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kumpel [21]
3 years ago
11

Ayasha and Michael draw cubes. Each side of Ayasha cube has a length of 7 m each side of Michael's cube has a link that is doubl

e the length of Ayasha cube compare the surface areas of the cubes
Mathematics
1 answer:
kolbaska11 [484]3 years ago
7 0

9514 1404 393

Answer:

  Michael's cube has 4 times the surface area of Ayasha's cube

Step-by-step explanation:

When linear dimensions of similar figures are scaled by a factor k, their surface areas are scaled by the factor k², and their volumes are scaled by the factor k³.

Here, Michael's cube is 2 times the length of Ayasha's cube, so the surface area of his cube will be 2² = 4 times the surface area of Ayasha's cube.

_____

The surface area of the cube is ...

  A = 6s²

so Ayasha's cube has an area of ...

  A = 6(7 m)² = 294 m²

Michael's cube has an area of ...

  A = 6(2·7 m)² = 4·294 m² = 1176 m²

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Answer:

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Step-by-step explanation:

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Travka [436]
The first thing you should do is calculate the volume of the prism.
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3 years ago
Will choose brainliest! Please help! (This is Khan Academy)
NeTakaya

Answer:

Option B. A = (5/6)^-⅛

Step-by-step explanation:

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We can obtain the value of A as follow:

(5/6)ˣ = A¯⁸ˣ

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5/6 = A¯⁸

Recall:

M¯ⁿ = 1/Mⁿ

A¯⁸ = 1/A⁸

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Cross multiply

5 × A⁸ = 6

Divide both side by 5

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Take the 8th root of both sides

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(6/5)^⅛ = (5/6)^-⅛

Therefore,

A = (5/6)^-⅛

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nata0808 [166]

Answer:

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Step-by-step explanation:

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