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
It is found that 5 out of every 8 college students like algebra. If a certain college has 4,000 students, how many of them like
solniwko [45]
5 out of 8 turned into a fraction is 5/8. 5/8 turned into a percentage is 62.5%. 62.5% of 4,000 is 2,500. 2,500 students in the college like algebra.
Hope this helped.
3 0
3 years ago
Read 2 more answers
This problem really confuses me, help?
OLga [1]
So k in the first problem would =1/2
and i guess in the second problem just put k in place of the first space and in the second space put 8 for x. y would then =4. Idk if I did this right, though, I'm honestly a little confused too.
3 0
3 years ago
Read 2 more answers
Which equation represents a proportional relationship? A) y = 3x 4 B) y = 3 4x C) y = 3x 4 + 1 D) y = 3 4x + 1
lesantik [10]

Answer:

A. y = 3x/4

Step-by-step explanation:

 a proportional relationship between x and y is a straight line passing through the origin (0, 0).

The equation must be in the form y = kx.

y = 3x/4

y = 3/4x

8 0
3 years ago
PLS HELP ME! I DONT KNOW WHAT TO DO FOR THIS
kotykmax [81]

Answer:

Step-by-step explanation:

subtract llol

first 1

x .   y

1 .    2

3 .   4   rewrite =y/x

2-4/1-3

-2/2=-1

do for the rest bye

8 0
3 years ago
Read 2 more answers
Answer : 1 x 1 = 1 1 x 2 = 2
Flauer [41]

Answer:

Thanks

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Amy purchased 17 pencils and 18 pens for a fund-raiser at school and spent $61.50. Jocelyn purchased 10 pencils and 21 pens and
    14·1 answer
  • Please show the steps taken to complete the problem
    12·1 answer
  • in 2010 , a city's population was 55,210 and it was declining at a rate of 1.09% each year. which is the best prediction for whe
    13·1 answer
  • Which best explains whether a triangle with side lengths 2in , 5in , 4in. is an acute triangle
    5·1 answer
  • Given: SR bisects angle TSQ angle T is congruent to angle Q prove: triangle RTS is congruent to RQS
    12·1 answer
  • To form
    7·1 answer
  • Can someone please tell me what is 80% of 40.
    11·2 answers
  • If an relationship is proportional what is the missing value from the table?​
    15·1 answer
  • Which expressions are equivalent to -4(3d-2)-7
    8·2 answers
  • Please help answer all the question and i will mark brainlest answer when I get the chance thx!!!!!!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!