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kumpel [21]
2 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]2 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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2 years ago
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fredd [130]

Answer:

B) 24 p-35

Step-by-step explanation:

<u>Step :1</u>

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Given data 1+4(6 p-9)

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5 0
3 years ago
Two glasses of milk and 4 snack bars have a total of 66 carbohydrates​ (carbs), and 4 glasses of milk and 3 snack bars have a to
musickatia [10]
2m + 4s = 66.
4m + 3s = 84.
(Double the 2 glass of milk and 4 snack bars)
4m + 8s = 132.
4m + 3s = 84.
(Take away the second equation from the first equation)
5s= 48.
s = 48/5.
s = 9.6.
4m + 3(9.6) = 84.
4m + 28.8 = 84.
4m = 84 - 28.8.
4m = 55.2.
4m/4 = 55.2/4.
m = 13.8.
In a glass of milk, there are 13.8 carbs, and in a snack bar, there are 9.6 carbs.
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3 years ago
Simplify the expression -1/2(-5/6 +1/3) thank you :)
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Answer:

1/4

Step-by-step explanation:

-1/2(-5/6 +1/3)

PEMDAS

parentheses first

(-5/6 +1/3)

Get a common denominator

-5/6 + 1/3 *2/2

-5/6 + 2/6 = -3/6 = -1/2

Substitute this back in

-1/2 ( -1/2)

Multiply

1/4

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3 years ago
Which functions domains consist of all real numbers except -2?
katrin2010 [14]
Is -2 the only point of reference given? 
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3 years ago
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