3 years ago

PLZZZ HELP ITS FOR MY FINAL if 7a/8=14 then 12a=

Mathematics

1 answer:

hodyreva [135]3 years ago

5 0

A=16

So 12A would be (12*16)
So 12A= 192

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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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miss Akunina [59]

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3 years ago

Read 2 more answers

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Ymorist [56]

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