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3 years ago

When 23 is subtracted from the square root of three times a number, the result is 16. find the number?

1 answer:

8 0

(√3n)-23=16

Put all of the numbers without a variable on the right side of the equation
(√3n)=39

Simplify
1.732051n=39

Divide 39 by 1.732051
n=22.516658

Round
n=22.5

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A cylindrical swimming pool has a diameter of 20 feet and a height of 3.5 feet. How many gallons of water can the pool contain?

kvasek [131]

Answer:

The swimming pool will contain approx $8243\ gal$ of water.

Step-by-step explanation:

Given the swimming pool is in a cylindrical shape.

And the dimensions are $20\ feet$ diameter with a height of $3.5\ feet.$

Also, $1\ ft^3 =7.5\ gal$

First, we will find the volume of the swimming pool.

The swimming pool is in cylindrical shape.

So, the volume would be $\pi r^2h$

The height $(h)$ is given as $3.5\ feet.$ To calculate radius $(r)$ we will divide the diameter by two.

The radius of the cylinder would be $\frac{20}{2}=10\ feet$

Plug these values in the formula we get,

$\pi r^2h\\=\pi\times 10^2\times 3.5\\=3.14\times 100\times 3.5\\=1099\ ft^3$

Now, it is given $1\ ft^3 =7.5\ gal$

So, $1099\ ft^3 =1099\times 7.5\ gal=8242.5\ gal$

The swimming pool will contain approx $8243\ gal$ of water.

6 0

2 years ago

La oración 3+ (5 + 2) = (5 + 2) +3 muestra qué propiedad?

Flauer [41]

The expression represents commutative property of addition

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3 years ago

Order the numbers from least to greatest

dusya [7]

Order what numbers from least to greatest

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2 years ago

What strategie do u use to divide 98 divided by 7

sineoko [7]

You can break 98 into 2 49's. Hopefully, we know that 49 is 7 * 7, so 98 is 7 * 14. The correct answer is 14. :)

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3 years ago

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The sides are 2, 1, 1.5, and 2.5 clockwise

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