Laura has 23 coins in a jar. the jar contains only dimes and quarters. if the coins are worth $4.85, how many dimes does laura have?

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Ответ:

axell13965

07.06.2020

Mathematics

$4\log_bx - \log_by = \log(\frac{x^4}{y})$

Step-by-step explanation:

Given

$4\log_bx - \log_by$

Required

Express as a single expression

Using power rule of logarithm, we have:

$n\log m = \log m^n$

So, we have:

$4\log_bx - \log_by = \log_bx^4 - \log_by$

Apply quotient rule of logarithm

$4\log_bx - \log_by = \log(\frac{x^4}{y})$

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