First you'll construct a three-dimensional solid out of some cardboard, following the instructions on the study sheet.



Then you'll compute the volume of your solid and answer a few questions about it. This isn't a thought experiment; you really do need to make this model. The point isn't just to learn a formula; it's to get a feeling for solids and volume. The word "feeling" here means real, physical, sense-of-touch, feeling. You're about to enter the three-dimensional world, and you'll need your senses to understand what you're doing.



Finally, you'll post answers to all the following questions:



Describe as best you can what your solid looks like. What cross sections did you use? What familiar solids does it remind you of?


Explain your method for calculating its volume. Would you have computed the same volume if you'd arranged your cross-sections differently? Is that what you'd expect to happen?


Explain your method for calculating its volume. Would you have computed the same volume if you'd arranged your cross-sections differently? Is that what you'd expect to happen?


What did you learn about volume from this experiment?

Answers

Answer 1

The experiment provides students with the opportunity to comprehend solids and volumes visually, physically, and mathematically.

This activity aims at enabling the student to gain a better understanding of solids and volumes by constructing a three-dimensional solid out of some cardboard, calculating its volume, and answering a few questions about it. The physical model built gives students the ability to feel the object in question and examine it from all sides to come to an understanding of the object's volume. Students need their senses to understand what they're doing as they enter the 3D world, as "feeling" here means real, physical, and sense-of-touch feeling.

Students will construct a solid with six squares of the same size. This solid can be described as a rectangular cube or a hexahedron. The square faces of the cube are oriented parallel to the ground, giving it a rectangular appearance. The cross-sections used were square-shaped. The solid made from cardboard with six square faces that are congruent to one another can be compared to a rectangular box. The volume of a cube is V=a^3, where a is the length of one side of the cube, so the volume of the cube can be calculated by finding the product of the length, width, and height of the box.

The cardboard cube's volume can be calculated by multiplying the length, width, and height of the box, which should be equal since all faces are squares of the same size.Would you have computed the same volume if you'd arranged your cross-sections differently? Is that what you'd expect to happen? The volume of the object would remain constant no matter how the cross-sections were arranged. As long as the box's length, width, and height remain the same, the volume of the object will remain constant.

What did you learn about volume from this experiment?This activity provides an opportunity for students to learn and understand the concept of volume. Students can learn about the relationship between an object's volume and its shape through constructing and calculating the volume of the cardboard solid. They will learn that the volume of a 3D shape refers to the space inside of the object.

They will learn to compute volume as the product of length, width, and height, and that the volume of an object remains constant no matter how the cross-sections are arranged. The experiment provides students with the opportunity to comprehend solids and volumes visually, physically, and mathematically.

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Related Questions

What operation would you use to solve 10=6y

Answers

The operation you would use to solve [tex]6y=10[/tex] is division because we want to get the variable by itself. We use division because it' is the inverse of multiplication. So to solve [tex]6y=10[/tex], I would be dividing.

[tex]6y=10[/tex]

Divide both sides by 6(get the variable by itself):

[tex]\dfrac{6y}{6} =\dfrac{10}{6}[/tex]

[tex]=1.666667[/tex]

Standardized tests for certain subjects, given to high
school students, are scored on a scale of 1 to 5. Let X
represent the score on a randomly selected exam. The
distribution of scores for one subject's standardized
test is given in the table.
Score
Probability
Mark this and return

Answers

For the given values the probability less than 3 equals 0.38.

What is meant by Probability?


The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

It is predicated on the likelihood that something will occur. The justification for probability serves as the basic foundation for theoretical probability. For instance, the theoretical chance of receiving a head while tossing a coin is 12.

Given,

the probability of different scores

Probability of score less than 3 equals

= P(score 1) + P(score 2)

= 0.18 + 0.20

= 0.38

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What is 7 with an exponent of 4?

Answers

7 with an exponent 4 is 2401. It can be expressed as,

          [tex]7^{4}[/tex] = 7. 7. 7. 7 = 2401

In the exponent form, two terms frequently in exponents are base and powers. Powers are mathematical expressions in the form [tex]x^{n}[/tex] , where x is the base and n is the exponent. Powers represent repeated multiplication, where the base is the number or variable that is multiplied repeatedly, and the exponent indicates how many times to multiply the base by itself.

We can write it in exponent form as [tex]7^{4}[/tex], where 7 is the base and 4 is the power. Power should always be written on top of the base.

