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Kamadonezuko233go
Answered

v varies jointly as w and u, and v=28 when w=8 and u=7. Find v when =14 and u=9.​

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Carlosmiguelmaganago

Answer:

v = 63

Step-by-step explanation:

EQUATION:

v = kwu

FIND THE CONSTANT OF VARIATION:

k = v/wu

k = 28/(8)(7)

k = 28/56

k = 1/2

FIND v WHEN w = 14 AND u = 9

v = kwu

v = (1/2)(14)(9)

v = (7)(9)

v = 63

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