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Re: Nairaland Mathematics Clinic by donPhill(m): 9:15pm On May 21, 2021
sundaylinus:
I need a help fellows, the attached image is a sample of my data to be analyse. I tried worked on weighted mean score which the score is outside right of the table, please help me check if i am on point. And what other statistical analysis could sweet this kind of data?
try Anova or chisquare analysis

1 Like

Re: Nairaland Mathematics Clinic by sundaylinus: 11:58pm On May 21, 2021
donPhill:
try Anova or chisquare analysis
please put me through am not good in statistics
Re: Nairaland Mathematics Clinic by osayi90: 12:06am On May 22, 2021
OlympiadTutor:

Please why are you asking.

Just curious. If you are interested in Pure Mathematics, I strongly recommend that you start to look for a scholarship overseas or try AIMS (African Institute of Mathematical Sciences). I am not sure Uniben is strong in Pure Mathematics (well except for Alufohai, but I guess he is retired now).
Re: Nairaland Mathematics Clinic by sundaylinus: 2:59pm On May 23, 2021
sundaylinus:
I need a help fellows, the attached image is a sample of my data to be analyse. I tried worked on weighted mean score which the score is outside right of the table, please help me check if i am on point. And what other statistical analysis could sweet this kind of data?

please help me gurus in the forum, I can even pay for this.
Re: Nairaland Mathematics Clinic by IQvectors: 10:11pm On May 24, 2021
PLS SOMEONE SHOULD HELP ME WITH THIS . 1,A vehicle makes a journey that forms a triangular shape such that the distance CD=40km, AD=50km, angle ACD=115degrees and angle D=25degrees. FIND THE THIRD SIDE OF THE TRIANGULAR SHAPE.


2.GIven that COS B =squareroot2 times B + Xsquared diveded by 4X, FIND THE POSSIBLE VALUES OF X if B=45.

IF (SIN B)squared = 1 + COS B, zerodegrees less than or equal to B less than or equal to 90degrees.


Sorry for the typing irregularities i used a small phone to type this.
Re: Nairaland Mathematics Clinic by Umartins1(m): 3:40pm On May 25, 2021
IQvectors:
PLS SOMEONE SHOULD HELP ME WITH THIS . 1,A vehicle makes a journey that forms a triangular shape such that the distance CD=40km, AD=50km, angle ACD=115degrees and angle D=25degrees. FIND THE THIRD SIDE OF THE TRIANGULAR SHAPE.


2.GIven that COS B =squareroot2 times B + Xsquared diveded by 4X, FIND THE POSSIBLE VALUES OF X if B=45.

IF (SIN B)squared = 1 + COS B, zerodegrees less than or equal to B less than or equal to 90degrees.


Sorry for the typing irregularities i am used a small phone to type this.
Take pictures
Re: Nairaland Mathematics Clinic by Nature130: 8:25am On Jun 05, 2021
Good morning
Please gurus in the house help me with this

@
Umartins1
OlympiadTutor
Mathefaro

Re: Nairaland Mathematics Clinic by stephenmukaila: 12:13pm On Jun 10, 2021
5 men can complete a job in 4 days. In how many days can 10 men working at 1/4 of the previous rate complete the job?
Re: Nairaland Mathematics Clinic by mathefaro(m): 11:25am On Jun 11, 2021
Nature130:
Good morning
Please gurus in the house help me with this

@
Umarns1
Olymp
Mathefao
Is better you write it out.
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 5:18pm On Jun 11, 2021
stephenmukaila:
5 men can complete a job in 4 days. In how many days can 10 men working at 1/4 of the previous rate complete the job?

5 men do the job in 4 days at the normal rate

So, 1 man will take longer than 5 men, thus:

1 man does the job in 5*4 = 20 days at the normal rate

10 men will take shorter than 1 man, so:

10 men do the job in 20/10 = 2 days at the normal rate

10 men working the job at 1/4 the normal rate will take longer, hence:

10 men do the job in 2*4 = 8 days at 1/4 the normal rate.

2 Likes

Re: Nairaland Mathematics Clinic by Adekaka12345: 8:35am On Jun 13, 2021
I
Re: Nairaland Mathematics Clinic by OlodoGraduate: 5:05pm On Jun 13, 2021
Hello bosses, I need advice here please:
https://www.nairaland.com/6600975/career-advice-needed
Re: Nairaland Mathematics Clinic by cosmos2000(m): 10:58pm On Jun 28, 2021
This question seems to be mysterious

Someone should help

Question 14, show all necessary working

Re: Nairaland Mathematics Clinic by Spartancosta(m): 11:45pm On Jun 28, 2021
cosmos2000:
This question seems to be mysterious
Someone should help
Question 14, show all necessary working
let's just assume the bath size is 10litres hot water =7.5 cold water=5 so we have (10/7.5)+(10/5) 1.3+2=3.3 minutes

1 Like

Re: Nairaland Mathematics Clinic by cosmos2000(m): 5:22am On Jun 29, 2021
Spartancosta:

let's just assume the bath size is 10litres
hot water =7.5
cold water=5
so we have
(10/7.5)+(10/5)
1.3+2=3.3 minutes
Thanks bro
Re: Nairaland Mathematics Clinic by saipn: 2:04pm On Jul 14, 2021
I need help on this solution..workings should be shown.... please help a brother

