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Otrada [13]
2 years ago
9

What is the surface area of the composite solid. 119 m2 146m2 162m2 174m4

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
8 0

Answer:

C. 162m2

Step-by-step explanation:

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3 years ago
Multiply
Cloud [144]

Answer:

12 x^4 + 18 x^3 - 9 x^2 thus D is the correct answer.

Step-by-step explanation:

Expand the following:

3 x^2 (4 x^2 + 6 x - 3)

3 x^2 (4 x^2 + 6 x - 3) = 3 x^2 (4 x^2) + 3 x^2 (6 x) + 3 x^2 (-3):

3 4 x^2 x^2 + 3 6 x^2 x - 3 3 x^2

3 (-3) = -9:

3 4 x^2 x^2 + 3 6 x^2 x + -9 x^2

3 x^2×6 x = 3 x^(2 + 1)×6:

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3 4 x^2 x^2 + 3 6 x^3 - 9 x^2

3×6 = 18:

3 4 x^2 x^2 + 18 x^3 - 9 x^2

3 x^2×4 x^2 = 3 x^4×4:

3×4 x^4 + 18 x^3 - 9 x^2

3×4 = 12:

Answer:  12 x^4 + 18 x^3 - 9 x^2

6 0
3 years ago
Erica makes 27 dollers every 4 1/2 hours. How much does she make for 12 hours ?
kodGreya [7K]

Answer:

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Step-by-step explanation:

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3 years ago
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guajiro [1.7K]
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(2/3) / 2 =
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3 years ago
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stiv31 [10]

Answer:

y=4x-3

Step-by-step explanation:

y=(slope)x+b

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Insert Point:

1=4(1)+b

b=-3

3 0
3 years ago
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