Mathematics, 22.01.2021 19:30 john36020
21. Write an explicit formula for the sequence 7, 2, -3, -8, -13,... Then find a 4-
a. a. =- 5n+ 12: -53
c. an = - 5n + 12: - 58
b. a = - 5n + 7: 58
d. a = - 5n +7; 63
Answers: 2
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Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315
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21. Write an explicit formula for the sequence 7, 2, -3, -8, -13,... Then find a 4-
a. a. =- 5n+ 12...
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