The volume of a rectangular prism is 768 ft3. What is the volume of the same shape if the width is changed by a scale factor of 1/3?

Answers

Answer 1

The volume of the same shape with the width changed by a scale factor of 1/3 is 256 ft³.

What is scale factor?

Scale factor is a numerical value used to resize a shape.

It maintains the proportional relationships between the corresponding sides of the original and resized shape.

Scale factor can be used to compare the sizes of similar shapes.

Let's assume that the original dimensions of the rectangular prism are length = l, width = w, and height = h. Then we know that the volume V is given by:

V = l × w × h

We are given that the volume V is 768 ft³. Therefore:

768 = l × w × h ......(1)

Now, let's change the width by a scale factor of 1/3. This means that the new width w' is:

w' = w × (1/3)

The other dimensions (length and height) remain the same. So, the new volume V' is given by:

V' = l × w' × h

Substituting w' = w × (1/3), we get:

V' = l × (w/3) × h

V' = (l × w × h) / 3 .......(2)

But we know from equation (1) that l × w × h = 768. Substituting this into equation (2), we get:

V' = 768 / 3

V' = 256

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Related Questions

Part A: Create a third-degree polynomial in standard form. How do you know it is in standard form?
Part B: Explain the closure property as it relates to addition of polynomials. Give an example.

Answers

A third-degree polynomial in standard form is y = 3x³ + 2x² + 5x - 6

The closure property as it relates to addition of polynomials is that addition of polynomial gives polynomial

A third-degree polynomial in standard form

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

A polynomial

A polynomial can be represented as

y = axⁿ + ...... + c

Where n is the degree of the polynomial

For a third degree, we have

n = 3

So, an instance of the polynomial is

y = 3x³ + 2x² + 5x - 6

It is in standard form, because the exponents are in decreasing order from 3

The closure property

The closure property states that "when something is closed, the output will be the same type of object as the inputs"

In this case, it means that when polynomials are added, the result is a polynomial

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Endure all, a manufacturer of batteries claims that the lifetime of their batteries is normally distributed with a mean of 500 hours and a standard deviation of 40 hours. What is the probability that an endure all battery selected at random will last more than 550 hours?.

Answers

Using the z-score a randomly selected Endure All battery has a 10.56% chance of lasting more than 550 hours.

What is the z-score?

How closely a value relates to the mean of a set of values is measured using a Z-score.

Z-score is calculated using standard deviations from the mean.

When a data point's Z-score is 0, it indicates that its entire score is equal to the mean score.

So, how far the raw score deviates from the mean is determined using the Z score.

These steps are used to determine the Z score:

z = (x - μ)/σ

We know that:  x > 550 and μ = 500, σ = 40

z = 550 - 500 / 40

z = 1.25

Using the normal distribution graph as a guide:

P(z > 1.25) = 1 - P(z < 1.25)

P(z > 1.25) = 1 - 0.8944

P(z > 1.25) = 0.1056

Therefore, using the z-score a randomly selected Endure All battery has a 10.56% chance of lasting more than 550 hours.

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|a-5|, if a>5

Please help me

Answers

Answer:

answer is just a-5

Step-by-step explanation:

its is a-5 without absolute value


1) Janet and Miriam each bought a bicycle for $140.
A few months later they both sold it...
Janet sold hers for 30% less than the original price (what she paid for it)
Miriam sold hers for 25% less than the original price (what she paid for
it)
How much more money did Miriam get than Janet?

Answers

Answer:

$7

Step-by-step explanation:

JANET:

140 * 0.7 = 98

MIRIAM:

140 * 0.75 = 105

105-98=7

What scale is being used if an image of a book on a website is 1.5 inches wide and in real life the book is 9 inches wide?

Answers

Answer:

6

Step-by-step explanation:

Divide 9 by 1.5 to find the scale factor:

9/1.5

= 6

So, the scale factor from the website to real life is 6

What is the answer of 2 Power 4?

Answers

2 to the power of 4 is 16.

2^4 = (2 x 2 x 2 x 2) = 16

2 to the power of 4 is 16.

The answer to 2 to the power of 4 is 16. This means that 2 is multiplied by itself 4 times. To calculate this, it is easiest to start with the base number, 2. Then, multiply 2 by itself 3 more times. The result is 2 multiplied by 2 multiplied by 2 multiplied by 2, or 2 x 2 x 2 x 2, which equals 16. Therefore, 2 to the power of 4 is equal to 16.

