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Ierofanga [76]
2 years ago
7

Geometry Round volume to nearest tenth

Mathematics
1 answer:
-Dominant- [34]2 years ago
4 0

Answer:

volume= 912.9ft^{3} (not sure how you want to round the answer. it could be rounded to 913 or left as 912.9)

Step-by-step explanation:

<u>volume of cone:</u> to find the height of the cone, subtract the cylinder height from the total height (H-h= cone height)

<u></u>V=\pi r^2\frac{h}{3} \\V=\pi (5.6)^2(\frac{6.8}{3} )\\V=\pi (31.36)(2.2666...)\\V=71.08057\pi \\V=223.3062

<u>volume of cylinder:</u>

<u></u>V=\pi r^2h\\V=\pi (5.6)^2(7)\\V=\pi (31.36)(7)\\V=219.52\pi \\V=689.6424

<u>add them together:</u>

<u></u>V=223.3062+689.6424\\V=912.9486

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3 years ago
The scale model of a skyscraper being built is 4.2 feet tall. When it is finished, the skyscraper will be 525 meters tall. What
luda_lava [24]
There are two scales that may be possible for this scale model; one where it's for every foot and one where it's for every meter.
The for every foot would be better to find out since the scale would be easier to use.
First, you have to divide each sided by 4.2, since you want to find how many meters for each foot.
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If the rate of inflation is 2.8% per year, the future price p(t) (in dollars) of a certain item can be modeled by the following
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3 0
3 years ago
June made a design with 6 equal tiles.One tile is yellow 2 tiles are blue and 3 tiles are purple. what fraction of the tiles are
lana66690 [7]

we know that

The fraction of each tile color can be found by dividing the number of tiles for each tile by the total number of tiles, then simplifying the fraction if possible.

Let

N----------> total number of tiles

Y---------> number of yellow tiles

B--------> number of blue tiles

P--------> number of purple tiles

we have

N=6\\ Y=1\\ B=2\\ P=3

<u>1) Find the fraction of yellow tiles</u>

we know that

the fraction of yellow tiles is equal to

Y/N

substitute the values

1/6

<u>2) Find the fraction of purple tiles</u>

we know that

the fraction of purple tiles is equal to

P/N

substitute the values

3/6

<u>3) Find the fraction of yellow tiles or purple tiles</u>

we know that

the fraction of yellow tiles or purple tiles is equal to

(Y/N)+(P/N)=(1/6)+(3/6)=4/6=2/3

therefore

<u>the answer is</u>

2/3


3 0
4 years ago
Read 2 more answers
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