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ambercuevas2707
17.12.2020 •
Mathematics
Z varies directly as x and y, z = 6 when x=2 and y = 6. Find the value of z when x = 3 and y = 8
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Ответ:
12
Step-by-step explanation:
This is a joint variation problem:
z varies directly as x and y
Interpreting this;
z ∝ xy
Therefore;
z = kxy
z = 6, x = 2, y = 6
Now find k,
6 = 2 x 6 x k
6 = 12k
k =![\frac{1}{2}](/tpl/images/0994/8090/9cdae.png)
To find the value of z;
x = 3, y = 8
z =
x 3 x 8 = 12
Ответ:
are you a connexus student?
Step-by-step explanation: