3 years ago

one of the comers of a cube is sliced off the resulting cross section will have a minimum of ? Sides ?

Mathematics

1 answer:

Molodets [167]3 years ago

8 0

a corner of a cube connects 3 sides to each other,

then add the side of the cut

so it would have 4 sides

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Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).

bagirrra123 [75]

Answer:

$27\pi \ cm^{2}$

Step-by-step explanation:

we know that

The area of a circle is equal to

$A=\pi r^{2}$

we have

$r=6\ cm$

substitute

$A=\pi (6)^{2}=36 \pi\ cm^{2}$

Remember that a central angle of $360\°$ subtends for the area of a complete circle

by proportion

Find the area of the circle for a central angle of $270\°$

$\frac{36 \pi}{360} \frac{\ cm^{2}}{degrees}=\frac{x}{270} \frac{\ cm^{2}}{degrees} \\ \\ x=270*36\pi /360\\ \\x=27\pi \ cm^{2}$

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3 years ago

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mezya [45]

Answer:

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Step-by-step explanation:

you can solve it by using ratio:

$1\frac{2}{3}$ cups of milk makes 7 serving and 6 cups of milk makes x servings:

$\frac{1\frac{2}{3}}{7} = \frac{6}{x}$

then solve for x.

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2 years ago

Please help me answer this please!!

Assoli18 [71]

I think the answer is 15

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3 years ago

an athlete completes a race in 55.72 seconds how many times greater is the digit in the tens place than the digit in the ones pl

Inessa05 [86]

7 is 5 greater than the 2

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Simplify the expression (4x - 3)(x + 5).

Drupady [299]

(4x-3)(x+5)
= 4x^2+20x-3x-15
= 4x^2+ 17x -15.

The final answer is 4x^2+ 17x -15~

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3 years ago