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Mathematics 15 Online
OpenStudy (anonymous):

a 9 foot board is cut into two pieces. If one piece is x feet long, express the other terms of x

OpenStudy (phi):

express the other *in* terms of x

OpenStudy (anonymous):

idk how to do that

OpenStudy (phi):

It is *very* important to understand how to do this, else algebra will be hard to do. Look at a ruler. If you break it in two at the 3 inch mark, can you figure out how long each piece is?

OpenStudy (anonymous):

its on the computer. so there is no ruler

OpenStudy (phi):

Yes, but you can think about the ruler problem. How long would each piece be if you break the ruler at the 3 inch mark?

OpenStudy (anonymous):

IDK that is my problemm

OpenStudy (phi):

how long is a ruler?

OpenStudy (anonymous):

12 inches.

OpenStudy (phi):

if you break it at 3 inches. how long is the short piece?

OpenStudy (anonymous):

i need the answeer by like noww sooo

OpenStudy (phi):

good luck

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