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Strike441 [17]
3 years ago
14

Suppose that x and y vary inversely, and x = 2 when y = 9. Write the function that models the inverse variation

Mathematics
1 answer:
stiv31 [10]3 years ago
4 0

Answer: 18/3 or 6

Step-by-step explanation:

y= x/k

​[as y various inversaly with x]

y=9;x=2

k=yx=9×2

k=18

y= x/18

​

when x=3 y= 18/3

​

y=6

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Read 2 more answers
Solve the following simultaneous equations : with the help of steps<br>1. x + 2y = 1, 3x - y = 17​
IRISSAK [1]

Answer:

x = 5, y = -2

Step-by-step explanation:

<u>Given equations:</u>

  • x + 2y = 1
  • 3x - y = 17​

<u>From the first equation we get:</u>

  • x = 1 -2y

<u>Substitute x in the second equation, find y:</u>

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  • 3*(1-2y) - y = 17
  • 3 - 6y - y = 17
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  • x = 1 + 4
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