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Anvisha [2.4K]
3 years ago
12

110 points HELP PLZ!!!!!!!!!!!!!!!!

Mathematics
1 answer:
pav-90 [236]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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An artificial lake is in the shape of a rectangle and has an area of 9/20 square mile. The width of the lake is 1/5 the length o
Zina [86]
X=width of the lake
y=length of the lake.
we set out this system of equiations
x*y=9/20
x=y/5
we solve by sustitution method
(y/5)*y=9/20
y²/5=9/20
y²=(5*9)/ 20
y²=2.25
y=√2.25=1.5

x=y/5
x=1.5/5=0.3

Solution:
width of the lake=0.3 miles
lenght of the lake=1.5 miles
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