It means 7 is multiplied 4 times. So, 7 × 7 × 7 × 7 = 2401

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Which set of numbers can represent the side lengths in inches of an acute triangle ?a. 4, 5, 7b. 5, 7, 8,c. 6, 7, 10d. 7, 9, 12

Answers

5 , 7 , 8 represent the side of acute angled triangle.

The correct answer is set B.

Now, According to the question:

We use the following result:

When given 3 triangle sides then to determine if the triangle is acute angled , right angled or obtuse angled.

First find Square all 3 sides, then Sum the squares of the 2 shortest sides and then Compare the sum to the square of the last side.

if sum > Square of last side ⇒ it is Acute Triangle

if sum = Square of last side ⇒ it is Right Triangle

if sum < Square of last side ⇒ it is Obtuse Triangle  

a). 4  , 5 , 7

[tex]4^2 = 16 , 5^2 = 25 , 7^2 = 49[/tex]

16 + 25 = 41

∵ 41 < 49

⇒ It is an Obtuse Triangle.

b). 5 , 7 , 8

[tex]5^2 = 25 , 7^2 = 49 , 8^2 = 64[/tex]

25 + 49 = 74

∵ 74 > 64

⇒ It is an acute Triangle.

c). 6 , 7 , 10

[tex]6^2 = 36 , 7^2 = 49 , 10^2 = 100[/tex]

36 + 49 = 85

∵ 85 < 100

⇒ It is an Obtuse Triangle.

d). 7 , 9 , 12

[tex]7^2 = 49 , 9^2 = 81 , 12^2 = 144[/tex]

49 + 81 = 130

∵ 130 < 144

⇒ It is an Obtuse Triangle.

Therefore,5 , 7 , 8 represent the side of acute angled triangle.

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Find the volume of a pyramid with a square base, where the side length of the base is 16. 7\text{ in}16. 7 in and the height of the pyramid is 18. 5\text{ in}18. 5 in. Round your answer to the nearest tenth of a cubic inch.

Answers

A pyramid with a square base has a volume of 1682.64 cubic meters.

What is perimeter?

A perimeter is a closed route that covers, surrounds, or outlines a two-dimensional form or length. The circumference of a circle or an ellipse is its perimeter. There are various practical applications for calculating the perimeter. The perimeter of a shape is the distance around its edge. A shape's perimeter is always computed by summing the lengths of each of its sides. The perimeter of a thing is the distance surrounding it. Your house, for example, has a fenced-in yard. The perimeter of the barrier is its length.

Here,

side=16.7 m

volume=1/3*16.7²*18.1

=1/3*5047.909

=1682.64 m³

The volume of a pyramid with a square base is 1682.64 m³.

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Which of the following graphs does NOT describe y as a function of x?

Answers

Answer:

The x value of a point where a vertical line intersects a function represents the input for that output y value. If we can draw any horizontal line that intersects a graph more than once, then the graph does not represent a function because that y value has more than one input.

Step-by-step explanation:

y = 2х-4
6x-3y = 12 (Needs [x,y] solution)

Answers

Answer:

Can't be answered, as written.

Step-by-step explanation:

Please check the equations.  As written, they are the same:

y=2x-4 and 6x-3y=12

The second, 6x-3y=12, can be rewritten:

-3y = -6x + 12

y = 2x - 4   is the same as the first equation.

========

I'll do an example based on a different first equation.  Let's try:

y = 4x-4 and 6x-3y=12

There are two equations and 2 unknowns.  We can solve this in either of two ways:  Mathematically and Graphically.  Let's try both.

Mathematically.

Pick either equation and isolate one of the variables (x or y)

I'll chose the first, since the variable y is already isolated.  (the efficient approach)

y = 4x-4

Take the second equation and use the definition of y provided by the first equation in place of y is the second:

6x-3y = 12

6x-3(4x-4) = 12  [Substituted the value of y given in the first equation]

6x - 12x + 12 = 12

-6x=0

  x= 0

Use x = 0 in either equation to find y:

y = 4x-4

y=4*(0)-4

y = -4

The solution (where the lines intersect) is (0,-4)

We can also solve this graphically.  

Plot the two lines and look for their intersection.  The attached graph shows that to be (0,-4).

