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2 years ago

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

Mathematics

2 answers:

AleksAgata [21]2 years ago

3 0

Answer:

81π ft³

Step-by-step explanation:

If the diameter is 6 ft, the radius is 3 ft.

The volume is V = (area of base)(height).

Here, V = (π[3 ft]²)(9 ft) = 81π ft³

Zolol [24]2 years ago

3 0

Answer:

ANSWER (B)=81

Step-by-step explanation:

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When Carson runs the 400 meter dash, his finishing times are normally distributed with a mean of 63 seconds and a standard devia

Gnom [1K]

Answer: in 95% of races, his finishing time will be between 62 and 64 seconds.

Step-by-step explanation:

The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean . The empirical rule is further illustrated below

68% of data falls within the first standard deviation from the mean.

95% fall within two standard deviations.

99.7% fall within three standard deviations.

From the information given, the mean is 63 seconds and the standard deviation is 5 seconds.

2 standard deviations = 2 × 0.5 = 1

63 - 1 = 62 seconds

63 + 1 = 64 seconds

Therefore, in 95% of races, his finishing time will be between 62 and 64 seconds.

6 0

2 years ago

Translate each sentence into an equation. Then find each number.

valentina_108 [34]

Answer:

Its c

Step-by-step explanation:

P.s solved it roughly

6 0

2 years ago

Read 2 more answers

Which could be used to evaluate the expression -6(4 2/3)

olasank [31]

Answer:

-28

Step-by-step explanation:

4 2/3=14/3

-6(14/3)=-2*14=-28

6 0

3 years ago

SAT question <br> Can someone explain to me what this is asking

frozen [14]

Answer:

Step-by-step explanation:

The vertex is the turning point of the parabola.

First find the zeros by equating y to zero, that is

(x - 6)(x + 12) = 0

Equate each factor to zero and solve for x

x - 6 = 0 ⇒ x = 6

x + 12 = 0 ⇒ x = - 12

The vertex lies on the axis of symmetry which is situated at the midpoint of the zeros, thus

$x_{vertex}$ = $\frac{6-12}{2}$ = $\frac{-6}{2}$ = - 3

Thus the x- coordinate of the vertex is x = - 3 → B

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3 years ago

Graph the image of square RSTU after a rotation 270° counterclockwise around the origin.

djyliett [7]

Rotating 270 degrees counterclockwise about the origin is the same as rotating 90 degrees clockwise about the origin, which can be expressed in coordinate notation $(x,y) \longrightarrow (y, -x)$ .

So, the vertices of the image are:

$U(4,0) \longrightarrow U'(0, -4)\\\\T(5,0) \longrightarrow T'(0, -5)\\\\S(5,-1) \longrightarrow S'(-1, -5)\\\\R(4, -1) \longrightarrow R'(-1, -4)$

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2 years ago