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3 years ago

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SIMPLIFY 81 TO THE 1/3 POWER

2 answers:

Ne4ueva [31]3 years ago

3 0

81^1/3. We know that 81 is 3^4, meaning 3 x 3 x 3 x 3 is 81. So (3^4)^1/3 is 3^4/3, which is 3 * (cubed root of 3).

solniwko [45]3 years ago

3 0

Okay lets see 81^1/3 means that you are multiplying by a third. but you can also turn it into a division problem as simple as putting 81 in the place of the 1. Now the problem looks like this: 81/3. so if you divide 81 by 3 you get 27. check the ,mat by doing it backwards. multiply 27 by 3 and see what you get. it should be 81.

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Virty [35]

Answer:

They would meet each other at $01 : 24$ PM.

Step-by-step explanation:

Erik took a trip to see his friend Mike who lives 308 miles away.

He left his place at 10 AM driving at 70 mph.

In 2 hours, his friend Mike left his place driving towards Erik at an average speed of 50 mph.

As Erik left his house at 10 AM driving at 70 mph and in 2 hours, his friend Mike left his place driving towards Erik at an average speed of 50 mph. It means

Erik left his place at 12:00 PM noon.

so, at 12:00 PM Erik had already traveled:

$2\times 70=140\:\:miles$

Miles left $=308-140=168\:\:miles$

Let 't' be the time when they meet

so

$70t\:+\:50t\:=168$

$120t=168$

$\mathrm{Divide\:both\:sides\:by\:}120$

$\frac{120t}{120}=\frac{168}{120}$

$t=\frac{7}{5}$

so

$t=\frac{7}{5}=1.4\:\:hours$

or $1$ hour and $24$ minutes after $12:00$ noon

i.e.

$12\:+\:1.4\:=1\:O'clock\:+\:24\:minutes$

Therefore, they would meet each other at $01 : 24$ PM.

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Which statement best describes a method that can be used to sketch the graph. y = |x - 2| a. Translate the graph of y = |x| two

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f(x) + n - translate the graph of f(x) n units up

f(x) - n - translate the graph of f(x) n units down

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We have

y = |x - 2|

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Step-by-step explanation:

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