3 years ago

1. Simplify the following inequalities.

Mathematics

1 answer:

zepelin [54]3 years ago

3 0

Answer:

x > 270
x ≤ -12

I hope this helps!

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3 years ago

The volume of a cylinder is 54π cubic inches and the height is 6 inches. Find the radius.

Anika [276]

Answer:

The radius of the cylinder is 3 inches.

Step-by-step explanation:

For any given cylinder, the volume can be expressed as:

volume = $\pi$ $r^{2}$ h

where r is the radius of its circular surface, and h is its height.

Given that: volume = 54π cubic inches, and the height = 6 inches.

then,

54 $\pi$ = $\pi$ x $r^{2}$ x 6

54 $\pi$ = 6 $\pi$ $r^{2}$

$r^{2}$ = $\frac{54\pi }{6\pi }$

= 9

r = $\sqrt{9}$

r = 3

The radius of the cylinder is 3 inches.

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3 years ago

The mean of 5,7,9 show that the mean of these numbers is 7

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Answer: 7

Step-by-step explanation:

5+7+9=21

3 total numbers to start with so;

21/3=7

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3 years ago

<img src="https://tex.z-dn.net/?f=2x%20%2B%20x%20%20%7B%20%7D%5E%7B2%7D%20%20%2B%20x" id="TexFormula1" title="2x + x { }^{2} +

malfutka [58]

Answer:

$\huge \boxed{x(x+3)}$

Step-by-step explanation:

$2x+x^2 +x$

Combine like terms.

$x^2 +(2x+x)$

$x^2 +3x$

Factor out $x$ from the expression.

$x(x+3)$

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4 years ago

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maksim [4K]

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3 years ago

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