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anonymous
 one year ago
Jackie has 3 square tablecloths with each side equal to k units. For each piece, she does something different to it according to each part below:
Part A: Jackie stitched rectangular strips of cloth along two adjacent sides of the tablecloth to increase its length and width by p units each. What will be the change in the area of the tablecloth? Show your work. (4 points)
Part B: Jackie cut off rectangular strips from two adjacent sides of the tablecloth to decrease its length and width by p units each. What will be the change in the area of the tablecloth? Show your work. (3 points)
anonymous
 one year ago
Jackie has 3 square tablecloths with each side equal to k units. For each piece, she does something different to it according to each part below: Part A: Jackie stitched rectangular strips of cloth along two adjacent sides of the tablecloth to increase its length and width by p units each. What will be the change in the area of the tablecloth? Show your work. (4 points) Part B: Jackie cut off rectangular strips from two adjacent sides of the tablecloth to decrease its length and width by p units each. What will be the change in the area of the tablecloth? Show your work. (3 points)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Part C: Jackie cut off a strip of cloth from one side of the tablecloth and pasted the strip on an adjacent side of the tablecloth to increase its length by p units and decrease its width by p units. What will be the change in the area of the tablecloth? Show your work. (3 points)

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1dw:1438272013768:dw

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1the area before strip = k^2 can you work out the area after?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1well they ask for the change in area so its the area of the 2 strips one has area k*p or kp the other has area p* (k + p) = p(k+p)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok im starting to get it'

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1dw:1438272295065:dw

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1we can simplify this to p^2 + 2kp

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1oh i got that last drawing wrong  ignore it kp + p(k + p) = kp + kp + p^2 = p^2 + 2kp

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1dw:1438272749401:dw