O is the center of the regular octagon below. Find its perimeter. Round to the nearest tenth if necessary.

O Is The Center Of The Regular Octagon Below. Find Its Perimeter. Round To The Nearest Tenth If Necessary.

Answers

Answer 1

The correct answer is 86.08, as the octagon is given and the apothem given here is 13 units. The calculation after putting the value in formula is  86.08.

An octagon is a polygon with eight sides and eight angles. It is a two-dimensional geometric shape.  Each angle in a regular octagon measures 135 degrees, and all sides of a regular octagon are of equal length.

The formula is given below,

P= side length ×n

Apothem of octagon =13 units,

side length is = tan (360° / (2 × 8)) = (n/2) ÷ 13

= tan (360° / (2 × 8)) = n/26

tan 22.5°= n/26

n/26 =  0.4142

n = 10.76

perimeter of octagon = 8 ×  10.76 = 86.08

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Related Questions

the dice was thrown 35 times and following numbers were obtained prepare frequency table51423266142545361526254132141626333

Answers

This table shows the frequency of each number obtained after throwing the die 35 times

How to prepare frequency table

To prepare a frequency table based on the numbers obtained from throwing a die 35 times, we can list the numbers from 1 to 6 and count the frequency of each number.

Numbers: 1, 2, 3, 4, 5, 6

Frequency: 5, 14, 6, 4, 5, 1

Based on the given numbers, the frequency table would look like this:

Number   | Frequency

1                      5

2                     14

3                      6

4                      4

5                      5

6                       1

This table shows the frequency of each number obtained after throwing the die 35 times.

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What is the mean of the data set below?12, 11, 14, 14, 14, 12, 7

Answers

Mean is when you add all the numbers up and divided it by how many number there are in the data set...
So 7+11+12+12+14+14+14=84
There is 7 numbers in the data set...
So 84/7=12
12 is your mean
Hope this helps! Have a nice day :)

help me please i would appreciate it so so much

help me please i would appreciate it so so much

Answers

Answer:

w = 120

x = 60

y = 120

z = 60

Step-by-step explanation:

w = 120 (vertically opposite angles)

sum of co interior angles is 180

⇒ w + x = 180 and x + y = 180

w + x = 180

⇒ 120 + x = 180

⇒ x = 180 - 120

⇒  x = 60

x + y = 180

⇒  60 + y = 180

⇒   y = 180 - 60

⇒   y = 120

z = x (corresponding angles)

z = 60

how would i anwser this? help pls!

how would i anwser this? help pls!

Answers

Answer:

Step-by-step explanation:

To get the y values all you need to do is substitute the x value in the equation y=-2/3x+7.

For example:

y=-2/3(-6)=7

-2/3x6=-4

-4+7=3

(-6,3)

You can double check your work by filling the x and y coordinates in the equation and when solved if it it true you know you were correct.

To get the x value, you need to fill in the y in the equation y=-2/3x+7

for example:

5=-2/3x+7

-2=-2/3x

3=x

(3,5)

y=-2/3x+7

y=-2/3(15)+7

y=-10+7

y=-3

(15,-3)

y=-2/3x+7

15=-2/3x+7

8=-2/3x

-12=x

(-12,15)

Please answer all of these. Its for my homework that Ms. Velez explained very poorly, but thanks if you answer.
1.) -2 1/7 x 4 1/5 + 5/12 2.) 2/3 - (-4)
--------------
-6 / 7

Answers

Answer:

1. -3/5x^41+5/12

2.   14/3 or 80/21 (see explanation in step -by -step explanation)

Step-by-step explanation:

1. For this you just have to simplify it

2. for this one if it is just  2/3 - (-4) then it would be 14/3 but if it is 2/3 - (-4)-6/7 then you get 80/21 ( to solve this you also just simplify it)

Christy bought 4 feet of cotton cloth . How many inches did she buy ?

Answers

Answer:

48  

Step-by-step explanation:

1 foot is 12 inches

12x4=48

Answer: 48

Step-by-step explanation:

Good luck <3

What point of concurrency in a triangle is always located inside the triangle?A. orthocenter, onlyB. incenter, onlyC. centroid and incenterD. orthocenter and circumcenter

Answers

Remember the next concepts:

1) Orthocenter: It's the point where all three altitudes of the triangle intersect. An altitude is a line that passes through a vertex of the triangle and is perpendicular to the opposite side. In an obtuse triangle, the orthocenter is outside it.

2) Incenter: It is the point of intersection of all the three interior angle bisectors of the triangle. The bisectors always cross across the inner part of the triangle. Therefore, the incenter will always be located inside the triangle.

The incenter is the center of a circumference that is tangent to all the sides of the triangle, that's why the incenter has to be inside the triangle.

