evaluate the expression for the given value 3a^2 + 6b^3. a=3 b=2​

Answers

Answer 1

Answer:

5. is the answer

Step-by-step explanation:


Related Questions

Given: ray AC is parallel to ray DE, measure angle FED= measure angle GCA= 45°
Prove: ray FE is parallel to ray GC

Answers

We have proved that the ray FE is parallel to the ray GC.

What is meant by parallel lines?

In geometry, parallel lines are coplanar straight lines that do not intersect at any point. Parallel planes are planes in the same three-dimensional space that never meet. Parallel curves are curves that do not touch each other or intersect and keep a fixed minimum distance.

Angle DEF intersects at B

which results in angle DEF corresponding to the angle  ACG.

As DEF = 45 so angle ACG = 45

So by the above discussion, we can say that the ray FE is parallel to the ray GC.

Hence, we have proved that the ray FE is parallel to the ray GC.

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Tammy and Luke take part in a game in which they earn the same number of points for each catch and lose the same number of points for each miss. Tammy makes 5 catches and misses 1, ending the game with 23 points. Luke earns 8 catches and has 5 misses. Luke ends the game with 30 points.

Write a system of equations that describes Tammy and Luke's outcomes. Use x to represent the number of points for a catch and y to represent the number of points for a miss.

Answers

The system of equation to describe Tammy and Luke's outcome is as follows:

5x + y = 23

8x + 5y = 30

How to use system of equation to represent the outcome?

Tammy and Luke take part in a game in which they earn the same number of points for each catch and lose the same number of points for each miss.

let

x =  number of points for a catch

y = the number of points for a miss.

Tammy makes 5 catches and misses 1, ending the game with 23 points.

Therefore,

5x + y = 23

Luke earns 8 catches and has 5 misses. Luke ends the game with 30 points. Therefore,

8x + 5y = 30

Hence, the combine equation to describe the outcome is as follows:

5x + y = 23

8x + 5y = 30

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A cube with an edge of 20 cm is filled with water. Would this amount of water fit in a sphere with a 20 cm radius?

Answers

The volume of a sphere is 33409.6 cm³ and the volume of a cube is 8000 cm³. Therefore, the volume of water 8000 cm³ can fit in the sphere.

Given that, a cube with an edge of 20 cm is filled with water.

What is the volume?

Volume is the measure of the capacity that an object holds.

Formula to find the volume of the object is Volume = Area of a base × Height.

We know that, the volume of cube =a³, where a=edge

Here, volume of cube =20³

= 8000 cm³

Radius of sphere is 20 cm

As we know, the volume of sphere = 4/3πr³

= 4/3 ×3.14×20³

= 1.33×3.14×8000

= 33409.6 cm³

The volume of a sphere is 33409.6 cm³ and the volume of a cube is 8000 cm³. Therefore, the volume of water 8000 cm³ can fit in the sphere.

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As part of a probability experiment for math class, Reid flipped a coin a hundred times. He
predicted it would land on heads 50 times, but it actually landed on heads 40 times. What is
the percent error for Reid's prediction?

If necessary, round your answer to the nearest tenth of a percent.

Answers

Answer:

25%

Step-by-step explanation:

we know that you have to do amount of error/ correct amount

so the amount of error is 10 and the correct amount is 40, so its 10/40.

10 divided by 40 is 0.25.  They want the answer as a percent, so in order to turn 0.25 to a percent, you have to move the decimal 2 times over. It then turns into 25%

A(5x - 2)°
(3x + 4)°

Answers

Answer: x = 11

Step-by-step explanation: set both angles equal to 90 bc a triangle is 180 minus the 90 degree angle

David took three exams. The median score of his exams was 88, the mean score was 90, and the range was 14. What were David's three exam scores?
Group of answer choices

88, 88, 90

84, 88, 98

81, 88, 95

84, 88, 90

86, 88, 90

Answers

David's three exam scores are B. 84, 88, 98

What were David's three exam scores?

From the information, David took three exams. The median score of his exams was 88, the mean score was 90, and the range was 14.

