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Questions (3)
U3 L10 Connections 7th grade
4. What explains why the sequence 216, 12, 2/3, ... is arithmetic or geometric. A. The sequence is
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The sum of the present ages of George and his father is 60 years. In 6 years his father will be twice as old as George will be.
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Joan is 5 years older than Ellen, and 3 years ago the sum of their ages was 17 years. In how many years will Joan be 21 years
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Answers (2)
I think it is c
10 P 4 = (10*9*8*7*6!)/(6!) 10 P 4 = 10*9*8*7 10 P 4 = 5040