ira51
09.06.2020 •
Mathematics
What is the sum of the arithmetic sequence 149, 135, 121, ..., if there are 28 terms? (1 point)
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Ответ:
330:550
Step-by-step explanation:
divide 880 to (3+5=8) so 880/8=110
3:5 will be 3*110: 5*110 so is 330: 550