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kenneyfamily Group Title

y varies jointly as x and z and inversely as the square of w. y = 3 when x = 3, z = 10, and w = 2. Find y when x = 4, z = 20, and w = 4.

  • 2 years ago
  • 2 years ago

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  1. kenneyfamily Group Title
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    @Skaematik

    • 2 years ago
  2. Skaematik Group Title
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    so y is directly proportional to x and z, y is inversely proportional to square of w|dw:1353303106192:dw|

    • 2 years ago
  3. kenneyfamily Group Title
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    a. y = 2 b. y = 1 c. y = 8 d. y = 4

    • 2 years ago
  4. kenneyfamily Group Title
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    hmm

    • 2 years ago
  5. Skaematik Group Title
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    did you find k

    • 2 years ago
  6. kenneyfamily Group Title
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    is it 4?

    • 2 years ago
  7. kenneyfamily Group Title
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    @Skaematik

    • 2 years ago
  8. Skaematik Group Title
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    its 2

    • 2 years ago
  9. kenneyfamily Group Title
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    but then y=10 right? thats not a choice :(

    • 2 years ago
  10. Skaematik Group Title
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    ah whoops, i meant y=2. k = 0.4

    • 2 years ago
  11. kenneyfamily Group Title
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    thanks!

    • 2 years ago
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