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3 years ago

Plzzz help meh 10 points is all i can give

Mathematics

1 answer:

Nina [5.8K]3 years ago

4 0

Answer:

the bedroom will be 840 feet cubed

Step-by-step explanation:

l x w x h

10 x 7 x 6

10 x 7 = 70

6 x 7 = 42

6 x 70 = 420

well lets double 6 -- 10 x 7 (6 x 2) =

10 x 7 x 12 =

70 x 12 =

70 x 10 + 70 x 2 =

700 + 140 =

840 feet cubed

so yes if you double one side you get double the volume

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Use arrow notation to describe the translation of point P(–9, 5) to point P′(–6, 7).

Andreyy89

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4 years ago

A large cylindrical cooler is 2 (1 )/2 feet high and has a diameter of 1 1/2 feet. It is filled 3/4 high with water for athletes

Ivahew [28]

So.. if hmm check the picture below, the radius is half that diameter

thus $\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad 
\begin{cases}
h=height\\
r=radius=\frac{diameter}{2}\\
----------\\
h=2\frac{1}{2}\to \cfrac{5}{2}\\
diameter=1\frac{1}{2}\to \cfrac{3}{2}\\
r=\cfrac{\frac{3}{2}}{2}\to \cfrac{3}{4}
\end{cases}\implies V=\pi \left( \cfrac{3}{4} \right)^2\cfrac{5}{2}
\\\\\\
V=\pi \cdot \cfrac{9}{16}\cdot \cfrac{5}{2}\impliedby \textit{how much is }\frac{3}{4}\textit{ of that?}
\\\\\\
\cfrac{3}{4}\left( \pi \cdot \cfrac{9}{16}\cdot \cfrac{5}{2} \right)$

simplify that away

now.. that's how much is in the cooler in cubic feet though, not in gallons

notice, our units were in feet, thus our volume is also in feet, just cubics

so. to know how many gallons, simply divide that by 231

$\bf \cfrac{\frac{3}{4}\left( \pi \cdot \frac{9}{16}\cdot \frac{5}{2} \right)}{231}\quad gallons$

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4 years ago

What is 12 ÷ 1 1/5 ?

masya89 [10]

Answer:

Step-by-step explanation:

12 ÷ 1 1/5

Change to an improper fraction

12 ÷ ( 5*1+1)/5

12 ÷ 6/5

Copy dot flip

12 * 5/6

12/6 * 5

2*5

3 0

3 years ago

Read 2 more answers

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Annette [7]

The correct answer is $44.20.
If we add up all the tips, the total is $442. If we divide this by the number of days (10), then we find the mean.
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4 years ago

The water company that serves St. George Island charges a base facility fee of $32.00 each month. In addition, they charge $6.53

prohojiy [21]

The function for the monthly charge for water service would be

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4 years ago