4 years ago

Write repeating decimal 0.027272727 ... as a fraction.

Mathematics

1 answer:

11111nata11111 [884]4 years ago

4 0

Answer:

27/100

Step-by-step explanation:

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The library is 0.96 miles away from theo'"s home Write this distance as a fraction in simplest form.

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3 years ago

A circular pond is modeled by the equation x^2 + y^2= 225. A bridge over the pond is modeled by a segment of the equation x – 7y

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$x^2+y^2=225 \\
x-7y=-75 \\ \\
\hbox{solve the second equation for x:} \\
x-7y=-75 \ \ \ |+7y \\
x=7y-75 \\ \\
\hbox{substitute 7y-75 for x in the first equation:} \\
(7y-75)^2+y^2=225 \\
49y^2-1050y+5625+y^2=225 \\
50y^2-1050y+5625=225 \ \ \ \ \ \ \ \ \ |-225 \\
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y^2-21y+108=0 \\
y^2-9y-12y+108=0 \\
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$x=7y-75 \\
x=7 \times 12 -75 \ \lor \ x=7 \times 9-75 \\
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