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
amid [387]
2 years ago
13

Unknown angle problems (with algebra)

Mathematics
1 answer:
luda_lava [24]2 years ago
6 0

Answer:

x = 20

Step-by-step explanation:

100 + 3x + x = 180

100 + 4x = 180

- 100          -100

4x = 80

÷4   ÷4

x = 20

360° is a full circle, and since this is half you set the numbers equal to 180°

I hope this helps!

You might be interested in
Help!!! Please Answer
adell [148]

Answer:

d sorry if I'm wrong...

6 0
3 years ago
A computer monitor is listed as being 17 inches. This is the diagonal across the screen. If the screen measures 10 inches in hei
Aneli [31]

diagonal = sqrt(l^ + w^2)

17 = sqrt(10^2 + x^2)

17^2 = 10^2 + x^2

289 = 100 + x^2

189 = x^2

x = sqrt(189) = 13.747

X = 13.75

 width is 13.75 inches

3 0
3 years ago
A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33 s
cestrela7 [59]
The answer is B)0.4 because four of the ten stores that were surveyed were compliant so the proportion of the entire population of stores that would be compliant is <span>410</span> or 0.4<span> </span>
3 0
4 years ago
Calculate the breadth of the cuboid if the volume is 18 cubic cm. The height is 2cm and width is 6 cm
Fantom [35]
The answer is 10 .......

4 0
4 years ago
A recipe for fruit punch calls for 8 cups of Sprite for every 12 cups of fruit juice. Which equation can be used to find x, the
Nikolay [14]

Answer:

It would be 1/3

Step-by-step explanation:

3 0
4 years ago
Other questions:
  • Economists predict that Americans will spend $1,180 on Summer Vacation in 2015, this is up 5.6% from 2014. What did Americans sp
    7·1 answer
  • Which is a factor of 24x2 − 44x + 12
    7·2 answers
  • write the equation of a line that is perpendicular to the given line and that passes through the given point. y-4=5/2(x+3) ; (-7
    5·2 answers
  • enter your answer and show all the steps that you use to solve this problem in the space provided. if x+3/3 = y+2/2, then x/3 =
    10·1 answer
  • Given AABC with vertices A(-3,3), B(2,4), and C(3,-1), what is the area of ABC?
    10·1 answer
  • the mean raduis of earth is 6371.0 kilometers and the mean radius of earth moon is 1737.5 kilometers what is the approximate dif
    14·1 answer
  • Help me plz I need it I'm very desperate help
    11·2 answers
  • What ordered pair is represented by the plotted point?
    6·2 answers
  • The heights of two similar cylinders are 3cm and 4cm respectively. The total area of the bigger cylinder is 400cm².Calculate the
    8·1 answer
  • 3a+b=225 b=a-15 first step
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!