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Evgesh-ka [11]
3 years ago
15

How to factorise 9a^2bc^3 -27abc

Mathematics
1 answer:
olga2289 [7]3 years ago
3 0

Answer:

9abc(ac² - 3)

Step-by-step explanation:

<u>Given polynomial:</u>

  • 9a²bc³ -27abc

<u>Factors of the terms:</u>

  • 9a²bc³ = 3*3*a*a*b*c*c*c
  • 27abc = 3*3*3*a*b*c

<u>Common factors of the above: </u>

  • 3*3*a*b*c= 9abc

<u>So the answer:</u>

  • 9a²bc³ -27abc = 9abc(ac² - 3)
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Which of the following is a correct interpretation of the expression -7- (-11)?
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Answer:

B. Start at -7 on the number line and move 11 to the right.

Step-by-step explanation:

<u>Given:</u>

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<u>Correct interpretation of of this expression is:</u>

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<u>Correct choice is:</u>

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A rectangular tank that is 5324 ft cubed with a square base and open top is to be constructed of sheet steel of a given thicknes
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Answer:

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Step-by-step explanation:

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h = 5324 / s^2

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A' = 2s - 21296/s^2 = 0

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Step-by-step explanation:

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