smarcelle
29.11.2021 •
Mathematics
What value of (n) in the expression below would make it a perfect square trinomial?
x2 - 14x + n.
А: n = 49
B: n= - 49
C: n = 7
D: n = -7
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Ответ:
Step-by-step explanation:
Given that the probability of a written event is:
P =
Guessing the combination by writing 5 different numbers, from 0 to 999, on a piece of paper. There are therefore 5 different possible outcomes to this.
However, there is only one correct combination written on the paper which is actually the only favorable outcome.
Probability of event = =
Therefore, the probability that the correct combination is written on the paper is .