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Mathematics 21 Online
OpenStudy (anonymous):

HELP!!!!!!!!!!!!!!!!!

OpenStudy (anonymous):

OpenStudy (dtan5457):

17 or 18?

OpenStudy (anonymous):

?

OpenStudy (dtan5457):

Which question number?

OpenStudy (anonymous):

17

OpenStudy (anonymous):

I need help with both

OpenStudy (dtan5457):

17 looks correct.

OpenStudy (dtan5457):

For number 18. Simply add up the area of each rectangle. The first rectangle's area is 4x(x)

OpenStudy (dtan5457):

2nd is (x/2)(x/2) 3rd is (x-4)8

OpenStudy (dtan5457):

Simplify it out, and add.

OpenStudy (anonymous):

17x (power of two)) / 4 + 8x-4

OpenStudy (anonymous):

I got that

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