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Mathematics 7 Online
OpenStudy (mrhirohito):

Which inequality best models the situation if variable p is the length of a piece of wood in feet? The pieces of wood used in a building project must be less than feet long. Show the possible lengths. A. and may be a negative number. B. and must be a positive number. C. and must be a positive number. D. and may be a negative number.

OpenStudy (mrhirohito):

Directrix (directrix):

Something is missing from the question. >> be less than ? feet long. Less than how many feet long?

OpenStudy (calculusxy):

(1) Length can't measured by negative numbers. (2) The length of the pieces of wood must be LESS than 15 3/4. So if it's less than, what will be the inequality symbol?

OpenStudy (mrhirohito):

um.....

OpenStudy (mrhirohito):

no clue... .3. its been awhile since i got into this type of thing....

Directrix (directrix):

Do you agree that the value of p (length of piece of wood) must be a positive number?

Directrix (directrix):

@MrHirohito Is that a "yes" or "no?"

OpenStudy (mrhirohito):

No...I think so....

Directrix (directrix):

>Do you agree that the value of p (length of piece of wood) must be a positive number? If you measure the wood with a ruler, the length would not be negative. It would be positive. That eliminates two of the options.

OpenStudy (mrhirohito):

C. Right?

OpenStudy (mrhirohito):

Just a random guess sir. ^-^

OpenStudy (calculusxy):

Your guess was correct

Directrix (directrix):

>>C. Right? Yes.

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