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2 years ago

Which expression is a perfect cube? -8x^21y^8 -64x^64y^64 -125x^9y^20 -216x^9y^18

Mathematics

1 answer:

inysia [295]2 years ago

4 0

Answer:

$-216x^9y^{18}$

Step-by-step explanation:

$~~-216 x^9 y^{18}\\\\=(-6)^3 (x^3)^3 (y^6)^3\\\\=(-6x^3 y^6)^3$

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Natasha2012 [34]

Answer:

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Step-by-step explanation:

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3 years ago

a) The family likes peaches and other fruits. The local farmer’s market is selling fresh peaches at a discounted price. If the f

s344n2d4d5 [400]

Answer:

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Step-by-step explanation:

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What is the area of the figure:

Luba_88 [7]

For this case we have that the area of the triangle is given by:

$A = \frac {b * h} {2}$

Where:

b: It's the base

h: It's the height

We have to:

$cos (45) = \frac {b} {24}\\b = 24 * cos (45)\\b = \frac {\sqrt {2}} {2} * 24\\b = 12 \sqrt {2}$

The atura will be given by:

$sin (45) = \frac {h} {24}\\h = 24 * sin (45)\\h = \frac {\sqrt {2}} {2} * 24\\h = 12 \sqrt {2}$

So, the area is:

$A = \frac {12 \sqrt {2} * 12 \sqrt {2}} {2}\\A=\frac{(12\sqrt{2})^2}{2}\\A = 144$

Answer:

144

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3 years ago

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The midpoint of VW is M(9, 8). One endpoint is W(8, 6). Find the coordinates of the other endpoint V.

Stells [14]

Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago