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ryzh [129]
3 years ago
11

Two cubes have their surface areas in the ratio 1:4 , what is the ratio of their volumes ?

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
8 0

Answer:

1 : 8

Step-by-step explanation:

For similar figures with ratio of sides = a : b

Then ratio of areas = a² : b² and

ratio of volumes = a³ : b³

Given ratio of areas = 1 : 4

linear ratio = \sqrt{1} : \sqrt{4} = 1 : 2

ratio of volumes = 1³ : 2³ = 1 : 8


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3 years ago
Identify the amount, base, and percent in the problem: What is 60% of 485?
IrinaK [193]

Hey there! I'm happy to help!

The percent in the problem is 60% (as it has a percent time).

The base is the number we start with, so it is 485.

The amount is the percent of the base. As a decimal, 60% is 0.6. So, we just multiply this by 485.

0.6×485=291

Therefore, the amount is 291.

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BASE: 485

PERCENT: 60%

Have a wonderful day! :D

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3 years ago
How many plants spaced every 6 in. are needed to surround a circular walkway within a 25 ft. radius?
e-lub [12.9K]
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C = 2^_r

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7 0
4 years ago
What is the volume of this equation?
Pachacha [2.7K]

Answer:

Volume ≈ 33.33 cubic feet

Step-by-step explanation:

The question is:

<em>Find the volume of a right square pyramid with base square edges measuring 5 feet each and a height of the pyramid be 4 feet.</em>

<em />

So, the base is a square with side length 5 feet.

And the height of the pyramid is 4 feet.

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V=\frac{a^2 h}{3}

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V=\frac{a^2 h}{3}\\V=\frac{(5)^2 (4)}{3}\\V=33.33

The volume is around 33.33 cubic feet

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3 years ago
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