Mathematics Middle School

In a regular polygon, the measure of an interior angle is 6.5 times the measure of an exterior angle. How many sides does the polygon have?

Answers

Answer 1

Answer:

15 sides

Step-by-step explanation:

Always the sum of interior angle and exterior angle = 180

Let the exterior angle = x

Interior angle = 6.5 *x = 6.5x

x + 6.5x = 180

7.5x = 180

     x = 180/7.5

     x = 24

Exterior angle = 24°

Sum of exterior angles of any polygon = 360

number of side = Sum of exterior angles ÷ measure of each exterior angle

                         = 360 ÷ 24

                        = 15

Related Questions

This is 10 points plz help ( NO LINKS )
( ONLY ANSWER THIS IF YOU HAVE AN EXPLANATION AND IF YOU KNOW WHAT THE ANSWER IS)

Answers

B.

3/4 is equal to .75 in decimal form.
5.75 = 5 & 3/4 in decimal form
B is the correct answer

The reason B is the right answer is because 3/4 of a quarter is 75 and if you change 0.75 into a fraction (75/100) and divide by 25 you have 3/4. So therefore the answer is 5 3/4km

Right answer i will give brainliest

Answers

Answer:

D

Step-by-step explanation:

Hope this helps :)

Please help me by solving the question attached to this question. This question has a lot of points.
If you saw one of my previous questions with words that did not make since my brother was using my account to post random questions so I am very sorry that I had to trouble you.

Answers

Answer:

2a. False, 2b. True, 2c. True. 2d. False

Step-by-step explanation:

I think, not 100% certain.

The graph shows that the distance a dog runs is proportional to the time the dog is running. You want to use only one plotted point to find the unit rate. Which of the three plotted points could you choose? Select all that apply.
0,0)

(1,8.4)

(3,25.2)

Answers

the answer is (1,8.4)

Answer the question in the picture plz

Answers

The answer is 10 i believe

True or false: There is a constant amount of carbon on Earth. Carbon cannot be made or destroyed. It can only move between different carbon reservoirs.

Answers

answer:

true Because Earth is a closed system, the amount of carbon on the planet never changes. However, the amount of carbon in a specific reservoir can change over time as carbon moves from one reservoir to another. For example, some carbon in the atmosphere might be captured by plants to make food during photosynthesis

A triangle is graphed on a coordinate plane, with a vertex located at a point represented by (x,y).

The triangle is dilated with a scale factor, a, with the origin as the center of dilation. The image of the triangle is smaller than the triangle.

Which statement is true?

The value of a is equal to 0.

The value of a is between 0 and 1.

The value of a is greater than 1.
The value of a is equal to 1.

Answers

The value of a is between 0 and 1.

The diagram shows the layout of the township playground. The playground committee is ordering rubber mulch to cover the playground surface.

A playground is made up of a rectangle and a triangle. The rectangle has a base of 40 feet and height of 25 feet. The triangle has a base of 22 feet and height of 20 feet.

One ton of mulch will cover 122 square feet at the needed depth. How many tons of mulch should the committee order?

The area of the rectangular section is
ft2.
The area of the triangular section is
ft2.
The total area of the playground is
ft2.
The committee should order
tons of mulch.

Answers

Step-by-step explanation:

Okay, so to figure out the area of a rectangle, the equation is base times height.

40*25=1000

So the area of the rectangle is 1000 square feet.

The formula for the area of a triangle is base times height divided by 2.

22*20=440

440/2=220

So the area of the triangle is 220 square feet.

Therefore, combining this, the total area of the playground is 1,220 square feet.

Since one ton of mulch covers 122 square feet, divide the total area of the playground by the amount 1 ton covers.

1220/122=10

You would need 10 tons of mulch to cover the playground.

a)The area of the rectangular section is 1000 ft2.

b)The area of the triangular section is 220 ft2.

c)The total area of the playground is 1220 ft2

d)The committee should order 10 tons of mulch.

What are the areas of a rectangle and a triangle?

The area of a rectangle is the product of length and breadth while the area of a triangle is the half of the product of the base and the height.

The area of the rectangular part = 40*25 =1000 square feet

The area of the triangular part = 0.5*22*20 =220 square feet

Total area to cover =1000+220 =1220 square feet

Given that 1 ton of mulch will cover 122 square feet

Or, 122 square feet area will be covered by= 1 ton of mulch

So, 1 square feet area will be covered by= (1/122) ton of mulch

So, 1220 square feet area will be covered by=(1/122)*1220 =10 tons of mulch.

Thus, a)The area of the rectangular section is 1000 ft2.

b)The area of the triangular section is 220 ft2.

c)The total area of the playground is 1220 ft2

d)The committee should order 10 tons of mulch.

To get more about plane areas visit:

https://brainly.com/question/25292087

HIII PLEASE PLEASE HELP

Answers

8. length is 4 feet

9. width is 8 inches

20. this one could be l=6 and w=8 or l=4 and w=12 because I don't know which side of the rectangle her garage is

I need answers. please help!!!

