/tex] is roughly 21.

Therefore,

[tex]IQR=Q_3-Q_1\\\\IQR=21-17\\\\IQR=4[/tex]

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Michael drove to the mountains last weekend. There was heavy traffic on the way there at the trip took six hours. When Michael drove home there was no traffic and the trip only took four hours. If his average rate was 22 mph faster on the trip home how far away does Michael live from the mountains?

Answers

If his average rate was 22 mph faster on the trip home, then Michael lives 132 miles away from the mountains.

Let's assume that the distance from Michael's home to the mountains is "d" miles. We can now use the formula for average rate to set up two equations, one for the trip to the mountains and one for the trip back home.

For the trip to the mountains, we have:

d = Average Rate (on the way to the mountains) x 6 hours

For the trip back home, we have:

d = Average Rate (on the way back home) x 4 hours

We are also given that Michael's average rate on the trip back home was 22 mph faster than his average rate on the trip to the mountains. We can represent this as:

Average Rate (on the way back home) = Average Rate (on the way to the mountains) + 22 mph

First, we can rearrange the equation for the trip to the mountains to solve for the average rate on the way to the mountains:

Average Rate (on the way to the mountains) = d / 6 hours

Substituting this into the equation for the trip back home, we get:

d = (d / 6) x 4 + (d / 6 + 22) x 4

Simplifying this equation, we get:

d = (2d / 3) + (d / 3 + 11) x 4

d = (2d / 3) + (4d / 3 + 44)

Multiplying through by 3, we get:

3d = 2d + 4d + 132

Simplifying this equation, we get:

d = 132 miles

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