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
Marianna [84]
2 years ago
15

What is the value of a?​

Mathematics
2 answers:
kirill [66]2 years ago
6 0

Answer:

3.

Step-by-step explanation:

12a+20a+28a=180(sum of interior angle of a triangle )

or, 60a=180

or, a= 180/60

therefore ..... a=3

Leno4ka [110]2 years ago
5 0

Answer:

A=60

Step-by-step explanation:

Add 28+20+12

A=60

You might be interested in
The sum of 9 and twice a number
Marrrta [24]
9 + n = x ?
i'm guessing since there's no answer to what the sum is
4 0
3 years ago
Simplify (-343,000) 1/3
bixtya [17]
-343,000 x 1/3 = -114,333.333333333219
3 0
2 years ago
A points lies on AB and is 3/4 the distance from A to B. Point A is located at (5, 4) and point B is located at (10, 12)
kirza4 [7]

Answer:

The answer for this is D.

Step-by-step explanation:

The reason is that it tells you that is a 3/4 your distance point so you need to count from 3/4.

5 0
2 years ago
Find the value of 1 x in two parallel lines
Mazyrski [523]

Answer:

18

Step-by-step explanation:

4x + 5x = 180

10x = 180

x = 18

5 0
2 years ago
Read 2 more answers
Find the area if the sides are 48 feet by 75 feet. *
dusya [7]

Answer:

3,600 square ft

Step-by-step explanation:

Area = length x width

A = 75 x 48

A = 3,600 square ft

7 0
3 years ago
Read 2 more answers
Other questions:
  • How do you graph 2x-y=3
    9·2 answers
  • 308 students went on a field trip. Ten buses were filled and 8 students traveled in cars. How many students were in each bus ?
    9·2 answers
  • 4a-5b=24
    5·1 answer
  • Please answer quickly!!!!!
    6·2 answers
  • HELP ASAP GIVING BRAINLIST!!!!!!!!!!!!
    5·2 answers
  • A number N is greater than 3. Which of the following best represents the location of
    7·1 answer
  • you are renting a moving truck for a day. There is a dailyfee of $20 and a charge of $0.75 per mile. Your budget allows a maximu
    12·1 answer
  • Factor completely. <br>n² - 5n + 4​
    5·1 answer
  • 1) 8 bananas cost £4<br><br> Work out the cost of 5 bananas.
    14·1 answer
  • 48% of US adults have very little confidence in newspapers you randomly selected 10 US adults. Find the probability that the num
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!