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Mathematics 16 Online
OpenStudy (anonymous):

What is the missing number in the fourth triomino? A. –10 B. –5 C. 2 D. 10

OpenStudy (anonymous):

OpenStudy (anonymous):

well,for each ones: |dw:1407874325896:dw|

OpenStudy (anonymous):

F = ab - c

OpenStudy (anonymous):

got it?

OpenStudy (anonymous):

for example:(-2)(4) - 5 = -8 - 5 = - 13

OpenStudy (anonymous):

or (7x1) - (-2) = 9

OpenStudy (anonymous):

and now (3)(-2) - 4 = -6 - 4 = -10

OpenStudy (anonymous):

made sense?

OpenStudy (anonymous):

yah

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