What is the area of a regular nonagon if its apothem
has a length of 6 feet and each side has a length of
7.2 feet?

Answers

Answer 1

Answer:

194.4

Step-by-step explanation:

Formula for finding the area of any polygon :

number of sides (n) x 0.5 x length of sides (s) x apothem (a)

Area = 9 x 0.5 x 7.2 x 6 = 194.4

hope this helps :)


Related Questions

for 9-10 use the diagram

value of x?

if the circle is centered at point O, what is the measure of MON

Answers

[tex]\bold{ANSWER:}[/tex]
x = 25

[tex]\bold{SOLUTION:}[/tex]

help me find the value of x I will give BRAINLIEST HELP QUICK

Answers

Answer:

560

Step-by-step explanation:

If this isn't correct Im sorry I rushed it should be right but if not it should be close.

Which graph shows a negative slope and a positive y-intercept?

Answers

Answer:

The last one ( bottom left)

Step-by-step explanation:

negative slope means the line is going downwards

positive y intercept means the line hits the y axis on a positive number

Need help quick please! Find the surface area. Hint you will need to use Pythagorean theorem

Answers

Answer:

80

Step-by-step explanation:

First one to answer, i will mark brainlist

Answers

Answer:

Sides in descending order:  YZ > ZX > XY

Step-by-step explanation:

Sum of all angles of triangle = 180

    104 +52 +  ∠Z = 180

            156 + ∠Z = 180

                      ∠Z = 180 - 156

                      Z = 24

The sides opposite to the biggest is the longest side.

Angles in descending order: ∠X  >  ∠Y >  ∠Z

Sides in descending order:  YZ > ZX > XY

Find another angle

m<Z

180-(104+52)180-15624°

We know higher the angle measure higher the opposite side and vice-versa

Here

X>Y>Z

Hence

YZ>XZ>XY

A student used the equation below to create a table.
y=-3x - 5
The student used –2 as one of the values for the input. Which ordered pair could be taken from the table?
O (-11, -2)
O (-2,-11)
O (-2, 1)
O (1.-2)
Mark this and return
Save and Exit
Next
Submit

Answers

Answer:

second option -2, -11

Step-by-step explanation:

when you put -2 where x is then

y is -11

Calculate the values

Answers

Answer:

a=108;b=36;c=72

Step-by-step explanation:

Answer:

a = 108°

b = 36°

c = 72°

Step-by-step explanation:

Note : the sum of the interior angles of a regular pentagon = 540°

Then

The measure of one interior angle of a reg pentagon =540/5 = 108°

Therefore a = 108°

c = 180 - 108 = 72°

SRT is a new isosceles triangle then :

[tex]b=\frac{180-108}{2} = \frac{72}{2} =36[/tex]

Lance paid 6% sales tax on a $30 game. What is the total amount did Lance pay?

Answers

Answer:

The answer is attached.

y is directly proportional to the square root of x, y is 75 and x is 100. find a formula linking x and y

Answers

Answer:

y = 7.5[tex]\sqrt{x}[/tex]

Step-by-step explanation:

given y is directly proportional to [tex]\sqrt{x}[/tex] then the equation relating them is

y = k[tex]\sqrt{x}[/tex] ← k is the constant of proportion

to find k use the condition y = 75 , x = 100 , then

75 = k[tex]\sqrt{100}[/tex] = 10k ( divide both sides by 10 )

7.5 = k

y = 7.5[tex]\sqrt{x}[/tex] ← equation of proportion

Which term best describes the trend shown on the scatter plot below?
No trend
Negative Trend
Positive Trend

Answers

Answer:

Positive Trend

Step-by-step explanation:

As the y-values tend to increase with increase in x-values, we can consider this scatter plot to have a positive trend.

For questions 2 z 3. simplify each polynomial
2. 3x²+6-2x+5x-4x²+9
3. 2x²+6x-7x+8-3x²+1​

Answers

Answer:

2. [tex]-x^{2} +3x+15[/tex]

3. [tex]-x^{2} -x+9[/tex]

Step-by-step explanation:

We add like terms together to simplify

2.  3x²-4x²= -x²     -2x+5x= 3x  6+9= 15  all equal to -x²+3x+15

3.  2x²-3x²= -x²      6x-7x= -x    8+1=9      all equal to -x²-x+9

Solve for the variable:
√5-x= √6-x

Answers

Answer:

There are no solutions. this equation  seems wrong

Step-by-step explanation:

The catalog is advertising a stack of these cups that is 95 cm tall. Lori says, “That must be a misprint because a stack of that height is not possible.”



Do you agree or disagree with Lori? Explain your reasoning.

Answers

Answer:

in particular, the relationship between height of stack and number of cups yields a non-whole number of cups, corresponding to a height of 95 cm. In this context, that is not possible because we do not allow for parts of cups.

Step-by-step explanation:

It is possible for a stack of cups to be 95 cm tall depends on the size and shape of the cups and how they are stacked.

What is Area of Rectangle?

The area of Rectangle is length times of width.

Assuming the cups are all the same size and shape, the height of the stack would depend on the number of cups in the stack.

if each cup is 5 cm tall, a stack of 19 cups would be 95 cm tall (19 x 5 = 95).

If the cups are irregularly shaped or have varying sizes, it may be more difficult to stack them in a way that reaches 95 cm in height.

It is possible for a stack of cups to be 95 cm tall depends on the size and shape of the cups and how they are stacked.

It is possible for some stacks of cups to reach this height, but not necessarily all stacks of cups.

Hence, it is possible for a stack of cups to be 95 cm tall depends on the size and shape of the cups and how they are stacked.

