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ira [324]
3 years ago
9

I need help with 9th grade work. URGENT please help me !

Mathematics
1 answer:
adelina 88 [10]3 years ago
4 0

Answer:

ok I am ready

Step-by-step explanation:

What should I do?

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Write a sentence to explain what a cube root of a number means.
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The cube root of a number is a special value that when used in a multiplication three times it gives that number.

Step-by-step explanation:

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3 x 3 x 3

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9 x 3 = 27

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4 years ago
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Step-by-step explanation:

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3 years ago
Plzz help pythagorean theorem geometry
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Find the angle [OA] makes with the positive x-axis if the x-coordinate of the point A on the unit circle is 0.222
EastWind [94]

By using the concepts of <em>unit</em> circle and <em>trigonometric</em> functions, we find that the angle OA, whose x-coordinate is 0.222, has a measure of approximately 77.173°.

<h3>How to find an angle in an unit circle</h3>

<em>Unit</em> circles are circles with radius of 1 and centered at the origin of a Cartesian plane, which are used to determine angles and <em>trigonometric</em> functions related to them. If we use <em>rectangular</em> coordinate system and the definition of the <em>tangent</em> function, we find that the angle OA is equal to:

\tan \theta = \frac{\sqrt{1 - x^{2}}}{x}

\tan \theta = \frac{\sqrt{1-0.222^{2}}}{0.222}

tan θ ≈ 77.173°

By using the concepts of <em>unit</em> circle and <em>trigonometric</em> functions, we find that the angle OA, whose x-coordinate is 0.222, has a measure of approximately 77.173°.

To learn more on unit circles: brainly.com/question/12100731

#SPJ1

4 0
2 years ago
What does step mean I'm mathematics​
3241004551 [841]

Answer:

In mathematics, a function on the real numbers is called a step function (or staircase function) if it can be written as a finite linear combination of indicator functions of intervals. Informally speaking, a step function is a piecewise constant function having only finitely many pieces.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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