Question

y varies jointly as x and z. Write the appropriate joint-variation equation, and find y for the given values of x and z.

y = 120 when x = 8 and z = 20; x = 54 and z = 7
a.
; 283.5
c.
; 283.5
b.
; 201.07
d.
; 198.3

Answer 1

y = kxz

Answer 2

therefore:\[y' = \frac{y}{xz}(x'z')\]

Answer 3

does anyone know how to do this?
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Answer 4

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Answer 5

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Answer 6

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Answer 7

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Answer 8

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Answer 9

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Answer 10

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Answer 11

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Answer 12

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Answer 14

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Answer 15

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Answer 16

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Answer 17

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Answer 21

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