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Yuki888 [10]
2 years ago
8

The volume of a cube is 27 cubic yards. Find the side length.

Mathematics
1 answer:
IceJOKER [234]2 years ago
4 0

Since all sides of a cube are equal...,

Let one side length of a cube be (z)

;Volume = z × z × z

;Volume = z^3

; 27 = z^3....where we then say that..,

; z(side length) = cube root of (27)

; Hence..., Side Length = 3 yards

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Well, let's say the numbers are "a" and "b"

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ok... now, if we reduce "a" by 25%, that means the new size is just 75% of the old one, how much is 75% of a? well, (75/100) * a, or 0.75a

now let's reduce "b" by 50%, that means the new size is 50% or half,  how much is 50% of b? well (50/100)*b, or 0.5b

\bf \begin{cases}
a\cdot b\implies  ab\\
0.75a\cdot 0.5b\\
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now, the new size of "ab" is just 0.375ab... well, let's revert the decimal format by simply multiplying by 100

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5 0
3 years ago
How do you distribute 2(x + 5)
IceJOKER [234]

Answer:

2x+10

Step-by-step explanation:

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5 0
3 years ago
Surface area of a sphere is 615.752 m2, what is the volume of the sphere?
const2013 [10]

B

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r² = \frac{615.752}{12.56} = 49.0248...

take the square root of both sides

r = \sqrt{49.0248..} ≈ 7, hence

V= \frac{4}{3} × π × 7³ = 1436.76 m³ → B



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Answer:

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