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Ratling [72]
3 years ago
10

In the Changing Dimensions of 3D Figures

Mathematics
1 answer:
den301095 [7]3 years ago
7 0

Answer:factor of 9

Step-by-step explanation:

Given

prism were changed by a scale factor of 3

Suppose prism is rectangular in shape

So surface are is S.A.=2(lw+wb+lb)

Where l=length

w=width

b=breadth

So new length,breadth and width is

l'=3l

w'=3w

b'=3b

S.A.=2(3\times 3lw+3\times 3wb+3\times 3lb)

S.A.=2\times 3^2(lw+wb+lb)

S.A.=3^2\times 2(lw+wb+lb)

So new surface area would change by a factor of 9

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Answer:

11

Step-by-step explanation:

8x - 3(-z - y)

Substitute

8(1) - 3(-(-2) - 3)

Simplify

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Multiply

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8 0
3 years ago
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Answer:

3 Kg 726g

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Hope this helps!

3 0
2 years ago
Follow the process of completing the square to solve 2x2 + 8x - 12 = 0.
Rom4ik [11]
Please:  Use "^" to denote exponentiation:  <span>2x^2 + 8x - 12 = 0

Reduce this by div. every term by 2:             </span><span>x^2 + 4x - 6 = 0

Here a=1, b=4 and c = -6.  Square half of b, obtaining (4/2)^2 = 4, and add, and then subtract, this 4 to x^2 + 4x - 6:

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8 0
3 years ago
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kolezko [41]

Answer:

B.

Step-by-step explanation:

Not another one! ;)

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4 0
2 years ago
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