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notsponge [240]
2 years ago
5

Which is the side length of a cube with a volume of 1331 m3?

Mathematics
1 answer:
suter [353]2 years ago
8 0
Let's remember the equation for the volume of a cube:
V= x^3 where x is the length of one side
Since a cube has equal length for length, width, and height.

Now, use what you're given
V= 1331

And put that in terms of x
x^3 = 1331

Now solve for x!
x= cube root (1331)

Think about it! cube root of 1331 * cube root of 1331 * cube root of 1331... will equal 1331 m^3!

Hope this helps
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You need a 70% alcohol solution. On hand, you have a 420 mL of a 85% alcohol mixture. How much pure water will you need to add t
Nimfa-mama [501]

Answer:

Pure water =74.1 mL

Step-by-step explanation:

You need 420 mL of a 70% alcohol solution.

420 mL of solution and 70% of it should be alcohol.

So,

420 * 70/100 mL

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The alcohol can only come from the 85% mixture. So, how much of 85% alcohol do we need to get 294 mL of alcohol:

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6 0
2 years ago
Help me with my math plz
Gwar [14]
Let's separate this shape into three parts. A smaller rectangle at the top, and one at the bottom, and a bigger rectangle in the middle.

The smaller rectangle at the top:

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a = l · w
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Since the smaller rectangle at the bottom has the same length and width, it has the same area. 

The bigger rectangle in the middle:

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Now add all of the areas together to get the answer!

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The answer is 180 :)

Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)
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Answer:

D

Step-by-step explanation:

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Arithmetic progression​
melamori03 [73]

Answer: ar·ith·met·ic pro·gres·sion

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noun

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