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
trasher [3.6K]
3 years ago
15

Find k so that the three equations 3x-y=2, 2x+8=3y, and y=kx have a common solution

Mathematics
1 answer:
andriy [413]3 years ago
8 0
2x+8=3kx (3k-2)x+8=0
3x-kx=2. (3-k)x-2=0
3k-2)x+10=3-k)x
4k-5=10/x
///////
3x-y-2=2x+8-3y
X+2y-10=0
X+2kx-10=0
K=(10-x)/2x
You might be interested in
How many nanoseconds are in 5 kiloseconds?
Zielflug [23.3K]

Answer:

5.0E + 12

Step-by-step explanation:

I don't do conversions but i tried my best to help

8 0
3 years ago
!!)
Arlecino [84]
There’s no circle :/ sorry
6 0
3 years ago
Two identical square pyramids were joined at their bases to form the composite figure below.
gulaghasi [49]
The answer is A!

Hope that helps

3 0
3 years ago
Read 2 more answers
Find missing side<br> help quick pls
Zigmanuir [339]

Answer:

7m

Step-by-step explanation:

18/6 = 3

24/8 = 3

21/x = 3

21/3 = 7

x = 7

6 0
3 years ago
Find the equation of this line.<br> Acellus
aalyn [17]

Answer:

Step-by-step explanation:

two points on the line are (-3,-2) and (5,4)

slope=(4+2)/(5+3)=6/8=3/4

eq. of line is

y+2=3/4 (x+3)

4y+8=3x+9

4y=3x+1

y=3/4 x+1/4

8 0
2 years ago
Other questions:
  • Which country had control of Mali?<br><br>Italy<br>Great Britain<br>Spain<br>France
    11·1 answer
  • Math help mee plzzzzzz
    7·1 answer
  • ............ pls help
    6·2 answers
  • Solve for the indicated variable. Include all of your work in your answer. Submit your solution.
    8·1 answer
  • What is 8 1/3×3 3/5×1 1/3
    15·1 answer
  • Hello me please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    8·2 answers
  • The product of a number and 9, increased by 4, is 58. Find the number
    11·2 answers
  • Giving brainlyist to the first person to answer correctly and having a complete answer.
    7·1 answer
  • Jon has 18 apple and mia gives him 3 times more than he has how many dose jon have know and how many did mia give jon
    13·1 answer
  • Which angle is a vertical angle with AngleEFD?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!