Ответ:
95,25
Объяснение:
b7=0.75
q=0.5
bn=b1×q^(n-1)
b7=b1×q^6
0.75=b1×0.015625
b1=48
Sn=b1×(q^n-1)/q-1
S7=48×(0.5^7-1)/0.5-1
S7=95.25
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Answers & Comments
Ответ:
95,25
Объяснение:
b7=0.75
q=0.5
bn=b1×q^(n-1)
b7=b1×q^6
0.75=b1×0.015625
b1=48
Sn=b1×(q^n-1)/q-1
S7=48×(0.5^7-1)/0.5-1
S7=95.25