bri24241
bri24241
30-12-2016
Mathematics
contestada
i don't understand, please help
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salonig605
salonig605
30-12-2016
Answer is -5 .common difference means 12-7=7-5 and so on
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bcalle
bcalle
30-12-2016
Subtract from the right to the left -8 - -3 = -5
-3 - 2= -5
2 -7= -5
7 -12= -5
The common difference is -5
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