3 years ago

A circular running track is 1/2 mile long. Elena runs on this track, completing each lap in 1/10 of an

Mathematics

2 answers:

Aliun [14]3 years ago

7 0

Answer:

5 mph

Step-by-step explanation:

1/2 mile in 1/10 of an hour

1 mile in 1/5 of an hour

5 miles in 1 hour

fomenos3 years ago

3 0

The answer might be wrong but

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Answer:

It would be between -3 and 2

Step-by-step explanation:

cause -2.5 is greater than -3 and its less than 2

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3 years ago

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3 years ago

Rearrange the quadration equation so that it is equal to 0. Then factor the equation.

Alenkasestr [34]

What is the equation?

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4 years ago

NEED HELP IMMEDIATELY. I WILL BRAINLIEST. NEED TO SOLVE FOR X INTERCEPT

Kay [80]

Answer:

(1+√7,0),(1−√7,0)

Step-by-step explanation:

You can't factor the expression evenly, so use the quadratic formula.

a = 2

b= -4

c= -12

$\frac{-b+\sqrt{b^{2}-4ac } }{2a}$

$\frac{4+\sqrt{16{}-4(2)(-12)} }{2(2)}$

$\frac{4+\sqrt{16-4(-24)} }{4}$

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$\sqrt{112} = 4\sqrt{7}$

End result: (1+√7,0),(1−√7,0)

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3 years ago