How do you do 18?? I did a and b, but I don't think I did them right, and I have no idea how to do c.

Mathematics

1 answer:

natulia [17]3 years ago

3 0

Rememer that the perimiter is the distance around
it is
P=L+L+W+W or
P=2L+2W or
P=2(L+W)

so

a.
tenis
L=2x+6
W=x
P=2(2x+6+x)=2(3x+6)=6x+12

basketball
L=3x-14
W=1/2x+32
P=2(3x-14+1/2x+32)=2(3.5x+18)=7x+36

b.
how much bigger is basketball than tennis
7x+36=bigger+6x+12
minus 6x+12 both sides
x+24=bigger
it is x+24 bigger

c.
x=36
Ptenis=6x+12=6(36)+12=216+12=228ft
Pbasketball=7x+36=7(36)+36=252+36=288ft

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