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zlopas [31]
3 years ago
9

If x varies inversely as y, and x=27 when y=6 find x when y=2

Mathematics
1 answer:
kondaur [170]3 years ago
7 0

For this case we have that the inverse variation is defined as:

y = \frac {k} {x}

Where:

k: It is the constant of proportionality

According to the statement we have:

x = 27\\y = 6\\6 = \frac {k} {27}

We find the constant of proportionality:

k = 27 * 6\\k = 162

Then we find the value of x when y = 2:

2 = \frac {162} {x}\\x = \frac {162} {2}\\x = 81

Answer:

x = 81

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Step 1:

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