Nicky156
03.09.2021 •
Mathematics
1/4x + 3 = -7 1/4x = -10 X=-2.5. Is the above equation correct?
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Ответ:
Step-by-step explanation:
Sn = G1 ( 1 -r^n)/1-r
S4 = G1(1+(21/2)^4 ) / 1 + 21/2
172/5 = G1 (1+(21/2)^4 / 1 + 21/2
172/5 = G1 (194497/16/ 23/2 )
172/5 = G1(760)
G1 = 43/900