This matrix represents the length and width of a rectangle: matrix one applying a scale factor means multiplying the length and width by the same factor to produce a similar rectangle. Use matrix multiplication to double the length and width of rectangle: matrix two a = b =.

Answers

So on solving the provided question we can say that -  the length is 4.5 times the area Area of rectangle = A = x X 4.5x; x = 5

What is rectangle?

A rectangle in Euclidean plane geometry is a quadrilateral with four right angles. You might also describe it as follows: a quadrilateral that is equiangular, which indicates that all of its angles are equal. The parallelogram might also have a straight angle. Squares are rectangles with four equally sized sides. A quadrilateral of the shape of a rectangle has four 90-degree vertices and equal parallel sides. As a result, it is sometimes referred to as an equirectangular rectangle. Because its opposite sides are equal and parallel, a rectangle is also known as a parallelogram.

here,

the length is 4.5 times the area

let length = x

breadth = 4.5 x

Aare of rectangle = A = x X 4.5x

100 = 4x^2

x = 5

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Which point is in the solution set of the given system of inequalities?x+y≥24x+y≥-1A-(2, 0)B-(0, 2)C-(0, 3)D-(0, –1)

Answers

C) (0,3) is only solution set of the given system of inequality.

To solve the system of inequalities x + y ≥ 2 and 4x + y ≥ -1 , we can start by isolating the variables on one side of each inequality and then finding the intersection of the solutions.

given:

x+y ≥2     ----(i)

4x+y ≥-1    ----(ii)

subtracting (i) from (ii) we get

3x ≥ -3

=> x ≥ -1

now y ≥ 2- x

=> y ≥ 2 -(-1)

=> y ≥ 3

So, the solution set for the given system of inequalities is the set of all ordered pairs (x, y) such that x ≥ -1 and y ≥ 3.

and only option C(0,3) satisfies this equation.

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Can a triangle be formed with side lengths of 3/4 7?

Answers

Answer:

NO

Step-by-step explanation:

Assuming the correct question is "Can a triangle be formed with side lengths of 3, 4 and 7?"

The sum of the length of any two sides of a triangle is greater than the length of the third side

3 + 4 = 7

so your answer is NO

I don't know what to do please help

Answers

Answer:

f(-4) = -20

f(1) = 5

f(2) = 10

f(3) = 15

f(6) = 30

Step-by-step explanation:

Since the equation is f(x) = 5x, you will have to substitute the x-values into the equation to find out what f(x) equals for each one.
For example, for x = -4, f(-4) would equal -20 since 5 * -4 = -20.
The rest would be:
f(1) = 5 * 1 = 5

f(2) = 5 * 2 = 10

f(3) = 5 * 3 = 15

f(6) = 5 * 6 = 30

Hope this helps!

How do you identify the factors of the terms of an expression?

Answers

A single mathematical phrase is referred to as a term. It might be a single number (positive or negative), a single variable (a letter), or a combination of variables multiplied but never added or subtracted. A factor is a number that divides another number by itself and leaves no residue.

What is algebraic expression?

An expression, also known as an algebraic expression, is a mathematical statement made up of numbers, variables, and an arithmetic operation between them. For example, 4m + 5 is an expression in which the words 4m and 5 are separated by the arithmetic sign + and m is the variable of the provided expression.

Here,

A term refers to a single mathematical phrase. It might be a single integer (positive or negative), a single variable (a letter), or a mixture of variables that have been multiplied but never added or subtracted. A factor is a number that divides another number by itself with no remainder.

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Jame i reading a book that i 1400 page he will read the ame number of page each day if he read the book in even day how many page will he read each day

Answers

He will read 700 pages each day.He must be committed to reading this amount of pages each day in order to finish the book in two days.

1. There are 1400 pages in the book.

2. The book must be read in even days.

3. To find the number of pages read each day, divide 1400 by 2 (since it must be read in two days).

4. The answer is 700 pages read each day.

The book contains 1400 pages and must be read in two days. To find the answer, the number of pages must be divided by two. This means that each day, he must read 700 pages. This is the same amount each day, so he will read the same amount of pages for each day he reads it. He will have to read for two days in order to finish the book and will read 700 pages for each day. He must be committed to reading this amount of pages each day in order to finish the book in two days.

