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3 years ago

Simplify (-5) + (-4) +(7)

Mathematics

2 answers:

MAXImum [283]3 years ago

7 0

Answer:

Lol, isn't that just -2?

Step-by-step explanation:

I think you can just add those up.

Nonamiya [84]3 years ago

7 0

Answer:the answer is -2

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Using washers, the volume is given by

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3 years ago

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Step-by-step explanation:

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2 years ago

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Answer:

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3 years ago

Which expression is equivalent to log_5(x/4)^2?

viktelen [127]

For this case we must find an expression equivalent to:

$log_ {5} (\frac {x} {4}) ^ 2$

So:

We expanded $log_ {5} ((\frac {x} {4}) ^ 2)$ by moving 2 out of the logarithm:

$2log_ {5} (\frac {x} {4})$

By definition of logarithm properties we have to:

The logarithm of a product is equal to the sum of the logarithms of each factor:

$log (xy) = log (x) + log (y)$

The logarithm of a division is equal to the difference of logarithms of the numerator and denominator.

$log (\frac {x} {y}) = log (x) -log (y)$

Then, rewriting the expression:

$2 (log_ {5} (x) -log_ {5} (4))$

We apply distributive property:

$2log_ {5} (x) -2log_ {5} (4)$

Answer:

An equivalent expression is:

$2log_ {5} (x) -2log_ {5} (4)$

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3 years ago