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kenneyfamily

  • 3 years ago

Find an equation of variation in which y varies jointly as x and z. y = 7 when x = 7 and z = 1 A. y=x/z B. y=xz

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  1. kenneyfamily
    • 3 years ago
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    @Skaematik what about this?

  2. Skaematik
    • 3 years ago
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    When we say z is jointly proportional to a set of variables, it means that z is directly proportional to each variable taken one at a time It means they are DIRECTLY PROPORTIONAL. So the answer is

  3. kenneyfamily
    • 3 years ago
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    y=xz?

  4. kenneyfamily
    • 3 years ago
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    @Skaematik

  5. Skaematik
    • 3 years ago
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    yes

  6. kenneyfamily
    • 3 years ago
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    thanks! can you help me with one more please? @Skaematik

  7. Skaematik
    • 3 years ago
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    sure

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