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miv72 [106K]
3 years ago
14

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? 54 cubic feet 81 cubic feet 108 cubic feet 324 cubic feet
Mathematics
2 answers:
posledela3 years ago
8 0
The correct answer is 54 CUBIC.
The following information are given in the question:
Height, H = 9 feet
Diameter, B = 6 feetV
Volume of cylinder = ?
The formula for finding the volume of a cylinder is:
V = BH, Where, V is the volume, B is the diameter and H is the height.
V = 6 * 9 = 54.
Therefore V = 54 Cubic feet.
alexandr402 [8]3 years ago
7 0

Answer:

81 pi or 254.469004941

Step-by-step explanation:

I got this right on a test bruh

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Define a variable and write and inequality to model "To qualify for the long-jump finals, I need to jump at least 14 ft."
kvv77 [185]
2 is the anwser ok? LAright?

5 0
3 years ago
Which explains whether or not the function represents a direct variation?
s2008m [1.1K]

Answer:

The function represents a direct variation

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

In a linear direct variation the line passes through the origin and the constant of proportionality k is equal to the slope m

Let

A(0,0) ------> the line passes through the origin

B(2,10)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=10/2=5

C(4,20)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=20/4=5

D(6,30)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=30/6=5

E(8,40)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=40/8=5

The value of k is equal in all the points of the table and the line passes through the origin

therefore

The function represents a direct variation

the equation of the direct variation is equal to

f(x)=5x

4 0
3 years ago
Read 2 more answers
If you help me with this you get brainlisted (:<br> tbh I'm just lazy to do this lol-
skelet666 [1.2K]

Answer: point form

1. (6,24)

2.(-4,-12)

3.(3,15)

4. (-5,-20)

5. (2,4)

6.(-1,-4)

7.(-3,-9)

8.(-4,-8)

9.(3,9)

10.(-6,-30)

Step-by-step explanation:

4 0
3 years ago
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You have 42,784 grams of a radioactive kind of curium. If its half-life is 18 years, how much will be left after 72 years?
s344n2d4d5 [400]

Answer:

2,674.14 g

Step-by-step explanation:

Recall that the formula for radioactive decay is

N = N₀ e^(-λt)

where,

N is the amount left at time t

N₀ is the initial amount when t=0, (given as 42,784 g)

λ = coefficient of radioactive decay

  = 0.693 ÷ Half Life

  = 0.693 ÷ 18

  = 0.0385

t = time elapsed (given as 72 years)

e = exponential constant ( approx 2.7183)

If we substitute these into our equation:

N = N₀ e^(-λt)

= (42,787) (2.7183)^[(-0.0385)(72)]

= (42,787) (2.7183)^(-2.7726)

=  (42,787) (0.0625)

= 2,674.14 g

6 0
3 years ago
What does -4(-8x-8) equal?
slavikrds [6]

Answer:

Lets break it down

( -8 x -8 ) = 64, because a negative x negative always equals a positive

-4 x 64 = -256, because a negative x positive always equals a negative

Your answer is -256.

I hope this helps!

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>
8 0
3 years ago
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