.5 * .5 *.5 = 1/8
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the probability to have head is .5 so the probability of tails 1-.5
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then the first time is head
the second time is head
the third time is tail
so
.5 * .5 *.5 = 1/8
Answer:
Step-by-step explanation:
32
Answer:
It is A
Step-by-step explanation:
a= 3.14 x 7 x 7
3.14 x 49
= 30.772
You need to expand the brackets eg.
(w-9)8 basically means 8 x (w-9) = 8w-72
Answer:
The first one is -2x^2 - 21x + 4, the second one is -15 (I think, not 100% sure), the third one is 4xyz + 3yz + 5x - 4 (also not 100% on this one)
