from a group of 7 people, you randomly select 2 of them. what is the probability that they are the 2 of the oldest people in the
group? give your answer as a fraction.
1 answer:
Answer:
1/21
Step-by-step explanation:
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The answer is I think option B
L = 4(6) + 5(3)
L = 24 + 15
L= 39
Answer:
310
Step-by-step explanation:
100+3=103
103+200=303
303+7=10
Answer:
a_n=125×20^(n-1)
Step-by-step explanation:
a_n=x×y^(n-1)
a_3=50000=x×y^2
a_5=20000000=x×y^4
y^2=20000000/50000=400
y=20;x=125
