A cereal box has a length of 8 inches, a width of 2.5 inches and a height of 12 inches. The cereal box is made completely of car dboard. What is the least amount of cardboard needed to make the cereal box?
1 answer:
We know thatthe answer is the least amount of cardboard needed to make the cereal box is 292 in </span>²
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x would equal -11 or 13
Step-by-step Explanation:
x(x - 2) - 143 = 0
x^2 - 2x - 143 = 0
-2x + x^2 = 143
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x - 13 = 0
Add 13 to both sides
x = 13
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Subtract 11 from both sides
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