markel19
16.10.2020 •
Mathematics
Solve
9x - 19 = 2x - 5
Solved
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Ответ:
Subtract the 2x from both sides and get 7x-19=-5 and then add 19 to both sides and you get 7x=-14 divide by 7 and x=-2
Ответ:
the clubs experimental probibility is 22/80, or 0.275
the diamonds experimental probibility is 24/80, or 0.3
the frequency of hearts is 0.2 of 80, or 16.
that leaves the 18 for the frequency of spades, and the 0.225 for the experimental probibility.