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3 years ago

Which of the following is the closest to the total surface area of the this box?

Mathematics

2 answers:

GalinKa [24]3 years ago

5 0

Answer:

52 ft

Step-by-step explanation:

the answer is c

Vladimir [108]3 years ago

3 0

52 ft is the answer which is as c option

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Simplify this expression

kompoz [17]

The first step for solving this problem is to know that in order to divide by a fraction,, we must multiply by the reciprocal of that fraction. This will look like the following:
$\frac{x+2}{ x^{2} -6x-16}$ × 9x
Write -6x as a difference.
$\frac{x+2}{ x^{2} +2x-8x-16}$ × 9x
Factor out x from x² + 2x.
$\frac{x+2}{ x X (x+2)-8x-16}$ × 9x
Factor out -8 from -8(x + 2).
$\frac{x+2}{ x X (x+2)-8(x+2)}$ × 9x
Factor out x + 2 from the denominator (bottom) of the expression.
$\frac{x+2}{(x+2)X(x-8)}$ × 9x
Reduce the fraction with x + 2
$\frac{1}{x-8}$ × 9x
Finally,, calculate the product to find your final answer.
$\frac{9x}{x-8}$
This means that the correct answer to your question is going to be option B.
Let me know if you have any further questions.
:)

3 0

3 years ago

As you might know from reading the Harry Potter books, wizarding money comes in three denominations: bronze Knuts, silver Sickle

Nina [5.8K]

Answer:

Minimun amount = $95,48

Step-by-step explanation:

We need to buy the book that costs 12 galleons, 16 sickles, 25 knuts.

At the bank we need to exchange our dollars. We know that:

1 galleon = $7,35

And:

1 galleon = 17 sickles

1 sickle = 29 knuts

First we use a rule of three to convert everything to galleons:

1 galleon = 17 sickles ⇒ 1 sickle = 1/17 galleons

$\frac{1 galleon}{x}=\frac{17 sickles}{1 sickle}$

$x=\frac{1}{17} sickles$

1 sickle = 1/17 galleons = 29 knuts ⇒ 1 knut = 1/493

$\frac{1/17 galleons}{x}=\frac{29 knuts}{1 knut}$

$x=\frac{1}{493} galleons$

And now we need to convert every wizarding money to dollars by using our reference above:

1 galleon = $7,35

1 sickle = 1/17 galleons = $7,35 / 17 ≅ $0,4323

1 knut = 1/493 galleons = $7,35 / 493 ≅ $0,0149

Finally we calculate the cost of the book:

Galleons: 12 x $7,35 = $88,2

Sickles: 16 x $0,4323 = $6,91

Knuts: 25 x $0,0149 = $0,37

Cost of the book = $88,2 + $6,91 + $0,37 = $95,48

So this is the minimun amount of dollars you need to exchange to purchase the book.

8 0

3 years ago

Albert is traveling 40 mph in his car. After 3 hours, how far will he have traveled?

STALIN [3.7K]

Answer:

120 miles

Step-by-step explanation:

Albert travels 40 miles for each hour he drives (units = mph = miles per hour)

If he drives 3 hours at 40 miles per hour...

3 hours x 40 miles / hour = 120 miles

5 0

2 years ago

Simplify. 3.3÷(0.8−3)−0.5 Enter your answer in the box.

Veseljchak [2.6K]

Answer:

-2

Step-by-step explanation:

3.3÷(0.8−3)−0.5

First think of PEMDAS

So first do parenthese

(0.8-3)=-2.2

3.3÷-2.2-0.5

Now do division

3.3/-2.2=-1.5

and now subtraction

-1.5-0.5=-2

6 0

3 years ago

Read 2 more answers

Find the slope of the line through (9, 4) and (0, 5).

Citrus2011 [14]

Answer:

m= $-\frac{1}{9}$

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers