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ella [17]
2 years ago
15

The graph below represents the number of pieces of paper that are found in boxes. What is the constant of proportionality?

Mathematics
1 answer:
kotegsom [21]2 years ago
5 0

Answer:

12.5

Step-by-step explanation:

It is equal to the slope of the line = 50/4 = 12.5

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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
Monica [59]

Answer:

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,

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               k  = \frac{1}{2}

To find the value of z;

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1 ÷ 150 = 0.00666667
Hoped this helped :)
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