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harkovskaia [24]
3 years ago
6

Simplify. 10y(3x – 7z) 30xy – 70yz 103xy – 107yz 30xy – 7z 3x – 70yz

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
6 0

30yx−70yz is your answer

kakasveta [241]3 years ago
5 0

Distribute

10y × 3x + 10y × -7z

Simplify 10y × 3x to 30yx

30yx + 10y × -7z

Simplify 10y × -7z to -70yz

30xy - 70yz

<u>Answer: A. 30xy - 70yz</u>

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Answer:

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Explanation:

<u>Part A:</u>

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Month       price, f(x)

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The percentage per month is (1 - 0.88) × 100 = 12%, i.e. the price decreasing by 12% per month.

<u>Part B.</u>

<u>Table:</u>

m       price, g(m)

1          3.44

2         3.30

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To find if the function decreases with a constant ration divide each pair con consecutive prices:

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