PascualY241846 PascualY241846

29-10-2022
Mathematics

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The value of y varies jointly with x and z. If y=-4 and z=20 and x=10, find the value of y when x=-2 and z=78

The value of y varies jointly with x and z If y4 and z20 and x10 find the value of y when x2 and z78 class=

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SaraU401887 SaraU401887

29-10-2022

the new value of y is

[tex]y=\frac{2}{10}\cdot\frac{68}{20}\cdot4=2.72[/tex]

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