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Mathematics 7 Online
OpenStudy (anonymous):

***MEDAL 4 HELP*** (Image below)

OpenStudy (anonymous):

undeadknight26 (undeadknight26):

cool wolf...

undeadknight26 (undeadknight26):

ok ill stop now :D

undeadknight26 (undeadknight26):

Q4. what is the formula for the perimeter of a rectangle?

OpenStudy (anonymous):

ty ty

undeadknight26 (undeadknight26):

P = 2L + 2W this is the formula right?

undeadknight26 (undeadknight26):

so lets put in what we know... 90 = 2 x 15 + 2w 90 = 30 + 2w -30 -30 60 = 2w /2 /2 30 = w

undeadknight26 (undeadknight26):

right?

undeadknight26 (undeadknight26):

and the first one is 2 because you would do the opposite of what the regular equation is... such as 5 + a = 7 you would do 5 - 7 = a

undeadknight26 (undeadknight26):

Hope i helped!!!

OpenStudy (anonymous):

r=d/t 30

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