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bagirrra123 [75]

3 years ago

6

What’s the volume of a cone with the radius of 45 cm and a height of 55 cm

1 answer:

viva [34]3 years ago

3 0

The answer is 116631.6 if rounded it is 116632

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By what least number should 2048 be multiplied to get a perfect cube

antiseptic1488 [7]

Answer:

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Step-by-step explanation:

You should multiply by 2, to make it perfect square & it's square root is 64

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How would the expression x^3+64 be rewritten using sum off cubes

Mamont248 [21]

$\bf \textit{difference of cubes}
\\ \quad \\
a^3+b^3 = (a+b)(a^2-ab+b^2)\qquad
(a+b)(a^2-ab+b^2)= a^3+b^3 \\ \quad \\
a^3-b^3 = (a-b)(a^2+ab+b^2)\qquad
(a-b)(a^2+ab+b^2)= a^3-b^3\\\\
-------------------------------\\\\
\boxed{64=4^3}\qquad x^3+64\implies x^3+4^3\implies (x+4)(x^2-x4+4^2)
\\\\\\
(x+4)(x^2-4x+16)$

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Step-by-step explanation:

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