Number of red marbles in bag = r. b = 10-rProbability of first marble being red: r/10Second marble being red: (r-1)/9total probability = 2/15 = (r-1)*r/90r = 4b = 6
Answer:
12 hours
Step-by-step explanation:
15/2=7.5
90/7.5 = 12
Answer:
-10 24/35
Step-by-step explanation:
First you need a common denominator to add or subtract. The common denominator woulb be 35. Now you have -7 20/35-3 14/35 which equals to -10 24/35.
Answer:
Step-by-step explanation:
2)1/2
3)1
4)-1
5) -5
6)5
7)-1/5
8)-2
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