Please answer. its a open answer question

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

3 0

Answer:

It will take 100 minutes for Brenna's class to walk 5 miles.

Step-by-step explanation:

If it takes 20 minutes for Brenna's class to walk 1 mile, we then multiply both of the numbers by 5 for 5 miles.

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2k^2-5k-18=0 what is both of the values of k? plz help!!! 15 pts!!!

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To factor quadratic equations of the form ax^2+bx+c=y, you must find two values, j and k, which satisfy two conditions.

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2k^2-5k-18=0

2k^2+4k-9k-18=0

2k(k+2)-9(k+2)=0

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so k=-2 and 9/2

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