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Vladimir79 [104]
2 years ago
15

A cylindrical pressure vessel has a height of 9 feet and a diameter of 6 feet. how much gas can the pressure vessel hold when fu

ll?
it is either, 54 pie cubic feet, 81 pie cubic feet, 108 pie cubic feet or 324 pie cubic feet
Mathematics
1 answer:
bezimeni [28]2 years ago
8 0

Step-by-step explanation:

the volume of a cylinder is as for any other regular 3D object :

ground area ×height

the ground area of a cylinder is a circle, so it is

pi×radius² × height

the radius is always half of the diameter (of the diameter is airways twice the radius).

radius = 6/2 = 3 ft.

the volume is then

pi × 3² × 9 = pi × 9 × 9 = pi × 81 ft³

so, the answer is 81pi ft³.

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Which points lie on the line that passes through point P and is parallel to the given line? Check all that apply.
11111nata11111 [884]

Answer:

(-1, 3), (-2, 2) and (-5, -1) lie on the line.

Step-by-step explanation:

Let the equation of the line which is parallel to the given line is y = mx + c

Here m is the slope of line similar to the line given = (y - y')/(x - x')

Here (x, y) and (x', y') are (4, 2) and (-2, -4)

then m = (2+4)/(4+2) = 6/6 = 1

Now the equation of the line will be y = x + c

This line passes through point P(0, 4)

4 = 1×0 + c

c = 4

Therefore equation of the line will be

y = x + 4

Now we check for each point given in the question whether it lies on the line or not.

For (-4, 2)

y = (-4) + 4 = 0

Hence not lies on the line.

For (-1, 3)

y = (-1) + 4 = -1 +4 = 3

Hence (-1,3) lies on the line.

For (-2, 2)

y = (-2) + 4 = -2 + 4 = 2

Hence (-2, 2) lies on the line.

For (4, 2)

y = 4 + 4 = 8

Hence (4, 2) lies on the line.

For (-5, -1)

y = -5 + 4 = -1

Hence (-5, -1) lies on the line.

Therefore (-1, 3),(-2, 2) and (-5, -1) lie on the line.

6 0
3 years ago
Read 2 more answers
The weight of the candy that Eric collected on Halloween was 1.3 kilograms. Timothy collected 1.8 kilograms of candy. How many m
Aleks [24]
Since Timothy collected more, we take the amount Timothy collected and subtract the amount Eric collected from that.
1.8 - 1.3 = .5
That means Timothy collected .5 kilograms more candy than Eric.
5 0
3 years ago
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Find the domain and range of x square - 6 X + 6​
mafiozo [28]

Answer:

Domain:(−∞,∞),{x|x∈R}  

Range:(−∞,∞),{y|y∈R}

Step-by-step explanation:

7 0
3 years ago
Find the value of each expression
nikdorinn [45]

Answer: 1. -24

2. -10

3. 8

4. 8

5. -10

6. -75

Step-by-step explanation:

7 0
3 years ago
Which change would make the statement below true?Circle the letter of the correct answer. 3.7 < 3.56 A.put a 0 in the hundred
yKpoI14uk [10]
The answer's D, I think. Hope this helps.
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3 years ago
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