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If you increase the length of a rectangle what has to happen to its width to keep the perimeter the same?
If you increase the length then the width must decrease by the same amount if the perimeter is to remain the same.
How do you produce a new confidence interval with a larger width?
Increase your percent confidence to provide an increased width.
How much does the width of a rectangle increase if the length is increased by 8?
This needs more information. Without some other factor, like a change in area, the width doesn't have to increase at all.
How much will the volume of a rectangular prism increase if its length width and height are doubled?
Because the volume of a rectangular prism is the product of its length, width, and height, if these linear measures are doubled, the volume will increase by a factor of 23 = 8.
Find the length of a rectangular lot with a perimeter of 82m if the length is 5 m more than the width?
OK so we have two formulas: Length = width + 5 (since legth is 5 more than width) length + width + length + width = perimeter= 82 (form. for perm.) so we can replace every instance of "length" with "width + 5" since they are the same. width + 5 + width + width + 5 + width = 82 4xwidth + 10 = 82 4X width = 72 width = 23 so now go back and replace "width" with 23. length = 23 + 5 length = 28 There you go.
