Answer: 2730
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Explanation:
A shortcut way is to start at 15 and count down til you reach three values. So that means you'll have 15, 14, 13 which multiplies out to...
15*14*13 = 2730
Or you can use the nPr formula, with n = 15 and r = 2, to get the same answer
nPr = (n!)/((n-r)!)
15P3 = (15!)/((15-3)!)
15P3 = (15!)/(12!)
15P3 = (15*14*13*12!)/(12!)
15P3 = 15*14*13
15P3 = 2730
Answer:hi
Step-by-step explanation:plz like and brainliest i am noob I really need this plz
Answer:
(B) x=\sqrt{30}
Step-by-step explanation:
Answer: it’s 55/100 percent
