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Mathematics A indecision One A computer virus has started to defile computers around the humanity. The virus started from alone one computer and is bedspread at a judge of 28% per hour, if the virus ashes uninterrupted. a) How legion(predicate) computers exit it harbor miscarry by the end of the mean solar twenty-four hour period? P = 1i = 0.28or 28% t =24 hours FV= P (1+i) t FV = 1 (1+ 0.28) 24 FV= 1 (1.28) 24 FV? 378.14 base on the above, the virus would infect about 378 computers by the end of the day. b) How some(prenominal) will it have give by the end of the routine day? P = 1i = 0.28 or 28% t = 2x14 hours FV= P (1+i) t FV= 1 (1+ 0.28) 2x24 FV = 1 (1.28) 48 FV ? 1 x 139 984.05 FV ? 139 984.05 Based on the record above, by the end of the second day the virus would have give approximately 139 984 computers. c) How long will it gather up to infect the worlds 5000 000 000 computers? FV = 5 000 000 000P = 1i = 0.28or 28% t =? FV = P (1+i)t 5 000 000 000 = 1 (1+0.28)t 5 000 000 000 = 1 (1.28)t 5 000 000 000 ÷ 1 = (1.28)t (1.28)10? 11.8059 (1.28)50? 229349 (1.28)80? 377 396 242.5 (1.28)85? 129 672 3615 (1.28)90? 4 455 508 416 (1.28)91? 5 703 050 772 (1.28)90.

25? 4 739 142 425 (1.28)90.47? 5 003 638 829 90.47 ÷ 24 =3.769 days 0.769x24 ?18.46 hours Therefore, based on the march above it would take approximately 3 days 18 hours and 46 legal proceeding to infect the 5 000 000 000 computers in the world. Question Two Aditi was born(p) in 1984 and since he was 20 he has been paying $one hundred eighty per month into a superannuation investment company and will continue to pay this comparable core until he retires. He expects to receive $ 1 vitamin C 000 when he retires in 2044. This payout is the amount of money Aditi expects to live of until he dies. His fair hail of vivification is $ 600 per week. Assume that his needs ar not anticipate to exchange in the future years. The average lifespan of an Australian manlike is 79 years. If inflation...If you want to raise a in honest essay, order it on our website: Orderessay

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