Answers

Answer:

C. 2.28 with the line

Step-by-step explanation:

Trust.

Answer:

this is defiantly a

Step-by-step explanation:

14÷5 is 2.8

2.28(with a line above) means the 8 doesn't stop so its 2.2888888888

and then there is 2.88

the first one equals 2.82842712475 when you find the square root of 8

Patrick plotted points A and B on the coordinates grid below.

Answers

Answer:

A(2,7)

B(-6,-1)

Step-by-step explanation:

so it’s basically going to be the one that said this.





explanation:

y=mx+b .

Please help me with this super easy fifth grade math problem. Make sure to follow the directions the question/file gives you. Please help me!!! I gave up 20 points for this. Help.

Answers

the group with 2 brothers will get a greater amount of apples. the 2 brothers have a greater amount of apples than the other three.

Help please I would be useful

Answers


Fraction Decimal Millimeters
3⁄4“ 0.75 19.05

Answer:

the ruler is on 3 1/4 just go down two tics/lines on the ruler, and you'll have 3 3/4 :)

Right answer i will give brainliest

Answers

Answer:

b. I think so?

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Find the volume of a sphere that has a diameter of 10 inches. Round your answers to the nearest tenth if necessary. Use 3.14 for pi.

Answers

Answer:

15.7 in.

Step-by-step explanation:

Diameter/2 times pi. and you get your answer.

Answer: 4188.8

Explanation: I just did this in class.

I need help with this question

2x + 1/2 = -5

Answers

Answer:

fraction: x=-11/4

or

decimal: x= -2.75

Step-by-step explanation:

This is how I was taught to do it

Identify whether this angle is acute, obtuse, right, or straight.

Answers

It obtuse because it’s over 90•

Write an equation to represent the sum modeled in the following number line.

Answers

Answer:

-6/4

Step-by-step explanation:

If the sales tax in Ohio is 8%, how much tax would you pay in Ohio for sports equipment that costs $400?

Answers

Answer:$50

Step-by-step explanation:

Answer:

$32

Step-by-step explanation:

8% x 400

Percentages finish the sentance

Answers

Answer:

20

Step-by-step explanation:

Plz give brainliest man I need it to level up ;(

Answer:

20

Step-by-step explanation:

There are 9 red, 6 blue, and green marbles in a bag.
A. How many marbles are in a bag?
B. What is the probability of a marble chosen at random will be blue?

Answers

15 marbles are in the bag
6 out of 15 is the possibility that a blue marble is chosen
15 marbles are in the bag
40% is the probability of a marble chosen at random will be blue

Aaliyah ran 100 meters in 30 seconds.
She then ran another 150 meters at a speed of 3 meters per second.
a. Find the total time taken by Aaliyah for the distance she ran.
b. Find Aaliyah’s average speed for the total distance she ran.
PLEASE ANSWER THIS CORRECTLY

Answers

Answer:

Part a= 30+50= 80 seconds

Part b= About 3.16 or 3.2 (if your rounding) meters per second

Step-by-step explanation:

I hope this is correct

Sorry if it isn’t

pls help me in this one

Answers

This answer is a. A is the only reasonable answer that makes sense
Yeah the answer is A

Robert wants to spend no more than $1,050 on his trip. The airfare is $450.
Write and solve an inequality to find the maximum amount he can spend
on the rest of his trip.

Answers

Answer:

1,050-450=600

The maximum he can spend is 600

X equals less then or equal to 600

Step-by-step explanation:

40 points please help
don't waste my points

Answers

Answer:

1. 48°

2. (may be wrong) 42°

3. 109°

4. 30°

9. 180°

10. (may be wrong) 21°

11. 70°

12. 61°

Sheeeeesh y’all are smart bro

a right triangular prism has a volume of 48 cubic units. Find it’s new volume if two of its dimensions were tripled and a third dimension was halved.

Answers

Answer:

72

Step-by-step explanation:

If you wouldn't mind giving me brainliest, i'm just trying to rank up.

What is the measure of angle x?

Enter your answer in the box.

Answers

It's 43

A right angle is 90 degrees

90-47=43
43 because 47+90=137 180-137=43

PLLSS HELP MEEE ASAPPP!!!!
A veterinarian divided 2/3 of a bottle of medicine equally among some sick cats. She gave each cat 1/3 of a bottle of medicine. How many sick cats were there?

Answers

Answer:

2 cats im pretty sure if you think about it you can divide 3/3 by 3cats and they use 2/3 of a bottle and where they give 1/3 to a cat it has to be 2 cats.

I think it is 2 because 1/3 times 2 is 2/3

2x5-2^2+1. How would you solve it?

Answers

Answer:

The answer would be 7

Step-by-step explanation:

2x5-2^2+1

=10-4+1

=7

PLEASE HELLLLP!!!!!!!!!!!!
When we divide a number by 7, we get a result greater than 14. Write the inequality and use n as the variable.

Answers

Answer:

n/7 > 14

Step-by-step explanation:

N/7>14. Hope this helps
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