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OpenStudy (anonymous):
medal If the 7th term of a sequence is 33 and the 10th term is 21, find the common difference d.
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OpenStudy (anonymous):
-4 4 3 -3
OpenStudy (ccswims):
Well we will need to find the rate of change, so first do \[10 - 7\] = 4
OpenStudy (ccswims):
And \[21 - 33\]
OpenStudy (ccswims):
Thats -12 -12/4 = -3
OpenStudy (ccswims):
So the answer is -3
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OpenStudy (anonymous):
thank you for explaning
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