Mathematics, 12.07.2021 09:10, blake2001
Let Tn be the Nth triangular number Qn be the Nth square number and Pn be the Nth pentagonal number.
A) Show that 3Pn = T3n-1
B) Show that Pn-Qn = Tn-1 and hence that P3n-3Pn = Q3n
Answers: 3
Mathematics, 21.06.2019 19:00, cheryljoseph69
Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?
Answers: 3
Mathematics, 21.06.2019 20:30, raemyiajackson1
Find the value of x. give reasons to justify your solutions! h ∈ ig
Answers: 1
Let Tn be the Nth triangular number Qn be the Nth square number and Pn be the Nth pentagonal number....
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