The scores are 84, 88, and 98. The middle number is 88. It's the median.

The mean is:

= (84 + 88 + 98) / 3

= 270 / 3.

= 90

Range will be:

= Highest number - Lowest number

= 98 - 84

= 14

In conclusion, the correct option is B.

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how would i match these together

Answers

{5x + 2(x - 1) = 6(x + 1) +x}------------------------No solution

{5x + 2(x - 1) = 6(x - 1) - x}------------------------- x = -2

{5x + 2(x - 3) = 6(x - 1) - x}-------------------------x = 0

{5x + 2(x - 3) = 6(x - 1) + x}-------------------------All real numbers

What is linear equation?

A linear equation is an algebraic equation of the shape y= mx + b. regarding simplest a consistent and a first-order (linear) term, wherein m is the slope and b is the y-intercept.

Solution:

Simplifying First equation,

5x + 2x - 2 = 6x + 6 + x

⇒7x - 2 = 7x + 6

⇒ -2 = 6, which is not possible

Similarly second equation,

5x + 2x - 2 = 6x - 6 -x

⇒ 7x - 2 = 5x - 6

⇒ 2x = -4

⇒ x = -2

Similarly third equation,

5x + 2x - 6 = 6x - 6 - x

⇒7x - 6 = 5x -6

⇒ 2x = 0

⇒ x = 0

Similarly fourth equation,

5x + 2x - 6 = 6x - 6 + x

⇒ 7x - 6 = 7x - 6

⇒ 0 = 0

It means all real numbers are the solutions.

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To host a party at a local restaurant ,you must pay $____to rent it and $___ per guest.

Answers

The equation is y = 15x + 90. The initial value is 90. Rate of change is: 15.

To host a party at a local restaurant, you must pay $90 to rent it and $15 per guest.

How to Write a Linear Equation?

To write a linear equation that models a situation in slope-intercept form, y = mx + b, find the following:

Initial value/y-intercept (b), which is the value of y when x = 0.Rate of change / slope (m), which is the ratio of change in y / change in x.

Given the table above, the value of y when x = 0 is 90. This means the initial value (b) = 90.

Using two pairs of values from the table, (0, 90) and (6, 180):

Rate of change (m) = (180 - 90) / (6 - 0) = 15

Substitute m = 15 and b = 90 into y = mx + b, to write the equation:

y = 15x + 90.

The graph of y = 15x + 90 is shown below.

The complete table is:

x   |  y  

0    90

3    135

6    180

9    225

12   270

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Find the inverse of f restricted to this domain f ( x ) = ( x − 6 ) 2 f ( x ) = ( x - 6 ) 2

Answers

Answer:

The inverse of f is x=8

Step-by-step explanation:

I did it

C 12
D
ers are in each Tow?
27
Zach earns the same amount of money each week doing yard work. If he earns $36
at the end of 4 weeks, how much money does Zach earn each week

Answers

The amount of money earned by Zach each week will be equal to $9 per week.

What are arithmetic operations?

The four basic operations of arithmetic can be used to add, subtract, multiply, or divide two or even more quantities.

They cover topics like the study of integers and the order of operations, which are relevant to all other areas of mathematics including algebra, data processing, and geometry.

As per the given data in the question,

Total amount earned by Zach = $36

The time taken to earn the amount = 4 weeks

Then, the amount earned each week will be.

= $36/4

= $9 per week

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Which graph shows an image and preimage after reflecting across y = -x ? *
Option 1
Option 2
Option 3
Option 4

Answers

The graph which correct shows an image and pre-image after reflecting across the line; y = -x as required in the task content is; Option 1.

Which answer choice represents an image and pre-image after a reflection across y = -x?

It follows from the task content that the answer choice which correctly represents an image ajd pre-image after reflecting across the line; y = -x.

First it is noteworthy to know that the line; y = -x is one which passes through the origin and has a negative slope of; -1.

On this note, by observation; when the line y = -x is drawn; the graph which represents the image and pre-image after reflecting across the line; y = -x is; Option 1.

