shonniestanley shonniestanley
  • 14-04-2020
  • Mathematics
contestada

Martha made a rectangular blanket that had a perimeter of 18 feet it was 6 feet long how wide was it

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 14-04-2020

Answer:

3 ft

Step-by-step explanation:

Perimeter is

P = 2(l+w)

Substituting what we know

18 = 2(6+w)

Divide each side by 2

18/2 = 2(6+w)/2

9 = 6+w

Subtract 6 from each side

9-6 = 6+w-6

3 =w

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daphdlc29 daphdlc29
  • 14-04-2020
It’s 3 ft wide because 6+6 is 12 and the perimeter is 18 and 18-12 is 6 so divide that by 2 is 3 for each side which all equals to 18
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