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help me asap please :)
Find the measure of segment `DE.`

help me asap please :)Find the measure of segment `DE.`

Answers

Answer:

DE=24

Step-by-step explanation:

We can see clearly that the two angles, angle A and angle F are congruent with one another, and since they are, we know the two triangles are shifted in a growth, not in an adjustment of angles. the hypotenuse doesnt matter, what does matter is the 5 and the 10, clearing showly the transition of Triangle ABC to Triangle DEF is times 2. Therefore, 12 times 2 is 24.

Answer:

Step-by-step explanation:

segment DE is what we want to find

notice that the two triangles are similar, similar here just means one is an exact copy of the other, except for scale.  One is an exact scale copy of the other.  sooooo  we can make some scaling of one side of one.. to the same side of the other.    here we want DE so .. see that BC is the same side on the other , smaller triangle?

now notice AB on the small triangle and FE on the bigger one... sooo just by observation we can see, that the bigger triangle is 2X bigger than the small one  ,  b/c  5 * 2 = 10  .  5 is the AB side of the smaller triangel and 10 is the same side but on the bigger triangle and 2 is our scaling factor.. got it?

So do the same on BC to find DE

12 * 2 = DE

24 = DE

see?  :)

PLEASE HELP ME ON MATH ASAP

PLEASE HELP ME ON MATH ASAP

Answers

Answer: the answer is 4

Step-by-step explanation: 3x4 is 12 so 12-(2+4)=6

The graph of a linear function is shown.
Which word describes the slope of the line

The graph of a linear function is shown.Which word describes the slope of the line

Answers

Answer:I’m pretty sure that slop of that line is zero.

Reason: A positive slope goes up, a negative slip goes down, and undefined slope goes up and down vertically, and a slope of zero goes from side to side horizontally.

Order these lines from the steepest to the least steep.

Order these lines from the steepest to the least steep.

Answers

Answer:

B, A, D, C

Step-by-step explanation:

The slopes are:

2, -4, -1/2, 3/4

Ordering from the greatest to the least by absolute value:

-4, 2, 3/4, -1/2

Correct choice is:

B, A, D, C

Answer:

slopes are 2,-4,-1/2,3/4

Step-by-step explanation:

In order would be B=-4,A=2,C=3/4,D=-1/2

Hope this helps

Help need as quick as possible thanks :)

Help need as quick as possible thanks :)

Answers

If I read this right,

you put the numbers where the letters go

2 (8) (-4)

since they are in parenthesis, you multiply them.

= -64

what’s the slope plz answer

whats the slope plz answer

Answers

The slope is \(-2\).

(Please comment if you want explanation)

Ok, My answer is marked wrong and I don't know why. Ok, kindakait asked for the slope of the line in the graph.

To find the slope of the line is \(\frac{∆y}{∆x} \\\) or so they call \(\frac{rise}{run} \\\).

We can clearly see that to be at (-2,1) from (-4,5). You have to rise by -4 units and run by 2 units. Therefor:

\(m = \frac{rise}{run} \\ m = \frac{-4}{2} \\ m = -2\).

If you are not satisfied yet. Let's try another points. (0,-3) and (1,-5) and this is obvious by just eyeballing it.

\(m = \frac{rise}{run} \\ m = \frac{-2}{1} \\ m = -2\).

Answer:

slope is -4

Step-by-step explanation:

(-1, 1) (0, -3)

(-3 - 1)/(0 + 1) = -4/1 = -4

y + 3 = -4(x - 0)

y + 3 = -4x + 0

y = -4x - 3

A shopkeeper allows 10% discount on the marked price of a bicycle. If a costomer pays Rs 4068 with 13% VAT find the marked price of the bicycle​

Answers

\( \large{ \tt{❁ \: S \: O \: L \: U \: T \: I \: O \: N \: ❁}}\)

We're provided - Discount % = 10 % , Cost with VAT [ SP with VAT ] = Rs 4068 & VAT % = 13%. We're asked to find out the marked price of the bicycle. Let's start :

\( \large{ \tt{❇ \: FIND \: SP \: WITHOUT \: VAT \: / \: SP\: ❇}}\)

