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Mathematics 52 Online
OpenStudy (anonymous):

part b in the pic yo! although im about to get help off laplace too... so for kicks

OpenStudy (anonymous):

OpenStudy (anonymous):

determinant formula = a.d-b.c where a,b,c,d are parts in the matrix reading left to right row by row for a 2x2 matrix

OpenStudy (anonymous):

hey sorry i got disconnected

OpenStudy (anonymous):

i was beginning to wonder

OpenStudy (anonymous):

can you send me the retricedf again

OpenStudy (anonymous):

ok so do you get AX = B, so -x + 2y = 2, x - 2y = 1

OpenStudy (anonymous):

yeah i can get that far

OpenStudy (anonymous):

hm i guess you got disconnected again, if you make it back im still in twiddle

OpenStudy (anonymous):

do you have twiddla? link

OpenStudy (anonymous):

thats an idea

OpenStudy (anonymous):

http://www.twiddla.com/545596

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