D) 34/5 because 6(5) = 30 30+4=34 , so its 34/5
81.56+n-2.55=0
81.56+n=2.55
n=2.55-81.56
n=-79.01
X-10>15.........................................
Answer:
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Step-by-step explanation:
Correct probability : 3/7
To find the correct probability, Noura needs to count ALL of the times she tossed the coin. To find that we just add 15 + 20, which equals 35.
Then to calculate the probability she will get heads is out the number of heads landed over the amount of times the coin was flipped.
15/35
We then simplify this fraction by dividing the top and bottom both by 5.
This leaves us with the answer of 3/7.
