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
Kitty [74]
4 years ago
15

If a certain number is multiplied by five, the result is the same as twenty-one plus twice the original number. What is the valu

e of the original number?
Mathematics
2 answers:
expeople1 [14]4 years ago
6 0
7
7 times 5 = 35
21 + 14 (7*2) = 35
Zepler [3.9K]4 years ago
4 0
Let the number be x

a.t.g.c
            5x = 21+ 2x
            5x-2x = 21
            3x    =   21
             
             x    =   21/3
    
             x    =   7      give me brainliest
You might be interested in
Mackenzie ran the olympic marathon of 26 1/5 miles in a time of 5 4/5 hours. How far did she run in a 1 hour?​
padilas [110]

Answer:

Step-by-step explanation:

v=d/t (average velocity equals distance divided by time)

26.2mi/5.8h=4.5mi/h

So Mackenzie runs approximately 4.5 miles in an hour (rounded to nearest tenth of a mile)

8 0
3 years ago
PLEASE ANSWER ASAP! NO EXPLANATION NEEDED!
adell [148]

Answer:

3/5

Step-by-step explanation:

you said I didn't need an explanation

5 0
3 years ago
Read 2 more answers
A bike road race starts at an elevation of 920 feet and passes through 5 stages where the elevation changes by -559 feet, -100 f
Alenkasestr [34]
920 +(-559) +(-100) +(-441) +(175) +(-139)
=-144

The answer is E
7 0
3 years ago
A bag has 4 Green marbles, 3 Red marbles, and 3 Yellow marbles. what is the probability that you pick a red marble, do not repla
Arte-miy333 [17]
Your probability is a 30% chance of picking up a red marble then when getting a yellow one you have a 33.3% and so on of 3s chance of picking a yellow one 

very low in my opinion 

:D
3 0
4 years ago
Help fast pleaseeeee
9966 [12]

we will find the area of triangle with sides 5y,6y and 9y using herons formula

8 0
3 years ago
Other questions:
  • The cable is being used to lift a 2lb leaky bucket that is initially filled with 30 lb of water. When the bucket reaches the top
    12·1 answer
  • Molly has biweekly gross earnings of $839.52. By claiming 1 more withholding allowance, Molly would have $16 more in her take ho
    13·1 answer
  • Solve the system of linear equations below.
    9·1 answer
  • Forms of money in the United States consist of paper money, coins, and _____.
    6·2 answers
  • Simplify: 4x-5y -2y+x
    9·1 answer
  • Someone that could help me with this?
    15·1 answer
  • Perry traveled at an average speed of 55 miles per hour for 3.5 hours and then traveled at an average speed of 60 miles per hour
    11·1 answer
  • Reggie wants to save $86.10. He plans to save $10.25 each month.
    8·2 answers
  • WILL GIVE 100 POINTS AND BRAINLIEST! Prove that the square of the second number out of three consecutive odd numbers is four gre
    10·2 answers
  • 10 - (5 3/4 - 1 5/6) =
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!