To learn more on Rectangle click:

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Solve for x in the equation 3^2(x+3)÷8(x-4)=64÷2x

Answers

Answer:

Hope this helps, it was a hard equation... mark me brainliest

Step-by-step explanation:

9x+27÷8x-24=64÷2x

9x÷8x+3=64÷2x

9x÷8x*2x=61

x^3=244/9

x=

approximately  3.00411

Four friends are sharing 5 cups of lemonade. If they share the lemonade equally, how many cups will each friend get?

Answers

Answer:

each friend will get 5/4 or 1.25 cups of lemonade

Step-by-step explanation:

5 divide by 4 since there are 4 friends.

so 5/4 of the lemonade will be shared by each friend.

Step-by-step explanation:

each friend would get 1.25 cups each

Thomas found a box that had a volume of 150 in3. He measured the height of the box to be 2 inches and the length was 10 inches more than the width. What is the width of the box?

Answers

The width of the rectangular box with  volume of 150 cubic inches is: 5 inches.

What is the Volume of a Box?

Volume of a box = (length)(width)(height).

Given the following:

Volume of the box = 150 in.³Height = 2 in.Width = w in.Length = w + 10 in.

150 = (w + 10)(w)(2)

2w² + 20w - 150 = 0

Factorize

(w - 5)(w + 15) = 0

w = 5, w = -15

The width cannot be negative, therefore, the width of the box is: 5 inches.

Learn more about the volume of a box on:

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What is the area of the triangle given below?

Answers

Answer:

26

Step-by-step explanation:

Need help please answer ASAP!

Answers

#34.

If one's price be d

The expression is 20-2d

#35

20% means 0.2 or 2/10

So old area=150(100)=15000

New area increase

15000(2/10)=3000

New area

15000+3000=18000

Option C

#36

Prime numbers inbetween

2,3,5Probability=3/6=1/2

#37

3(x-2)=2x+63x-6=2x+6x=12

#38

1hr additional=1.5(2)=3$

Equation is

y=5+3x

So

12.5=5+3x7.5=3xx=2.5hours

Option A

Answer:

here i have tried 2 question hope it help u

Para hacer los laterales de una caja de madera de 40 cm de ancho, 40cm de largo y 35cm de altura, ¿que superficie de madera necesito?

Answers

Answer:

8800 cm^2

Step-by-step explanation:

superficie = [(40x40)x2] + [(40x35)x2] + [(40x35)x2]

s = (3200) + (2800) + (2800)

s = 8800 cm^2

The sum of three consecutive integers is 90. Find the integers. If the smallest integer is x, the equation will be. I NEED HELP PLS SOLVE THIS QUICKLY I BEG YOU.

Answers

Answer:

x = 29

Step-by-step explanation:

Take the smallest integer as x. The next one as (x+1) and the last one as (x+2)

x + (x+1) + (x+2) = 90

x + x + x + 3 = 90

3x = 87

x = 29

Hence, x = 29

Hope this helps out. Feel free to mark me as brainliest! :)


What is the measure of the base of the rectangle if the area
of the triangle is 32 ft2 ?

Answers

Answer:

it would be a

Step-by-step explanation:

8x4=32

The base of the given triangle is calculated as: 16 ft

How to find the area of a triangle?

The formula that is used to calculate the area of a triangle is expressed as:

Area of triangle= ½ × base × height

We are given that:

Area = 32 ft²

Height = 4 ft

Thus:

32 = ½ × base × 4

32 = 2 * base

base = 32/2

base = 16 ft

Read more about Area of Triangle at: https://brainly.com/question/17335144

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If sin = 2/5, what is csc ? (Answer must be in fraction form)

Answers

Answer:

csc x = [tex]\frac{5}{2}[/tex]

Step-by-step explanation:

using the identity

csc x = [tex]\frac{1}{sinx}[/tex]

then

csc x = [tex]\frac{1}{\frac{2}{5} }[/tex] = [tex]\frac{5}{2}[/tex]

How many balloons are in the air if there are 20 ballons and 5 pop how many are left

Answers

Answer:

15 balloons

Step-by-step explanation:

20 - 5 = 15

hope this helps:)

Answer:

15 ballons

Step-by-step explanation:



Martin takes a test that has five multiple choice questions. Each question has three possible
answers. If Martin guesses on each question, in how many different ways can he answer the
questions on the test?

Answers

Answer:

about 2/5 of the question probability lol

help plsls I’ll brainlist i promise this one’s abit confusing tho.

Answers

Answer:

25

Step-by-step explanation:

Please refer to the picture;

What is the percent change 3.9 to 0

Answers

Answer:

a decrease of 100%

Step-by-step explanation:

im not fully sure butni hope it helps

Work out
the area of this circle. Take
(Pi) to be
3.142 and give your answer to
2 decimal places.
11.2cm

Answers

If I’m guessing 11.2cm is the radius of the circle, your area would be 394.08cm squared. Have a good day

Which of the following pairs of numbers has 16 as their greatest common factor?


32, 48

32, 48

32, 62

32, 62

48, 36

48, 36

42, 16

42, 16

Answers

Answer:

32, and 48. This is the greatest factor of 16

Given 184% what is the equivalent fraction and decimal in simplest form?

Answers

Step-by-step explanation:

184% = 46/25 = 1 21/25 as a fraction

Find the area of a circle with a diameter of 14 meters. Round your answer to the nearest hundredth of a square meter.

Answers

To find the area of the circle:

 ⇒ need to know the formula: [tex]\pi r^{2}[/tex]

r: radius or half of diameter's length ⇒ 7 meters

Let's calculate:

 [tex]Area = \pi (7)^2=49\pi =153.9380m^3[/tex]

The problem asks us to round to the nearest hundreth:

[tex]Area = 153.94m^3[/tex]

Answer: [tex]153.94m^3[/tex]

Hope that helps!

 

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