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Radda [10]
3 years ago
8

Describe and correct the error in rewriting the expression. 6(y + 8) = 6y + 8

Mathematics
2 answers:
Lina20 [59]3 years ago
6 0

Answer:

it should be 8y× 6 i think

Lina20 [59]3 years ago
3 0
Answer:
6y + 48

Explanation:
6 x y = 6y
6 x 8 = 48
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If log2 5 = a, log2 3 = b and log2 7 = c, determine an expression for log2 (25/21) in terms of a, b, and c
Ilia_Sergeevich [38]

Answer:

2a - b -c

Step-by-step explanation: We know that:

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The logarithm of a division can be expanded by subtracting the numerator and denominator (while still keeping the log). The logarithm of a product can be expanded by adding the terms while keeping the log. If the logarithm is raised to a power, we can bring it down as a factor:

log_2 \frac{5^2}{3*7} = log_2(5)^2 - log_2 (3*7) = 2 log_2(5) - (log_2 3 + log_2 7)

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A = 9\sqrt{3}

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