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5) Kim and Matt each improved their yards by planting grass sod and ornamental grass. They
bought their supplies from the same store. Kim spent $32 on 4 ft² of grass sod and 4 bunches of
ornamental grass. Matt spent $29 on 8 ft² of grass sod and 1 bunch of ornamental grass. Find the
cost of one ft² of grass sod and the cost of one bunch of ornamental grass.

Answers

Therefore , the solution to the given problem of equation comes out to be $12 for a geranium and $11 for a square foot of grass.

Explain the equation.

When connecting two statements, a mathematical equation uses its equal sign (=) to denote equivalence. An equation in algebra is a claim that establishes the comparability of two equations. For instance, the formula 5x + 5 = 14 establishes a link between the two integers. The spaces seen between phrases with either front of a letter are used to form a mathematical connection. The lone variable so the only outcome are frequently the symbol. For instance, 8x - 4 = 2.

Here,

To start, you should underline and group pertinent information. Sort the products according to the individual who purchased them. We can give each of the two purchased things a constant or letter as there are only two of them:

Kim

5 feet by 2 feet (X for short) of grass

10 geraniums, designated as "Y" geraniums; total cost: $175

Matt

9 ft 2 of grass (let's call it grass X).

Four geraniums, designated as Y.

$147 in total

Now that the data has been split, you may create two equations: one for Matt and one for Kim.

Kim

5x + 10y = $175

Matt 9x plus 4y = $147

Observe how the numbers remained constant, but I eliminated the units and substituted X or Y depends on just what we assigned. We can start solving now.

I'll take the x out of Kim's equation. the following steps:

1) 5x + 10y = $175 Rewriting the equation

2) If you'd want to perform y first, 5x = $175 - 10y (again, you can still do y first as we're trying to isolate x). That's exactly how I did it.)

3) (5x)÷5 = ($175 - 10y)÷5 (divide both aspects of the equation by 5) 

4) 5x + 10y = $175

=>5x + 10($12) = $175 

5x + 10($12) = $175  

Add the value of y = $12 to Kim's equation to get 5x + $120 = $175.

5) 5x = $175 - $120

=> 5x = $55

=>  x = $11

x = $11

Therefore , the solution to the given problem of equation comes out to be $12 for a geranium and $11 for a square foot of grass.

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expression equivalent to 11(x - y)

Answers

Answer: 11 x - 11 y

Step-by-step explanation: 11 (x - y) 11 x - 11 y

What is the area of the triangle?
5 inches
15 in 2
24 in 2
12 in 2
16 in 2
4 inches
6 inches
5 inches

Answers

The area of the triangle is 12 in². Option C is the correct option.

What is a triangle?

A triangle is a three-edged polygon with three vertices. It is a fundamental shape in geometry. Triangle ABC denotes a triangle with vertices A, B, and C. In Euclidean geometry, any three non-collinear points define a unique triangle and, by extension, a unique plane.

The base of the triangle is 6 inches.

The height of the triangle is 4 inches.

The area of a triangle is half of the product of the base and height.

The area of the given triangle is

1/2 × 6×4

= 3×4

=12 in²

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3. The outside temperature decreases
by 7°F in 3 hours.
Part A
How would you represent the
temperature change as a unit rate?
Express your answer as an integer.
poir
poi
Part B
If the temperature continues to
decrease at this rate, what will be
the change in temperature after 5
hours?

Answers

Answer:

Part A: 2

Part B: 10° F

Step-by-step explanation:

Part A

The rate of change is calculated by dividing the difference in temperature by the time.

rate of change = (7°F)/(3 1/2 hours)

rate of change = 7/3.5

rate of change = 2

Answer: 2

Part B

The rate of change tells us that each hour that passes, the temperature decreases by 2° F.

In 5 hours, 5 × 2 = 10, so the change in temperature will be 10° F.

Answer: 10° F

Help with part A and part B Please! ASAP

Answers

A: you're finding the area where he needs carpet so you do 30x20 and 10x10 and then add those together B: you're seeing how much it would cost to carpet the bedroom so you take the answer from problem A and multiply it by 3

Please help me with these fractions!!

