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3 years ago

What kind of wave is shown

Mathematics

1 answer:

Lynna [10]3 years ago

8 0

Answer:

longitudinal

Step-by-step explanation:

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A cylindrical container 30cm in diameter holds approximately 30 litres of oil. how far does the oil level fall after 1 litre of

LenaWriter [7]

The fall in the level of oil is 1.4147 cm when the total volume of oil consumed is 1 liter.

We assume the drop in the level of water to be d cm.

Since the container is cylindrical in shape, its volume is given as:

V = πr²h, where V is the volume, r is the radius, and h is the height.

In the question, we are given that the diameter of the can is 30 cm.

Hence its radius = 30/2 = 15 cm.

The capacity of the container is given to be 30 liters or 30*1000 = 30000 cm³.

The volume of the oil used = 1 liter or 1*1000 = 1000 cm³.

Thus, substituting V = 1000, r = 15, and h = d, in the formula of the volume, V = πr²h, we get:

1000 = π(15)²(d),

or, d = 1000/(225π) = 1.4147.

Thus, the fall in the water level is 1.4147 cm.

Therefore, the fall in the level of oil is 1.4147 cm when the total volume of oil consumed is 1 liter.

Learn more about the volumes of cylinders at

brainly.com/question/9554871

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4 0

2 years ago

On a coordinate plane, rhombus A B C D is shown. Point A is at (1, 1), point B is at (negative 2, negative 3), point C is at (ne

lions [1.4K]

Answer:

20 units

Step-by-step explanation:

We are given that

On a coordinate plane , rhombus ABCD in which point A is at (1,1) and point B is at (-2,-3), point C is at (-5,1) and D is at (-2,5).

We have to find the perimeter of rhombus ABCD.

Distance formula : $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Using the distance formula

Side AB= $\sqrt{(-2-1)^2+(-3-1)^2}=5 units$

We know that sides of rhombus are equal

Therefore, AB=BC=CD=AD=5 units

Perimeter of rhombus= $4\times side$

Perimeter of rhombus= $4\times 5=20 units$

Answer: 20 units

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3 years ago

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Between what two limits , expressed in degrees , are all acute angles found? All obtuse angles?

Tomtit [17]

Answer:

Acute angles are less than 90 degrees, obtuse angles are more than 90 degrees, and right angles are exactly 90 degrees.Step-by-step explanation:

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3 years ago

What are the solutions to the following system of equations? Select the correct answer below.

Galina-37 [17]

Is it really x2 − 2x because that will not work.

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A librarian is putting 87 books in boxes for

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there will be 8 boxes filled and 7 extras books

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