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3 years ago

Please, someone PLEASE help me? Add -2/3n + 7/3

Mathematics

2 answers:

Olenka [21]3 years ago

8 0

Hello!

Your answer is: -2+7n / 3n aka -2+7n over 3n

GenaCL600 [577]3 years ago

7 0

Without a given value for "n" you cannot solve the expression. If this was an equation, like -2/3n=7/3, then you could solve for n, but without an equals sign all you can do is simplify the expression.

Factor out a negative -1/3

[tex]- \frac{1}{3} [/tex](2n-7) is your most simplified expression. Does that answer your question?

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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:

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

3 0

2 years ago

The bag was filled with red marbles and blue marbles in the ratio of 5:7. If there were 180 marbles in the bag,how many were red

SOVA2 [1]

You just have to multiply each number by 180 and that's how many you have of each color respectively

3 0

2 years ago

Read 2 more answers

Alton had $725 for Medicare, $3000 for state income tax, and $3100 for

ella [17]

Answer:

$\$6825$

Step-by-step explanation:

Amount deducted for Medicare = $725

Amount deducted for state income tax = $3000

Amount deducted for Social security = $3100

To find: Total amount deducted from Alton's pay for FICA last year

Solution:

Total amount deducted from Alton's pay for FICA last year = Amount deducted for Medicare + Amount deducted for state income tax + Amount deducted for Social security = $725+3000+3100$