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
Helga [31]
2 years ago
7

LOOKING FOR BRAINIEST?

Mathematics
1 answer:
jeka57 [31]2 years ago
6 0

Answer:

x = 8

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 given angles and equate to 180

13x - 8 + 7x + 4 + 3x = 180 , simplify left side

23x - 4 = 180 ( add 4 to both sides )

23x = 184 ( divide both sides by 23 )

x = 8

You might be interested in
In standard form, the number 72105.4 is written as 7.21054 × 10n where n is equal to ________.
mafiozo [28]

Answer: n = 4

Step-by-step explanation:

n is always equal to the number of times 10 could be raised to so as to make a total of the number in question.

6 0
3 years ago
The ratio of the price of a used washer to a new one is 1:3.if a new washer costs $720,how much could you resell it used?
Keith_Richards [23]

Answer:

You could resell it for $240.

Step-by-step explanation:

6 0
3 years ago
Alana ate breakfast at a restaurant. The bill came to $79.75. If she left 20% tip, how much was the tip?
Lana71 [14]
$79.75*0.2= 15.95
$79.75-15.95= $63.80
63.80+15.95= $79.75

Answer= $15.95
3 0
3 years ago
What is the value of x in 3x-9
julsineya [31]

Answer:

x could be anything. you have to have a equation to solve for x.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Combine like terms to create an equivalent expression.<br>-5.8c+4.2-3.1+1.4c​
ohaa [14]

Answer: I got

-4.4c+1.1

5 0
3 years ago
Other questions:
  • PLEASE HELP im dying over here
    13·1 answer
  • In a sample of 8 high school students, they spent an average of 28.8 hours each week doing sports with a sample standard deviati
    10·1 answer
  • Latrell has $8 to spend on postcards. He wants to buy one large postcard and some small ones. Write and solve an inequality to d
    13·1 answer
  • Find the lengths of DE and EF. Note: Segments BC and DF are parallel.
    9·2 answers
  • The box plots show the summer temperatures, in degrees Fahrenheit, in two cities.
    14·1 answer
  • A person has eaten 2/5 of a cake. When his family comes he wants to split it even with 10 people. How much of the cake will each
    11·2 answers
  • Which function is shown in the graph below?
    9·1 answer
  • Find the sum of the measures of the exterior angles of a 52-gon.
    7·1 answer
  • A polynomial p has zeros when x = 5, x = -1, and x = -1/4
    15·2 answers
  • 10 times 250+45<br>NEED ANSWER ASAP. WILL MARK AS BRAINLEST!​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!