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
Anarel [89]
3 years ago
9

A is directly proportional to x and inversely proportional to y. If A=20 when x=6 and y=9, what is the value of A when x=9 and y

=6?
A) 1/20
B) 30
C) 45
D) 60
Mathematics
1 answer:
cupoosta [38]3 years ago
8 0

A=45

A=kx/y

where k is constant

substituting the values for k

k= 20×9/6=30

when x=9, y=6

A= 30×9/6=45

You might be interested in
Find part "b". (fillertextfillertextfillertext)
mr_godi [17]
Umm...is there more information you can give me in order to solve this problem...lol there isn't enough information
6 0
2 years ago
Read 2 more answers
PLEASE HELP ME ID REALLY APPRECIATE IT:)
wlad13 [49]
Each term is formed from the last by adding 3/8

The second option is correct
8 0
3 years ago
Read 2 more answers
I'm having trouble with this<br><br> -9x + 4y = 55<br> -11x + 7y = 82
lubasha [3.4K]

Answer:

Step-by-step explanation:

99x - 44y = -605

-99x + 63y = 738

19y = 133

y = 7

-9x + 28 = 55

-9x = 27

x = -3

(-3, 7)

7 0
3 years ago
Read 2 more answers
A quadrilateral has exactly 2 congruent sides. Which quadrilateral types could it be? Which quadrilateral could it not be?
PtichkaEL [24]
It could be square, rectangle, parallelogram, rhombus/diamond but, trapezoid could not be.
4 0
3 years ago
I need help with this please​
finlep [7]

like i said the ? would be a 5

5 0
2 years ago
Other questions:
  • Let A, B R be non-empty sets. Suppose that A B. Suppose that B has a least upper bound. Prove that A has a least upper bound, an
    6·1 answer
  • You estimate that a baby guinea pig weighs 3.5 ounces. The actual weight of the baby guinea pig is 3 ounces. Find the percent er
    11·1 answer
  • Starlin's goal is to spend less than $415 on a trip. So far, he has spent $25 on gas for his car. He will spend $100 each day on
    14·1 answer
  • Simplify the expression so there is only one positive power for each base. ​
    6·1 answer
  • **URGENT**
    5·1 answer
  • Thanks for all the help
    9·1 answer
  • Solve e^x = e^2x + 5.
    12·1 answer
  • A jar has one red, one orange, one yellow, one green, one blue, and one purple marble in it. Wha
    11·1 answer
  • What is the Celsius temperature for 144 degrees Kelvin
    13·2 answers
  • Write this equation of a line in point slope form: slope 1/2; (3, -1)
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!