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
madam [21]
3 years ago
8

4x^2 + kxy - 9y^2 How to solve for k?

Mathematics
1 answer:
Len [333]3 years ago
3 0
-kxy=4x^2-9y^2
-kx=(4x^2/y)-9y
-k=4x/y-9y
k=-4x/y+9y
You might be interested in
Which expression is equivalent to 9+8 xn?<br> 0 72n<br> O 9 + 8n<br> 17 xn<br> 0 9x (8 + n)
Margaret [11]

Answer:

17xn

Step-by-step explanation:

7 0
3 years ago
What is the decimal equivalent of 7/12?
prisoha [69]

Answer:

0.5833333.......

Step-by-step explanation:

All you have to do is divide 7 by 12. The fraction 7/12 is equal to 7 ÷ 12.

7 ÷ 12 = 0.583... (repeating 3)

Or if you round, you have 0.58.

6 0
3 years ago
Read 2 more answers
suppose that a country has approximately 3,900 cellular phones per 1000 people express the number of phones per person as a whol
slavikrds [6]

Answer:

40,0000000000000000000

7 0
3 years ago
Electricity. The current I in an electric circuit varies inversely with the resistance R. If a current of 60 amperes is
Irina18 [472]
Bbbhh. Cxfvvcgyiiknbvfds21111
3 0
3 years ago
How do I solve 5/9x + 1/6 = -3/4
joja [24]
Hope this helps but I think the answer is -33/20 which simplifies to -1  13/20
6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the equation of a line that passes through (4, 3) and has a slope of 2?
    10·1 answer
  • A circular picture is 8 inches in diameter.
    11·1 answer
  • If the instructions for a problem ask you to use the smallest possible domain to completely graph two periods of y=5 + 3cos 2(x-
    14·1 answer
  • Of the following is a true statement?
    15·2 answers
  • Find the length of AB
    8·1 answer
  • 50% of what number is 11.7
    13·1 answer
  • Tyler keeps red and blue marbles in the jar shown below.
    11·1 answer
  • A river is at -150 ft below sea level. A nearby mountain has an elevation of +1350 feet. If Tina hikes from the river to the top
    7·1 answer
  • WILL GIVE BRAINLIEST, NO LINKS<br><br> find the surface area.
    6·1 answer
  • Lindsay opened a lemonade stand on her street. It costs her $15.00 to buy the supplies each day, and she sells lemonade for $2.0
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!