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FromTheMoon [43]
3 years ago
5

Deirdre doubled her savings account balance of $100 . Then she withdrew $30 to buy some new clothes. Represent this situation wi

th a numerical expression.
Mathematics
2 answers:
STALIN [3.7K]3 years ago
8 0
(100*2)-30 
100 is multiplied by two to get 200 and then you subtract 30 to get 170 because they withdrew money so they took away money.
tekilochka [14]3 years ago
5 0
Your answer would be 100-30=70
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Answer:

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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

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x=log_{10}20y \Rightarrow x=log(2+10)y\Rightarrow x=(0.3+1)y \Rightarrow x=1.3y

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

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Step-by-step explanation:

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Step-by-step explanation:

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