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Drupady [299]
2 years ago
6

The volume of a cylinder varies jointly with the square of the radius and the height. If the volume of a cylinder is 50.265 cubi

c
inches when the radius is 2 inches and the height is 4 inches, what is the volume when the radius is 3 inches and the height is 7
inches?
O 89.24 in³
O 65.97 in³
131.95 in³
197.92 in³
Mathematics
1 answer:
Evgesh-ka [11]2 years ago
7 0

Answer:

197.92 in³

Step-by-step explanation:

\textsf{Volume of a cylinder}=\sf \pi r^2 h \quad\textsf{(where r is the radius and h is the height)}

Given:

  • r = 3 in
  • h = 7 in

Substituting the given values into the formula:

\begin{aligned} \implies \textsf{Volume of a cylinder} & =\sf \pi (3)^2(7)\\ & = \sf 63 \pi\\ & = \sf 197.92\:in^3\:(nearest\:hundredth)\end{aligned}

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Answer:

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Step-by-step explanation:

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3 years ago
The exchange rate from Pounds Sterling to Australian Dollars is £1=$1.82
andreyandreev [35.5K]
£164.83. Devide 300 by 1.82.






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3 years ago
Can someone help me with this?
erik [133]

The equilibrium price is $12.

<h3>What is the equilibrium price ?</h3>

Equilibrium is the point where the quantity demanded is equal to the quantity supplied. The price at equilibrium is known as the equilibrium price and the quantity at equilibrium is known as the equilibrium quantity.

When shown on a graph, equilibrium is the point where the quantity demanded curve is equal to the quantity supplied curve.

When there is equilibrium, the equation of quantity demanded would be equal to the equation of quantity supplied.

-280 + 40p = 800  - 50p

In order to determine the value of p, take the following steps:

Combine similar terms: 800 + 280 = 40p + 50p

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7 0
1 year ago
I don’t know how to find X or Y very urgent, need to figure this out how to solve plz help
Lena [83]

Answer:

x = 9

y = 9√3 = 15.6

Step-by-step explanation:

The triangle given is a right triangle, therefore:

✔️apply trigonometric ratio formula to find x:

Reference angle = 60°

Hypotenuse = 18

Adjacent = x

Thus:

Cos (60) = x/18

Multiply both sides by 18

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✔️find y by applying pythagorean theorem:

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3 0
3 years ago
Round 141.999 to the nearest tenth
Minchanka [31]
Hundredth: 142
Hundred: 100
Ten: 140
Tenth: 142<span />
7 0
3 years ago
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