Answers

Answer: b = 2 19/30  c = 3 13/30

Step-by-step explanation:

1 4/5 + 5/6

= 1 49/30

= 2 19/30

2 1/10 + 1 2/3

= 3 13/30

Answer:

b)

[tex]2 \times \frac{19}{30} [/tex]

c)

[tex]3 \times \frac{23}{30} [/tex]

Step-by-step explanation:

b)

x - 5/6 = 1 × 4/5

x - 5/6 = 9/5

x = 5/6 + 9/5

x = (25+54)/30

x = 79/30 (or 2×19/30)

c)

x - 2 × 1/10 = 1 × 2/3

x - 21/10 = 5/3

x = 21/10 + 5/3

x = (63+50)/30

x = 113/30 (or 3×23/30)

Solve tan² (0) = 1 on the interval [0, π).
The answers are A and B where 0 < A A =
B=

Answers

After solving tan² (0) = 1 on the interval [0, π), The answers are A and B where 0 < A, A = 22 and B = 4.

What is interval in graph?

A set of intervals on the real line are used to create an interval graph, which is an undirected graph in graph theory. Each interval has its own vertex, and there is an edge between vertices where its intervals intersect. It is the graph created by intersecting the intervals.

Chordal and perfect graphs both exist as interval graphs. In these graphs, an optimal graph colouring or maximum clique can be found in linear time, and they are recognisable. The interval graphs comprise all proper interval graphs, which are defined from a set of unit intervals in the same manner.

[tex]$\tan x-1=0 \rightarrow \tan x=\pm 1$[/tex]

Trig table give [tex]$\tan x=1=\tan \left(\frac{\pi}{4}\right)$[/tex]

Trig unit circle gives another arc that has same tan value:

[tex]$x=\left(\frac{\pi}{4}+\pi\right)=\left(\frac{5 \pi}{4}\right)$[/tex]

and

[tex]$ tan \ x=-1=\tan \left(\frac{3 \pi}{4}\right)$[/tex]

Trig circle gives another angle: [tex]$x=\frac{3 p}{4}+\pi=\frac{7 \pi}{4}$[/tex]

In the interval [tex]$(0, \pi)[/tex]   there are 4 answers: [tex]$\frac{\pi}{4} ; \frac{3 \pi}{4} ; \frac{5 \pi}{4} ; \text{and} \frac{7 \pi}{4}$[/tex]

7(22/7)/4

= 22/4

A = 22

B = 4

Thus, After solving tan² (0) = 1 on the interval [0, π), The answers are A and B where 0 < A, A = 22 and B = 4.

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How do you find the mirror image of a curve with respect to a line?

Answers

Finding the mirror image of a curve with respect to a line is a relatively straightforward task.

What is mirror image?

Mirror image is an exact reflection of an object or an image as seen in a mirror. It is an image that is flipped from left to right, with the left side of the image becoming the right side and vice versa. This type of reflection is also known as a lateral inversion. In art and photography, mirror images are often used for aesthetic purposes and to create symmetry.

Firstly, you need to determine the line of reflection. This can be identified by using the angle bisector of the two lines that form the curve. Once you have identified the line of reflection, draw a line perpendicular to it. This is the axis of symmetry.

Next, draw a line parallel to the axis of symmetry. This line will serve as the mirror line. Now, you can start plotting the points of the curve with respect to the mirror line. To do this, take the midpoint of the curve and reflect it across the mirror line. Then, take the points on either side of the midpoint, and reflect them across the mirror line as well. Repeat this process for all the points on the curve.

Finally, connect the reflected points to form the mirror image of the curve. This will give you the same curve, just flipped across the mirror line. It is important to note that the mirror image of the curve will be a mirror reflection of its original shape, but its orientation may be different.

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A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 447 gram setting. Based on a 24 bag sample where the mean is 444 grams and the standard deviation is 10, is there sufficient evidence at the 0.1 level that the bags are underfilled or overfilled? Assume the population distribution is approximately normal.
Step 1 of 5: State the null and alternative hypotheses.

Answers

The null hypothesis is H0: u = 447, the alternative hypothesis is given as: H1: u ≠ 447

What is a null and alternative hypothesis?

A null hypothesis is a statement that there is no significant difference between two groups or no relationship between two variables. The alternative hypothesis, on the other hand, is the statement that there is a significant difference or relationship between the groups or variables.

In statistical hypothesis testing, we test the null hypothesis against an alternative hypothesis. If the data provides enough evidence against the null hypothesis, we can reject it in favor of the alternative hypothesis.

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Liquid A has a density of 0.6g/cm
Liquid B has a density of 1.5g/cm
126 of liquid a and 126 of liquid b are mixed to make liquid c
Find the density of liquid c

Answers

0.6×1.5=0.9 I know this answer come my home

W(-7,-4), X(1,-6), Y(5,-13), Z(1,-12) is this a parallelogram or not?

