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
scoundrel [369]
3 years ago
7

Please solve 21=5n-2(n-3)

Mathematics
2 answers:
Stella [2.4K]3 years ago
8 0

21 = 5n-2(n-3)

21 = 5n-2n+6

21-6 = 3n

n=15/3

n=5

grigory [225]3 years ago
3 0
5=n because you multiply -2 times n then -3 then you add -2n with 5n then subtract 6 from both sides and finally divide by 3
You might be interested in
Mia is 6.96672 × 106 minutes old. Convert her age to more appropriate units using years, months, and days. Assume a year has 365
oksian1 [2.3K]

Answer:

it would be 609.47

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Fill in the question mark ?5
timurjin [86]
I don't really understand your question , can you rephrase it ?

Do you mean ?5x7 = 455 ?
because then it would be :
455 divided by 7 which equals 65  :) 
7 0
3 years ago
Find the sum of -6/ab + a^2/b^2
Ymorist [56]

Answer:

\frac{1}{ab^{2} } (a³ - 6b)

Step-by-step explanation:

\frac{-6}{ab} + \frac{a^{2} }{b^{2} }

= \frac{-6b + a^{3} }{ab^{2} }

= \frac{1}{ab^{2} } (a³ - 6b)

4 0
3 years ago
Samuel bought a jacket for $16 in January. The cost of the jacket increased to $24 in September. What percent of the original pr
garri49 [273]
Write a proportion first, change over original, like this:
 8      x
16   100
(I got 8 because the difference between 24 and 16 is 8 and I got 100 because percents are out of 100.)
Cross multiply 8 by 100 and you get 800.
Divide 800 by 16 and you get 50.
It changed by 50%
6 0
4 years ago
Read 2 more answers
Help me out pretty please guys​
egoroff_w [7]
What do you need help with? There is no picture or anything so...
8 0
3 years ago
Other questions:
  • 1. Find the product (13 – x2)(x + 2).<br> -x3 - 2x2 + 13x + 26
    11·1 answer
  • A CD makes 58 1/2 revolutions in 3/4 min.
    5·2 answers
  • Round 644.4 to the nearest one.
    6·1 answer
  • If 24 is 60% of a value, what is the total value
    6·1 answer
  • What is -2 equals one -1/2×5
    5·1 answer
  • A chocolate factory made 369.84 pounds of milk chocolate in 2 days. How much milk chocolate, on average, did the factory make pe
    7·2 answers
  • Plz help thanks I really appreciate it
    6·2 answers
  • (-3)(5)(-5)(-4) thank you
    15·2 answers
  • A.100<br> B.34<br> C.112<br> D.29<br> E.90<br> F.58<br> G.68
    5·1 answer
  • What is the value of (4x2-10)/y when x=5 and y=6 <br> A. –15 <br> B. 10 <br> C. 15 <br> D. 20
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!