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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.

Mathematics
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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Add up the answer first to see of these correct or incorrect, if incorrect explain why it is not equal.
Stells [14]

Answer:

1) incorrect

2) incorrect

Step-by-step explanation:

-2x-2x = 0 ?

-2x -2x = -4x

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x+x = x² ?

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They will be equal if x = 0 or 2.

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8 0
3 years ago
A circle has a radius of 6 meters. Find the area of the sector whose central angle is 82°. Round to the nearest tenth.
jok3333 [9.3K]

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5 0
3 years ago
The length of a rectangle is six times its width. If the area of the rectangle is 486 in 2 , find its perimeter.
seraphim [82]

w - width

6w - length

486 in² - area of the rectangle

(w)(6w) = 6w² - area of the rectangle

The equation:

6w² = 486     <em>divide both sides by 6</em>

w² = 81 → w = √81

w = 9 in

l = 6w → l = (6)(9) → l = 54 in

The perimeter: P = 2l + 2w

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<h3>Answer: The perimeter is 126in</h3>
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Masteriza [31]
Y-y1=m(x-x1)

find slope
(y2-y1)/(x2-x1)

so
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6 0
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Show your work !!!!!!!!!!!!
sdas [7]
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