ATAR Notes: Forum
VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Mathematical Methods CAS => Topic started by: sally baker on October 10, 2011, 04:27:51 am
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a piece of wire 100cm in length is to be cut into two pieces,one piece of which is to be shaped into a circle and the other a square.
a) how should the wire be cut if the sum of the enclosed areas is to be a minimum ?
b)how should the wire be used to obtain a maximum area?
question 2
show an open cardboard box of dimensions x cm(width),x cm(length), y cm(height) and the lid for the box of dimensions x cm , x cm and 2cm (height). The total amount of cardboard used for the box and the lid is 1400 cm ^2
Let V cm^3 be the volume of the box.
A) find y in terms of x
B)Find v in terms of x