3) Centroid: It is the point of intersection of its medians (the lines joining each vertex with the midpoint of the opposite side). This point always lies inside the triangle

4) Circumcenter: The circumcenter is the center of a triangle's circumcircle.

In this case, the circumference that surrounds the triangle could have its center outside the inner part of the triangle. An obtuse triangle is one of these cases.

Answer:

Step-by-step explanation:

B. incenter,

Line u has a slope of Line v is parallel to line u. What is the slope of line v? v יל Simplify your answer and write it as a proper fraction, improper fraction, or integer.​

Answers

Answer:

I have no idea what the answer is because I am in 6th grade but good luck

Step-by-step explanation:

I don't know

please help it's due tomorrow ​

please help it's due tomorrow

Answers

Answer:

B.  -414,720 x⁷y⁶

Step-by-step explanation:

To find the 4th term of the expansion of (2x - 3y²)¹⁰, we can use the binomial theorem.

The binomial theorem states that for an expression of the form (a + b)ⁿ:

\(\displaystyle (a+b)^n=\binom{n}{0}a^{n-0}b^0+\binom{n}{1}a^{n-1}b^1+...+\binom{n}{r}a^{n-r}b^r+...+\binom{n}{n}a^{n-n}b^n\\\\\\\textsf{where }\displaystyle \rm \binom{n}{r} \: = \:^{n}C_{r} = \frac{n!}{r!(n-r)!}\)

For the expression (2x - 3y²)¹⁰:

a = 2xb = -3y²n = 10

Therefore, each term in the expression can be calculated using:

\(\displaystyle \boxed{\binom{n}{r}(2x)^{10-r}(-3y^2)^r}\quad \textsf{where $r = 0$ is the first term.}\)

The 4th term is when r = 3. Therefore:

\(\begin{aligned}\displaystyle &\;\;\;\;\:\binom{10}{3}(2x)^{10-3}(-3y^2)^3\\\\&=\frac{10!}{3!(10-3)!}(2x)^7(-3y^2)^3\\\\&=\frac{10!}{3!\:7!}\cdot2^7x^7(-3)^3y^6\\\\&=120\cdot 128x^7 \cdot (-27)y^6\\\\&=-414720\:x^7y^6\\\\ \end{aligned}\)

So the 4th term of the given expansion is:

\(\boxed{-414720\:x^7y^6}\)

find the domain and range of each f(x)^ * = 1 + x ^ 2

Answers

The function f(x)* = 1 + x^2 is defined for all real numbers x, so the domain is all real numbers, or (-∞, ∞).

How to explain the domain

In determining the function's output values, one must consider its collection of feasible results to extract the range. Reviewing f(x)* exhibits a minimum value of 1 due to x^2 being perpetually non-negative, while adding another factor merely preserves positivity.

Concurrently as x skyrockets, so too does the value of f(x)* given that approaching infinity generates infinitely larger powers than any constant coefficient subordinated by it. Consequently, the overall range of f(x)* becomes [1, ∞), enwrapping all feasible solutions equivalent or superior to 1.

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Celinda scored 2 more than 3 times as many strikes as Teresa did while they were bowling. Celinda scored 8 strikes. Let x represent the number of strikes Teresa scored. Solve the equation for x. How many strikes did Teresa have?​

Answers

Therefore, the he equation of line for \(x\) is \(2\).

What is the equation?

The definition of an equation is a mathematical statement that shows that two mathematical expressions are equal.

Here given that

Celinda scored two more than three times as many strikes as Teresa did while they were bowling. Celinda scored eight strikes. Let x represent the number of strikes Teresa scored.

\(8-2=6\\\\\frac{6}{3}=2\)

Hence, the equation for \(x\) is \(2\).

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What is the difference (2 x minus 3) minus (x minus 1)?

Answers

Answer:

2x - 3 - (x-1)

2x - 3 -x +1

x-2

Answer:

x-2 or B. if you're on edg

what is 1000×80,000 in stuck on this

Answers

Answer:

80,000,000

Step-by-step explanation:

For each triangle, list the angles in ascending order according to their size from least to greatest.

HELP HELP GELP GELP HELP HELP

For each triangle, list the angles in ascending order according to their size from least to greatest.HELP

Answers

It is literally just a busy in the order that I just said

what is the constant of proportionality relationship between the number of potatoes john peels,x, and the amount in time {minutes} it takes to peel that many potatoes,y.

Answers

1 X Takes 3 Y

2 X Takes 6 Y

3 X Takes 6 Y
So on

Estimate the decimal factors, then multiply to estimate the product. 1. 5.3 rounded to the nearest whole number is ____ . 2. 7.9 rounded to the nearest whole number is ____ . 3. (5.3)(7.9) ≈ ____ .

