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Sav [38]
3 years ago
8

PLEASE HELP!!! I HAVE A TEST!!!

Mathematics
2 answers:
Alex Ar [27]3 years ago
8 0
(55/100)x = 121
0.55x = 121
x = 121/0.55
x = 220 which means the answer is A
dsp733 years ago
4 0
PLEASE HELP!!! I HAVE A TEST!!!
121 is 55% of what number?
C. 66.55
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Gasoline is pouring into a vertical cylindrical tank of radius 55 feet. When the depth of the gasoline is 66 feet, the depth is
Savatey [412]

The volume of gasoline in the cylindrical tank is increasing at 23.56 ft.³/sec when the depth of the gasoline in the tank is 6 feet. Computed using differentiation.

Since the tank is cylindrical in shape, its volume can be written as:

V = πr²d,

where V is its volume, r is the radius, and d is the depth.

The radius is constant, given r = 5ft.

Thus the volume can be shown as:

V = π(5)²d,

or, V = 25πd.

Differentiating this with respect to time, we get:

δV/δt = 25πδd/δt ... (i),

where δV/δt, represents the rate of change of volume with respect to time, and δd/δt represents the rate of change of depth with respect to time.

Now, we are given that when the depth increases at 0.3 ft./sec when the depth of the gasoline is 6 feet.

Thus, we can take δd/δt = 0.3 ft./sec, in (i) to get:

δV/δt = 25πδd/δt = 25π(0.3) ft.³/sec = 23.56 ft.³/sec.

Thus, the volume of gasoline in the cylindrical tank is increasing at 23.56 ft.³/sec when the depth of the gasoline in the tank is 6 feet. Computed using differentiation.

The question written correctly is:

"Gasoline is pouring into a vertical cylindrical tank of radius 5 feet. When the depth of the gasoline is 6 feet, the depth is increasing at 0.3 ft./sec. How fast is the volume of gasoline changing at that instant?"

Learn more about differentiation at

brainly.com/question/15006940

#SPJ4

3 0
2 years ago
Select all of the zeros of the function f(s) = (5x - 7)(x + 3)
Brrunno [24]

Answer:

Step-by-step explanation:

5 0
4 years ago
Use the diagram to find the measure of the given angle.
Lyrx [107]

Answer:

50

Step-by-step explanation:

4 0
3 years ago
What is the midpoint of Line segment A B ? A number line going from negative 9 to positive 9. A closed circle appears at negativ
Jlenok [28]

Answer:

G is the mid-point of line segment AB ⇒ 2nd answer

Step-by-step explanation:

* Lets explain how to solve the problem

- The mid-point of a line is the point which divides the line into

  two equal parts

- There are four points between points A and B

- The four points are F , G , H , L

- one of them is the mid-point of AB

- The location of A is -6

- The location of F is -2

- The location of G is 1

- The location of H is 2

- The location of L is 3

- The location of B is 8

* <u><em>Lets find the distance between points A and B</em></u>

∵ Point A is located at -6

∵ Point B is located at 8

∵ The distance between A and B = location of B - location of A

∴ AB = 8 - (-6) = 8 + 6 = 14 units

- The mid-point of AB will divide it into two equal part, the length

  of each part is 14/2 = 7 units

∴ The mid-point location will be after point A by 7 units

∵ The location of point A is -6

∴ The location of the mid-point = -6 + 7 = 1

∴ The location of the mid-point of AB is 1

∵ The location of point G is 1

∴ G is the mid-point of line segment AB

7 0
4 years ago
Read 2 more answers
Please answer and show a little work
Pavlova-9 [17]

1 kilometer = 1000 meters

3 kilometers would be 3000 meters

Divide total meters by number of parcels:

3000 / 10 = 300

The answer is 300 meters

5 0
3 years ago
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