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A square of side x inches is cut out each corner of a 10In by 18In piece of cardboard and the sides are folded up to form an open topped box write the volume v of the box as a function of x?
Wiki User
∙ 14y ago
Sides become 10 - 2x and 18 - 2x, depth is x. Volume is therefore (10 - 2x)(18 - 2x)x
= (4x2 - 56x + 180)x
ie 4x3 - 56x2 + 180x.
Now try to find what value of x gives the greatest volume!
Wiki User
∙ 14y ago
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How many square inches of cardboard are used in an open cardboard box is 8 in wide by 12 in long by 6 in high?
8x12=962x8x6=962x6x12=14496+96+144=336 sq in
Example of a real life linear function?
Linear functions are used to model situations that show a constant rate of change between 2 variables. For example, the relation between feet and inches is always 12 inches/foot. so a linear function would be y = 12 x where y is the number of inches and x is the number of feet. y = 24 x models the number of hours in any given number of days {x}. Business applications abound. If a cell phone company charges a start-up fee of $50 and then $.05 for every minute used, the function is y = .05 x + 50.
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How can you convert inches into square inches?
To convert inches to square inches you need to know 2 different dimensions of an object. The 2 dimensions have to be in inches or converted into inches. Here is an example: The front of an object is 1 foot tall by 8 inches wide, what is the objects area in sq. inches. Solution: Height is 1 foot or 12 inches and the width of the object is 8 inches. 12 inches x 8 inches = 96 sq. inches.
What is 2 inches x 4 inches x 6 inches?
48 cubic inches
When A square piece of cardboard is cut 2 from each corner and it has a volume of 162 cubic inches what is the size of the cardboard?
It has 156 cubic inches
The area of square piece of cardboard is 81 square inches. What is the length of the cardboard?
9 inches
The area of a square piece of cardboard is 81 square inches What is the length of the cardboard?
the answer is 9 inches
The area of a square piece of cardboard is 81 square inches - what is the length of the cardboard?
answer is D. 9 inches
The area of a square piece of cardboard is 81 square inches. What is the length of the cardboard?
the answer is 9 inches
This figure shows a pattern for a cardboard box before it has been cut and folded Find the surface area if x is 2.5 inches?
This site doesn't show figures, so nobody can understand your question.
The area of a square piece of cardboard is 81square inches what is the length of the cardboard?
9.
What unit do you use the thickness of a piece of cardboard?
Inches
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5*4 = 20 square inches
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1680 cubic inches
What is most appropriate metric unit for width of computer screen?
It is still customary to measure, in inches, a screen from corner to corner diagonally.
