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jasenka [17]
3 years ago
5

Trig. Ratios of perimeters and areas.

Mathematics
1 answer:
fenix001 [56]3 years ago
5 0

Answer:

8:9

Step-by-step explanation:

ratio of areas = (ratio of sides)²

64/81 = (ratio of sides)²

Square root both sides

8/9 = ratio of sides

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Step-by-step explanation:

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Anuta_ua [19.1K]

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If a² + b² = z and ab = y, which of the following is equivalent to 4z + 8y? Show all the steps.
Ivenika [448]

Answer:

The answer to your question is:       (2a + 2b)²

Step-by-step explanation:

a² + b² = z

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Substitution

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Factorize                     (2a + 2b)²

7 0
3 years ago
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the answer would be 48 green marbles

Step-by-step explanation:

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