2 years ago

Hadley runs several times around the

Mathematics

1 answer:

Nady [450]2 years ago

7 0

1.75 - .40 is 1.35 so 1.35 divided by .15 is 9 do she ran the track 9 times

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Marysya12 [62]

Answer:

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Step-by-step explanation:

we know that

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3 years ago

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jeka57 [31]

Answer:

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Gnom [1K]

Answer:

$x_{1}=\frac{+3+\sqrt{5} }{2}\\\\x_{2}=\frac{+3-\sqrt{5} }{2}$

Step-by-step explanation:

Using:

$x=\frac{-b+-\sqrt{b^{2}-4*a*c} }{2*a}$

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$x_{1}=\frac{+3+\sqrt{-3^{2}-4*1*1} }{2*1}\\\\x_{2}=\frac{+3-\sqrt{-3^{2}-4*1*1} }{2*1}$

We have two solutions:

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