Answers

The polygon given, based on the vertices of the points on the polygon, is not a parallelogram.

Why is the shape not a parallelogram ?

Parallelograms are such that there are two vertical parallel lines and two horizontal parallel lines. What this means is that two points on the parallelogram will share the same position on the x axis, and the other two points will share the position on the y - axis.

For instance, the vertices of a parallelogram would be P(−4,0), Q(0,4), R(4,0), and S(0,−4) where you see that two points share the same x coordinates and two share the same y coordinates.

This is not the same with W(-7,-4), X(1,-6), Y(5,-13), Z(1,-12) so this is not a parallelogram.

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High school and college students were surveyed to choose a favorite movie genre: action, drama, or comedy. 23% of the students in the survey chose comedy, and 43.1% of the students in the survey were high school students. From the sample, it is found that 13.2% were high school students who chose drama, and 23% were high school students who chose action. 11.5% were college students who chose action, and 29.3% were college students who chose drama.

Which of the following is a correct two-way relative frequency table for the data?


Movie Preference
Action Drama Comedy Row totals
High School 23.0% 13.2% 6.9% 43.1%
College 11.5% 29.3% 16.1% 56.9%
Column totals 34.5% 42.5% 23% 100%

Movie Preference
Action Drama Comedy Row totals
High School 23.0 13.2 6.9 43.1
College 11.5 29.3 16.1 56.9
Column totals 34.5 42.5 23 100

Movie Preference
Action Drama Comedy Row totals
High School 23.0 13.2 6.9 43.1%
College 11.5 29.3 16.1 56.9%
Column totals 34.5% 42.5% 23% 100%

Movie Preference
Action Drama Comedy Row totals
High School 23.0 13.2 6.9 0.431
College 11.5 29.3 16.1 0.569
Column totals 0.345 0.425 0.23 1

Answers

Note that the correct Two-way relative frequency table for the data is: (Option A) which is given as follows.

Movie Preference

Action                   Drama    Comedy    Row       Totals

High School        23.0%      13.2%         6.9%      43.1%

College                11.5%       29.3%         16.1%      56.9%

Column totals      34.5%     42.5%          23%      100%

See the tabularized format attached.

What is a Two-Way Relative Frequency Table?

Tables of two-way relative frequency indicate percentages rather than counts. They are useful for determining whether or not two variables are related.

Thus, the first choice is the accurate depiction of a two-way frequency table since it shows the percentage of students in each group (high school and college) who picked each movie genre (action, drama, comedy), as well as row and column totals that sum up to 100%. The other three selections are incorrect because they lack percentages or column and row totals.

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Shelby is thinking of a secret number. She tells her brother that it is divisible by 3 and tells
her friend that it is divisible by 11. If Shelby is telling the truth to both of them, what is the
smallest secret number that Shelby could be thinking of?l

Answers

Answer:

33!

Step-by-step explanation:

We can use the opposite of division (multiplication) to find what this number could be.

These are the multiples of 11: 11, 22, 33, 44, 55, 66, 77, 88, 99, etc.

There are the multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, etc.

As you can see, the lowest number that is both a multiple of 3 and 11 is 33.

Write the equation of the line in standard form:
1/2y=-4/5x-2

Answers

The standard form of the equation is 8x+5y = -20.

What is standard form of the equation?

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). Additionally, when resolving systems of two linear equations, this form is highly helpful.

Here the given equation is

=> [tex]\frac{1}{2}y=\frac{-4}{5}x-2[/tex]

=> [tex]\frac{1}{2}y=\frac{-4x-10}{5}[/tex]

=> 5y = 2(-4x-10)

=> 5y = -8x-20

=> 8x+5y = -20.

Hence the standard form of the equation is 8x+5y = -20.