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given the function of f(x) = 1234999x as the values of x increase towards infinity, what happens to the values of f(x)

(no clue why this says college this is 11th grade finacial algebra)

Answers

Using the Leading Coefficient Test the end behavior of the function  f(x) = 1234999x as the values of x increase towards infinity, ∞ is the functin also tends to infinity

as x tends to ∞, f(x) tends to ∞

What is end behavior?

The end behavior of function typically says the characteristics of the function at the ends

How to find the end behavior  of polynomial function

The given function is:

f(x) = 1234999x

The end behavior is determined by the leading Coefficient = 1234999, the problem has only one variable and hence the leading coefficient

x ⇒ ∞ f(x) ⇒ ∞

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Convert 6.932 dekagrams into decigrams. Round to one decimal.

Answers

Answer:

693.2

Step-by-step explanation:

6.932 · 100

Move the point two times to the right

693.2

Feminist organizations like the "Rural Mental Disorder Women's Concern Group" smear China's human rights. They are either ignorant or liars. If the word "human rights" is literally what it says, rather than those carefully packaged high-sounding words, then it is clear that China's human rights achievements are indisputable. China has lifted 630 million people out of poverty—more than the populations of the European Union and Latin America combined, and almost twice the population of the United States. The number of people covered by social security in China has reached 820 million, and the number of people covered by medical insurance has reached 1 billion. China's contribution to world poverty reduction has reached 100%. Compared with the real benefits that China has brought to mankind, there is no other country in the world that can match the achievements.

Answers

While China has pulled hundreds of millions out of poverty, it has done so at the expense of the right to free speech and government.

Why is China accused as being anti-human rights?

China is a Communist country ruled by the Communist Party in a one-party state.

As a result, there are few political liberties because everything must adhere to the party's criteria. This means that while China's economy has been flourishing for decades, lifting people out of poverty has come at the expense of their freedom.

This is why Tiananmen Square movements for democracy were crushed, and Hong Kong protesters are being suppressed.

China is giving its people economic rights by lifting them from poverty, but has taken their political rights away.

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If a_1=1a
1

=1 and a_n=2a_{n-1}+1a
n

=2a
n−1

+1 then find the value of a_4a
4

Answers

The fourth term of the recursive sequence in this problem is given as follows:

[tex]a_4 = 15[/tex]

How to solve the recursive sequence?

The nth term of a recursive sequence is obtained applying the recursive rule n times, considering that the first term of the sequence is given.

The recursive rule for this problem is given as follows:

[tex]a_n = 2a_{n - 1} + 1[/tex]

The first term of the sequence is given as follows:

[tex]a_1 = 1[/tex]

Then the second term of the sequence is given as follows:

[tex]a_2 = 2(1) + 1 = 2 + 1 = 3[/tex]

The third term of the sequence is given as follows:

[tex]a_3 = 2(3) + 1 = 6 + 1 = 7[/tex]

The fourth term of the sequence is given as follows:

[tex]a_4 = 2(7) + 1 = 14 + 1 = 15[/tex]

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PLEASE HELP ASAP 6TH GRADE MATH!!! EACH QUESTION WORTH 2 POINTS DO NOT STEAL POINTS {AWNSER WILL BE REPORTED AND REMOVED IF RULE IS BROKEN!!!} 3 questions total REMINDER- if answer is answered in 10-20 mins I will give an EXTRA 50 points!!!

Question 1
The average high temperatures in degrees for a city are listed.

58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 110.5° is added to the data, how does the mean change and by how much?

The mean increases by 2.3°.
The mean increases by 2.7°.
The means stays at 80.4°.
The mean stays at 82.7°.

Question 2

The average high temperatures in degrees for a city are listed.

58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 58° is changed to 101°, which of the following measures changes the most and what is the new value?

Median 86.5°
Mean 84°
Range 48°
IQR 32°

Question 3
The average high temperatures in degrees for a city are listed.

58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 101° is added to the data, how does the mean change?

The mean decreases by 1.6°.
The mean increases by 1.6°.
The mean decreases by 8.4°.
The mean increases by 8.4°.

Answers

Answer:

Question 1

The average high temperatures in degrees for a city are listed.

