I have just one more for ya. I hate algebra, but I am doing my best to learn just enough of it to pass. Thanks! Factor by groupi
2 answers:
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Answer:
Step-by-step explanation:
The red graph is the blue graph translated 1 unit down, so the answer is A.
Since there are no restrictions on the three-digit numbers (for example no repetitions), we actually don't care about the values of the digits. All we need to know is that there are
possible digits, and that we have to extract a triplet from here.
For problems like this we have the binomial coefficient, defined as
This number tells you how many subsets of k elements you can extract from a set of n elements. So, in your case, you want to compute