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
lidiya [134]
3 years ago
8

What is the ratio 3:4 of 21?

Mathematics
2 answers:
docker41 [41]3 years ago
3 0

3-----4

3-----4

3-----4

Total (Left): 9

Total (Right): 12

-------------------

Total (Left) + Total (Right) = 9 + 12 = 21

dem82 [27]3 years ago
3 0
3+4=7
21/7=3
3*3=9
3*4=12
9:12
You might be interested in
A bag contains 36 marbles. 10 marbles are green, 6 marbles are blue, 18 marbles are yellow, and 2 marbles are purple.
alexdok [17]

Answer:

10/72 or 0.14

Step-by-step explanation:

There are 72 marbles in total and 10 of them are green. So, it is 10/72 or 1.388 rounded to the nearest hundredth is 0.14.

7 0
3 years ago
True or false: the standard deviation of a set of data values is never a negative number
Anestetic [448]
True I think !! Not to sure
8 0
3 years ago
The cost of cementing 30 m² of floor area is $810. How much will it
Y_Kistochka [10]

Answer:

The answer is 1485 m^2

Step-by-step explanation:

27 per m^2 so 27 times 55 = 1485 m^2

6 0
3 years ago
Read 2 more answers
If 15% of x is 42, what is x?
Blizzard [7]

Answer:

x=280

Step-by-step explanation:

We have, 15% × x = 42

or,

15

100

× x = 42

Multiplying both sides by 100 and dividing both sides by 15,

we have x = 42 ×

100

15

x = 280

If you are using a calculator, simply enter 42×100÷15, which will give you the answer.

6 0
3 years ago
Read 2 more answers
In 2000, the number of students enrolled at Arlington Country Day School was 823 students. In 2010, the population was approxima
vivado [14]
705 - 823 = -118

-118/823 = -0.143 = 14.3% decrease
5 0
3 years ago
Read 2 more answers
Other questions:
  • Suppose a random sample of 25 students is selected from a community college where the scores in the final exam (out of 125 point
    14·1 answer
  • The longest side of an eye cute isosceles triangle is 8 cm round to the nearest 10th what is the smallest possible length of one
    8·1 answer
  • Need Help
    5·2 answers
  • The graph of a line passes through the two points (-2, 1) and (2, 1). What is the equation of the line written in general form?
    9·1 answer
  • Chinedu sat down to do his homework, which included 30 math problems. He solved 2 problems each minute. Let f(n) be the number o
    11·1 answer
  • Of 120 hotel rooms rented one night, some were suites rented for $115 each and the rest were double rooms rented for $85 each. I
    11·1 answer
  • Which of the following statements is true?
    12·1 answer
  • Help me please akdjehwlsjn
    14·1 answer
  • Damon and Peter, who can paddle a canoe at 4 mi/hr in still water, took 8 hr to paddle 9 mi upstream and then return. What was t
    10·1 answer
  • F(x)=4x^(3)+6x^(2 )-3x-4 <br> g(x)=4x-3<br><br> Find (f - g) (x)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!