Mathematics: A9 cm tall cone shaped paper cup can hold up to 58.9 cm cubed of water. what is the minimum amount of paper needed to make the paper cup, assuming no overlap in the paper? use 3.14 for π.

A9 cm tall cone shaped paper cup can hold up to - id9581179605, mendezmarco2004

Ответ:

edwardordonez66

01.06.2020

Volume of a cone, V = πr^2h/3

r = Sqrt 3V/πh = Sqrt [(58.9*3)/(3.14*9)] = 2.5 cm, minimum

Surface area, A = πr [r+ Sqrt (h^2+r^2)] = 3.14*2.5*[2.5+ Sqrt (9^2+2.5^2)] = 92.95 cm^2

Therefore, minimum amount of paper required is 92.95 cm^2

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Ответ:

Arealbot

27.02.2023

Mathematics

$104.738

Step-by-step explanation:

Let's work out the stock plan first:

$2,000 - 7% in the first year = $1,860

$1,860 + 10% = $2,046 in the second year

Savings account:

$2,000 + 3.7% = $2,074 in the first year

$2,074 + 3.7% = $2,150.738 in the second year

The difference:

$2,150.738 - $2,046 = $104.738

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A9 cm tall cone shaped paper cup can hold up to 58.9 cm cubed of water. what is the minimum amount of paper needed to make the paper cup, assuming no overlap in the paper? use 3.14 for π.

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