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Mathematics, 10.02.2021 06:10 lillovecandy
1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1 +1++1+1+1+1+1+11+1+1++11+1+1++1+1+1 +1+1+1+11+1+1+1+1+1+1+1+1+1+1-1-1+1 -1+1+1+1+1+1+1+1-+1+1+1+1+1+1+1+1+1 +1+1+1+1+1+1+1+11+1+1+1+1+1+1++1+1+ 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1 +1+1+1++1+1+1+1+1+1+1+11+1+1+1+1++1 1+1++1+1+1++1+1+1+1+1​
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Mathematics, 21.06.2019 23:00
Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?
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Mathematics, 22.06.2019 01:00
Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]
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