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3 years ago

What is x in 6x - 4 = 8 ( 2 +1/4 x)

Mathematics

2 answers:

Alina [70]3 years ago

6 0

Answer:

x = 5

Step-by-step explanation:

6x - 4 = 8( 2 + 1/4x) Distribute

6x - 4 = 16 + 2x

-6x -6x Subtract

-4 = 16 - 4x

-16 -16 Subtract

-20 = -4x Divide

x = 5 Answer

defon3 years ago

4 0

Answer:

Step-by-step explanation:

move the terms 6x-4=16+2x

collect like terms 6x-2x=16+4

divide both sides 4x=20

x=5

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Step-by-step explanation:

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4 years ago

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5,300 milliliters to liters

kondaur [170]

Answer:

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Step-by-step explanation:

5,300 milliliters to liters

move decimal three to the left

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2 years ago

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mario62 [17]

Step-by-step explanation:

⇒ $V = \pi r^{2}h$

⇒ $V = \pi(10)^{2}(40)$

⇒ $V = 4000\pi$

⇒ $V = 12566.4cm^{3}$

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⇒ $V = \frac{1}{3}\pi (8)^{2}(h)$

As we know the radius and slant height, we can use Pythagoras' Theorem to find the perpendicular height.

⇒ $a^{2} + b^{2} = c^{2}$

⇒ $(8)^{2} + h^{2} = 20^{2}$

⇒ $h = \sqrt{20^{2} - 8^{2}}$

⇒ $h = 4\sqrt{21}$

Now substitute this into the volume formula.

⇒ $V = \frac{1}{3}\pi (8)^{2}(4\sqrt{21})$

⇒ $V = \frac{256\sqrt{21} }{3}\pi$

⇒ $V = 1228.5mm^{3}$

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⇒ $V = (3.1)^{3}$

⇒ $V = 29.8inches^{3}$

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3 years ago

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