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Mathematics, 03.05.2021 01:00 lovecats12

Suppose y varies jointly as x and z, and y = 72 when x = 4 and 2 = -6. What is the value of y when x = -5 and z = 7?

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Suppose y varies jointly as x and z, and y = 72 when x = 4 and 2 = -6. What is the value of y whe

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Suppose y varies jointly as x and z, and y = 72 when x = 4 and 2 = -6. What is the value of y when...
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