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
densk [106]
3 years ago
11

Solve.

Mathematics
2 answers:
lions [1.4K]3 years ago
6 0

Answer:

b=9,a=12

Step-by-step explanation:

I solved by substitution:

b = 3/4a  ---> plug this into the other equation

a + b = 21   is now    a + 3/4a = 21

Reduce: 7/4a = 21

a = 12

Now solve for b:

b=3/4a is now b=3/4(12)

b=9

Setler [38]3 years ago
6 0

Answer:

a=12 b= 9

Step-by-step explanation:

did the quiz

You might be interested in
Yao's Asian Market sells dragon fruit for $3 each. The store usually sells 20 dragon fruits a week. Dragon fruit is in season, a
exis [7]
The quantity demanded would increase due to the cheaper price people would want to take advantage and buy it when it was on sale. There is not enough information to determine whether the supply or demand would maintain so D is your answer.

4 0
3 years ago
Which statement describe the decimal equivalent of 3/8
Darina [25.2K]

Answer:

Hi! The answer to your question is 0.375

Step-by-step explanation:

☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆

☆Brainliest is greatly appreciated!☆

Hope this helps!!

- Brooklynn Deka

4 0
2 years ago
What is the nth term rule of the linear sequence <br> 6,13,20,27,34?
Law Incorporation [45]

Answer:

62

Step-by-step explanation:

5 0
2 years ago
What is the decimal of 64/100
DENIUS [597]

Answer:

0.64

Step-by-step explanation:

Divide the numerator by the denominator. hope this helps! :))

6 0
3 years ago
Read 2 more answers
A machine can wrap 110 candies per minute. At this production rate, how many candies can the machine wrap in 15 minutes
Gala2k [10]

Answer:

1,650 candies

Step-by-step explanation:

rate: 110 candles per minute

time: 15 minutes

rate x time = work

110 x 15 = 1650

5 0
3 years ago
Read 2 more answers
Other questions:
  • The continuous change in position of an object relative to a point of reference is?
    9·1 answer
  • Please help. 20 points. Show all work. Thank you.
    13·1 answer
  • A certain​ country's postal service currently uses 6​-digit zip codes in most areas. how many zip codes are possible if there ar
    15·1 answer
  • in spencers garden the number of rose bushes is 7 less than 1.5 times the number of carnation bushes. If the number of carnation
    11·1 answer
  • The Siberian Husky is a medium dog, weighing between 16-27kg (35-60lbs). These dogs have strong pectoral and leg muscles, allowi
    6·2 answers
  • How do you find the area of this
    13·1 answer
  • Find the area.<br> 7 m<br> 4 m<br> 4<br> m<br> square meters
    13·2 answers
  • A restaurant sells burritos for $8.00 each. The cost of the meat is $1.50 and the cost of the
    6·1 answer
  • Using the Factor Theorem, which of the polynomial functions has the zeros 2, radical 3 , and negative radical 3 ?
    9·1 answer
  • KA- correct answers only, thanks!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!