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
kirill115 [55]
2 years ago
15

Find the value of x in the triangle.

Mathematics
1 answer:
Vinvika [58]2 years ago
3 0

=  > 3x + 15 + 4x + 12 = 180 \\  =  > 7x + 27 = 180 \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  =  >  \: 7x = 180 - 27 = 153 \:  \:  \:  \:  \\ x =  \frac{153}{7} = 21  \\ x = 21

You might be interested in
Find the absolute value of 1 and - 1
AlekseyPX
The absolute value of BOTH of those numbers is ' 1 '.

==========================================

Oh !  Wait just a second.  Did you mean for the  1  and the  -1  to be combined
in some way  ?  If that's what you had in mind,  then you'll have to be more
specific.   "And" is no mathematical operation that I know of.
5 0
3 years ago
Read 2 more answers
To learn more, go to this website on public health C. Then answer the following question.
V125BC [204]

Answer:

Answers will vary but might address the following:

garbage disposal and recycling

sex education in schools

nutritious food supply in schools

5 0
3 years ago
-4 3/5 divided by 1 1/5 as a mixed number or simplified
WITCHER [35]
-23 over 5 ÷ 11 over 5
-23 × 5 over 5 × 5
-115 over 55


Therefore, your answer would be: -2 and 1 over 11
4 0
3 years ago
Read 2 more answers
-2/3(3x-9) = 15 please help
Lina20 [59]
Your answer would be x=-10.5

First distribute -2/3 to 3x and -9
-2x+6=15
Then subtract 6 from both sides
-2x=9
Divide both sides by -2
x=-4.5
6 0
3 years ago
Height versus age.
LenaWriter [7]
So basically the height is divided by a certain number to evenly divide it
8 0
3 years ago
Other questions:
  • Algebra TA UL 2019-2020
    14·1 answer
  • ¿Cuál fraccion es<br>equivalente al decimal 0.18?​
    7·1 answer
  • Need help with my school
    6·1 answer
  • Jan has three dimes In her pocket and nothing else. she takes one coin out of her pocket. what is the probability that the coin
    5·1 answer
  • Yucca Manor has sunny days for 80% of the year. If there are 365 days in a normal year, how many sunny days are there each year
    12·2 answers
  • An item is regularly priced at $90. It is on sale for 40% off the regular price. How much (in dollars) is discounted from the re
    9·1 answer
  • Y=x^2-2x-15. What is the vertex of the parabola?
    12·1 answer
  • Oque apresenta caracteristicas cultural<br>​
    11·1 answer
  • Would mind give me only answer​
    6·1 answer
  • 9.87x10^8 in standard form​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!