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lisabon 2012 [21]

3 years ago

12

There is 18 inches of snow on the ground. Snow is falling at a rate of 4 inches per hour. Write a function to represent the tota

l amount of snow.

1 answer:

Reil [10]3 years ago

7 0

Let’s say Y = total amount of snow, and X = number of hours

Y = 4x + 18

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Now, If the exponent was negative like you asked....

$\left( \frac{27x^3}{8y^9}\right)^ {-\frac{5}{3}} \\\\\\ =\left( \frac{8y^9}{27x^3}\right)^ {\frac{5}{3}}\\\\\\ =\left( \frac{(2y^3)^3}{(3x)^3}\right)^ \frac{5}{3} \\\\\\ = \frac{(2y^3)^{3 \times \frac{5}{3} }}{(3x)^{3 \times \frac{5}{3} }} \\\\\\ =\frac{(2y^3)^{5 }}{(3x)^5} \\\\\\ =\frac{32y^{15}}{243x^5}$

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