what is the twentieth term of the arithmetic sequence 21, 18, 15, 12, ?
78
...
Mathematics, 20.12.2019 02:31 uehlingt39
what is the twentieth term of the arithmetic sequence 21, 18, 15, 12, ?
78
-39
-36
1
Answers: 1
Mathematics, 21.06.2019 18:00
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Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13
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