lili123434 lili123434

27-03-2020
Mathematics

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A rectangle has a width of (7m - 1) and a length of (5m + 5). Which expression represents the area of the rectangle?

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wegnerkolmp2741o wegnerkolmp2741o

27-03-2020

Answer:

35 m^2 + 30 m - 5

Step-by-step explanation:

The area of a rectangle can be found by

A = l*w

= (7m-1) ( 5m+5)

FOILing

= (7m*5m) + 7m*5 + -1*5m -5

= 35m^2 +35m -5m -5

= 35 m^2 + 30 m - 5

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