288
Mathematics, 18.03.2021 01:50 harmonypowers7656
Find the sum of the first 9 terms of an arithmetic sequence where a1
= 8 and a9= 56?
288
64
72
486
Answers: 1
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Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)
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Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm
Answers: 1
Find the sum of the first 9 terms of an arithmetic sequence where a1
= 8 and a9= 56?
288
288
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