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Simora [160]
3 years ago
10

Simplify this expression: 3(x + 4.5) + 2(2.6x – 3)

Mathematics
1 answer:
lukranit [14]3 years ago
7 0

Answer: 8.2x+7.5

Step-by-step explanation:

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Step-by-step explanation:

❌Option A is incorrect

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❌Option B is incorrect

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✅Option C is CORRECT

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❌Option D is incorrect

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Step-by-step explanation:

The sum of consecutive squares is

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Therefore

1^2+2^2+\dots+30^2=\frac16(30)(31+1)(2\cdot30+1) = 9455

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Step-by-step explanation:

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Step-by-step explanation:

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