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tino4ka555 [31]
2 years ago
14

The volume of a cylinder is 4πx3 cubic units and its height is x units. Which expression represents the radius of the cylinder,

in units? 2x 4x 2πx2 4πx2
Mathematics
2 answers:
Mekhanik [1.2K]2 years ago
5 0

Answer:

It's A

Step-by-step explanation:

igor_vitrenko [27]2 years ago
4 0

Answer:

2x

The answer is A.

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Marizza181 [45]

Answer:

The number of pens sold on Monday is 107 pens

Step-by-step explanation:

total pack of pen sold by the retailer in 3 days =  10 packs

total number of pens in the 10 packs = 48 x 10 = 480 pens

let the number of pens sold on Monday = x

let the number of pens sold on Sunday = y

let the number of pens sold on Tuesday = z

He sold twice as many pens on Sunday than on Monday

y = 2x ------equation (1)

He sold 55 pens fewer on Tuesday than on Sunday

y = z + 55 ------equation (2)

total number of pens sold in the three days

y + z + x = 480  ------equation (3)

from equation (1) make x the subject of the formula

x = y/2

from equation (2) make z the subject of the formula

z = y - 55

substitute the value of x, and z into equation (3)

y + y/2 + y - 55 = 480

2y + y/2 = 480 + 55

5y/2 = 535

5y = 535 x 2

5y = 1070

y = 1070 / 5

y = 214

The number of pens sold on Monday is:

x = y / 2

x = 214 / 2

x = 107 pens

Thus, the number of pens sold on Monday is 107 pens

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Answer:

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Step-by-step explanation:

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D. 78pi in
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You can use the change of base formula to get

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and also

\log_6(20) = \frac{\log(20)}{\log(6)} \approx 1.671950

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Answer:

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Step-by-step explanation:

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