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
MrMuchimi
2 years ago
15

Please help on question 12 or 13 as soon as possible

Mathematics
1 answer:
Anna007 [38]2 years ago
3 0

Answer:

to know the summation of angles: (n-2)*180

here (n) represent numbers of sides

12)we have 5 sides (n=5)

(5-2)*180=540

x=540-(105+135+92+87)=121

13)we have 8 sides (n=8)

(8-2)*180=1080

x=1080-(116+158+141+124+136+132+129)=144

I hope it will help

You might be interested in
If the ratio of children to adults is 2:9 and there are 70 children at an arts festival, how many adults are in attendance?
nordsb [41]

Answer:

315

Step-by-step explanation:

If 70 children is 2 parts, one part is 35

35*9 is 315

6 0
2 years ago
Read 2 more answers
What is the answer to 7y 5y-5y?
Katena32 [7]
-17 would be the answer to this problem
3 0
3 years ago
Owen ate three-eighths of a pizza for lunch. For dinner, he ate two-thirds of what was left from lunch. How much of the whole
Step2247 [10]
Answer: 5/12 of the whole pizza

So we start we the whole pizza = 1
Then he ate 3/8:
1 - 3/8
And then 2/3 of what was left:
2/3(1 - 3/8)
2/3 - 1/4
8/12 - 3/12
5/12
8 0
3 years ago
5000 people attended a football game. 2350 of the people attending supported the home team, while 2650 supported the visiting te
Otrada [13]

Answer:

47%

2350 out of 5000=0.47

move the decimal 2 times

3 0
3 years ago
Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form.
Vladimir79 [104]

Answer:

a. T² - T¹ = d ( A. P) -5

b. T²/T¹ = r (G. P) 3/4

Step-by-step explanation:

a. 15 - 20 = -5

b. 15/20 = 3/4

4 0
3 years ago
Other questions:
  • Which number line shows the solution to the quality -3x -5 <-2
    5·1 answer
  • Find the volume 10 2/5 x 3 x 8 1/3
    14·2 answers
  • What is the degree of an angle in a regular heptagon
    5·1 answer
  • Over what interval is the function in this graph decreasing? ANYONE HELP ME PLEASE !!!)';
    6·1 answer
  • Find the equation of the line in slope-intercept form containing the points (4,6) and (9,16).
    14·1 answer
  • Solve using area model. need help with question a
    15·1 answer
  • Which statements best describe the dot plot or box plot? Check all that apply.
    10·1 answer
  • Can y'all help this math question ​
    7·1 answer
  • What is an equation of the line that passes through the point (1,-3) and is perpendicular to the line x+3y=21?
    12·1 answer
  • Solve the equation. Then check your solution.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!