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Nairaland Forum / Nairaland / General / Education / Can Someone Help Me With This In Within The Next 12 Minutes (816 Views)
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Can Someone Help Me With This In Within The Next 12 Minutes by Nobody: 2:41am On Sep 29, 2020 |
Please
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Re: Can Someone Help Me With This In Within The Next 12 Minutes by femi4: 7:50am On Sep 29, 2020 |
No 2. Using a+(n-1)d 3+(11-1)d = 43 3+ 10d = 43 10d = 40 d =4 2b. Sum of the first 20 terms without the even No's positions 3+11+19+27+35+43+51+59+67+75 =390 Alternatively Using S = n/2 (a+l) a = 3 New d = 8 New n =10 l = 3+(10-1)8 l = 3+72= 75 Hence S = 10/2 (3+75) = 5 * 78 = 390 No3 a. Fraction of the journey left after he got off the train = 1 - 3/5 = 2/5 b. Fraction of the journey by bus = 2/3 * 2/5 = 4/15 c. Distance walked = 1-(3/5 + 4/15) = 2/15 Ratio of dist by train to dist walked 3/5 : 2/15= 9/2 9:2 |
Re: Can Someone Help Me With This In Within The Next 12 Minutes by femi4: 8:42am On Sep 29, 2020 |
No 1
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Re: Can Someone Help Me With This In Within The Next 12 Minutes by Freestainworld(m): 2:35pm On Sep 29, 2020 |
even the teacher that set the question can not solve it. |
Re: Can Someone Help Me With This In Within The Next 12 Minutes by Nobody: 10:53am On Sep 30, 2020 |
femi4: Special appreciation |
Re: Can Someone Help Me With This In Within The Next 12 Minutes by femi4: 10:55am On Sep 30, 2020 |
mikezuruki:you're welcome |
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