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3 years ago

Find the product:−5/3(−2/3)(−18)A) −20 B) −35/3C) 35/3D) 20

Mathematics

2 answers:

Kobotan [32]3 years ago

7 0

Answer:

I got D. 20

Step-by-step explanation:

-5/3 times -2/3 equals 10/9

10/9 times -18 equals -20

Hope this helps dude ^-^

dolphi86 [110]3 years ago

6 0

The answer is A because when you multiply them all together you get -180/9 and simply to get -20

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Grady marks down some $4.09 pens to $3.59 for a week and then marks them back up to $4.09. Find the percent of increase and the

emmainna [20.7K]

Answer:

Percentage decrease ( from $4.09 to $3.59) is 0.1% ( Rounded to nearest tenth)

Percentage increase (from $3.59 to 4.09) is 0.1% ( Rounded to nearest tenth)

Percentages are not same for the both price changes. As we can see from the calculations percentage change from $3.59 to $4.09 is higher.

Step-by-step explanation:

$4.09 has been changed to $3.59.

Percent change = [(Value after - Value before) / Value before]*100

= $\frac{3.59-4.09}{4.09}*100$ %

= $\frac{-0.5}{4.09}*100$ %

= $-0.122249$ %

= $-0.1$ % ( Rounded to nearest tenth)

Percentage decrease is 0.1% ( Rounded to nearest tenth)

Now lets calculate the percentage change from $3.59 to $4.09.

Percent change = [(Value after - Value before) / Value before]*100

= $\frac{4.09-3.59}{3.59}*100$ %

= $\frac{0.5}{3.59}*100$ %

= $0.13927$ %

= $0.1$ % ( Rounded to nearest tenth)

Percentage increase is 0.1% ( Rounded to nearest tenth)

Percentages are not same for the both price changes. As we can see from the calculations percentage change from $3.59 to $4.09 is higher.

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3 years ago

What is 3 log Subscript 2 Baseline x minus (log Subscript 2 Baseline 3 minus log Subscript 2 Baseline (x + 4)) written as a sing

Serhud [2]

Answer:

$\log_{2} [\frac{x^{3}(x + 4)}{3}]$

Step-by-step explanation:

We have to write the following logarithmic expression as a single logarithm.

The given expression is

$3\log_{2} x - [\log_{2} 3 - \log_{2}(x + 4)]$

= $3\log_{2} x - \log_{2} (\frac{3}{x + 4})$

{Since, $\log A - \log B = \log \frac{A}{B}$ , from the properties of logarithmic function }

= $\log_{2} x^{3} - \log_{2} (\frac{3}{x + 4})$

{Since, $a\log b = \log b^{a}$ , which also a logarithmic property}

= $\log_{2} [\frac{x^{3}}{\frac{3}{x + 4}}]$

= $\log_{2} [\frac{x^{3}(x + 4)}{3}]$ (Answer)

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3 years ago

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grigory [225]

The boy is 4.79 ft tall.
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3 years ago

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sergiy2304 [10]

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3 years ago

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IgorLugansk [536]

Answer:

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Step-by-step explanation:

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3 years ago