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Nairaland Forum / Nairaland / General / Education / BRAIN REFRESHING (2405 Views)
Re: BRAIN REFRESHING by ayox1(m): 2:38pm On Dec 31, 2016 |
kolad59: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: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: |
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 |
Re: BRAIN REFRESHING by TEMITOLU: 12:00am On Jan 02, 2017 |
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: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: 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:Amen! GOD bless you too. |
Re: BRAIN REFRESHING by TEMITOLU: 9:58pm On Jan 02, 2017 |
PatEinstEin: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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