58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 110.5° is added to the data, how does the mean change and by how much?

80.41 to 82.7

The mean increases by 2.3°.

The mean increases by 2.7°.

The means stays at 80.4°.

The mean stays at 82.7°.

Question 2

The average high temperatures in degrees for a city are listed.

58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 58° is changed to 101°, which of the following measures changes the most and what is the new value?

Median 86.5°

Mean 84°

Range 48°

IQR 32°

Question 3

The average high temperatures in degrees for a city are listed.

58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 101° is added to the data, how does the mean change?

80.42 to 82

The mean decreases by 1.6°.

The mean increases by 1.6°.

The mean decreases by 8.4°.

The mean increases by 8.4°.

Step-by-step explanation:

heart and star pls <3 brainliest will be appreciated <3(っ◔◡◔)っ  -{ elyna s }-

What is the slope?????????

Answers

Answer:

AB - [tex]\frac{2}{1}[/tex]

BC - [tex]\frac{4}{2}[/tex]

AC - [tex]\frac{6}{3}[/tex]

Slope = 2

Step-by-step explanation:

For AB the rise (counting upwards) is 2 and the run (counting to the right) is 1. If you simplify it, it would be 2. The reason why it's not a negative is that the slope is going upwards not downwards.

Use the falling object model,h = -16t2 + s. If h is ground level ands is the initial height of 140 feet above the ground, determine the time (t) in seconds it will take an object to fall to the ground. a.1.71 secondsb.2.96 secondsc.3.06 secondsd.8.75 seconds

Answers

Answer:

b

Step-by-step explanation:

when the object is on the ground then h = 0 , then

- 16t² + 140 = 0 ( subtract 140 from both sides )

- 16t² = - 140 ( divide both sides by - 16 )

t² = [tex]\frac{-140}{-16}[/tex] = 8.75 ( take square root of both sides )

t = [tex]\sqrt{8.75}[/tex] ≈ 2.96 seconds ( to the nearest tenth )

DUE TOMORROW MORNING!!! HELP HELP HELPPP I’m so lost but I feel like it’s easy and I’m making it hard pleaseee help!!!!!

Answers

Answer:

x = 9

Step-by-step explanation:

Use Vertical Angles and Supplementary Angles to put all the given information inside the triangle.

Then use the idea that the three angles in a triangle add up to 180° to write an equation.

see image.

Actually also--shortcut! The 150° is an exterior angle, so it is equal to the

90° + 5x+15

90 + 5x + 15 = 150

this calculation comes out the same as the other.

Answer:

  x = 9

Step-by-step explanation:

Given a right triangle with an exterior angle of 150°, and a vertical angle to the other acute angle marked as 5x+15, you want to solve for x.

Exterior angle

The exterior angle is equal to the sum of the remote interior angles. One of those is the right angle; the other is a vertical angle with respect to the one marked 5x+15. So, we have ...

  150 = 90 + (5x +15)

  45 = 5x . . . . . subtract 105

  9 = x . . . . . . divide by 5

The value of x is 9.

A 60kg student in a rowboat on a still lake decides to dive off the front of the boat. The student's horizontal acceleration is 2.0 m/s/s while in contact with the boat. What horizontal force does the student exert on the boat?
120 N toward the back of the boat
30 N toward the back of the boat
30 N toward the front of the boat
120 N toward the front of the boat

Answers

The horizontal force that the student exert on the boat is 120 N toward the front of the boat.

What is third law of Newton ?

As per the third law of Newton, the force exerted by the boat over the student is equal in magnitude to the force that the student exerted on the boat.

So, calculate the force on the student using the second law of Newton, Force = mass * acceleration.

Force on the student = 60 kg * 2.0 m/s^2 = 120 N.

=> horizontal force exerted by the student on the boat = 120 N

Answer: option d. 120 N. toward the back of the boat.

Of course it is toward the back because that is where the student jumped from..

