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anonymous
 one year ago
The expression to find the perimeter of a rectangle is 2(length + width). What is the perimeter, in units, of a rectangle of length fraction 1 over 7 unit and width fraction 1 over 2 unit?
fraction 1 and 1 over 7 units fraction 1 and 2 over 7 units fraction 4 over 9 unit fraction 2 over 9 unit
anonymous
 one year ago
The expression to find the perimeter of a rectangle is 2(length + width). What is the perimeter, in units, of a rectangle of length fraction 1 over 7 unit and width fraction 1 over 2 unit? fraction 1 and 1 over 7 units fraction 1 and 2 over 7 units fraction 4 over 9 unit fraction 2 over 9 unit

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phi
 one year ago
Best ResponseYou've already chosen the best response.0length is 1/7 width is 1/2 can you add those two fractions?

phi
 one year ago
Best ResponseYou've already chosen the best response.0\[ \frac{1}{7}+ \frac{1}{2} \] use 14 as the common denominator

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0Perimeter = 2L + 2W let l = 1/7 and w = 1/2 Perimeter =\[2(\frac{1}{7})+2(\frac{1}{2})\]

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0ok then multiply first.

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0what is 2 x 1/7 what is 2 x 1/2

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0dw:1437738157402:dw

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0ok... tip: keep your result in fraction form because decimals are nasty

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0dw:1437738291917:dw

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0not a good idea to use calculator... I know universities that ban them .

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0anyway we take the LCD because we have one fraction and one whole number

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0dw:1437738349274:dw

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0so it's just what's 2 +7 you'll get the numerator

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0yeah so the perimeter is 9/7

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0oh ... I see your choices are in mixed fraction form . we just have to adjust 9/7 because it's improper

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0dw:1437738535938:dw

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0though both versions are right XD

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0open a new question XD
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