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ozzi
2 years ago
5

A forest covers 73,000 acres. A survey finds that 0.4% of the forest is old-growth trees. How man acres of old-growth trees are

there?
There are__?__ acres of old-grown trees.
Mathematics
1 answer:
Alex777 [14]2 years ago
5 0

Answer:

292 acres.

Step-by-step explanation:

OK so if there are 73,000 acres of trees in total and 0.4% are old we would simply calculate what 0.4% of 73,000 which is 292. So of those 73,000 acres of trees 292 acres of them would be "old-growth trees".

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By simplifying the left hand side using the Pythagorean Identity.

EXPLANATION

The given identity is

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Collect LCM for the denominators.

\csc^{2} (x) -  \cot^{2} (x) =  \frac{1 -  \cos^{2} (x)}{\sin^{2} (x)}

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\csc^{2} (x) -  \cot^{2} (x) = 1

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