The dimensions of the cylinder can be used to minimise cost of manufacture.
<h3>How to we find minimised cost?</h3>
Let's ignore the metal's thickness and assume that the material cost to manufacture is precisely proportionate to the surface area of a perfect cylinder.
A=2πr(r+h)
Given that V=1000=r2h and h=1000=r2, we can write
A=2πr(r+1000πr2)
A=2πr2+2000r−1
By setting the derivative to zero, we may determine the value of r that minimises A:
A′=4πr−2000r−2
0=4πr−2000r−2
2000r−2=4πr
2000=4πr3
r=500π−−−√3
r=5.419 + cm
h=1000πr2=10.838 + cm
The can with the smallest surface area has a volume of 1000 cm 3 and measures 5.419+ cm in radius and 10.838+ cm in height. The can has a surface area of 553.58 cm 2. Given a constant volume, the cylinder with diameter equal to height has the least surface area.
Can surface area (cm2) versus. radius (cm), where capacity = 1000cm 3.
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Cab services are the best option for transportation in the UK.
Cabs are a type of personalized transport that works in the United Kingdom, this service offers several advantages compared to taxis such as:
- It is cheaper than taxis.
- It is more comfortable and less disturbing.
- They have several options for the number of people traveling.
- They can be booked easily and quickly
- Offers a much faster transportation service than buses or black taxis
- It is available 24 hours a day, 7 days a week.
Based on the above, it can be inferred that Cabs are the best transport service in the UK.
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true because you need to look and evaluate the details provided
Answer:
False
Explanation:
What is a transportation company called?
- Courier companies are usually spin-offs from freight forwarders.
- There are various types of courier companies, such as airfreight courier companies or road couriers.
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After using the format painter, he wants to turn it off. The key he should press is the Esc key. It is f<span>ound on most computer keyboards and used for any of various functions, as to interrupt or cancel the current process or running program, or to close a pop-up window.</span>