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anonymous
 4 years ago
A box with an open top is formed by cutting squares out of the corners of arectangular piece of cardboard and then folding up the sides . If x reps the length of the side of the square cut from each corner, and if the original piece of cardboard is 16in by 9in . What size square must be cut if the volume of the box is to be 120 cubic inches?
PLEASE HELP ME SOLVE
anonymous
 4 years ago
A box with an open top is formed by cutting squares out of the corners of arectangular piece of cardboard and then folding up the sides . If x reps the length of the side of the square cut from each corner, and if the original piece of cardboard is 16in by 9in . What size square must be cut if the volume of the box is to be 120 cubic inches? PLEASE HELP ME SOLVE

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Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.2x(14450x+4x^2)=120 144x50x^2+4x^3120=0

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.2\[4x^350x^2+144x120=0\]

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.2I would use synthetic division to solve that and I would try some fairly small numbers like 2 and 3 first. No need to try negative numbers as the answer must be positive.
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