3 years ago

To which subsets of the real numbers does the number 82 belong?

1 answer:

3 0

We know that
82 is an integer, a whole number, a natural number, and a rational number (since 82 = 82/1)

So
82 belongs to the set of integers, set of whole numbers, set of natural numbers, and the set of rational numbers

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When working with inequalities what do you do when its x squared > 16 and vice versa does the sign flip.

S_A_V [24]

Answer:

$x4$

$\{x\in \mathbb{R}| \:\left(-\infty \:,\:-4\right)\cup \left(4,\:\infty \:\right) \}$

Step-by-step explanation:

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$x\sqrt{16}$

$x4$

The interval notation will be:

$\{x\in \mathbb{R}| \:\left(-\infty \:,\:-4\right)\cup \left(4,\:\infty \:\right) \}$

The contrary,

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is $-4$

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3 years ago

Read 2 more answers

Why is the product of 5/4 and 4 larger than 4?

zubka84 [21]

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2 years ago

Find parametric equations for the tangent line at the point (cos(3pi/6),sin(3pi/6), (3pi/6))

r-ruslan [8.4K]

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\\r'(t)=(-\sin{t},\cos{t},1)
\\t= \frac{3\pi}{6} = \frac{\pi}{2}
\\ r'(t)=(-\sin{\frac{\pi}{2}},\cos{\frac{\pi}{2}},1)
\\ r'(t)=(-1,0,1)
\\
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\\z= \frac{\pi}{2} +t$