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Natali5045456 [20]
3 years ago
11

Find A ∩ B given A = {the Integers} and B = {the Rational numbers}.

Mathematics
1 answer:
garri49 [273]3 years ago
8 0

Step-by-step explanation:

Since, every integer can be expressed as rational number.

\therefore A\cap B = B \\

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To solve this problem you must apply the proccedure shown below:

1- The ladder forms an isosceles triangle, because it has two equal sides.

2- Let's call the angle \alpha. To calculate it , you can divide the triangle into two equal right triangles and the angle \alpha will be divided into two equal parts too. Therefore, you can calculate the half of the angle and then multiply it by two, as following:

Sin^{-1}(\alpha 1)=opposite/hypotenuse

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\alpha =2\alpha 1\\ 2=2(14.47degrees)\\ \alpha =28.95degrees

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3 years ago
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Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

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