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4 years ago

The number 0.14114111411114...is 1) rational 2) irrational

Mathematics

1 answer:

navik [9.2K]4 years ago

4 0

Answer:

irrational

Step-by-step explanation:

It cannot be expressed as a fraction

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Answer:

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Step-by-step explanation:

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3 years ago

S/5+125=2225<br> What is s

Rasek [7]

Answer:

s = 10500

Step-by-step explanation:

s/5 + 125 = 2225

Our mission is to isolate s. We can first begin to do this by subtracting 125 from both sides.

s/5 + 125 - 125 = 2225 - 125

s/5 = 2100

Since s is being divided by 5, we can multiply by 5 on both sides to get s alone.

s/5 x 5 = 2100 x 5

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4 years ago

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3 years ago

A.) The formula for the volume of a sphere is given below and the relationship between the radius r and the diameter d is r=d/2.

Tasya [4]

Answer:

$\displaystyle V=\frac{4}{81}\cdot \pi\ cm^3$

Step-by-step explanation:

<u>The Volume of a Sphere </u>

The volume of a sphere of radius r is given by:

$\displaystyle V=\frac{4}{3}\cdot \pi\cdot r^3$

A. )

If the diameter of the sphere is d, the radius is r=d/2. Substituting:

$\displaystyle V=\frac{4}{3}\cdot \pi\cdot \left (\frac{d}{2} \right )^3$

Operating

$\displaystyle V=\frac{4}{3}\cdot \pi\cdot \frac{d^3}{8}$

Simplifying

$\displaystyle V=\frac{1}{6}\cdot \pi\cdot d^3$

B.)

The diameter of the sphere is 2/3 cm, thus the volume is:

$\displaystyle V=\frac{1}{6}\cdot \pi\cdot \left (\frac{2}{3} \right )^3$

Operating:

$\displaystyle V=\frac{1}{6}\cdot \pi\cdot \frac{8}{27}$

$\displaystyle V=\frac{8}{27}\frac{1}{6}\cdot \pi$

$\boxed{\displaystyle V=\frac{4}{81}\cdot \pi\ cm^3}$

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3 years ago

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4 years ago