Answer:
Step-by-step explanation:
Your Welcome!
If you're trying to make an inequality, it would be:
30 - 4x > -10.
Answer:
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Step-by-step explanation:
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Note that there's a strict order here -> 2 close friends, then 1 non-close friend.
So, picking in order:
probability of picking the first close friend: 4/10
probability of picking the second close friend: 3/9
probability of picking the first non-close friend: 6/8
So, we get 4/10 * 3/9 * 6/8 = 1/10.
You would just subtract/add like you normally would from left to right because its a subtract and add operation.
Hope that helps :)
