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# UMEUGO EMMANUEL EBUKA # UMEUGO EMMANUEL EBUKA

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Articles : 26
Since : 23/02/2018
Category : Entrepreneurship

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SIMULTANEOUS EQUATION1. Solve the following simultaneous equation2x + 5y = 6½5x – 2y = 9(A)2, ½ (B)2, 3 (C) ½ ,3 (D)-2, ½Solution Using Casio fx-991MS[ON] [MODE] [MODE] [MODE]   contd2x + 5y = 6½ a1 + b1 = c15x – 2y = 9 a2 + b2 = C2Where a1=2, b1=5, c1=6½, a2=5, b2=-2 c2=9Contd  [=]  [=]  [a b /c]  [a b /c]  [=] [(-)]
INDICES (1). Simplify 125^-1/3 × 49^-1/2 × 10^0 (A) 350 (B) 35 (C) 1/ 35 (D) 1 /350 Solution :-Using “CASIO fx -991MS /570MS ” When raising a negative fraction to the power put brackets to avoid errors when using the calculator i.e. 125(-1/3) except it is a positive whole number [ON]    [^] [(] [(-)]  [a b /c]  [)] [X]  
FREE BROWSING CHEAT – HOW TO BROWSE FOR FREE WITH YOUR GLO SIM IN NIGERIA USING ANONYTUN First of all download the Anonytun apk from Playstore or Here Enjoy free unlimited browsing and downloading with AnonyTun unlimited servers. This works with 0.0 airtime balance and you don’t need to have any data active on your sim. Requirements for Glo Fre
(1). Evaluate 5P3 (a). 60 (b). 30 (c). 20 Solution Using Casio fx991es [ON]  [SHIFT] [nPr]  [=] Therefore Option A is correct. (2). Evaluate 5P3 + 6P2 (a). 90 (b). 40 (c). 20 Solution Use Casio fx991es [ON]  [SHIFT] [nPr]  [+]  [SHIFT] [nPr]  [=] Therefore Option A is correct. (3). If nP2 = 30 find n (a). 6 (b). 3 (c). 2 In this c
GROUPED DATA (1). The table shows the weekly profit in naira from a mini market Weekly(profit) 1, 10, 11, 20, 21, 30, 31, 40, 41, 50, 51, 60 - - - - - - - - - - - - frequency 6, 6, 12, 11, 10, 5 Find the mean (x) (A) 30.1 (B)31.0 (C) 31.1 (D) 31.2 Find the variance (A) 220.64 (B) 220.62 (C) 198.64 (D) 221.64 Find the standard deviation (A) 14.85 (B
What is Dent App Dent token is a worldwide digital currency for mobile internet data, it allows “Data Sharing Economy” which means that the Dent users can buy, sell and donate their mobile internet data, irrespective of the user’s country or network provider through the Dent app. Currently, the Dent company is giving away free internet data t
(1). Simplify 3√45 – 12√5 + 16√20(A) 29√5 (B) 14√15 (C) 12√15 (D) 11√5Solution:-Using CASIO fx-991MS calculator[ON]  [√]   [-]   [√]  [+]   [√]   [=] (64.84597135)If option A,B,C,D gives 64.84597135 it is correct but if it doesn’t it is wrongChecking option (A) 29√5[AC]   [√]  [=] (
OR GATE (1). Find the output of the OR gate when the inputs are A= 1100 B= 1010 (a). 1110 (b). 0101 (c). 10011 Solution Using Casio fx991es [ON] [MODE]  [LOG]     [SHIFT]       [=] Therefore Option A is correct. AND GATE (2). Find the output of the AND GATE when the inputs are A= 1100 B= 1010 (a). 1000 (b). 1100 (c)
Addition of Complex Number (1). Simplify the complex number (7 + 5i) + (3 - 2i) (a). 10 + 3i (b). 9 + 5i (c). 6 + 3i Solution Using Casio fx991es [ON] [MODE]  [(]  [+]  [i] [)] [+] [(]  [-]  [i] [=] Therefore Option A is correct. (2). Express in a+bi form the complex number Z1 + Z2, If Z1 = (7 + 2i) and Z2 = (3 - 2i) (a). 10 (b). 5 (
(1). Solve the equation 9^8 ÷ 9^5 (a). 9^3 (b). 9^2 (c). 9^5 (NB: ^ is raise to power, ◼/◻ is fraction symbol, × is multiplication sign ) Solution Using Casio fx991es [ON]  [HEX]  [➡] [÷]  [HEX]  [=] Answer gives 729 and if any option gives 729 it is correct. Checking Option A Solution Using Casio fx991es [ON]  [HEX]  [=]