3 years ago

If anyone can help it would be greatly appreciated!

Mathematics

1 answer:

Natali5045456 [20]3 years ago

6 0

Answer:

Second answer choice

Step-by-step explanation:

Since -10 is outside t you multiple every number inside the parenthesis by -10

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Step-by-step explanation:

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3 years ago

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(UFRGS) Se 10x = 20y , atribuindo 0,3 para log2, então o valor de é

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Answer:

$\frac{x}{y}=1.3$

Step-by-step explanation:

<u>Informação recuperada:</u>

(UFRGS) Se 10x = 20y , atribuindo 0,3 para log 2 , então o valor de x/y é

1) Primeiro, passando o 10 para o 2º membro como base do logaritmo:

$10x=20y \Rightarrow x=log_{10}20y$

2) Aplicando a propriedade do produto de logaritmo:

$log(AB)= logA+logB$

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3) Como quero o quociente divido ambos os lados por y

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Answer:

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Answer:

(2, -8)

Step-by-step explanation:

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