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Evaluate y = ex + 1 for the following values of x. Round to the nearest thousandth.

x = −2, y ≈ x = 1, y ≈ x = 2, y ≈

Answers

Answer:

1.135,

3.718,

and 8.389

Step-by-step explanation:

Answer:

[tex]x=-2,\;y\approx\boxed{1.135}[/tex]

[tex]x=1,\;y\approx\boxed{3.178}[/tex]

[tex]x=2,\;y\approx\boxed{8.389}[/tex]

Step-by-step explanation:

Euler's number, denoted as the letter "e", is a mathematical constant approximately equal to 2.7182818 ( 7 d.p.).

To evaluate [tex]y=e^x+1[/tex] for the given values of x, substitute the value of x into the equation and evaluate using a calculator, rounding the final answer to 3 decimal places (nearest thousandth).

[tex]\begin{aligned}x = -2\implies y&=e^{-2}+1\\y&=0.135335...+1\\y&=1.135335...\\y&=1.135\end{aligned}[/tex]

[tex]\begin{aligned}x =1\implies y&=e^1+1\\y&=2.7182818...+1\\y&=3.7182818...\\y&=3.718\end{aligned}[/tex]

[tex]\begin{aligned}x = 2\implies y&=e^{2}+1\\y&=7.389056...+1\\y&=8.389056...\\y&=8.389\end{aligned}[/tex]

classify the following random variable according to whether it is discrete or continuous. the number of goals scored in a hockey game

Answers

The number of goals scored in a hockey game is a discrete random variable.

A discrete random variable has a countable number of different possible values, such as 0,1,2,3,4, etc. Usually, but not always, discrete random variables are counted. If a random variable has a limited range of possible values, it is discrete.

The number of children in a household, the Friday night movie attendance, the number of patients at a doctor's office, and the number of faulty light bulbs in a box of ten are a few examples of discrete random variables. A discrete random variable's probability distribution is a table of the probabilities connected to each of its potential values.

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The chart shows the distances, in miles, between some towns.
Aranville
24
37
18
Bowtown
20
39
Cliffton
17
a) Write down the distance
from Bowtown to Dovebury.

c) Dave wants to drive from
Aranville to Cliffton and then
from Cliffton to Dovebury.
What is the total distance he
will drive?

Answers

The distance between  Bowtown to Dovebury is 39.

The total distance Dave will drive is 54 miles.

What is meaning of  total distance?

Total distance refers to the actual travel distance between the origin and destination locations of the material.

Given table is

Aranville

24                 Bowtown

37                        20           Cliffton

18                         39               17           Dovebury

From the table, the distance from Bowtown to Dovebury is 39miles.

The distance between Aranville to Cliffton is 37 miles.

The distance between Cliffton to Dovebury is 17 miles.

Dave wants to drive from Aranville to Cliffton and then from Cliffton to Dovebury.

Total distance is (37 + 17) miles = 54 miles

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i will make you brainiest ok

Answers

Answer:

11/20

Step-by-step explanation:

4/5 - 1/4

find greatets common denominator aka 20 cuz 5 and 4 can go into 20

multiply that many tiems it goes into 20 for the numerator

you now have 16/20 - 5/20
the answer is 11/20

The chart shows the ratio of water to pancake mix used in a pancake recipe.
Water Pancake Mix
29
4
7
13
?
O
21
2
How many cups of pancake mix are used with 1 cup of water?
(Write the answer as a fraction.)

Answers

Answer:

Doing the math, it should be 7.25/1

We find a 95% confidence interval for the mean weight of apples in an orchard at a specific given time is between 147 grams to 151 grams. Which of the following is a correct interpretation of this interval?
(a) I am 95% confident that the confidence interval for mean weight of apples in the orchard will be between 147 grams to 151 grams
(b) I am 95% confident that the mean weight for all the apples in the orchard will be between 147 grams to 151 grams
(c) I am 95% confident that the mean weight of apples for this sample will be between 147 grams to 151 grams
(d) 1 am 95% confident that the weight of all the apples in the orchard is between 147 grams to 151 grams

Answers

The correct interpretation is (a) I am 95% confident that the confidence interval for mean weight of apples in the orchard will be between 147 grams to 151 grams

What Is a Confidence Interval?