\( \large{ \tt{❃ \: SP \: with \: VAT= SP + VAT\% \: of \: SP}}\)

\( \large{ \tt{⇢ \: 4068 = SP + 13\% \: of \: SP}}\)

\( \large{ \tt{⇢ \: 4068 = SP + \frac{13}{100} \: sp}}\)

\( \large{ \tt{⇢ \: 4068 = \frac{100 \: \: SP + 13 \: SP}{100} }}\)

\( \large{ \tt{⇢ \: 4068 = \frac{113 \: SP}{100} }}\)

\( \large{ \tt{⇢ \: 113 \: SP = 406800}}\)

\( \large{ \tt{⇢ \: SP = \frac{406800}{113} }}\)

\( \large{ \tt{⇢ \: SP = 3600}}\)

Hence , SP = Rs 3600

\( \large{ \tt{✽ \: NOW , \: FIND \: THE \: MP \:✽ }}\)

Let Marked Price [ MP ] be x.

\( \large {\tt{❃ \: SP = MP - dis\% \: of \: MP}}\)

\( \large{ \tt{⇾ \: 3600 = x - 10\% \: of \: x}}\)

\( \large{ \tt{⇾ \: 3600 = x - \frac{10}{100} } \: x}\)

\( \large{ \tt{⇾ \: 3600 = \frac{100x - 10x}{100} }}\)

\( \large{ \tt{⇾ \: 3600 = \frac{90x}{100} }}\)

\( \large{ \tt{⇾ \: 90x = 360000}}\)

\( \large{ \tt{⇾ \: x = \frac{360000}{90} }}\)

\( \large{ \tt{⇾ \: x = Rs \: 4000}}\)

\( \large{ \boxed{ \boxed{ \tt{☂ \: OUR \: FINAL \: ANSWER : \boxed {\tt {\: Rs \: 4000}}}}}}\)

Hope I helped! Let me know if you have any questions regarding my answer and don't hesitate to reach out to me if you need any assistance! :)

what is w in the equation -20=5w

Answers

Divide each term by 5.
So, 5w/5=W and -20/5 =-4.

So,

W = -4

I hope that helps.

Answer:

-4

Step-by-step explanation:

Since this has an equals sign and in both sides it can be divisible. So you take 5 and divide it on both sides to get -4

Give an example of a pair of variables where there would likely be a correlation, but no causation.

Answers

Answer:

Number of people with polio.

Ice cream sales.

Seems like a weird thing to be correlated but I saw a graph with this example and people used to think that ice cream was the reason for polio. It's obvious there's no causation!

hope this helps!!

Find the radius of the circle below. Round your answer to the nearest tenth. You mustshow work for full credit.A= 31.2 cm 2.256A

Find the radius of the circle below. Round your answer to the nearest tenth. You mustshow work for full

Answers

The given information is:

- The area of the sector of the circle is 31.2 cm^2.

- The exterior of the sector angle is 256°.

The area of the sector is given by the formula:

\(A=(\frac{\theta}{360\degree})*\pi r^2\)

Where theta is the sector angle and r is the radius of the circle.

The whole circle measures 360°, so the sector angle can be found as follows:

\(\begin{gathered} \theta+256\degree=360\degree \\ \theta=360\degree-256\degree \\ \theta=104\degree \end{gathered}\)

Now, replace theta and the area value in the formula to solve for r:

\(\begin{gathered} 31.2=\frac{104}{360}*\pi r^2 \\ \\ 31.2*\frac{360}{104}=\pi r^2 \\ \\ 108=\pi r^2 \\ \\ r^2=\frac{108}{\pi} \\ \\ r^2=34.4 \\ \\ r=\sqrt{34.4} \\ \\ r=5.9 \end{gathered}\)

The radius of the circle is 5.9 cm.

Select all of the following that are ordered pairs of the given function.
f(x) = 3 - 2x
(-2,-1)
(-1,5)
(0, 3)
(1, 0)
(2,-1)

Answers

Answer:

(-1, 5), (2, -1), (0, 3)

PLEASE HELP VERY IMPORTANT!!!

PLEASE HELP VERY IMPORTANT!!!

