Sgstudent

Name:
Nixon
School:
Bukit Panjang Government High
About:
Favourite song: Bon jovi it's my life
Favourite food: Grilled chicken steak and escargot ;)
Hobby: Flying Radio-Controlled jets/planes/helicopters
Favourite internet meme : "It's now or never"
Favourite Subjects : MATH AND SCIENCE <3
Most Active Subjects
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Questions Asked
Sgstudent:
Group Title
Some workers are to stay in a dormitory with 50 rooms.
How many workers must there be to guarantee that at least one of the rooms will ha…
updated 5 months ago
49 replies
2 Medals
Mathematics
Sgstudent:
Group Title
Check the Vehicle!
Assume that vehicles are going through a two-way traffic intersection. There are three types of vehicles: car, motor b…
updated 10 months ago
47 replies
3 Medals
Mathematics
Sgstudent:
Group Title
3. Write the pseudo-codes for a program to read the time (in seconds) and distance (in kilometers) covered by a moving object, calculate the…
updated one year ago
1 reply
No Medals Yet
Mathematics
Sgstudent:
Group Title
Select the data type to store each of the following items:
(i) Book title -String
…
updated one year ago
No Medals Yet
Mathematics
Sgstudent:
Group Title
Write about some of the disappointments and lost opportunities you experienced in your life.
I wrote about my feeling of disappointment and…
updated one year ago
5 replies
No Medals Yet
Mathematics
Sgstudent:
Group Title
Factorise m^2 - 1/4 n^2 + n - 1 completely
updated one year ago
2 replies
No Medals Yet
Mathematics
Sgstudent:
Group Title
Describe an experiment to demonstrate that a black surface emits more infra red radiation than a polished metal surface at the same tempera…
updated one year ago
No Medals Yet
Mathematics
Sgstudent:
Group Title
Chlorine turns moist blue litmus paper red and gradually becomes colourless. Why?
updated one year ago
1 reply
No Medals Yet
Mathematics
Sgstudent:
Group Title
The equation 2x^2 + x -4 =0 has roots a and beta and the equation x^2 - 2x + p =0 has roots k(a)/beta and k(beta)/a. Find the value of k an…
updated one year ago
3 replies
1 Medal
Mathematics
Sgstudent:
Group Title
A curve has the equation y = (3 cos x - 4 sin x - 1 ) ^2 for 0<_ x <_ pie . Find the coordinates of the maximum pt of the curve in the doma…
updated one year ago
No Medals Yet
Mathematics
Sgstudent:
Group Title
Find the equation of tangent to the curve y = ln x at the point where x = a. Hence, find the equation of tangent to the curve which passes t…
updated one year ago
22 replies
No Medals Yet
Mathematics
Sgstudent:
Group Title
The curve for which dy/dx = 25 - 9/x^2 has a maximum value of -30. Find the equation of the curve.
updated one year ago
21 replies
2 Medals
Mathematics
Sgstudent:
Group Title
(i)Show that cot 75 degree = 2- sqrt 3
(ii) Hence, or otherwise show that cosec^2 75 degree = 4 cot 75 degree
updated one year ago
10 replies
1 Medal
Mathematics
Sgstudent:
Group Title
The equation of a curve is given by y= 1/6 (2x - 9)^6 . a) Find the x coordinate of the point at whi…
updated one year ago
14 replies
2 Medals
Mathematics
Sgstudent:
Group Title
The tangent to the curve y = ax^2 + bx + 2 at (1,1/2) , is parallel to the normal to the curve y = x^2 + 6x + 4 at (-2, -4). Find the values…
updated one year ago
1 reply
No Medals Yet
Mathematics
Sgstudent:
Group Title
The variables x and y are related by the equation y = (1- 2x)^3 . Find the rate of change of x at the instant when x = 0.3, given that y is …
updated one year ago
4 replies
1 Medal
Mathematics
Sgstudent:
Group Title
Given that d/dx 1-2x / square root (2+x^2) = g(x)/ square root (2+x^2)^3 ,find g(x).
updated one year ago
14 replies
2 Medals
Mathematics
Sgstudent:
Group Title
The equation of a curve is given by y = x-1/ 3 + x^2. Given that Dy/dx = -(x-3) (x+1) / ( 3 + x^2) ^2. Determine the range of values of x fo…
updated one year ago
5 replies
1 Medal
Mathematics
Sgstudent:
Group Title
Express x^3 - 2 / 2x^3 - x^2 in partial fractions.
updated one year ago
28 replies
2 Medals
Mathematics
Sgstudent:
Group Title
How to write a good discursive 1 word essay? I was given the question on Rewards. How should i approach it?
updated one year ago
8 replies
No Medals Yet
Mathematics
Sgstudent:
Group Title
Where can i find good sources of decriptive phrases for my english one word essay on rewards?
updated one year ago
No Medals Yet
Mathematics
Sgstudent:
Group Title
Given that 2^(2x+3) x 7^x-2 = 2^3x (49^x), evaluate 14^x
updated one year ago
9 replies
2 Medals
Mathematics
Sgstudent:
Group Title
Find the possible values of b for which the equation 9x^2 + bx + 7 = o has roots which differ by 2.
updated one year ago
18 replies
1 Medal
Mathematics
Sgstudent:
Group Title
Given that one root of the equation x^2 + 2px - q = o is twice the other, express q in terms of p.
updated one year ago
29 replies
3 Medals
Mathematics
Sgstudent:
Group Title
Given that the expansion of (1-3x)^2 (1+px)^2 In ascending powers of x is 1+10x+qx^2+..., calculate values of p and q. Should i use Tr+1 me…
updated 2 years ago
1 reply
No Medals Yet
Mathematics
Sgstudent:
Group Title
David wants to plant trees in his garden in the form of an arc of a circle with a gap of 2 metre between two trees. If the radius of the cir…
updated 2 years ago
No Medals Yet
Mathematics
Sgstudent:
Group Title
An object hangs freely at 20m above the ground. It is released and it falls toward the ground. At height h metre above the ground, the speed…
updated 2 years ago
No Medals Yet
Mathematics
Sgstudent:
Group Title
An object hangs freely at a height 20m above the ground. It is being released and it falls toward the ground, the speed of the object is 10 …
updated 2 years ago
No Medals Yet
Mathematics
Sgstudent:
Group Title
Given that 2^(2x+2)⋅5^(x−1)=8^x⋅5^2x , evaluate 10 power x.
updated 2 years ago
44 replies
1 Medal
Mathematics
Sgstudent:
Group Title
Solve the equation
9^x+1 - 19 x 3^x + 2 = 0
giving 3 significant figures in your answer where appropriate.
updated 2 years ago
13 replies
1 Medal
Mathematics
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