Answers

Answer:

1. 5

2. 8

3. 40

Step-by-step explanation:

So rounding the factors is an easy way to estimate the product of 5.3 and 7.9.

The real answer is 41.87 and 40 is a reasonable approximation.

40 ≈ 41.87

Answer:

1. 5

2. 8

3. 40

Step-by-step explanation:

Reuben made a shirt using 7/8yards of red fabric and 1/4yards of yellow fabric. How many more yards of red fabric did Reuben use?

Answers

Answer and Step-by-step explanation:

To find out how many more yards of red fabric Reuben used, we need to subtract the amount of yellow fabric from the amount of red fabric. Since the two fractions have different denominators, we need to find a common denominator before subtracting them. The least common multiple of 8 and 4 is 8, so we can rewrite both fractions with a denominator of 8:

7/8 - 1/4 = 7/8 - (1/4) * (2/2) = 7/8 - 2/8 = (7 - 2)/8 = 5/8

So, Reuben used 5/8 yards more red fabric than yellow fabric.

Factor 36+21. Write your answer in the form a(b+c) where a is the GCF of 36 and 21.

Answers

Answer:

3(12 + 7)

Step-by-step explanation:

To find the GCF of 36 and 21, list out their factors.

36: 1, 2, 3, 4, 6, 9, 12, 18, 36

21: 1, 3, 7, 21

The greatest factor which both numbers share is 3.

Therefore, you can factor 36 + 21 as 3(12 + 7)

3(12+7si yes good luck

Hello please help me solve this :) will give braisnlt xo

Hello please help me solve this :) will give braisnlt xo

Answers

1.immigrants
2.native born
3.citizen
4.quotas
5.census
6.naturalization

Answer:

1) immigrant

2) citizen

3) native born-citizen

4) quotas

5) census

6) birth rate

Step-by-step explanation:

..

8 in.
4 in.
10 in.
1
The area of the trapezoid is
square inches

Answers

Answer:

71

Step-by-step explanation:

i just want to ask a question sorry for not being helpful

please help!! need it fast, will give brainliest!! and pls show work !!

Find the measure of angle AEB

please help!! need it fast, will give brainliest!! and pls show work !!Find the measure of angle AEB

Answers

Answer:

An acute angle

Step-by-step explanation:

An acute angle is smaller than an obtuse ad right angle.

hope this helps and hope it was right 'cause I really don't know what you meant. :)

Growth was wortj $42 at tje beggining of the day. event every hour stock goes down by 15%

Answers

The exponential function that represents this situation is f(x) = 42 * (0.85)ˣ

Writing the exponential function that represents this situation.

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

Inital growth, a = 42

Rate of decrease, r = 15%

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

The function of the situation is

f(x) = a * (1 - r)ˣ

Substitute the known values in the above equation, so, we have the following representation

f(x) = 42 * (1 - 15%)ˣ

So, we have

f(x) = 42 * (0.85)ˣ

Hence, the function is f(x) = 42 * (0.85)ˣ

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Question

Growth was worth $42 at tje beggining of the day. event every hour stock goes down by 15%. Write the exponential function that represents this situation.

Which of the following is a proportion?

Which of the following is a proportion?

Answers

Answer:

the first one

Step-by-step explanation:

because 4/6=2/3

2/3=6/9

so 4/6=6/9

find the values of x and y in the following triangle

find the values of x and y in the following triangle

Answers

y is 88° and x is 42°
This is because a straight line is 180° so 180-92 is 88 which is Y
Once you have this, you add 50 and 88 to get 138 and a triangle is equal to 180° so 180-138 is 42
hope this helped :)

i need help in thisn please

here is the picture

i need help in thisn please here is the picture

Answers

The required answers are,

(f o g) (-4) = -14

(g o f) (-4) = 58

What is function?

A function is a connection between a variety of inputs and outputs. A function is, to describe it simply, a relationship between inputs in which each input is connected to exactly one output.There is a range, codomain, and domain for every function. A function is usually referred to as f(x), where x is the input.

In the given question ,

f(x) = \(x^2-9x\)   and    g(x) = x+6

(a). (f o g)(-4)

\(=(x+6)^2-9(x+6)\\\\=(-4+6)^2-9(-4+6)\\\\=(2)^2-9(2)\\\\=4-18\\\\=-14\)

(b). (g o f)(-4)

\(=(x^2-9x)+6\\\\={(-4)^2-9(-4)}+6\\\\=16+36+6\\\\=58\)

The required answers are -14 and 58.

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Using trial and improvement, find the solution between 3 and 4 for the following equation: 2 x 3 − x 2 = 100 Give your answer rounded to 1 DP.

