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3 years ago

Explain why you should record a 1 in the Tens column when you regroup in an addition problem

Mathematics

1 answer:

Fed [463]3 years ago

4 0

I would say that if the ones add up to 10 or more, they will regroup and put a 1 above the tens column to show the 10

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Choose the correct simplification of the expression (8x^4y^3)2

LuckyWell [14K]

Answer:

16X*8Y*6

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3 years ago

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

sveticcg [70]

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:

$log(AB)= logA+logB$

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

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

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

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3 years ago

Simplify 2x + x. What is the answer to this?

larisa [96]

Answer:

Step-by-step explanation:

2x+x = 3x

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3 years ago

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