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
s344n2d4d5 [400]
3 years ago
12

Each interior angle of the regular n-gon has a measure of 140

Mathematics
1 answer:
xeze [42]3 years ago
6 0
Sum of internal angles of any polygon is: (n-2)x180
So measure of an interior edge is ( ( n - 2 ) x 180 ) / n = 140
So 140n = 180n - 360
40n = 360
n = 9
So it's a nonagon.

Hope this helps :)
You might be interested in
Please help asap 30 pts
Sergio [31]

4w-2(1-w)=-38\qquad|\text{use distributive property}\\\\4w+(-2)(1)+(-2)(-w)=-38\\\\4w-2+2w=-38\qquad|\text{add 2 to both sides}\\\\4w+2w=-36\\\\6w=-36\qquad|\text{divide both sides by 6}\\\\\boxed{w=-6}

<h3>Answer: d. w = -6</h3>
4 0
3 years ago
I need help on this question
kherson [118]

Answer:

A

Step-by-step explanation:

Just put x = 80 and y = 210 into the equation...

or put x = 40, y = 90.

A:

210 - 90 = 3(80-40)

120 = 120√

B:

210 + 90 = 3(80+40)

300 = 360×

C:

210 - 90 = 2.6(80-40)

120 = 104×

D:

210 + 90 = 2.6(80+40)

300 = 312×

8 0
3 years ago
Using sigma notation write the geographic series: 6+12+24+48+96
Alika [10]

Answer:

$$\sum_{n=1}^{5} 6(2^{n-1}) $$

Step-by-step explanation:

6 + 12 + 24 + 48 + 96 =

= 6 + 6 * 2 + 6 * 4 + 6 * 8 + 6 * 16

= 6 + 6 * 2^2 + 6 * 2^2 + 6 * 2^3 + 6 * 2 * 4

= 6 * 2^(n - 1)

$$\sum_{n=1}^{5} 6(2^{n-1}) $$

4 0
3 years ago
Multiply. Write in simplest form. Help pls!! Tell me the answer no decimals needed just a fraction and simplified!! 2 3/5 x 3 7/
Lady bird [3.3K]

Answer:

10 3/40

Step-by-step explanation: hope i helped

7 0
2 years ago
Sally paid for a shirt costing her $18.50. It was on sale for 20% off. What was the original price?
Zinaida [17]

Answer:

14.8

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • Which of the following equations shows direct variations a) y= x/3 + 1 B) y= 3x c) Y=3/x
    9·1 answer
  • A pile driver falls freely from a height of 4.50 m above a pile. What is its velocity as it hits the pile? Remember to include y
    10·1 answer
  • It takes two hours for two machines to manufacture 10000 parts. If machine #1 can do the job in one hour less than machine #2, h
    13·1 answer
  • I need this one pls help 10 points question 4
    8·1 answer
  • Evaluate 3z- 3 when z=7<br><br> a 34<br> b 21<br> c 18
    8·2 answers
  • Miriam is going to the county fair. Each ride ticket costs $2 and admission costs $7. Miriam has $25 to spend at the fair.
    9·1 answer
  • Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. She placed the amounts into individual bowls. The fracti
    12·1 answer
  • On a number line, which fraction would is to the right of
    12·2 answers
  • Which is the graph of the linear equality x-2y&gt;-12?
    13·1 answer
  • What comes next in the following series?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!