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Vlad1618 [11]
3 years ago
8

A soft drink company wants to increase the volume of the cylindrical can they sell soft drinks in by 25%. The company wants to k

eep the 5-inch height of the can the same. The radius of the can is currently 2.5 inches. Approximately how much should the radius of the can be increased
Mathematics
2 answers:
almond37 [142]3 years ago
6 0

Answer:

https://slideplayer.com/slide/14286858/ copy paste the link it has a bunch of the answers but sadly no work on it.

Step-by-step explanation:

Vlada [557]3 years ago
3 0

Answer:

The radius should be increased by 0.295 inches.

Step-by-step explanation:

Volume of a cylinder:

In a cylinder, in which the base has radius r, and the height is h, the volume is given by:

V = \pi r^{2}h

In this question:

5 inch height, radius of 2.5 inches. So the volume is given by:

V = \pi (2.5)^2(5) = 31.25\pi

We want to increase the volume by 25%.

So, the new volume is given by:

1.25*31.25\pi = 39.0625\pi

With this volume, keeping the height, the radius should be of:

V = \pi r^{2}h

39.0625\pi = 5\pi r^{2}

r^{2} = \frac{39.0625}{5}

r^{2} = 7.8125

r = \sqrt{7.8125}

r = 2.795

The radius should be of 2.795 inches, which is an increase of 2.795 - 2.5 = 0.295 inches.

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vovikov84 [41]

9514 1404 393

Answer:

  (c)  (3, 3)

Step-by-step explanation:

Point E partitions both the x-distance and the y-distance in the ratio 2 : 1. That is, for either the x-coordinates or the y-coordinates, ...

  CE : ED = 2 : 1

Try the answers with the x-coordinates.

  CE : ED = (1 -(-1)) : (5 - 1) = 2 : 4 . . . . incorrect

  CE : ED = (-3 -(-1)) : (5 -(-3)) = -2 : 8 . . . . incorrect

  CE : ED = (3 -(-1)) : (5 -3) = 4 : 2 = 2 : 1 . . . . correct

  CE : ED = (-1 -(-1)) : (5 -(-1)) = 0 : 6 . . . . incorrect

The only viable choice is (3, 3).

_____

<em>Alternate solution</em>

For a partitioning of m : n, the desired point is ...

  E = (n×C +m×D)/(m+n)

For partitioning of 2 : 1, the desired point is ...

  E = (1×(-1, -3) + 2×(5, 6))/(2+1) = (-1+10, -3 +12)/3

  E = (3, 3)

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3 years ago
Janet wants to purchase a new car. At the car dealership, a salesperson tells her she can choose from 10 car models, 7exterior c
nydimaria [60]

uhh isnt it just 10×7×9=630

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3 years ago
Read 2 more answers
Find the distance between the line 1.2x − 0.5y + 1.1=0 and the origin.
denpristay [2]

Answer:

The answer to your question is: d = 0.85 units

Step-by-step explanation:

Data

Line equation:  1.2 x − 0.5 y + 1.1 = 0        A = 1.2; B = -0.5; C = 1.1

Point (0, 0)                                                  x = 0; y = 0

Formula

d = | Ax + By + C | / √(A² + B²)

Process

d = |(1.2)(0) + (-0.5)(0) + 1.1 | / √ (1.2)² + (0.5)²

d = | 1.1 | / √ 1.44 + 0.25

d = 1.1 / √ 1.69

d = 1.1 / 1.3

d = 0.85 units

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