Answers

Answer:

34-36 best answer because im am really smart

3
Arrange the following decimal numbers in descending
(biggest to smallest) order.
20.005, 20.7, 20.23, 21, 20.102, 20.22​

Answers

Answer:

21

20.7

20.23

20.22

20.102

20.005

Step-by-step explanation:

hope this helps!

y = 2x – 1
x + y = 2

Answers

Answer:

x = 1, y = 1

Step-by-step explanation:

plug y = 2x - 1 into the equation x + y = 2:

\(x + (2x - 1) = 2\\3x - 1 = 2\\3x = 3\\x = 1\)

plug that into the equation y = 2x - 1

\(y = 2*1-1\\y=2-1\\y=1\)

Bob Tina and Hadley went running. Bob ran for 3/8 hour, Tina ran for 3 4/9 hours, and Hadley ran for 4 19/29 hours. Which running times can be written as improper fractions

Answers

Answer: 3 4/9 and 4 19/29

Step-by-step explanation: Mixed fractions can be converted into improper fractions. Example: 3 1/2=

3×2+1= 7/2

So, 3 4/9= 3×9+4= 31/9

4 19/29= 4×29+19= 135/29

PLEASE RATE 5 STARS AND VOTE AS BRAINLIEST:)

(^o^)(^o^)(^o^)(^o^)(^o^)(^o^)(^o^)(^o^)(^o^)(^o^)(^o^)(^o^)

An improper fraction is one in which the numerator is bigger than the denominator, which means the value of the fraction is more than ' 1 ' .

Bob petered out after only 3/8 of an hour. This number is less than ' 1 ', so if it's left in the form of hours, it can't be an improper fraction.  If Bob wants his effort to look more impressive, he might try to describe his performance as 22.5 minutes. THAT number could be written as an improper fraction, (45/2 minutes), but somebody would be sure to notice his trick, and they would laugh at him.

Tina and Hadley both ran longer than 1 hour, so both of them could write their times directly as improper fractions, without any deceptive monkey business.

Tina . . . 3-4/9 hours . . . 31/9 hours

Hadley . . . 4-19/29 hours . . . 135/29 hours    

What is the solution of the system of equations?
13x-6y=2
3x-4y=-10
(Write as ordered pair)

Answers

Step-by-step explanation:

let's multiply the first equation by 2 and the second equation by -3, and then we add them together :

26x - 12y = 4

-9x +12y = 30

-------------------------

17x 0 = 34

x = 2

and now we use one of the original equations to solve for y :

3×2 - 4y = -10

6 - 4y = -10

-4y = -16

y = 4

the solution is (2, 4).

if $x$ and $y$ are positive integers such that $5x+3y=100$, what is the greatest possible value of $xy$?

Answers

The greatest possible value of $xy$ is $17\times5=\boxed{85}$. To get the greatest possible value of $xy$, we need to maximize the values of $x$ and $y$. We can start by rearranging the equation $5x+3y=100$ to solve for one of the variables in terms of the other:


$5x+3y=100 \implies 5x=100-3y \implies x=\frac{100-3y}{5}$
Since $x$ must be a positive integer, $100-3y$ must be divisible by 5. The largest multiple of 3 less than 100 is 99, so we can try values of $y$ starting from 1 and working up to 33 (because if $y\geq34$, then $5x\leq0$, which is not positive).
When $y=1$, we get $x=\frac{100-3}{5} = 19.4$, which is not an integer.
When $y=2$, we get $x=\frac{100-6}{5} = 18.8$, which is also not an integer.
When $y=3$, we get $x=\frac{100-9}{5} = 18.2$, still not an integer.
When $y=4$, we get $x=\frac{100-12}{5} = 17.6$, still not an integer.
When $y=5$, we get $x=\frac{100-15}{5} = 17$, which is an integer.
From here, we can continue to increase $y$ and see that the values of $x$ will only decrease. Thus, the greatest possible value of $x$ is 17 and the corresponding value of $y$ is 5.

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What is the name of the point from which a dilation is drawn?

Answers

The center is the point of reference for the dilation (like the vanishing point in a perspective drawing) and scale factor tells us how much the figure stretches or shrinks. A scale factor is typically labeled \begin{align*}k\end{align*} and is always greater than zero..

Find the area of the region that is bounded by the given curve andlies in the specified sector. r=θ² ,0≤θ≤π/4

Answers

The area of the region bounded by the curve r = θ² in the sector 0 ≤ θ ≤ π/4 is π/32 square units.

