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Mathematics 15 Online
MsBrains (ms-brains):

PLEASE HELP ME WITH TWO QUESTIONS!! I WILL FAN AND MEDAL

MsBrains (ms-brains):

OpenStudy (alexandervonhumboldt2):

ok lets mark length=l and wight=w l=3w+5 2*(l+w)=58

OpenStudy (alexandervonhumboldt2):

l=3w+5 l+w=29

OpenStudy (alexandervonhumboldt2):

substitute: 3w+5+w=29

OpenStudy (alexandervonhumboldt2):

4w=29-5

OpenStudy (alexandervonhumboldt2):

4w=24 w=6

MsBrains (ms-brains):

So the answer is 29in?

OpenStudy (alexandervonhumboldt2):

thus wight is equal to 6, then leght is equal to l=3w+5=3*6+5=18+5=23

OpenStudy (alexandervonhumboldt2):

first we need to find wight, then length

OpenStudy (alexandervonhumboldt2):

as wight is equal to 6 we substitute it into l=3w+5 equation and solve: l=3w+5=3*6+5=18+5=23

OpenStudy (alexandervonhumboldt2):

everything is correct

MsBrains (ms-brains):

Everything can't be correct. it is only one.

OpenStudy (alexandervonhumboldt2):

no i meant my work is correct

MsBrains (ms-brains):

Lol. so it's 23?

OpenStudy (alexandervonhumboldt2):

yeah

MsBrains (ms-brains):

OpenStudy (alexandervonhumboldt2):

v=(bh)/3 first multiply both sides by 3: v*3=(bh)/3*3 bh=3v now dividde both sides by b: bh/b=3v/b h=3v/b

MsBrains (ms-brains):

That is the correct one?

OpenStudy (alexandervonhumboldt2):

yeah

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