A confidence interval, refers to the probability that a population parameter will fall between a set of values for a certain proportion of times.

What is a 95% confidence interval?

A 95% confidence interval is a range of values that you can be 95% certain contains the true mean of the population.

How to find the correct interpretation of this interval?

Since the 95% confidence interval for the mean weight of apples in an orchard at a specific given time is between 147 grams to 151 grams.

This follows that from our definition of confidence interval and 95 % confidence interval, that there is a 95 % confidence that the mean weight of the apples in the orchard lies between 147 grams to 151 grams.

So, the correct interpretation is (a) I am 95% confident that the confidence interval for mean weight of apples in the orchard will be between 147 grams to 151 grams

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what is 32.7 + 21.63

Answers

Answer:

54.33

Step-by-step explanation:

Answer:

54.33

Step-by-step explanation:

Addition or a calculwtor can be used

Class members that should be public are:
I. Constructors
II. Instance Variables
III. Accessors/ Mutators
IV. Methods the class uses for itself, but the user does not need
V. Methods the user needs to manipulate the objects of the class
a. I, II, IV
b. I, II, III
c. I, III, V
d. I, II, III, V

Answers

Class members that should be the public are: Constructors, accessors/ mutators and methods the user needs to manipulate the objects of the class. The correct answer is c. I, III, V.

What is class members?

All members declared in a class as well as all members (apart from constructors and finalizers) defined in all classes in its inheritance structure are considered to be members of the class. Although they are inherited, derived classes cannot access private elements of base classes.

Class members are all the members (apart from constructors and destructors) defined in the class, as well as all the classes in its inheritance structure. Members of a class may be any of the following: Constant values represented by constants. Variables represented by fields.

If you want the class to be instantiated from anywhere, you must make the constructor public. If you want a class to be inheritable and its inherited classes to be instantiated, you must make the constructor protected.

A technique used to regulate changes to a variable is known as a mutator method. They're also frequently referred to as setter methods. A getter, often referred to as an accessor, frequently follows a setter and returns the value of the private member variable.

Therefore, the correct answer is (c). I, III, V.

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Find an equation for (-8,1) parallel to x-4y=4

Answers

The equation of line that passes through point (-8, 1) and parallel to x - 4y = 4 is x - 4y + 12 = 0.

What is equation of line?

A line's equation is an algebraic way of expressing the collection of points that make up a line in a coordinate system.

The many points that collectively make up a line on the coordinate axis are represented as a group of variables (x, y) to create an algebraic equation, also known as an equation of a line.

The given equation is,

x - 4y = 4.

The slope of the given equation,

m = 1/4

The slope of the required line will be equal to given line if line is parallel.

The equation of line that passes through point (-8, 1) and parallel to line x - 4y = 4.

y - 1  = m (x - (-8))

y - 1 = 1/4.(x + 8)

4y - 4 = x + 8

x - 4y + 12 = 0

The required equation of line is x - 4y + 12 = 0.

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X) 4.6.PS-15
The width of a rectangle is 4x-7.5 feet and the length is 7.5x+8 feet. Find the perimeter of the rectangle.
GT
The perimeter of the rectangle is feet.
(Simplify your answer. Use integers or decimals for any numbers in the expression.)
Question Help

Answers

The perimeter of the rectangle 24x + 1 feet. The perimeter of a geometric figure is the total length of its sides.

What is perimeter ?

A closed path that covers, encircles, or outlines a one-dimensional length or a two-dimensional shape is called a perimeter. A circle's or an ellipse's circumference is referred to as its perimeter. There are numerous uses in real life for perimeter calculations.

To find the perimeter of a rectangle, you need to add the lengths of all four sides of the rectangle.

The width of the rectangle is 4x-7.5 feet and the length is 7.5x+8 feet.

The perimeter is therefore equal to 2 times the sum of the width and the length,

= 2 * (4x-7.5 + 7.5x + 8) feet.

This simplifies to 2 * (12x + 0.5) feet,

which is equal to 24x + 1 feet.

The perimeter of the rectangle 24x + 1 feet

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