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Assoli18 [71]
4 years ago
11

;Select all that apply. which of these polygons is not formed by the cross-section created when a plane intersects a cube? selec

t all that are possible. -square -circle -pentagon -trapezoid -triangle -rectangle
Mathematics
2 answers:
Reil [10]4 years ago
7 0
Square, circle, or rectangle
MariettaO [177]4 years ago
6 0

Answer:

The answer is circle.

Step-by-step explanation:

When a cube is intersected by a plane parallel to its base, a square is created. A rectangle is created when a cube is intersected by a plane in 2 pairs of opposite faces. When a cube is intersected by a plane in 3 adjacent faces, a triangle is formed.

Since a cube does not have any curved faces, so a plane will not be able to intersect it and give a cross section with any curves.

So, a circle is not possible.

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In order to find which <u>expression</u> is <u>equivalent</u> to \sqrt[4]{x^{10}}, <u>simplify</u> all given expressions:

0.

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1.

x^2(\sqrt[4]{x^2})=x^2\cdot x^{\frac{2}{4}}=x^2\cdot x^{\frac{1}{2}}=x^2\cdot x^{0.5}=x^{2.5}.

2.

x^{2.2}.

3.

x^3(\sqrt[4]{x} )=x^3\cdot x^{\frac{1}{4}}=x^3\cdot x^{0.25}=x^{3.25}.

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4 years ago
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Answer:

Answer below :)

Step-by-step explanation:

Hi there!

Question 4 - the answer will be 5. Since the scale factor is 5, we would (hypothetically) multiply the area by 5 to get the new area of XYZ, so area XYZ is 5 times the area of ABC.

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First we multiply 45 by 12 to find the amount in inches. This is 540. Now, we divide that by 6 to get 90. This is our scale factor in inches, but the answers only show the scale in feet, so we have to convert. Divide 90 by 12 to get 7.5.

I hope this helps!

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Step-by-step explanation:

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