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
pogonyaev
3 years ago
7

Please can anyone solve 9n-10=4n+10

Mathematics
2 answers:
olasank [31]3 years ago
6 0
Yes

remember you can do anything to an equaiton as long as you do it to boh sides
ad try to get unknown to one side
9n-10=4n+10
minus 4n both sides
9n-4n-10=4n-4n+10
5n-10=0+10
add 10
5n+10-10=0+10+10
5n+0=20
5n=20
divide both sies by 5
5n/5=20/5
5/5n=4
1n=4
n=4
sveticcg [70]3 years ago
4 0
9n-10=4n+10
+10           +10
9n=4n+20
-4n     -4n
5n =20
/5     /5
n=4
You might be interested in
Fiona uses 256 fluid ounces of juice to make 1 bowlof punch.how many fluid ounces of juice will she use to make 3 bowls of punch
Dafna1 [17]
You can multiply 256 by 3 to get your answer but the answer would be 768. If my answer is correct please make this a brainiest answer it would really help.
4 0
3 years ago
Which of the following has a positive value? sec (2pi/3) tan (2pi/3) cos (2pi/3) csc (2pi/3)
Darya [45]

Answer:  D) csc (2π/3)

<u>Step-by-step explanation:</u>

2π/3 is in Quadrant II

Quadrant II has a negative x-value and a positive y-value.

x-values are: cos & sec

y-values are: sin & csc

tan = y/x so will be negative in Quadrant II

A) sec = -

B) tan = -

C) cos = -

D) csc = +     this works!

7 0
3 years ago
Math 7 Grade 7
OleMash [197]
The conclusion is valid
it is a systematic random sample
and the second one is a line graph (I think)
8 0
3 years ago
Read 2 more answers
What makes the statement true? 7^-2=
Damm [24]
  <span>What makes the statement true?</span>7^-2= 0.0204081633
8 0
3 years ago
Read 2 more answers
What is the surface area of this square pyramid?
OLEGan [10]
240cm2 is the answer
3 0
2 years ago
Other questions:
  • Rachel, Mario and Sanjit share some money in the ratios 4 : 3 : 9 Mario receives £96. Work out the difference between the amount
    5·1 answer
  • Larry Mitchell invested part of his $23,000 advance at 3% annual simple interest and the rest at 7% annual simple interest.His t
    10·1 answer
  • Write 51% as a fraction then write the fraction as a decimal number.
    8·1 answer
  • When is an expression undefined? give an example.
    8·1 answer
  • Which triangle can be proven congruent to triangle ABC?
    14·2 answers
  • Can anyone please help me??? It’s for a test
    5·1 answer
  • 7200 divided by Y = 90 tutorial
    9·1 answer
  • A rectangular field has a length of x metres.
    14·1 answer
  • Help me out please?
    10·1 answer
  • SOMEONE, PLEASE SEND HELP
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!