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Nairaland Forum / Nairaland / General / Education / Nairaland Mathematics Clinic (493969 Views)
Mathematics Clinic / 2015 Cowbell Mathematics Champion, Akinkuowo Honoured By School. / Lead City University Clinic Welcomes First Ever Baby Since 10 Years Of Opening (2) (3) (4)
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Re: Nairaland Mathematics Clinic by Mechanics96(m): 9:08pm On Oct 05, 2017 |
aceman88: |
Re: Nairaland Mathematics Clinic by Iamcyborg(f): 7:04am On Oct 06, 2017 |
Mechanics96:thank u |
Re: Nairaland Mathematics Clinic by Nobody: 9:55am On Oct 06, 2017 |
[quote author=Iamcyb org post=61150594]thank u[/quot e] It is not correct change the second eqtn |
Re: Nairaland Mathematics Clinic by Hadampson(m): 10:07am On Oct 06, 2017 |
Hadampson:Help please |
Re: Nairaland Mathematics Clinic by Mechanics96(m): 11:31am On Oct 06, 2017 |
Hadampson:I'm on a journey bro, I"ll solve your questions tomorrow, God's willing |
Re: Nairaland Mathematics Clinic by Mechanics96(m): 5:45pm On Oct 08, 2017 |
Hadampson:
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Re: Nairaland Mathematics Clinic by Mechanics96(m): 6:23pm On Oct 08, 2017 |
2.
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Re: Nairaland Mathematics Clinic by Mechanics96(m): 7:28pm On Oct 08, 2017 |
Pls provide the diagram for the third question |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 6:25pm On Oct 13, 2017 |
cyndylove64:chat me me with this number. .to add u. 07064396712 |
Re: Nairaland Mathematics Clinic by EngrBello(m): 10:48pm On Oct 14, 2017 |
If the maximum value of y = 1+ hx -3x^2 is 13, find h |
Re: Nairaland Mathematics Clinic by Nobody: 4:05am On Oct 15, 2017 |
EngrBello: the maximum value occurs when the derivative (dy/dx=0) hence differentiating we have h-6x=0; => x=h/6. so substitute x into the first equation, we get ymax=1+h(h/6)-3(h/6)^2= 1+(h)^2/6-(h)^2/12=1+(h)^2/12; => ymax=1+(h)^2/12; but we were told from the question that ymax=13; 13=1+h^2/12=> 12=h^2/12. Hence h^2=144, which implies h =+12 or -12. 1 Like |
Re: Nairaland Mathematics Clinic by EngrBello(m): 5:37pm On Oct 15, 2017 |
masperano:Thanks |
Re: Nairaland Mathematics Clinic by EngrBello(m): 8:31am On Oct 16, 2017 |
If y = 3cos4x , dy/dx equals |
Re: Nairaland Mathematics Clinic by efficiencie(m): 11:02am On Oct 16, 2017 |
EngrBello: let u=4x and hence y=3cosu du/dx=4 and dy/du=-3sinu=-3sin4x but dy/dx=dy/du * du/dx dy/dx=4 * (-3sin4x) dy/dx = -12sin4x 1 Like |
Re: Nairaland Mathematics Clinic by EngrBello(m): 11:24am On Oct 16, 2017 |
efficiencie: I got that as well....but the answer said; 24sin4x |
Re: Nairaland Mathematics Clinic by EngrBello(m): 9:50am On Oct 18, 2017 |
A bag of rice feeds 15 students for 7days.How long would the same bag feed 10 students |
Re: Nairaland Mathematics Clinic by efficiencie(m): 3:04pm On Oct 18, 2017 |
EngrBello: 4 days and 16minutes |
Re: Nairaland Mathematics Clinic by ratioxyz: 6:25am On Oct 19, 2017 |
EngrBello:It's indirect proportion so the right answer is (15 x 7)/10 =10. 5days = 10days, 12 hours 1 Like |
Re: Nairaland Mathematics Clinic by LordeCalifornia: 8:23pm On Nov 08, 2017 |
efficiencie: Just a tip to answering maths and physics questions: There are some questions that we may not really be able to solve, but we would be able to predict the answers. This question is one of them. Without solving, one would automatically know the answer to the question above would be greater than 7days. Because, If a bag can feed 15 students for 7days, Then that same bag would logically feed a 'lesser number of 10 students' for a period of more than 7days. This would be highly useful to jambites. It's one of the tips to scoring high in UTME ![]() 2 Likes |
Re: Nairaland Mathematics Clinic by Nobody: 9:11am On Nov 10, 2017 |
There still no valid answer to the simultaneous equations below without manipulation... X + Y = 5 X^X + Y^Y = 31 please, anybody with the right solution should help a brother. |
Re: Nairaland Mathematics Clinic by chike1990: 4:42pm On Nov 11, 2017 |
Hi my fellow Mathematicians, we have a new facebook page that teaches secondary school Mathematics free. Here is the link https://www.facebook.com/lagosmathhometutors/. Please like our page and share the good news with a teacher or student who might need it |
Re: Nairaland Mathematics Clinic by Xsem(m): 11:03am On Nov 14, 2017 |
A boy lost 1/4 of his cards in a game of cards then won 6 more cards.if he had 7 cards less when he finished playing than when he started, how many did he start with. Please help with this |
Re: Nairaland Mathematics Clinic by DrinkWater10: 3:15am On Nov 15, 2017 |
Hello house. Sorry for derailing but I have a small problem in Chemistry that needs urgent attention. Make up 50ml of HCL concentration at 25ppm from 100ppm thanks. |
Re: Nairaland Mathematics Clinic by Mechanics96(m): 11:54am On Nov 15, 2017 |
Xsem: He must have started with 52 cards; Let the no of cards he started with be x x- 1/4x +6 = x-7 4x-x+24= 4x-28 x=24+28 x=52 |
Re: Nairaland Mathematics Clinic by Nezy4Real(m): 12:48pm On Nov 15, 2017 |
[quote author=DrinkWater10 post=62387873]Hello house. Sorry for derailing but I have a small problem in Chemistry that needs urgent attention. Make up 50ml of HCL concentration at 25ppm from 100ppm thanks.[/quote Here is the answer
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Re: Nairaland Mathematics Clinic by farouklawal4(m): 4:07pm On Nov 15, 2017 |
Pls is dere whatsapp group for dis? |
Re: Nairaland Mathematics Clinic by Xsem(m): 7:11pm On Nov 15, 2017 |
Mechanics96: ![]() |
Re: Nairaland Mathematics Clinic by DrinkWater10: 9:14pm On Nov 15, 2017 |
[quote author=Nezy4Real post=62399606][/quote]
thanks alot bro |
Re: Nairaland Mathematics Clinic by chike1990: 7:30pm On Nov 19, 2017 |
Xsem:Here is the solution Click on this link https://www.facebook.com/lagosmathhometutors/ to watch solutions to secondary school math problems for free on Facebook. We live to solve Math problems. And don’t forget to Like our page and share it with your friends and colleagues who might need it. Please spread our good work
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Re: Nairaland Mathematics Clinic by DrinkWater10: 2:15am On Nov 20, 2017 |
[quote author=Nezy4Real post=62399606][/quote] Hello bro I'm back here again. I'm having problem computing the report for the precipitation titration I carried out. Looks like that number 1 should have been: moles of AgNO3 in volume of WATER used in titration,
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