Re: Nairaland Mathematics Clinic by saipn: 2:07pm On Jul 14, 2021
Same question in case if you can't view the first picture

Re: Nairaland Mathematics Clinic by Florence56: 2:12pm On Jul 14, 2021
Youngsage:

x + y =5 -------- eqn i.
x^x + y^y=31 ----- eqn ii.
From equatns i & ii, take the log of both sides
(xlog^x + ylog^y) = log 31------ eqn iii.
log(x+y) = log 5 ------------ eqn iv.
xylogxy= log 31 -------- eqn v.
log xy = log 5 --------- eqn vi.
(Using elimination method);
xylog5 = log31
xy = log 31/log 5 =6.2 approx. 6.

Recall, from eqn i, x + y = 5.
So x = 6/y or y = 6/x.
Therefore x=2 when y=3.
ans: x=2, and y=3.
I need help with GRE mathematics please.
I will really appreciate If there's anyone who can spare out few minutes per day to answer my questions.
Please help a sister.
Re: Nairaland Mathematics Clinic by OlympiadTutor(m): 2:40pm On Jul 14, 2021
Florence56:
I need help with GRE mathematics please.
I will really appreciate If there's anyone who can spare out few minutes per day to answer my questions.
Please help a sister.
Post it here and we can assist you. If you need a Tutor then you can connect me via 0

1 Like

Re: Nairaland Mathematics Clinic by babyfaceafrica: 9:58am On Jul 15, 2021
Please i need help with a statistics test, who can help?
Re: Nairaland Mathematics Clinic by mathefaro(m): 10:47am On Jul 15, 2021
saipn:
I need help on this solution..workings should be shown.... please help a brother
The original function f(x) was shifted horizontally to the right by 4 units, that gives f(x - 4) and then vertically downwards by 2 units, that gives f(x-4) - 2.
That is,
Given f(x) = x², the new function after the shifts(translation) is
K(x) = f(x-4) - 2 = (x-4)² - 2 = x² - 8x + 16 - 2 = x² - 8x + 14
Re: Nairaland Mathematics Clinic by babyfaceafrica: 11:24am On Jul 15, 2021
mathefaro:
The original function f(x) was shifted horizontally to the right by 4 units, that gives f(x - 4) and then vertically downwards by 2 units, that gives f(x-4) - 2.
That is,
Given f(x) = x², the new function after the shifts(translation) is
K(x) = f(x-4) - 2 = (x-4)² - 2 = x² - 8x + 16 - 2 = x² - 8x + 14
please can you help with this

Re: Nairaland Mathematics Clinic by babyfaceafrica: 11:25am On Jul 15, 2021
Also i need help with this

Re: Nairaland Mathematics Clinic by mathefaro(m): 9:44pm On Jul 15, 2021
babyfaceafrica:
please can you help with this
I'm sorry, it's been a while since I did things like these.
Re: Nairaland Mathematics Clinic by saipn: 12:32am On Jul 16, 2021
Thank you so much i appreciate
mathefaro:
The original function f(x) was shifted horizontally to the right by 4 units, that gives f(x - 4) and then vertically downwards by 2 units, that gives f(x-4) - 2.
That is,
Given f(x) = x², the new function after the shifts(translation) is
K(x) = f(x-4) - 2 = (x-4)² - 2 = x² - 8x + 16 - 2 = x² - 8x + 14

1 Like

Re: Nairaland Mathematics Clinic by littleguy444: 7:51pm On Jul 16, 2021
Good evening sir i wish to learn differentiation but i couldnt, read many online tips but none has worked for me cos i still cant understand, i hope you can break it down for me from the very basics.
Re: Nairaland Mathematics Clinic by lordbeans(m): 2:53pm On Jul 19, 2021
babyfaceafrica:
please can you help with this


This is straightforward. Just Integrate f(x) from 0 to 1 and then set it to 1. I think you will get c = 2.

The other questions follow immediately. Let me know if you still have problems.
Re: Nairaland Mathematics Clinic by littleguy444: 5:30pm On Jul 20, 2021
littleguy444:
Good evening sir i wish to learn differentiation but i couldnt, read many online tips but none has worked for me cos i still cant understand, i hope you can break it down for me from the very basics.
pls can anybody help me with the above
Re: Nairaland Mathematics Clinic by MeetDx(m): 11:43am On Jul 23, 2021
littleguy444:
pls can anybody help me with the above
Post your problems and we'll put you through. All generals in the house help him abeg.
Re: Nairaland Mathematics Clinic by littleguy444: 8:50pm On Jul 23, 2021
MeetDx:
Post your problems and we'll put you through. All generals in the house help him abeg.
Sir i said i need someone to explain the basics of differentiation and integration to me, cos i tried learning it online but i still cant understand.
Re: Nairaland Mathematics Clinic by MeetDx(m): 12:25pm On Jul 24, 2021
littleguy444:
Sir i said i need someone to explain the basics of differentiation and integration to me, cos i tried learning it online but i still cant understand.
Pm me
Re: Nairaland Mathematics Clinic by MrEDUCATION(m): 2:19pm On Aug 04, 2021
Please, I need explanations to the correct answer.

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