A steel company is making flat rectangular frames as a part of a new product they are launching. Each frame will be cut out of a piece of steel and will have a final area as close to 28 cm2 as possible. The width of the frame needs to be uniform throughout. The inside dimensions of the frame must be 11 cm by 6 cm.

Question

Evie Aguilar

Mathematics

29 September, 12:05

A steel company is making flat rectangular frames as a part of a new product they are launching. Each frame will be cut out of a piece of steel and will have a final area as close to 28 cm2 as possible. The width of the frame needs to be uniform throughout. The inside dimensions of the frame must be 11 cm by 6 cm.

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Elliana · Answer 1

Suppose you have a x2 + bx+c=0 where a, b and c is any number. Plug these in the quadratic formula:

x = - b± √ b2 - 4ac 2a Plug the values and solve for x.