1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Flura [38]
3 years ago
8

Can somebody please help me with this.!

Mathematics
2 answers:
choli [55]3 years ago
7 0
An easier way to do this is to look at the number of sides (9) and subtract it by 2 (7). Then you can just multiply that number by 180
this works for every polygon
densk [106]3 years ago
6 0

Answer:

1260

Step-by-step explanation:

First you will need to find the amount of sides of the polygon:

(After looking it is 9)

Each angle of the side of a nonagon is 140 degrees.

Multiply by 9 since you can make 9 triangles:

140 x 9 = 1260

You might be interested in
4(2-3x)+2=38-2x <br> I need help asap
Monica [59]

Answer:

= −14/5

Step-by-step explanation:

= − 14/5 cause that's what I think it is also I solved it and this is what I got

4 0
4 years ago
Read 2 more answers
Find the product: <br><br> -2x(-y - 3x + 3)
cupoosta [38]

Answer:

=2xy+6x^2-6x

Step-by-step explanation:

-2x\left(-y-3x+3\right)\\\mathrm{Distribute\:parentheses}\\=\left(-2x\right)\left(-y\right)+\left(-2x\right)\left(-3x\right)+\left(-2x\right)\cdot \:3\\\mathrm{Apply\:minus-plus\:rules}\\\left(-a\right)\left(-b\right)=ab,\:\:+\left(-a\right)=-a\\=2xy+2\cdot \:3xx-2\cdot \:3x\\\mathrm{Simplify}\:2xy+2\cdot \:3xx-2\cdot \:3x:\quad 2xy+6x^2-6x\\2xy+2\cdot \:3xx-2\cdot \:3x\\2\cdot \:3xx=6x^2\\2\cdot \:3x=6x\\=2xy+6x^2-6x

8 0
3 years ago
Read 2 more answers
Hannah weighed 7.2 pounds at birth. Her weight was recorded at each of her infant doctor visits. The records from her appointmen
olchik [2.2K]

So If Hannah weighed 7.2 lb at birth during the six months that are shown on the table hanna puts on 8.7 during those six months so if we’re estimating what her weight will be at her one year visit

8.7(what she put on during the six months)+ 15.9 (her weight now)= 24.6

Answer: I estimate she will weigh 24.6lb at her one year visit

Hope this helps

5 0
3 years ago
Solve by graphing 5x-2y=-10 3x+6y=66
agasfer [191]
5x-2y = -10
Multiply by 6
= 30x -12y=-60


3x+6y = 66
Multiply by 2

= 6x+12y = 132

So


30x-12y=-60
6x+12y=132

Add those variables

36x= 72
X= 2

This would help
5 0
3 years ago
Determine the stopping distance of a car with an initial speed of 29.97 m/s, a human reaction time of 1s, and an acceleration of
Rudik [331]

Answer:

5/18 m/s?

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • A train travels at an average speed of 18 m/s.
    5·1 answer
  • Joel made some muffins he gave 1/4 of the muffins to a neighbor. He took 3/8 of the muffins to school. What fraction of the muff
    5·1 answer
  • One of the angles formed by two intersecting lines measures 30°. What are the measures of the other three angles? i need help AS
    5·1 answer
  • Find one positive angle whose sine is negative 0.70.
    13·1 answer
  • Xavier's bowling average is 185.4 and Lola's average is 122.9. About how many times greater is Xavier's average than Lola's?
    7·2 answers
  • What is 13/24 as a percentage
    9·2 answers
  • Solve 4z+6v=124z+6v=12 for vv
    9·1 answer
  • PLZZZ help with this its pretty simple!
    5·1 answer
  • 19 - k = 4. <br><br><br><br><br>I need help​
    6·1 answer
  • Help!!!!!!!!!!!!!!!!!!!!!!!!!
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!