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jok3333 [9.3K]
3 years ago
8

Pls help me with the question?​

Mathematics
1 answer:
Ymorist [56]3 years ago
6 0

Answer:

17 I'm pretty sure.

Step-by-step explanation:

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The lateral area of a cylinder is 100pi in^2. If its dimensions are reduced to one-fifth their original length, what would its n
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Answer:

4pi in^2

Step-by-step explanation:

Lateral surface area of a cylinder = 2πrh

π = pi

r = radius

h = height

Let me illustrate with an example

A cylinder has the following dimensions

r = radius = 20  

h = height  = 10

lateral area = 2 x π x 20 x 10 = 400π

If dimensions are reduced to one-fifth their original length, new dimensions are

r = radius = 20  x 1/5 = 4

h = height  = 10 x 1/5 = 2

New lateral area = 2 x 4 x 2 x π = 16π

change in lateral area = 400π / 16π = 25

If dimensions are reduced by 1/5, lateral area would reduce by 25

100 pi / 25 = 4

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3 years ago
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Which equation has the same solution as 10x-x+5=4110 x − x + 5 = 41?
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What’s 1/3 • 5/4 and 1/5•2/3
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Answer:

Step-by-step explanation:

1/2 + 2/3 + 5/4 = 29/

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≅ 2.4166667

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Identify three of the key messages used by advertisers when promoting their products.
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Answer:

Three key messages often used are: 1. "Everyone is doing it"; 2. "It's fun to use our products"; 3. "You will be successful if you use our products."

Step-by-step explanation:

hope it helps

4 0
3 years ago
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