3 years ago

What is the volume of a sphere with a'radius of 39.6 m, rounded to the nearest tenth

Mathematics

1 answer:

ale4655 [162]3 years ago

7 0

Answer: 260120.3 m to the third power

Step-by-step explanation:

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What is the answer to 8x^3+125 by factoring the perfect cube?

expeople1 [14]

Answer:

$\large\boxed{8x^3+125=(2x+5)(4x^2-10x+25)}$

Step-by-step explanation:

$8x^3+125=2^3x^3+5^3=(2x)^3+5^3\\\\\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+5)((2x)^2-(2x)(5)+5^2)\\\\=(2x+5)(4x^2-10x+25)$

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Answer:

a=2, b=5

Step-by-step explanation:

Let

n -----> the denominator

we have

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Multiply by n both sides

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Divide by 3.5*10^4 both sides

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therefore

a=2, b=5

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3 years ago

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4 people will have to wear caps while 3 other will wear shirts.
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Step-by-step explanation:

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