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Mathematics 7 Online
OpenStudy (anonymous):

Three friends recorded the amount of time each spent exercising and sleeping over the course of a week. Sleep (hours) Exercise (hours) Maria 56 7 Validamir 60 5 Lee 63 10 a. Put the information into two matrices. Label each matrix. b. Find the difference between total hours sleeping and exercising for each person.

OpenStudy (anonymous):

@zordoloom

OpenStudy (anonymous):

@kropot72

OpenStudy (anonymous):

Make one matrix "sleep hours" and one "exercise hours". (Both will be 3 x 1 matrices). Then the difference for part b is just subtraction for each person.

OpenStudy (anonymous):

wait a min what i read this then was thinging about about something else now i cant remember what i was doing :(

OpenStudy (anonymous):

SLEEP | 56 | | 60 | | 63 | and the same for EXERCISE. Then subtract for part b. At least I think...

OpenStudy (anonymous):

what am i subtracting

OpenStudy (anonymous):

Do you still need help?

OpenStudy (anonymous):

|dw:1352183651852:dw|

OpenStudy (anonymous):

|dw:1352183831359:dw|

OpenStudy (anonymous):

o okay wow im so out of it right now

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