Answers

The solution is, After decreasing £16870 by 3% we get, £16363.90.

Here, we have,

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".

First, find the percentage of £16870 by 3%

%value = 3% * 16870

           = (3 / 100) * 16870

           = 506.1

Now, just minus with actual value

New value = actual value - %value

We know, actual value = £16870 and %value = 506.1

so, New value = 16870 - 506.1

we get, New value = £16363.90

Therefore, After decreasing £16870 by 3% we get, £16363.90

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complete question:

Decrease £16870 by 3%

Give your answer rounded to 2 DP.

1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 QUESTION 1 [24] Gavin Pillay is employed at Maritzburg Engineering, a Steel manufacturing company in Pietermaritzburg. Below is a copy of his Payslip. 1. 3201 Company Maritzburg Engineering cc 21 Halsted Road Pietermaritzburg Employment No 105 Id Number Income Basic Salary Overtime M Gross Salary Maritzburg Engineering cc Employee Name Gavin Pillay Period 31/05/2023 Sex Male 790128514088 R8700 R1200 A Status Married Deductions PAYE UIF Total Deductions Net Pay 1200 87 B C Name the Employee? What does UIF stand for? Show by calculation that the UIF paid by Gavin is calculated correctly Which month is this Payslip for? Calculate the missing values A to C How old is Gavin this year? Give the address of Gavin's work place. Gavin would like to contribute towards a Pension fund (7,5% of his Basic Salary). H would this affect his net salary?​

Answers

If Gavin contributes towards a Pension fund (7,5% of his Basic Salary), then his net salary will be reduced by the amount he contributed towards pension fund i.e. R652.5.

1.1 Name of employee is Gavin Pillay. 1.2 UIF stands for Unemployment Insurance Fund. UIF is a benefit to provide short-term relief to workers who lose their jobs, or can't work due to illness, maternity or adoption leave. 1.3 The UIF paid by Gavin is calculated correctly.

Firstly, we need to calculate Gross Salary of Gavin, which is given as: Basic Salary + Overtime + M = R8700 + R1200 + R3201 = R13101Then, calculate total deductions from gross salary.

Total Deductions = PAYE + UIF = R1200 + 87 = R1287Hence, Gavin's net salary = Gross salary - Total Deductions = R13101 - R1287 = R11814Therefore, UIF paid by Gavin is calculated correctly as R87.1.4 This payslip is for the month of May i.e.

31/05/2023.1.5 Basic salary of Gavin = R8700. Deduct 7.5% of his basic salary to calculate his pension fund contribution. Pension Fund Contribution = 7.5/100 x R8700 = R652.5.1.6

Total deductions of Gavin includes PAYE, UIF and pension fund contribution.

Therefore, Total Deductions = PAYE + UIF + Pension Fund Contribution = R1200 + R87 + R652.5 = R1939.5.1.7

Gavin's age can not be determined as his date of birth is not provided.1.8 Address of Gavin's workplace is 21 Halsted Road, Pietermaritzburg?

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find a polynomial function with the leading coefficient one or negative 1 that has the given zeros multiplicity and degrees 01 multiplicity to 03 multiplicity to degree 4​

Answers

The function is negative for since the leading coefficient is positive and the highest degree is odd (9) (-inf, -6).

Find a polynomial function ?

The function is negative for since the leading coefficient is positive and the highest degree is odd (9) (-inf, -6).

It then crosses the -6 root to turn positive until it again crosses the -2 root.

(It crosses because the odd multiplicity of both roots)

The function remains negative from -2 until root 4, where it crosses into the positive, where it does not cross since there is an even multiplicity.

In light of the aforementioned, only the first option makes sense. because the leading coefficient is positive and the highest degree is odd (9) the function is negative for (-inf, -6).

Then it crosses the -6 root to become positive until it crosses again the root -2.

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if a line cuts the y-axis aty=-6 and the slope of the line is-10, find the equation of the line.

Answers

Answer:

y = -10x -6

Step-by-step explanation:

This is a net of a square pyramid.

What is the surface area, in square centimeters, of the square pyramid?

This is a net of a square pyramid.What is the surface area, in square centimeters, of the square pyramid?

Answers

Answer:

120cm

Step-by-step explanation:

The surface area of the square pyramid is 127.4 square centimeters

What is Three dimensional shape?

A three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

The given figure is a square pyramid

The formula to find surface area = a²+2a√a²/4+h²

a is the base edge length and h is the height

a is 6 cm and h is 7 cm

Surface area =  6²+2(6)√6²/4+7²

=36+12√36/4+49

=127.4 square centimeters

Hence, the surface area of the square pyramid is 127.4 square centimeters

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