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Alex_Xolod [135]
3 years ago
14

Cube 1 has a volume of 64 cubic inches and Cube 2 has a volume of 512 cubic inches. If the ratio of the surface area of Cube 1 a

nd 2 is 1:4 what are the side lengths of Cube 1 and Cube 2? A) 4 and 26 B) 8 and 16 C) 4 and 8 D) 8 and 64​
Mathematics
1 answer:
Inga [223]3 years ago
4 0

Answer:

4 and 8

Step-by-step explanation:

You don't need the surface area to find the edge length of a cube. Length of edge = ∛volume

Cube 1:

Length of each edge = ∛64 = 4 in.

Area of each face = 4² = 16 in².

Surface area = 6×16 = 96 in².

Cube 2:

Length of each edge = ∛512 = 8 in

Area of each face = 8² = 64 in²

Surface area = 6×64 = 384 in²

So the surface area is in the ratio 1:4

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5/8 x 16/25 = 80/200

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3 years ago
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anzhelika [568]

D. 7 miles

Step-by-step explanation:

26.5/4 =6.62

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3 years ago
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Luba_88 [7]

Step-by-step explanation:

= (x - 3)(2x² - 5x + 1)

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3 years ago
A scale model of a building has a height of 18 inches and a length of 14 inches. The height of the real building is 360 feet. Wh
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4 0
3 years ago
Read 2 more answers
What x values would be good to use so she does not get fractions for her y values when making the table of ordered pairs.
Ber [7]

Answer:

-3, 0, 3

Step-by-step explanation:

Given, y = -\frac{4}{3}x + 2, the set of x values that will make Kayda not to get y values that are not fraction are -3, 0, 3.

This is so, because,

when x = -3, y = -\frac{4}{3}(-3) + 2 = \frac{12}{3} + 2 = 4 + 2 = 6

when x = 0, y = -\frac{4}{3}(0) + 2 = -0 + 2 = 2

when x = 3, y = -\frac{4}{3}(3) + 2 = \frac{-12}{3} + 2 = -4 + 2 = -2

The correct response is -3, 0, 3

5 0
3 years ago
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