To explain how we find the area of the region bounded by the curve r = θ² in the sector 0 ≤ θ ≤ π/4, we need to use polar coordinates and integrate.

The equation r = θ² represents a curve in polar coordinates. In this case, the curve is a parabola. The given sector 0 ≤ θ ≤ π/4 specifies the range of θ values over which we need to find the area.

To find the area of the region, we integrate the function r(θ) with respect to θ over the given range. The formula for finding the area in polar coordinates is:

A = ∫[θ₁,θ₂] (1/2) r(θ)² dθ

In this case, we have:

r(θ) = θ²

θ₁ = 0

θ₂ = π/4

Substituting these values into the formula, we have:

A = ∫[0,π/4] (1/2) (θ²)² dθ

Simplifying the expression:

A = (1/2) ∫[0,π/4] θ⁴ dθ

Integrating θ⁴ with respect to θ gives:

A = (1/2) [(θ⁵)/5] [0,π/4]

Plugging in the limits of integration:

A = (1/2) [(π/4)⁵/5 - (0)⁵/5]

Simplifying further:

A = (1/2) [(π⁵/4⁵)/5]

A = (1/2) (π⁵/4⁵)/5

A = π/32

Therefore, the area of the region bounded by the curve r = θ² in the sector 0 ≤ θ ≤ π/4 is π/32 square units.

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Which expression is used to represent "the product of 3/4 and c"

Highlight your answer

Answers

The expression that is used to represent "the product of 3/4 and c" is 3/4c.

The term expression ins math is defined as a sentence with a minimum of two numbers or variables and at least one math operation.

Here we have given the statement "the product of 3/4 and c".

Now, we need to find the suitable expression for this one.

While we looking into the given statement we have identified that the following are presented

3/4 refers number also known as constant

c refers the variable

The term product refers the mathematical operation that has been done between number and variable.

So, as per the standard form of expression is can be written as.

=> 3/4 x c

=> 3/4 c

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Fabian was out at a restaurant for dinner when the bill came. His dinner came to $35. He wanted to leave a 15% tip. How much was his meal plus the tip, before tax, in dollars and cents?​

Answers

Using the multiplication and addition operations, if Fabian leaves a 15% tip, his meal plus the tip, before tax, is $40.25.

What are multiplication and addition operations?

Multiplication and addition operations are two of the four basic mathematical operations.

Multiplication involves the use of multiplicand, multiplier, multiplication operand, equal symbol, and product.

The addition operation involves using the two addends, the equal sign, and the sum.

Dinner cost before tip and tax = $35

Tip = 15%

Total cost before tax = 115% (100 + 15)

Dinner cost after tip = $40.25 ($35 x 1.15)

Thus, mathematically, Fabian will spend $40.25 for the dinner before tax.

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Point B is between A and C if A , B , and C are collinear and the equation AB + BC = AC is true, where AB , BC , and AC are the distances between points A and B , B and C , and A and C , respectively.

Answers

The statement AB + BC = AC is true according to the segment addition postulate.

What is the segment addition postulate?

The segment addition postulate is a geometry axiom that states that a line segment, divided into a number of smaller segments, has the length given by the sum of the lengths of the segments.

The smaller segments in this problem are given as follows:

AB and BC.

The large segment is given as follows:

AC.

Hence the equation is given as follows:

AB + BC = AC.

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[ Brainliest + 20 points]

The smallest angle by which a regular 30-sided figure can be rotated to look exactly like the original figure is __ degrees.

Answers

Answer:

12°

Step-by-step explanation:

The angles of the shape should all add to 360°.

We divide this by 30, because the shape has 30 angles.

360° ÷ 30 = 12°.

This is the measure of each angle, and also the degree of rotation. The shape will look like the original figure each time it is rotated 12°.

The coordinates of point A are (-3a,4b). If point A' is the image of point A reflected over the line y = x, what
are the coordinates of A?

Answers

Answer:   (4b, -3a)

Reason:

When reflecting over the line y = x, we swap the positions of the x and y coordinates.

The reflection rule is \((\text{x},\text{y}) \to (\text{y},\text{x})\)

As an example: \((2,3) \to (3,2)\)

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