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# math help last one!!?

okay...there are rectangular boxes in a top to bottom row...it goes one box...then two...then three...and the question is...write the rule for this pattern...what the hell does that mean??

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- 1 decade agoFavorite Answer
I assume they are looking for an equation?

y = x

where y is the row and x is the number of boxes...

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- Anonymous1 decade ago
Here's what the hell it means.

Visualize a pyrmaid of boxes, where each row has one less box than the row below it. the top row has 1 box, the next row has 2 boxes, the third row has 3 boxes, etc.

The "rule" you are looking for is, How many boxes will there be in a pyramid with n rows in it?

I don';t have time to explain it. It's n(n+1)/2. Someone else can give you the details.

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- 1 decade ago
It probably means you have to right what the pattern is which is adding a box.

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