Step-by-step explanation:
taking common (a-b)
so we get the answer
A rectangular picture 6cm by 8cm is enclosed by a frame 1/2cm wide . calculate the area of the frame.
2 answers:
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Answer:
Step-by-step explanation:
total sides = 6
p (rolling a 1) =
p (rolling a 2) =
Note:
or - add
and - multiply
∴
∴
hence, p (rolling a 1 or 2) =