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
Thepotemich [5.8K]
4 years ago
11

Three-sevenths of a number is 21. Find the number

Mathematics
1 answer:
Neporo4naja [7]4 years ago
6 0
Let x = the unknown number.
Because three-sevenths of the number is 21, therefore
(3/7)x = 21

That is
(3x)/7 = 21

Multiply each side by 7.
3x = 21*7 = 147

Divide each side by 3.
x = 147/3 = 49

Answer:  49
You might be interested in
Help on this please i need help so much
attashe74 [19]
The correct answer for each is
a= 390.8
b= 136.8
7 0
3 years ago
Read 2 more answers
You are choosing a CD from your friend’s music collection. You can choose 1 of 4 country CDs, 1 of 3 soul CDs, or 1 of 5 pop CDs
Dima020 [189]
The answer is 12 i have answered a question just like dis disrigard the 1 and the genres just add the total number of cds
7 0
3 years ago
Read 2 more answers
Find the Area of RQP
zhannawk [14.2K]

Answer: 25 units squared

Step-by-step explanation:

Draw a line down from p and go right connecting to r. The units there are equal to the ones on the triangle you were given. 5 horizontally and 10 vertically. 5 times 10 is 50 divided by 2

3 0
3 years ago
Find the product. 3,950 * 5
Vanyuwa [196]

Answer:

19750

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
10+20= answer and explanation please​
kap26 [50]

Answer:is 30

Step-by-step explanation:

So u can say 5+5=10, well if the answer is 10 then 10+10= 20 and then if u add 10 to 20 you will get 30

4 0
3 years ago
Other questions:
  • Jim bought 2 packs of batteries from a store. The price of each pack was the same. After he bought the batteries, his account ba
    11·2 answers
  • Find the value of h
    15·1 answer
  • If 20 is 40% of a value, what is that value?
    14·2 answers
  • The mathematical theory that explores the consequences of making the allocation of units to treatments by means of some random m
    15·1 answer
  • Safety regulations require that the time between airplane takeoffs (on the same runway) will be at least 2 minutes. When taking
    9·1 answer
  • Write an expression for the area of square 4 by combining the areas of the four triangles and the two squares.
    10·1 answer
  • Question 14 (5 points)
    13·1 answer
  • What is 16+2 and 18-3 and 2*3?
    8·1 answer
  • Pancakewoman33<br><br>lets continue talking here​
    10·2 answers
  • Which of the following fractions can be represented by a terminating decimal?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!