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Question 1(Multiple Choice Worth 2 points) (Graphing Linear Equations LC) Which of the following graphs has a slope of negative two thirds and a y-intercept of 2? graph of a line passing through the points 0 comma 2 and 3 comma 0 graph of a line passing through the points 0 comma 2 and 2 comma negative 1 graph of a line passing through the points 0 comma 3 and 2 comma 0 graph of a line passing through the points 0 comma 3 and 3 comma 1 Question 2(Multiple Choice Worth 2 points) (Graphing Linear Equations MC) Which graph represents the equation y equals one half times x minus 1? graph of a line passing through the points negative 2 comma negative 2 and 0 comma negative 1 graph of a line passing through the points negative 2 comma 0 and 0 comma 1 graph of a line passing through the points negative 2 comma negative 3 and 0 comma negative 2 graph of a line passing through the points negative 4 comma 0 and 0 comma 2 Question 3(Multiple Choice Worth 2 points) (Graphing Linear Equations MC) A eyeglasses store is checking their inventory. The table shows the relationship between the number of days since the opening of the eyeglasses store and the total amount of sunglasses in their inventory. Sunglasses Inventory Number of Days Total Amount of Sunglasses 2 54 5 48 7 44 10 38 Which of the following graphs shows the relationship given in the table? graph with the x axis labeled number of days and the y axis labeled total amount of sunglasses and a line going from the point 0 comma 52 through the point 1 comma 50 graph with the x axis labeled number of days and the y axis labeled total amount of sunglasses and a line going from the point 0 comma 52 through the point 1 comma 49 graph with the x axis labeled number of days and the y axis labeled total amount of sunglasses and a line going from the point 0 comma 58 through the point 1 comma 56 graph with the x axis labeled number of days and the y axis labeled total amount of sunglasses and a line going from the point 0 comma 58 through the point 1

Answers

1. The graph that has a slope of -2/3 and a y-intercept of 2 is given as follows:

Graph of a line passing through the points (0,2) and (3,0).

2. The graph that represents the equation y = 0.5x - 1 is given as follows:

Graph of a line passing through the points (-2,-2) and (0,-1).

3. The graph that represents the relation is given as follows:

Graph with the x axis labeled number of days and the y axis labeled total amount of sunglasses and a line going from the point (0,58) and (1, 56).

How to model a linear function?

The slope-intercept definition of a linear function is given as follows:

y = mx + b.

In which:

m is the slope, representing the change in y when x is increased by one.b is the intercept, representing the value of y when x = 0.

For the graph that has a slope of -2/3 and a y-intercept of 2, we have that:

The intercept of 2 means that the function passes through (0,2).The intercept of -2/3 means that the function passes through (3,0), as when x increases by 3, y decays by 2.

The y-intercept and the slope of the equation y = 0.5x - 1 is given as follows:

-1, meaning that the function passes through the point (0,-1).

When x = -2, the value of the function is given as follows:

y = 0.5(-2) - 1

y = -1 - 1

y = -2.

Hence the other point is (-2,-2).

For the relation in item 3, we have that when x increases by 3, y decays by 6, hence the slope m is given as follows:

m = -6/3

m = -2.

Hence:

y = -2x + b.

When x = 2, y = 54, hence the intercept b is given as follows:

54 = -2(2) + b

b = 58.

Hence the function is:

y = -2x + 58.

The points are:

(0,58): y-intercept of 58.(1,56): when x increases by one, y decays by 2.

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Question 2-1
A company is offering a bank account. The value, in dollars, of the account is represented by the function A(r) = 50,000(1.02), where t represents the number of years since
the account was first opened. Determine the average rate of change of the account value from t=0 to t=5. Express your answer to the nearest cent.

Answers

It represents the average amount of change in the function per unit throughout that time period.

What is the rate of change of the average?

Divide the change in y-values by the change in x-values to calculate the average rate of change. When analyzing changes in measurable parameters like average speed or average velocity, finding the average rate of change is quite helpful.

The formula R = D/T, or rate of change equals the distance traveled divided by the time required to do so, can be used to approach rate-of-change problems in general.

It represents the average amount of change in the function per unit throughout that time period. It is generated from the slope of the straight line joining the interval's ends on the graph of the function.

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Which graph represents (x,y)(x,y)left parenthesis, x, comma, y, right parenthesis-pairs that make the equation y = 3x-2y=3x−2y, equals, 3, x, minus, 2 true?

Answers

The graph of linear equation y = 3x - 2 have a slope of 3 and y intercept of -2

What is an equation?

An equation is an expression that shows the relationship between variables and numbers.

The linear equation is in the form:

y = mx + b

where m is the rate of change and b is the y intercept.

Given that the graph of y = 3x - 2 is shown. It passes through the point (0, -2) and (1, 1)

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