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BRAIN REFRESHING - Education (2) - Nairaland

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Re: BRAIN REFRESHING by ayox1(m): 2:38pm On Dec 31, 2016
kolad59:
airtel card, cos am unable to send you email message
Also send email message to him through nairanland. since we don't know his personal email address.
Re: BRAIN REFRESHING by kolad59: 4:30pm On Dec 31, 2016
When i click the email address on nairaland it show am unable to send him message
Re: BRAIN REFRESHING by PatEinstEin(m): 7:53pm On Dec 31, 2016
TEMITOLU:
COMMENTS ON THE LAST QUIZ (MODULE 1 TEST 5)

The following participants - PatEinstEin, Olutayojr, Ayox1 and Kolad got 100% respectively in the last quiz while Iyoha got 75%. Thus, award/incentive will be given to PatEinstEin, Olutayojr, Ayox1 and Kolad.

That said, only Kolad showed proper working steps on how he arrived at the answers to the quiz questions. The rest of you did not.

NOTE:
It is very necessary to show the working steps on how you arrive at the answer(s) to each of the quiz questions. though these must be short and concise.

From my own judgement, the Overall Winner Of The Quiz (Module 1 Test 5) is conferred to Kolad. I hope you all know why.

@PatEinstEin, Olutayojr, Ayox1 and Kolad: Kindly send me via e-mail the type of network you use (GLO/MTN/ETISALAT/AIRTEL).

Wishing you all a glorious, prosperous new year in advance.
It wasn't specified at first as a rule that workings are required, it was only stated that the worjings/solution will be poated by you, not the participants
The weekly quiz will be in modules and test series, with each test having 4 questions. Quiz questions will be posted at the beginning of a week while solutions & answers will be posted at the end of the week.
There was actually no rule to decide the overall winner, so I thought it was first to post the correct answers wins
Thanks anyway...
Airtel...
Re: BRAIN REFRESHING by PatEinstEin(m): 8:11pm On Dec 31, 2016
PatEinstEin:

It wasn't specified at first as a rule that workings are required, it was only stated that the workings/solution will be posted by you, not the participants

There was actually no rule to decide the overall winner, so I thought it was first to post the correct answer wins
Thanks anyway...
Airtel...
Re: BRAIN REFRESHING by PatEinstEin(m): 8:16pm On Dec 31, 2016
Happy new year in advance y'all
Re: BRAIN REFRESHING by TEMITOLU: 11:57pm On Jan 01, 2017
kolad59:
Sir, am unable to send you email

Kindly check your mail box.

Compliments of the season.
Re: BRAIN REFRESHING by TEMITOLU: 12:00am On Jan 02, 2017
ayox1:
MTN. Thank you.

Kindly check your mailbox.

Compliments of the season.
Re: BRAIN REFRESHING by TEMITOLU: 12:05am On Jan 02, 2017
[quote author=PatEinstEin post=52426837][/quote]

@PatEinstEin:
Thanks for your observation. Initially, I presumed every participant should know that he/she has to show the working steps. Supplying only answers does not prove that a participant solves the problem on his own, though this may not be valid as it sounds.

Anyway, your observation is well recognized and noted.

Kindly send me a mail just as Ayox1 and Kolad did. Their incentive has respectively been sent to them.

Compliments of the season!
Re: BRAIN REFRESHING by ayox1(m): 12:06am On Jan 02, 2017
TEMITOLU:

Kindly check your mailbox.
Compliments of the season.
Thanks. God bless you. amen.
Re: BRAIN REFRESHING by TEMITOLU: 12:11am On Jan 02, 2017
SOLUTIONS AND ANSWERS TO THE LAST QUIZ (MODULE 1 TEST 5)

(1) The decimal part of the logarithm of a number is called MANTISSA.

(2) 3^(x - 3) = 9^2x
This could be rewritten as
3^(x - 3) = (3^2)^2x
3^(x - 3) = 3^4x
Equating equal base gives
x - 3 = 4x
Collecting like terms gives
x - 4x = 3
-3x = 3
x = 3/-3
x = -1

(3) log (2x + 4) - log (3x - 1) = 1
Applying the law of logarithm
log [(2x + 4) / (3x - 1)] = 1
Since the logarithm is in base 10, we shall have
(2x + 4) / (3x - 1) = 10^1
(2x + 4) / (3x - 1) = 10
Cross multiplying gives
2x + 4 = 10.(3x - 1)
2x + 4 = 30x - 10
Collecting like terms gives
2x - 30x = -10 - 4
-28x = -14
x = -14/-28
x = 1/2

(4) The nth term of an Arithmetic Progression (A.P.) is given as
Un = a + (n - 1)d
where
Un is the nth term or the last term of the progression,
a is the first term,
n is the number of terms, and
d is the common difference.
Thus, the third term
U3 = a + (3 - 1)d = a + 2d = 16 --------- (i)
The sixth term,
U6 = a + (6 - 1)d = a + 5d = 34 -------- (ii)
Subtracting equation (i) from equation (ii) gives
3d = 18
d = 18/3
d = 6
Hence, the common difference is 6.

THAT'S JUST IT!!! WISHING YOU THE VERY BEST NEXT TIME.
Re: BRAIN REFRESHING by TEMITOLU: 12:13am On Jan 02, 2017
ayox1:
Thanks. God bless you. amen.

Amen! GOD bless you too.
Re: BRAIN REFRESHING by kolad59: 4:01pm On Jan 02, 2017
Thanks,God bless you
Re: BRAIN REFRESHING by PatEinstEin(m): 9:48pm On Jan 02, 2017
Thanks for the prize

Re: BRAIN REFRESHING by TEMITOLU: 9:54pm On Jan 02, 2017
kolad59:
Thanks,God bless you
Amen! GOD bless you too.
Re: BRAIN REFRESHING by TEMITOLU: 9:58pm On Jan 02, 2017
PatEinstEin:
Thanks for the prize
Don't mention. Remain blessed.
Re: BRAIN REFRESHING by Olutayojr: 6:30pm On Jan 08, 2017
Airtel card thanks
Re: BRAIN REFRESHING by Olutayojr: 6:31pm On Jan 08, 2017
Unable to send to your mail box
Re: BRAIN REFRESHING by TEMITOLU: 5:08pm On Oct 25, 2019
To all Maths lovers, there are free courses already put up online. Check the link below.
https://brain-exercise.teachable.com/purchase?product_id=1420229

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