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WINSTONCH [101]

3 years ago

15

A spherical tank has a radius of 6 yards. It is filled with a liquid the cost $7.15 per cubic yard.

2 answers:

liubo4ka [24]3 years ago

7 0

Answer:the answer is 6465.89 that is correct got it right on the test that is to nearest cent.

Step-by-step explanation:

mote1985 [20]3 years ago

3 0

We have two questions, but we need to find the volume of the spherical tank first.
So the formula we will use to find the volume is:
(4/3)πr³=V
Let's fill in the information we have and solve. We will be using 3.14 for pi.
(4/3)(3.14)6³
(4/3)(3.14)(216)
4.1867×216
I'll be using the repeating decimal for 4.1867, I rounded to 7, but there is a repeating 6.
904.32
So the volume is 904.32 yards³ (or 904.78 if using the full pi)
We have to multiply the volume by 7.15.
904.32×7.15
6,465.89
It will cost $6,465.89 to fill the tank with the liquid.

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$\huge \boxed{\mathbb{QUESTION} \downarrow}$

$- 2 ( 2 x + 3 ) \leq 26.$

$\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}$

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Divide both sides by -2. We know that since 2 is negative, it'll be < (less than) 0. So, the direction of inequality will change.

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Answer:

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4.6 gallons at 2.70 per gallon.

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