Mathematics: Last month ellen was in school for 116 hours. each school day is 6 hours long. how many school days was ellen in school last month? ?

Step-by-step explanation:we know thatThe standard form of the quadratic equation is equal to we haveeliminate the parenthesisgroup terms that contain the same variablecombine like terms...

Last month ellen was in school for 116 hours. each

Ответ:

STAYxALIVE7814

02.01.2022

Mathematics

lol

Step-by-step explanation:

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Ответ:

lizbeth696

30.01.2020

Mathematics

$7x^{2}-2x-12=0$

Step-by-step explanation:

we know that

The standard form of the quadratic equation is equal to $ax^{2} +bx+c=0$

we have

$(5x^{2}-3x-2)-(-2x^{2}-x+10)$

eliminate the parenthesis

$5x^{2}-3x-2+2x^{2}+x-10$

group terms that contain the same variable

$(5x^{2}+2x^{2})+(-3x+x)+(-2-10)$

combine like terms

$7x^{2}-2x-12=0$

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Last month ellen was in school for 116 hours. each school day is 6 hours long. how many school days was ellen in school last month? ?

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