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Nairaland Forum / Nairaland / General / Education / Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve (1207 Views)
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Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by miracle4(m): 11:13pm On Apr 07, 2013 |
Many submitted their answers via email & contact form, others via facebook message and page but they were all wrong which actually prompted me to bring it here before providing the solution for them . here is the simple test make t the subject of the formula in s=ut+(1/2)at2 If you are smart enough provide the answer (show full working) before 12am today and win yourself a recharge card hope to get smart students work this out this is the original link for the question |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by secnelly: 11:22pm On Apr 07, 2013 |
miracle4: Many submitted their answers via email & contact form, others via facebook message and page but they were all wrong which actually prompted me to bring it here before providing the solution for them . U just use style tell us say na mediocres dey patronise ur site! Haba! Y spread ur dirty linens outside? |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by ayobase(m): 11:35pm On Apr 07, 2013 |
S=ut+(1/2)at^2 Since t=d/s Therefore, S=ut+(1/2)a(d^2/s^2) S=ut+ad^2/2s^2 t=(S-ad^2/2s^2)/u SIMPLE! |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by travelxpat(m): 11:36pm On Apr 07, 2013 |
Hmmm,who told you dis is even maths,dis is arithmetics... Well here is ur answer There are two possible values of T T=2u±squareroot[4[u^2-2a]/2a If u want the workings just send me your email address.space here is too small to derive all dat.... Simply start from the derivation of almighty formular |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by operalimi: 11:39pm On Apr 07, 2013 |
Pleaaase gve me ur email adres then i wl show u d ful workn, av dne it b4 Wich i got d ansa corectly,, al u nid to du is to change it to .:........ |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by operalimi: 11:42pm On Apr 07, 2013 |
ya travel expert u ar n d trak u make t subject of d formular quadratikaly, Amean usn quadratic almyty formula afta transfmhn it to quadratic equation |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by travelxpat(m): 11:43pm On Apr 07, 2013 |
@ayobase, d op said maths not physics...d variables do not rep anything but unknown digits. |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by ayobase(m): 11:46pm On Apr 07, 2013 |
travelxpat: Hmmm,who told you dis is even maths,dis is arithmetics... Send to ajodbase@gmail.com Thanks! |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by travelxpat(m): 11:55pm On Apr 07, 2013 |
@ayobase Check this url for the tips http://www.mathsisfun.com/algebra/quadratic-equation-derivation.html Firstly re arrange the variables and equate all to zero ,this way at^2+2ut-2s= 0 |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by travelxpat(m): 11:57pm On Apr 07, 2013 |
T= - 2u±squareroot[4[u^2-2a]/2a I forgot d minus sign |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by ayobase(m): 12:02am On Apr 08, 2013 |
travelxpat: @ayobase Kk....its better now! Thanks! 1 Like |
Re: Simple Mathematics Test That The Whole Of My Site Readers Couldn't Solve by Adurangba(f): 7:24am On Apr 08, 2013 |
S = ut + ½at² Set the equation equal to 0 and solve for t. This gives: ½at² + ut - S = 0 Comparing this to a_1*t² + bt + c = 0 form, we have a_1 = ½a, b = u, c = -S (Note that these are considered constants as we are solving for the variable 't') The Quadratic Formula gives: t = [ -b ± √(b² - 4*a_1*c) ] / 2a_1 ==> t = { -u ± √[u² - 4(½a)(-S)] } / [ 2(½a) ] ==> t = [ -u ± √(u² + 2aS) ] / a |
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