3 years ago

What is the fractional notation of 2.4%

Mathematics

1 answer:

Vanyuwa [196]3 years ago

8 0

2.4% = 2.4/100 or as a decimal fraction 0.024.

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<h2>Explanation:</h2>

Here we have the following expression:

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So here:

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$(csc x - 1) (csc x + 1)=csc^2x-1 \\ \\ \\ But: \\ \\ cscx=\frac{1}{sinx} \\ \\ \\ Then: \\ \\ csc^2x-1=\frac{1}{sin^2x}-1=\frac{1-sin^2x}{sin^2x}=\frac{cos^2x}{sin^2x}=cot^2x \\ \\ \\ Finally: \\ \\ \boxed{(csc x - 1) (csc x + 1)=cot^2x}$

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